# Lycoming TIO-540 series

- Type: Engine model (FAA registry)
- Registry codes: 41569, 42500
- Manufacturer (registry): LYCOMING
- Model: TIO 540 SER
- Engine type: Reciprocating
- Power: 250 hp
- Data sheet: [TCDS E14EA](https://openairdocs.org/tcds/E14EA) (OpenAirDocs)
- Holder: Lycoming Engines
- Installed in: 191 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-tio-540-series

The registry names only the engine series, so ADs for every model in the series are matched. The FAA lists this model under more than one registry code, usually for different spellings of the maker. This page covers them all.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2026-04-11](https://openairdocs.org/ad/2026-04-11): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 605 more. Effective Apr 8, 2026
- [AD 2023-09-09](https://openairdocs.org/ad/2023-09-09): Exhaust Turbine System (Recip) · Aerostar PA-60-600 (Aerostar 600), PA-60-601 (Aerostar 601), PA-60-601P (Aerostar 601P) and 292 more. Effective Jul 17, 2023
- [AD 2022-16-03](https://openairdocs.org/ad/2022-16-03): Engine (RECIPROCATING) · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-F and 236 more. Effective Aug 15, 2022
- [AD 2017-16-11](https://openairdocs.org/ad/2017-16-11): Reciprocating Engine Power Section · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-360-B1G6 and 93 more. Effective Aug 15, 2017
- [AD 2017-11-10](https://openairdocs.org/ad/2017-11-10): Engine Exhaust System · Lycoming Engines TIO-540-AJ1A. Effective Jun 28, 2017
- [AD 2015-19-07](https://openairdocs.org/ad/2015-19-07): Fuel injector fuel lines · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 187 more. Effective Nov 3, 2015
- [AD 2015-10-06](https://openairdocs.org/ad/2015-10-06): Engine exhaust pipes · Lycoming Engines TIO-540-AJ1A. Effective Jul 2, 2015
- [AD 2013-21-02](https://openairdocs.org/ad/2013-21-02): Turbochargers · Continental Motors LTSIO-360-RB, TSIO-360-MB, TSIO-360-RB and 2 more. Effective Nov 13, 2013
- [AD 2012-19-01](https://openairdocs.org/ad/2012-19-01): Crankshafts · Lycoming Engines AEIO-360-A1A, AEIO-360-A1B, AEIO-360-A1B6 and 321 more. Effective Oct 24, 2012
- [AD 71-13-01 R1](https://openairdocs.org/ad/71-13-01-R1): Rescinding an airworthiness directive · Lycoming Engines TIO-540-A1A, TIO-540-A1B, TIO-540-A1C and 13 more. Effective Mar 8, 2012
- [AD 2012-03-06](https://openairdocs.org/ad/2012-03-06): Fuel servo diaphragm · Continental Motors 6-260-A, 6-285-A, 6-285-B and 482 more. Effective Feb 24, 2012
- [AD 2011-13-03](https://openairdocs.org/ad/2011-13-03): Turbocharger Turbine · Lycoming Engines LTO-360-E1A6D, O-540-L3C5D, TIGO-541-E1A and 20 more. Effective Jul 13, 2011
- [AD 2010-07-08](https://openairdocs.org/ad/2010-07-08): Turbochargers · Kelly Aerospace Energy Systems HIO-360-E1AD, HIO-360-E1BD, HIO-360-F1AD and 137 more. Effective Apr 19, 2010
- [AD 2009-26-12](https://openairdocs.org/ad/2009-26-12): Cylinder assemblies · Engine Components Reciprocating Engine Cylinder Assemblies, AEIO-320-D1B, AEIO-320-D2B and 264 more. Effective Feb 4, 2010
- [AD 2009-02-03](https://openairdocs.org/ad/2009-02-03): Fuel injection servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 261 more. Effective Feb 9, 2009
- [AD 2008-08-17](https://openairdocs.org/ad/2008-08-17): Turbocharger turbine housing flange and the exhaust tube flange · Teledyne Continental Motors TSIOL-550-A 'Liquid-Cooled' engines (RAM Aircraft Limited Partnership STC SA7633SW or SA7633SW-D). Effective May 6, 2008
- [AD 2006-12-07](https://openairdocs.org/ad/2006-12-07): ECi cylinder assemblies · Aerostar AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 386 more. Effective Jul 11, 2006
- [AD 2006-10-21](https://openairdocs.org/ad/2006-10-21): ECi connecting rods · Engine Components Reciprocating Engine Connecting Rods, AEIO-360-B1B, AEIO-360-B1D and 171 more. Effective Jun 22, 2006
- [AD 2005-19-11](https://openairdocs.org/ad/2005-19-11): Crankshafts · Lycoming Engines AEIO-360-A1B6, AEIO-360-A1E6, AEIO-540-D4A5 and 59 more. Effective Oct 21, 2005
- [AD 2005-12-06](https://openairdocs.org/ad/2005-12-06): Riveted-impulse coupling assemblies and snap-ring coupling assemblies · Lycoming Engines AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 154 more. Effective Jul 19, 2005
- [AD 2004-10-14](https://openairdocs.org/ad/2004-10-14): Crankshaft gear · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 642 more. Effective Jun 25, 2004
- [AD 2004-05-24](https://openairdocs.org/ad/2004-05-24): Zinc-plated Crankshaft Gear Retaining Bolts · Lycoming Engines AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 161 more. Effective Mar 30, 2004
- [AD 2003-14-03](https://openairdocs.org/ad/2003-14-03): Rotary fuel pumps · Lycoming Engines AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 262 more. Effective Aug 14, 2003
- [AD 2002-19-03](https://openairdocs.org/ad/2002-19-03): Crankshaft · Lycoming Engines IO-540-A1A5, IO-540-AA1A5, IO-540-AA1B5 and 81 more. Effective Sep 20, 2002
- [AD 2002-12-07](https://openairdocs.org/ad/2002-12-07): Oil Filter Converter Plate Gasket or the Converter Plate Kit · Lycoming Engines HIO-360-E1AD, HIO-360-E1BD, HIO-360-F1AD and 95 more. Effective Jul 3, 2002
- [AD 98-17-11](https://openairdocs.org/ad/98-17-11): Crankshafts · Continental Motors A-65-3, A-65-8, A75-8 and 90 more. Effective Oct 19, 1998
- [AD 97-15-11](https://openairdocs.org/ad/97-15-11): Cylinder kits · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 538 more. Effective Aug 12, 1997
- [AD 97-01-04](https://openairdocs.org/ad/97-01-04): Cylinder assemblies · Lycoming Engines IO-540-M1B5D, LTIO-540-F2BD, LTIO-540-J2B and 10 more. Effective Apr 22, 1997
- [AD 91-21-01 R1](https://openairdocs.org/ad/91-21-01-R1): Exhaust System Flanges · Lycoming Engines TIO-540-S1AD. Effective Jun 27, 1996
- [AD 95-26-02](https://openairdocs.org/ad/95-26-02): Aviation Gasoline · Lycoming Engines IO-320-B1A, IO-320-B1B, IO-320-B1C and 182 more. Effective Jan 24, 1996
- [AD 95-07-01](https://openairdocs.org/ad/95-07-01): Connecting Rod Bolt · Lycoming Engines AEIO-360-A1E, AEIO-360-B1G6, AEIO-360-H1A and 177 more. Effective Apr 12, 1995
- [AD 92-12-05](https://openairdocs.org/ad/92-12-05): Piston Pins · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 532 more. Effective Jul 10, 1992
- [AD 91-10-04](https://openairdocs.org/ad/91-10-04): Exhaust Transition Flange Bolts · Lycoming Engines TIO-540-AE2A. Effective May 21, 1991
- [AD 91-08-07](https://openairdocs.org/ad/91-08-07): Fuel Pump · Lycoming Engines TIO-360-A1A, TIO-360-A1B, TIO-360-A3B6 and 51 more. Effective May 6, 1991
- [AD 89-15-10](https://openairdocs.org/ad/89-15-10): Nozzle Vent Manifold · Lycoming Engines TIO-540-AE2A. Effective Nov 30, 1989
- [AD 87-10-06 R1](https://openairdocs.org/ad/87-10-06-R1): Rocker Arm Assembly · Lycoming Engines IO-360-B4, IVO-360-A1A, O-340-A1A and 243 more. Effective Sep 1, 1989
- [AD 84-19-03 R1](https://openairdocs.org/ad/84-19-03-R1): Cylinder Assemblies · Lycoming Engines LTIO-540-V2AD and TIO-540-V2AD. Effective Sep 20, 1984
- [AD 83-22-04](https://openairdocs.org/ad/83-22-04): Injector Fuel Diaphragm Stem · Lycoming Engines AEIO-540-L1B5D, IO-540-AA1A5, IO-540-G1B5 and 30 more. Effective Nov 4, 1983
- [AD 81-12-06 R1](https://openairdocs.org/ad/81-12-06-R1): Magnetos · Bendix Magnetos, LTIO-540-J2BD and TIO-540-J2BD. Effective Nov 12, 1981
- [AD 80-17-10](https://openairdocs.org/ad/80-17-10): Transition Wastegate Assembly · Lycoming Engines TIO-540-S1AD. Effective Aug 18, 1980
- [AD 79-04-05](https://openairdocs.org/ad/79-04-05): Regulator Diaphragm Stem Assembly · Lycoming Engines AEIO-320-D1B, AEIO-320-E1A, AEIO-320-E1B and 215 more. Effective Sep 26, 1979
- [AD 79-12-07](https://openairdocs.org/ad/79-12-07): Magnetos · Bendix Magnetos, TIO-540-F2BD, TIO-540-N2BD and 3 more. Effective Jun 19, 1979
- [AD 78-23-10](https://openairdocs.org/ad/78-23-10): Center Body Bellows Seal Assembly · Lycoming Engines AEIO-320-D1B, AEIO-320-E1A, AEIO-320-E1B and 218 more. Effective Nov 7, 1978
- [AD 73-23-01](https://openairdocs.org/ad/73-23-01): Piston Pin Assembly · Lycoming Engines AIO-360-A1A, AIO-360-A1B, AIO-360-A2A and 215 more. Effective Jan 13, 1977
- [AD 75-09-15](https://openairdocs.org/ad/75-09-15): Fuel Starvation To The Engine · Lycoming Engines AIO-320-A1A, AIO-320-A1B, AIO-320-A2A and 130 more. Effective Apr 30, 1975
- [AD 73-10-02](https://openairdocs.org/ad/73-10-02): Bendix Fuel Injectors · Bendix Fuel Injectors, AIO-320-A1A, AIO-320-A1B and 88 more. Effective May 16, 1973
- [AD 66-06-03](https://openairdocs.org/ad/66-06-03): Connecting Rod Assemblies · Lycoming Engines GO-435-C2 (O-435-17), GO-435-C2A, GO-435-C2A2 and 317 more. Effective Jan 16, 1969

Historical (superseded or no longer in force):

- [AD 2024-21-02](https://openairdocs.org/ad/2024-21-02) (historical): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 548 more. Effective Dec 5, 2024
- [AD 2012-24-09](https://openairdocs.org/ad/2012-24-09) (historical): Turbocharger turbine wheel · Continental Motors TSIO-360-MB, TSIO-360-RB, TSIO-360-SB and 1 more. Effective Dec 20, 2012
- [AD 2011-26-04](https://openairdocs.org/ad/2011-26-04) (historical): Externally mounted fuel injector fuel lines · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 186 more. Effective Jan 25, 2012
- [AD 2011-15-10](https://openairdocs.org/ad/2011-15-10) (historical): Fuel servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 256 more. Effective Aug 16, 2011
- [AD 2008-19-05](https://openairdocs.org/ad/2008-19-05) (historical): Parallel Valve'' reciprocating engines · Engine Components Reciprocating Engine Cylinder Assemblies, AEIO-320-D1B, AEIO-320-D2B and 262 more. Effective Oct 20, 2008
- [AD 2008-14-07](https://openairdocs.org/ad/2008-14-07) (historical): Externally mounted fuel injector fuel lines · Textron Lycoming, AVCO AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 185 more. Effective Aug 14, 2008
- [AD 2008-08-14](https://openairdocs.org/ad/2008-08-14) (historical): Fuel injection servo plugs · Superior Air Parts AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 242 more. Effective Apr 29, 2008
- [AD 2008-06-51](https://openairdocs.org/ad/2008-06-51) (historical): Fuel injection servo plugs · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 235 more
- [AD 2006-20-09](https://openairdocs.org/ad/2006-20-09) (historical): Certain crankshafts replacing · Lycoming Engines AEIO-360-A1B6, AEIO-360-A1E6, AEIO-540-D4A5 and 82 more. Effective Nov 3, 2006
- [AD 2005-26-10](https://openairdocs.org/ad/2005-26-10) (historical): ECi cylinder assemblies. · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 413 more. Effective Jan 31, 2006
- [AD 2002-26-01](https://openairdocs.org/ad/2002-26-01) (historical): Fuel injector fuel lines · Textron Lycoming, AVCO IGO-480-A1B6, IGO-540-B1A, IGO-540-B1C and 178 more. Effective Jan 31, 2003
- [AD 2002-23-06](https://openairdocs.org/ad/2002-23-06) (historical): Crankshaft gear retaining bolts · Textron Lycoming, AVCO AEIO-540, AEIO-540-D4A5, AEIO-540-D4B5 and 46 more. Effective Nov 19, 2002
- [AD 2002-20-51](https://openairdocs.org/ad/2002-20-51) (historical): Crankshaft gear retaining bolts · Textron Lycoming, AVCO AEIO-540, IO-540 Series (all), LTIO-540-F2BD and 39 more
- [AD 2002-17-53](https://openairdocs.org/ad/2002-17-53) (historical): Crankshaft · Lycoming Engines LTIO-540-F2BD, LTIO-540-J2B, LTIO-540-J2BD and 36 more
- [AD 2002-04-51](https://openairdocs.org/ad/2002-04-51) (historical): Crankshaft · Lycoming Engines LTIO-540-F2BD, LTIO-540-J2B, LTIO-540-J2BD and 8 more
- [AD 98-18-12](https://openairdocs.org/ad/98-18-12) (historical): Fuel Pump · Textron Lycoming, AVCO AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 249 more. Effective Sep 28, 1998
- [AD 93-05-22](https://openairdocs.org/ad/93-05-22) (historical): Fuel Injector Fuel Lines · Lycoming Engines TIO-540-S1AD. Effective May 11, 1993
- [AD 92-12-10](https://openairdocs.org/ad/92-12-10) (historical): Lycoming Engines TIO-540-S1AD. Effective Jun 5, 1992
- [AD 71-13-01](https://openairdocs.org/ad/71-13-01) (historical): Fuel Injector Manifold To Nozzle Tube Assemblies · Lycoming Engines TIO-540-A1A, TIO-540-A1B, TIO-540-A1C and 3 more. Effective Jun 22, 1971

## Information bulletins (advisory) (11)

- [SAIB NE-19-08](https://openairdocs.org/saib/NE-19-08): Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders. Issued May 2, 2019
- [SAIB NE-08-32R1](https://openairdocs.org/saib/NE-08-32R1): Propeller Governor  Idler Gear Shaft Set Screw. Issued May 13, 2016
- [SAIB NE-14-13](https://openairdocs.org/saib/NE-14-13): Reciprocating Engine - Cylinder Mounting Studs. Issued Mar 24, 2014
- [SAIB NE-08-26R3](https://openairdocs.org/saib/NE-08-26R3): Magneto/Distributor. Issued Mar 31, 2011
- [SAIB NE-09-04](https://openairdocs.org/saib/NE-09-04): Fuel Control/Reciprocating Engines. Issued Jan 10, 2009
- [SAIB NE-06-32R1](https://openairdocs.org/saib/NE-06-32R1): Reciprocating Engine - Crankshaft. Issued Sep 10, 2008
- [SAIB NE-08-26R1](https://openairdocs.org/saib/NE-08-26R1) (historical): Dual Magnetos. Issued Jul 8, 2008
- [SAIB NE-08-32](https://openairdocs.org/saib/NE-08-32) (historical): Propeller Governor Set Screw. Issued Jul 3, 2008
- [SAIB NE-03-18](https://openairdocs.org/saib/NE-03-18): . Issued Jan 22, 2003
- [SAIB NE-03-12](https://openairdocs.org/saib/NE-03-12): . Issued Dec 30, 2002
- [SAIB NE-01-37](https://openairdocs.org/saib/NE-01-37): . Issued Aug 16, 2001

## Registered aircraft (191, first 50)

- [N105HP](https://openairdocs.org/aircraft/N105HP): [Ryan Transportation Services Ltd](https://openairdocs.org/faa-owner/RYAN%20TRANSPORTATION%20SERVICES%20LTD), [Marysville, OH](https://openairdocs.org/faa-place/OH/Marysville), built 2003, S/N 3257322
- [N110AV](https://openairdocs.org/aircraft/N110AV): [Carter Jay W Jr](https://openairdocs.org/faa-owner/CARTER%20JAY%20W%20JR), [Wichita Falls, TX](https://openairdocs.org/faa-place/TX/Wichita%20Falls), built 2010, S/N 0001
- [N112HD](https://openairdocs.org/aircraft/N112HD): [Jackson Larry D](https://openairdocs.org/faa-owner/JACKSON%20LARRY%20D), [Orlando, FL](https://openairdocs.org/faa-place/FL/Orlando), built 2000, S/N 46-36260
- [N117SE](https://openairdocs.org/aircraft/N117SE): [Halsell Jason](https://openairdocs.org/faa-owner/HALSELL%20JASON), [Wolfforth, TX](https://openairdocs.org/faa-place/TX/Wolfforth), built 2004, S/N 3255017
- [N1218W](https://openairdocs.org/aircraft/N1218W): [Ondrick Aviation LLC](https://openairdocs.org/faa-owner/ONDRICK%20AVIATION%20LLC), [Chicopee, MA](https://openairdocs.org/faa-place/MA/Chicopee), built 2003, S/N 3255006
- [N121TF](https://openairdocs.org/aircraft/N121TF): [Torres Juan](https://openairdocs.org/faa-owner/TORRES%20JUAN), [Modesto, CA](https://openairdocs.org/faa-place/CA/Modesto), built 2004, S/N 3257351
- [N1258Q](https://openairdocs.org/aircraft/N1258Q): [Siner John R](https://openairdocs.org/faa-owner/SINER%20JOHN%20R), [Kingsport, TN](https://openairdocs.org/faa-place/TN/Kingsport), built 1999, S/N 4636191
- [N126LM](https://openairdocs.org/aircraft/N126LM): [Matt Aviation Propertis Inc](https://openairdocs.org/faa-owner/MATT%20AVIATION%20PROPERTIS%20INC), [Nashua, NH](https://openairdocs.org/faa-place/NH/Nashua), built 2003, S/N 3257336
- [N127GT](https://openairdocs.org/aircraft/N127GT): [7 Golf Tango LLC](https://openairdocs.org/faa-owner/7%20GOLF%20TANGO%20LLC), [Saint Petersburg, FL](https://openairdocs.org/faa-place/FL/Saint%20Petersburg), built 2004, S/N 3257343
- [N12KW](https://openairdocs.org/aircraft/N12KW): [Allied Moulded Products Inc](https://openairdocs.org/faa-owner/ALLIED%20MOULDED%20PRODUCTS%20INC), [Bryan, OH](https://openairdocs.org/faa-place/OH/Bryan), built 2000, S/N 4636255
- [N133DR](https://openairdocs.org/aircraft/N133DR): [814ma Inc](https://openairdocs.org/faa-owner/814MA%20INC), [Van Alstyne, TX](https://openairdocs.org/faa-place/TX/Van%20Alstyne), built 2005, S/N 3255027
- [N133WC](https://openairdocs.org/aircraft/N133WC): [Huntingdon, TN](https://openairdocs.org/faa-place/TN/Huntingdon), built 2000, S/N 4636251, Registration pending
- [N140DC](https://openairdocs.org/aircraft/N140DC): [Cheely Matthew G](https://openairdocs.org/faa-owner/CHEELY%20MATTHEW%20G), [Hillsdale, MI](https://openairdocs.org/faa-place/MI/Hillsdale), built 2003, S/N 58
- [N141SB](https://openairdocs.org/aircraft/N141SB): [Ck Aviation LLC](https://openairdocs.org/faa-owner/CK%20AVIATION%20LLC), [Bismarck, ND](https://openairdocs.org/faa-place/ND/Bismarck), built 1999, S/N 4636244
- [N146NC](https://openairdocs.org/aircraft/N146NC): [Hills Jason](https://openairdocs.org/faa-owner/HILLS%20JASON), [Bothell, WA](https://openairdocs.org/faa-place/WA/Bothell), built 1998, S/N 4636176
- [N175BS](https://openairdocs.org/aircraft/N175BS): [Two Three Aviation Lp](https://openairdocs.org/faa-owner/TWO%20THREE%20AVIATION%20LP), [Gatesville, TX](https://openairdocs.org/faa-place/TX/Gatesville), built 2003, S/N 3257338
- [N188LA](https://openairdocs.org/aircraft/N188LA): [Avf Flyers LLC](https://openairdocs.org/faa-owner/AVF%20FLYERS%20LLC), [Richmond, VA](https://openairdocs.org/faa-place/VA/Richmond), S/N 4636185
- [N189MJ](https://openairdocs.org/aircraft/N189MJ): [Barnes Aviation LLC](https://openairdocs.org/faa-owner/BARNES%20AVIATION%20LLC), [Flowood, MS](https://openairdocs.org/faa-place/MS/Flowood), built 2004, S/N 3257340
- [N18JM](https://openairdocs.org/aircraft/N18JM): [Dixon John F](https://openairdocs.org/faa-owner/DIXON%20JOHN%20F), [Hayden, ID](https://openairdocs.org/faa-place/ID/Hayden), built 1999, S/N 4636229
- [N18LH](https://openairdocs.org/aircraft/N18LH): [Krystal Sky Aviation LLC](https://openairdocs.org/faa-owner/KRYSTAL%20SKY%20AVIATION%20LLC), [Melbourne, FL](https://openairdocs.org/faa-place/FL/Melbourne), built 1998, S/N 32-57058
- [N196DB](https://openairdocs.org/aircraft/N196DB): [Be Right Back Aviation LLC](https://openairdocs.org/faa-owner/BE%20RIGHT%20BACK%20AVIATION%20LLC), [Boca Raton, FL](https://openairdocs.org/faa-place/FL/Boca%20Raton), built 1973, S/N 27-7405273
- [N19DK](https://openairdocs.org/aircraft/N19DK): [Richardson Cotton Inc](https://openairdocs.org/faa-owner/RICHARDSON%20COTTON%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2015, S/N 18282374
- [N205AP](https://openairdocs.org/aircraft/N205AP): [Pappalardo Anthony](https://openairdocs.org/faa-owner/PAPPALARDO%20ANTHONY), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach), built 2000, S/N 46-36250
- [N20617](https://openairdocs.org/aircraft/N20617): [Mtnairpower LLC](https://openairdocs.org/faa-owner/MTNAIRPOWER%20LLC), [Santa Barbara, CA](https://openairdocs.org/faa-place/CA/Santa%20Barbara), built 2017, S/N T20609522
- [N206AG](https://openairdocs.org/aircraft/N206AG): [Desevarg Inc](https://openairdocs.org/faa-owner/DESEVARG%20INC), [Appleton, WI](https://openairdocs.org/faa-place/WI/Appleton), built 2020, S/N T20609618
- [N206LM](https://openairdocs.org/aircraft/N206LM): [Qualitair LLC](https://openairdocs.org/faa-owner/QUALITAIR%20LLC), Michelstadt, built 1977, S/N U20603759
- [N20DB](https://openairdocs.org/aircraft/N20DB): [Lsn Air LLC](https://openairdocs.org/faa-owner/LSN%20AIR%20LLC), [Morrison, CO](https://openairdocs.org/faa-place/CO/Morrison), built 2004, S/N T18208331
- [N20LX](https://openairdocs.org/aircraft/N20LX): [Lockheed Martin Corporation](https://openairdocs.org/faa-owner/LOCKHEED%20MARTIN%20CORPORATION), [Palmdale, CA](https://openairdocs.org/faa-place/CA/Palmdale), built 1975, S/N 31-7552121
- [N219D](https://openairdocs.org/aircraft/N219D): [L3 Wolfpack Sigma LLC](https://openairdocs.org/faa-owner/L3%20WOLFPACK%20SIGMA%20LLC), [Overland Park, KS](https://openairdocs.org/faa-place/KS/Overland%20Park), built 1999, S/N 4636209
- [N220W](https://openairdocs.org/aircraft/N220W): [Jaw Air LLC](https://openairdocs.org/faa-owner/JAW%20AIR%20LLC), [Fargo, ND](https://openairdocs.org/faa-place/ND/Fargo), S/N 4622052
- [N225MC](https://openairdocs.org/aircraft/N225MC): [P46 Tango LLC](https://openairdocs.org/faa-owner/P46%20TANGO%20LLC), [Friday Harbor, WA](https://openairdocs.org/faa-place/WA/Friday%20Harbor), built 1999, S/N 4636239
- [N22952](https://openairdocs.org/aircraft/N22952): [Winging It LLC](https://openairdocs.org/faa-owner/WINGING%20IT%20LLC), [Lindon, UT](https://openairdocs.org/faa-place/UT/Lindon), built 2007, S/N T18208740
- [N241WF](https://openairdocs.org/aircraft/N241WF): [International Air Services Inc Trustee](https://openairdocs.org/faa-owner/INTERNATIONAL%20AIR%20SERVICES%20INC%20TRUSTEE), [Carson City, NV](https://openairdocs.org/faa-place/NV/Carson%20City), built 1978, S/N 31-7852073
- [N243PS](https://openairdocs.org/aircraft/N243PS): [N9089 LLC](https://openairdocs.org/faa-owner/N9089%20LLC), [Lewes, DE](https://openairdocs.org/faa-place/DE/Lewes), S/N 3257073
- [N249FB](https://openairdocs.org/aircraft/N249FB): [K4m Aviation LLC](https://openairdocs.org/faa-owner/K4M%20AVIATION%20LLC), [Marksville, LA](https://openairdocs.org/faa-place/LA/Marksville), built 1999, S/N 4636221
- [N263RC](https://openairdocs.org/aircraft/N263RC): [Richland County Sheriffs Department](https://openairdocs.org/faa-owner/RICHLAND%20COUNTY%20SHERIFFS%20DEPARTMENT), [Columbia, SC](https://openairdocs.org/faa-place/SC/Columbia), built 2013, S/N T20609107
- [N27481](https://openairdocs.org/aircraft/N27481): [Sanborn Map Company Inc](https://openairdocs.org/faa-owner/SANBORN%20MAP%20COMPANY%20INC), [Colorado Springs, CO](https://openairdocs.org/faa-place/CO/Colorado%20Springs), built 1978, S/N 31-7812009
- [N2802W](https://openairdocs.org/aircraft/N2802W): [Mejias Michael](https://openairdocs.org/faa-owner/MEJIAS%20MICHAEL), [Miami Gardens, FL](https://openairdocs.org/faa-place/FL/Miami%20Gardens), S/N 1137
- [N2804W](https://openairdocs.org/aircraft/N2804W): [Sacco Christopher M](https://openairdocs.org/faa-owner/SACCO%20CHRISTOPHER%20M), [Mechanicsville, MD](https://openairdocs.org/faa-place/MD/Mechanicsville), S/N 1039
- [N2805R](https://openairdocs.org/aircraft/N2805R): [Murphy Tyson L](https://openairdocs.org/faa-owner/MURPHY%20TYSON%20L), [Greensboro, NC](https://openairdocs.org/faa-place/NC/Greensboro), S/N 1138
- [N280KC](https://openairdocs.org/aircraft/N280KC): [Mccarty Anthony O](https://openairdocs.org/faa-owner/MCCARTY%20ANTHONY%20O), [Saint Augustine, FL](https://openairdocs.org/faa-place/FL/Saint%20Augustine), built 1999, S/N 4636219
- [N292S](https://openairdocs.org/aircraft/N292S): [Martin James David](https://openairdocs.org/faa-owner/MARTIN%20JAMES%20DAVID), [Graford, TX](https://openairdocs.org/faa-place/TX/Graford), built 1976, S/N 3274
- [N297C](https://openairdocs.org/aircraft/N297C): [Livestock Health Products-Texas Inc](https://openairdocs.org/faa-owner/LIVESTOCK%20HEALTH%20PRODUCTS-TEXAS%20INC), [Dalhart, TX](https://openairdocs.org/faa-place/TX/Dalhart), built 2004, S/N 4636359
- [N297JG](https://openairdocs.org/aircraft/N297JG): [International Air Services Inc Trustee](https://openairdocs.org/faa-owner/INTERNATIONAL%20AIR%20SERVICES%20INC%20TRUSTEE), [Carson City, NV](https://openairdocs.org/faa-place/NV/Carson%20City), built 1979, S/N 317952043
- [N2PN](https://openairdocs.org/aircraft/N2PN): [Fugro USA Land Inc](https://openairdocs.org/faa-owner/FUGRO%20USA%20LAND%20INC), [Rapid City, SD](https://openairdocs.org/faa-place/SD/Rapid%20City), built 1977, S/N 31-7752141
- [N30144](https://openairdocs.org/aircraft/N30144): [Roberti Aviation Of Delaware Inc](https://openairdocs.org/faa-owner/ROBERTI%20AVIATION%20OF%20DELAWARE%20INC), [Lighthouse Point, FL](https://openairdocs.org/faa-place/FL/Lighthouse%20Point), S/N 3257330
- [N3025L](https://openairdocs.org/aircraft/N3025L): [Beacon Aviation Flight Services LLC](https://openairdocs.org/faa-owner/BEACON%20AVIATION%20FLIGHT%20SERVICES%20LLC), [Rogers, AR](https://openairdocs.org/faa-place/AR/Rogers), S/N 32R-7987092
- [N303C](https://openairdocs.org/aircraft/N303C): [Gtair LLC](https://openairdocs.org/faa-owner/GTAIR%20LLC), [Ridgedale, MO](https://openairdocs.org/faa-place/MO/Ridgedale), built 2005, S/N 3257372
- [N30511](https://openairdocs.org/aircraft/N30511): [N30511 LLC](https://openairdocs.org/faa-owner/N30511%20LLC), [Auburndale, FL](https://openairdocs.org/faa-place/FL/Auburndale), built 2003, S/N 3255005
- [N30662](https://openairdocs.org/aircraft/N30662): [Jandair LLC](https://openairdocs.org/faa-owner/JANDAIR%20LLC), [Ennis, TX](https://openairdocs.org/faa-place/TX/Ennis), built 2004, S/N 3255023

All 191: https://openairdocs.org/engine/lycoming-tio-540-series/aircraft.md

## NTSB investigations (37)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CEN26LA100](https://openairdocs.org/ntsb/CEN26LA100), Jan 24, 2026: Piper PA 46-350P (N91MK), Sioux City, IA, substantial damage, investigation ongoing
- [NTSB WPR25LA293](https://openairdocs.org/ntsb/WPR25LA293), Sep 23, 2025: Piper PA 46-350P (N462HP), Lake Havasu City, AZ, substantial damage. Probable cause: The pilot’s failure to extend the landing gear before landing due to distraction and failure to conduct the before landing checklist.
- [NTSB ERA25LA268](https://openairdocs.org/ntsb/ERA25LA268), Jul 11, 2025: Piper PA46 (N962WF), Elysburg, PA, substantial damage. Probable cause: Failure of the engine mount which resulted in a collapse of the nose landing gear.
- [NTSB ERA23LA161](https://openairdocs.org/ntsb/ERA23LA161), Mar 23, 2023: Piper PA-46-350P (N280KC), St. Augustine, FL, destroyed. Probable cause: The pilot's inadequate preflight planning, which resulted in a takeoff above the airplane’s maximum gross weight, a CG forward of the limit, and a tailwind component that prevented the airplane from…
- [NTSB WPR23LA002](https://openairdocs.org/ntsb/WPR23LA002), Oct 2, 2022: Piper PA 46-350P (N987PS), Clovis, NM, substantial damage. Probable cause: The pilot’s failure to follow the go-around procedures by prematurely retracting the flaps and not establishing a proper go-around climb speed after attempting to land with a quartering tailwind,…
- [NTSB ERA22FA318](https://openairdocs.org/ntsb/ERA22FA318), Jul 17, 2022: Piper PA-46-350P (N97CX), North Las Vegas, NV, destroyed, 4 fatal. Probable cause: The low-wing airplane pilot’s failure to ensure that the airplane was aligned with the correct runway, which resulted in a collision with the high-wing airplane on final approach. Contributing to the…
- [NTSB WPR22LA163](https://openairdocs.org/ntsb/WPR22LA163), Apr 21, 2022: Textron T206H (N20617), Santa Barbara, CA, substantial damage. Probable cause: The loss of directional control for undetermined reasons. Contributing was the overstress fracture of the nose gear upper trunnion brace attach point.
- [NTSB CEN21LA186](https://openairdocs.org/ntsb/CEN21LA186), Feb 28, 2021: Piper PA 46-350P (N6962S), Aspen, CO, substantial damage. Probable cause: The pilot’s failure to maintain directional control on landing.
- [NTSB ERA20LA274](https://openairdocs.org/ntsb/ERA20LA274), Aug 1, 2020: Piper PA32RT (N3025L), Honesdale, PA, substantial damage. Probable cause: The pilot’s premature rotation for takeoff, which resulted in a tail strike and subsequent runway excursion. Contributing to the accident was the pilot’s inadequate preflight planning, which failed…
- [NTSB GAA19CA456](https://openairdocs.org/ntsb/GAA19CA456), Jul 27, 2019: Piper PA46 (N12KW), Sparta, TN, substantial damage. Probable cause: The pilot's failure to maintain the runway heading during an aborted takeoff, which resulted in a runway excursion and collision with a sign and terrain. Contributing to the need to abort the takeoff…
- [NTSB GAA19CA304](https://openairdocs.org/ntsb/GAA19CA304), Jun 2, 2019: Piper PA32R (N9966G), Flippin, AR, substantial damage. Probable cause: The airplane’s collision with deer during the landing and the airport’s failure to provide an adequate barrier to prevent wildlife from entering the runway environment despite previous deer strikes.
- [NTSB CEN19FA088](https://openairdocs.org/ntsb/CEN19FA088), Feb 28, 2019: Piper PA46 (N428CD), Shreveport, LA, substantial damage, 2 fatal. Probable cause: The pilot's conduct of a departure into instrument meteorological conditions (IMC), which resulted in spatial disorientation and subsequent loss of airplane control. Contributing to the accident was…
- [NTSB ERA19LA072](https://openairdocs.org/ntsb/ERA19LA072), Dec 20, 2018: Piper PA46 (N307JM), Mayport, FL, destroyed, 2 fatal. Probable cause: An in-flight loss of control following an encounter with supercooled large droplet icing conditions, which ultimately resulted in an uncontrolled descent and subsequent inflight breakup. Also causal…
- [NTSB ERA19LA086](https://openairdocs.org/ntsb/ERA19LA086), Nov 18, 2018: Piper PA46 (N88VZ), Petersburg, WV, substantial damage. Probable cause: A loss of control during the landing roll and subsequent runway excursion for reasons that could not be determined based on the available evidence.
- [NTSB GAA17CA139](https://openairdocs.org/ntsb/GAA17CA139), Dec 2, 2016: Piper PA46 (N4149R), Midland, VA, substantial damage. Probable cause: The pilot’s improper landing flare and subsequent hard landing while demonstrating a short-field landing and the flight instructor’s delayed remedial action.
- [NTSB CEN16WA268](https://openairdocs.org/ntsb/CEN16WA268), Jul 14, 2016: Piper PA-32R-301 (N710CC), Ajdovscina, Slovenia, destroyed, 4 fatal
- [NTSB WPR16LA127](https://openairdocs.org/ntsb/WPR16LA127), Jun 2, 2016: Piper PA46 (N301DM), Seattle, WA, substantial damage. Probable cause: The pilot’s failure to use the emergency procedures checklist for generator failures or for gear extension following a loss of electrical power due to the separated flag terminal of a diode in…
- [NTSB CEN14LA476](https://openairdocs.org/ntsb/CEN14LA476), Sep 3, 2014: Piper PA-46-350P (N747TH), Cortez, CO, substantial damage. Probable cause: The flight instructor’s delayed decision to abort the simulated engine out maneuver, his failure to unfeather the propeller before restoring engine power, and his inadequate airspeed management,…
- [NTSB WPR14LA307](https://openairdocs.org/ntsb/WPR14LA307), Jul 22, 2014: Piper PA 46 350P (N60PB), Auburn, WA, substantial damage. Probable cause: A collapse of the nose landing gear for reasons that could not be determined based on the available information.
- [NTSB WPR13FA008](https://openairdocs.org/ntsb/WPR13FA008), Oct 9, 2012: Piper PA-32R-301T (N110UM), Laramie Peak, WY, destroyed, 4 fatal. Probable cause: The noninstrument-rated pilot’s continued visual flight into instrument meteorological conditions, which resulted in his failure to maintain sufficient clearance from rising terrain.
- [NTSB ERA12LA524](https://openairdocs.org/ntsb/ERA12LA524), Aug 23, 2012: Piper PA-32R-301T (N362DM), Riverview, FL, substantial damage. Probable cause: Damage to the propeller governor gasket during installation by unknown persons, which resulted in a total loss of engine oil in flight and a subsequent forced landing.
- [NTSB ERA12LA441](https://openairdocs.org/ntsb/ERA12LA441), Jul 6, 2012: Piper PA-46-350P (N4133G), Auburn, AL, substantial damage. Probable cause: The airplane owner’s failure to have maintenance personnel comply with an aircraft manufacturer's service bulletin to require engine mount inspections for fatigue cracks, which resulted in an…
- [NTSB CEN10FA233](https://openairdocs.org/ntsb/CEN10FA233), May 3, 2010: JetProp DLX Piper PA46 (N135CC), New Albany, IN, substantial damage, 2 fatal. Probable cause: The pilot’s failure to maintain airspeed in instrument meteorological conditions, which resulted in an aerodynamic stall.
- [NTSB ERA10CA230](https://openairdocs.org/ntsb/ERA10CA230), Apr 5, 2010: Piper PA-32R-301T (N541VB), Augusta, GA, substantial damage. Probable cause: The pilot’s inadequate braking after touchdown, which resulted in a runway excursion.
- [NTSB NYC08CA169](https://openairdocs.org/ntsb/NYC08CA169), Apr 22, 2008: Piper PA-46-350P (N345RP), Chapel Hill, NC, substantial damage. Probable cause: The pilot's improper recovery from a bounced landing. Contributing to the accident was the gusty wind conditions.
- [NTSB CHI07LA151](https://openairdocs.org/ntsb/CHI07LA151), May 19, 2007: Piper PA 46-350P (N411MD), Fishers, IN, substantial damage. Probable cause: The fatigue separation of the engine mount's nose gear actuator attachment foot during landing.
- [NTSB DFW07LA021](https://openairdocs.org/ntsb/DFW07LA021), Oct 31, 2006: Piper PA32-301XTC (N506C), San Marcos, TX, substantial damage. Probable cause: The pilot's improper recovery from a bounced landing.
- [NTSB DEN06LA062](https://openairdocs.org/ntsb/DEN06LA062), Apr 13, 2006: Piper PA-46-350P (N82LL), Hope, NM, substantial damage. Probable cause: A loss of engine power due to failed bearings in the turbocharger and the subsequent oil seal failure leading to oil exhaustion. Factors contributing to the accident were the fractured oil seal and…
- [NTSB CHI05FA042](https://openairdocs.org/ntsb/CHI05FA042), Dec 9, 2004: Piper PA-32R-301T (N587C), Glenwood, MN, substantial damage, 2 fatal. Probable cause: The pilot's failure to execute a missed approach and his failure to maintain sufficient altitude and clearance from terrain and obstructions. Contributing factors were the pilot's failure to obtain a…
- [NTSB IAD05CA015](https://openairdocs.org/ntsb/IAD05CA015), Nov 18, 2004: Socata TB 21-TC (N55510), Binghamton, NY, substantial damage. Probable cause: The pilot's improper IFR procedure by his flight below the decision altitude, and his failure to maintain obstacle clearance.
- [NTSB LAX05FA032](https://openairdocs.org/ntsb/LAX05FA032), Nov 11, 2004: Piper PA-32R-301T (N803ZG), Santa Barbara, CA, destroyed, 3 fatal. Probable cause: The pilot's failure to select and maintain an adequate terrain avoidance cruise altitude. Contributing factors were the dark nighttime conditions, the rising mountainous terrain, and the Federal…
- [NTSB FTW04WA048](https://openairdocs.org/ntsb/FTW04WA048), Dec 13, 2003: Piper PA-46 (N9223X), Guaymas, Mexico, destroyed, 2 fatal
- [NTSB MIA03LA012](https://openairdocs.org/ntsb/MIA03LA012), Nov 3, 2002: Piper PA-46-350P (N167MA), Memphis, TN, destroyed, 2 fatal. Probable cause: The cause of the accident is unknown as the airplane has not been located. A finding in the investigation was the fact that the pilot conducted an unstabilized approach; the flight was right, left,…
- [NTSB NYC00LA212](https://openairdocs.org/ntsb/NYC00LA212), Jul 28, 2000: Piper PA-46 (N555JV), Chatham, MA, substantial damage. Probable cause: The pilot's delayed use of the brakes, which resulted in a runway overrun. Factors in the accident were the pilot's improper decision to land with a right quartering tailwind.
- [NTSB NYC00WA015](https://openairdocs.org/ntsb/NYC00WA015), Oct 18, 1999: Piper PA-46-350P (N90D), Cranbrook, Canada, destroyed, 1 fatal
- [NTSB ATL99LA052](https://openairdocs.org/ntsb/ATL99LA052), Mar 14, 1999: Piper PA-46-350P (N345RP), Laurens, SC, substantial damage. Probable cause: The pilot's disregard for current wind conditions and his failure to maintain directional control during landing. Factors were the tailwind and wet runway surface.
- [NTSB MIA97LA126](https://openairdocs.org/ntsb/MIA97LA126), Mar 21, 1997: Socata TB-21C (N55510), Hollywood, FL, substantial damage. Probable cause: continued flight by the pilot into adverse weather conditions, and the pilot allowing the aircraft to exceed its design stress limits. Weather associated with the thunderstorm was a related factor.

## FAA accident and incident reports (61, newest 50)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20260602005479I](https://openairdocs.org/incident/20260602005479I), Jun 2, 2026: Piper PA32-301XTC (N117SE), Lubbock, TX, Minor damage. On June 2, 2026, at 1230 CDT, a Piper saratoga aircraft registered to the pilot in command of that flight, veered off the runway 17R of Lubbock Preston Smith…
- [Accident 20260124000639A](https://openairdocs.org/incident/20260124000639A), Jan 24, 2026: Piper Aircraft Inc PA 46-350P (N91MK), Sioux City, IA, Substantial damage. Loss of oil pressure and engine power resulted in off-airport landing.
- [Accident 20250923014109A](https://openairdocs.org/incident/20250923014109A), Sep 23, 2025: Piper PA 46-350P (N462HP), Lake Havasu, AZ, Substantial damage. PIC was flying from prc to hii. During approach, PIC decided to keep speed up and expedite the landing for other traffic. On base, PIC placed his EFB on the…
- [Incident 20250916016239I](https://openairdocs.org/incident/20250916016239I), Sep 16, 2025: Piper PA 46-350P (N205AP), Tampa, FL, Minor damage. Aircraft PA46, experienced a nose gear collapse while landing runway 5. Moving aircraft beyond aircraft turn tow limits caused horn & roller assy to…
- [Incident 20250822013549I](https://openairdocs.org/incident/20250822013549I), Aug 22, 2025: Cessna T182T (N20DB), Colorado Spring, CO, Minor damage. Planned solo training flight consisting of three touch-and-go landings at kcos followed by flight to kpub to practice instrument approaches in preparation for…
- [Accident 20250711009699A](https://openairdocs.org/incident/20250711009699A), Jul 11, 2025: Piper PA 46-350P (N962WF), Paxinos, PA, Substantial damage. Approaching the airport from the south, I entered a left downwind for runway 26 and put the gear down, at which time I noticed 3 green lights. Then I performed…
- [Incident 20230617014009I](https://openairdocs.org/incident/20230617014009I), Jun 17, 2023: Piper PA-32R-301T (N189MJ), Destin, FL, Minor damage. [privacy data omitted] Hydroplaned on taxiway and hit an airport light standard.
- [Accident 20230323004849A](https://openairdocs.org/incident/20230323004849A), Mar 23, 2023: Piper PA 46-350P (N280KC), St. Augustine, FL, Destroyed. On March 23, 2023, about 1644 eastern daylight time, a Piper PA-46-350P, [privacy data omitted], was destroyed when it was involved in an accident near St.…
- [Accident 20221002015899A](https://openairdocs.org/incident/20221002015899A), Oct 2, 2022: Piper PA 46-350P (N987PS), Clovis, NM, Substantial damage. On oct 2, 2022, at approximately 22:05Z (16:05 MDT) a Piper PA-46-350P, serial number 46-36225, bearing registration number[privacy data omitted], and [privacy…
- [Accident 20220717012602A](https://openairdocs.org/incident/20220717012602A), Jul 17, 2022: Piper PA 46-350P (N97CX), North Las Vegas, NV, Destroyed, 2 fatal. On July 17, 2022, at approximately 2000 UTC (1200 PDT), a Piper [privacy data omitted] and a Cessna[privacy data omitted] collided in mid-air while landing at…
- [Accident 20220421005699A](https://openairdocs.org/incident/20220421005699A), Apr 21, 2022: Textron Aviation Inc T206H (N20617), Goleta, CA, Substantial damage. During landing and touch down of the nose landing gear the aircraft veered to the right, then to the left, back to the right contacting the RH wing tip on the…
- [Incident 20211117019829I](https://openairdocs.org/incident/20211117019829I), Nov 17, 2021: Cessna C206 (N20617), Arlington, TX, Minor damage. Ferrying a Cessna 206 from alexandria on an IFR flight plan and had received a full weather briefing. Winds were gusty. While setting up for the visual…
- [Accident 20210228001769A](https://openairdocs.org/incident/20210228001769A), Feb 28, 2021: Piper PA 46-350P (N6962S), Aspen, CO, Substantial damage. During rollout following a normal landing, the aircraft drifted to the left. Pilot corrected with right rudder and braking. Aircraft went off of the runway…
- [Accident 20200801012859A](https://openairdocs.org/incident/20200801012859A), Aug 1, 2020: Piper PA-32RT-300T (N3025L), Honesdale, PA, Substantial damage. Pilot was departing runway 36 on Saturday August 1, 2020 at around 7:45AM. On board the aircraft was the pilot and four daughters. The family was enroute to…
- [Incident 20191015019899I](https://openairdocs.org/incident/20191015019899I), Oct 15, 2019: Piper PA-32R-301T (N30144), Pompano Beach, FL, Minor damage. Aircraft was cleared for takeoff and departed runway 10. Aircraft lost power 3/4 down runway and landed in grass at end of runway. Aircraft gear collapsed…
- [Accident 20190727012699A](https://openairdocs.org/incident/20190727012699A), Jul 27, 2019: Piper PA 46-350P (N12KW), Sparta, TN, Substantial damage. On the morning of July 27, 2019 a private pilot acting as pilot in command of a Piper PA-46-350P departed byran Ohio, his destination was ashville, NC. The…
- [Incident 20190712011339I](https://openairdocs.org/incident/20190712011339I), Jul 12, 2019: Piper PA 46-350P (N987PS), Clovis, NM, Minor damage. On July 12, 2019, at approximately 1500 CDT, N987PS, a Piper malibu, PA-46-350P, had a hard landing and a nose wheel gear collapsed. The pilot overshot the…
- [Accident 20190601016399A](https://openairdocs.org/incident/20190601016399A), Jun 1, 2019: Piper PA-32R-301T (N9966G), Flippin, AR, Substantial damage. On June 1, 2019, about 2030 central standard time, a Piper PA32R-301T, N9966G sustained substantial damage when the plane collided with a deer during landing…
- [Incident 20190421022959I](https://openairdocs.org/incident/20190421022959I), Apr 21, 2019: Piper PA-32R-301T (N9966G), Flippen, AR, Minor damage. On April 21, 2019 at 1725, a Piper PA-32, N9966G registered to [privacy data omitted] struck a deer on their landing rollout at the Flippen, AR airport. Two…
- [Accident 20190228000739A](https://openairdocs.org/incident/20190228000739A), Feb 28, 2019: Piper PA 46-350P (N428CD), Shreveport, LA, Destroyed, 2 fatal. Aircraft departed at approximately 1037 from dtn. Was given left heading during climbout. Aircraft turned left , continued to climb and completed one 360…
- [Accident 20181220022069A](https://openairdocs.org/incident/20181220022069A), Dec 20, 2018: Piper PA 46-350P (N307JM), Mayport, FL, Destroyed, 2 fatal. Pilot (asel and instrument rated)and pax (son - asel rated/not instrument rated) departed kism 12/20/2018 at approx 0904. Witness summary reports speaking with…
- [Accident 20181118017309A](https://openairdocs.org/incident/20181118017309A), Nov 18, 2018: Piper PA 46-350P (N88VZ), Petersburg, WV, Substantial damage. Pilot landed runway 13 in VMC and zero wind. Main gear touched down and after nose wheel made ground contact the aircraft went into an uncontrolled left skid.…
- [Incident 20171126022119I](https://openairdocs.org/incident/20171126022119I), Nov 26, 2017: Piper PA32-301XTC (N410CP), Kansas City, MO, Minor damage. Aircraft touched down approximately 600 feet short of runway 19 threshold, striking engineered materials arresting system (emas) surface and one approach light.
- [Incident 20170228007329I](https://openairdocs.org/incident/20170228007329I), Feb 28, 2017: Socata TB21TC (N2802W), Salina, KS, Minor damage. On February 28, 2017, at approximately 1438 central standard time, two commercial certificated airmen were involved in a gear-up landing in a Socata trinidad…
- [Accident 20161202022669A](https://openairdocs.org/incident/20161202022669A), Dec 2, 2016: Piper PA 46-350P (N4149R), Midland, VA, Substantial damage. Description: on Friday dec 2, 2016, about 4:30PM landing on runway 33 at W66. Commercial pilot/cfii [privacy data omitted] flying as student and CFII [privacy…
- [Accident 20160602016669A](https://openairdocs.org/incident/20160602016669A), Jun 2, 2016: Piper PA 46-350P (N301DM), Seattle, WA, Substantial damage. On vectors for kbfi ILS 13R at 2200', PIC noted both tie bus gen breakers out. Reset breakers with no issues. Just before final vector to join localizer, all…
- [Incident 20160211008109I](https://openairdocs.org/incident/20160211008109I), Feb 11, 2016: Socata TB21TC (N2805R), Petaluma, CA, Substantial damage. On 2/11/2016 at 1640 PST solo pilot operating a Socata TB21 departed apc for landing at 069. Pilot phoned 069 ATC before flight to notify them that the…
- [Incident 20150515008309I](https://openairdocs.org/incident/20150515008309I), May 15, 2015: Piper PA-31-310 (N748NP), Ft Lauderdale, FL, No damage. PIC reported that during the approach sequence the left engine began to run rough which created drag on the aircraft. He elected to shut the engine…
- [Incident 20150228002689I](https://openairdocs.org/incident/20150228002689I), Feb 28, 2015: Piper PA-31-310 (N748NP), Boca Raton, FL, Minor damage. Aircraft departed on an IFR flight plan from kfxe enroute to kpmp. Shortly after departure the pilot advised ATC of right engine trouble and subsenquently…
- [Accident 20140903020729A](https://openairdocs.org/incident/20140903020729A), Sep 3, 2014: Piper PA 46-350P (N747TH), Cortez, CO, Substantial damage. Insurance required recurrent training was being provided. Normal takeoff, with the exception that the landing gear was never retracted (they should have been),…
- [Accident 20140722012639A](https://openairdocs.org/incident/20140722012639A), Jul 22, 2014: Piper PA 46-350P (N60PB), Auburn, WA, Substantial damage. Piper PA46-350P, nose gear collapsed on landing roll out.
- [Incident 20140223001969I](https://openairdocs.org/incident/20140223001969I), Feb 23, 2014: Piper PA32-301XTC (N503VF), Sanford, FL, Minor damage. On February 23, 2014 at approx 1148 EDT, a Piper PA-32, N503VF, registered to jth air LLC, and operated by [privacy data omitted], was inbound IFR on an ILS…
- [Incident 20130605010299I](https://openairdocs.org/incident/20130605010299I), Jun 5, 2013: Cessna T182T (N916MC), Gainesville, FL, Minor damage. Pilot was practicing IFR flight in actual IMC imbedded thunderstorms and moderate-heavy precipitation. Following landing on roll out pilot slid off of runway
- [Accident 20121009022179A](https://openairdocs.org/incident/20121009022179A), Oct 9, 2012: Piper PA-32R-301T (N110UM), Destroyed, 4 fatal. On October 9, 2012, at approximately 14:25 LCL, Piper PA-32R-301T-N110UM impacted the terrain 60 miles s/e of casper, WY. Aircraft was destroyed and pilot and…
- [Accident 20120823017739A](https://openairdocs.org/incident/20120823017739A), Aug 23, 2012: Piper PA-32R-301T (N362DM), Tampa, FL, Substantial damage. On August 23, 2012, at approximately 1258 UTC, a Piper PA-32R-301T, N362DM, serial no. 7103220, had a low voltage warning light illuminate and noticiable sheen…
- [Accident 20120706015029A](https://openairdocs.org/incident/20120706015029A), Jul 6, 2012: Piper PA 46-350P (N4133G), Auburn, AL, Substantial damage. On July 6, 2012, [privacy data omitted](pilot) was landing at Auburn, Alabama (kauo). The landing was executed with normal procedures until the nose wheel…
- [Accident 20100502034529A](https://openairdocs.org/incident/20100502034529A), May 2, 2010: Piper PA 46-350P (N135CC), New Albany, IN, Destroyed, 2 fatal. On may 2, 2010 N135CC a PA46 was enroute from kpah (paducah, KY) to klou (bowman field, KY) when the aircraft contacted approach and was cleared down to 4000'.…
- [Accident 20100405035539A](https://openairdocs.org/incident/20100405035539A), Apr 5, 2010: Piper PA-32R-301T (N541VB), Augusta, GA, Substantial damage. Aircraft landed midway on runway 29. While approaching the end of the runway, pilot applied brakes aggressively inducing a skid to the right, and off the…
- [Incident 20100401030759I](https://openairdocs.org/incident/20100401030759I), Apr 1, 2010: Piper PA 46-350P (N4167C), Caldwell, NJ, Minor damage. During landing touch down on runway 22 at Caldwell airport, NJ (kcdw) the pilot noticed the aircraft pulling right and struggled to maintain the aircraft on…
- [Incident 20100304030299I](https://openairdocs.org/incident/20100304030299I), Mar 4, 2010: Piper PA 46-350P (N4149R), West Chester, PA, Minor damage. While landing on runway 27 at brandywine airport with a right crosswind the pilot flying the aircraft touched down on the main wheels with crosswind control…
- [Incident 20100301029359I](https://openairdocs.org/incident/20100301029359I), Mar 1, 2010: Phd Venture VELOCITY TX (N57XP), Sebastian, FL, Minor damage. During takeoff climbout gear unsafe light, gear visually verified up, cycle gear with no improvement, smelled smoke, visual smoke in cabin, master and avionics…
- [Accident 20080422832149A](https://openairdocs.org/incident/20080422832149A), Apr 22, 2008: Piper PA46350P (N345RP), Chapel Hill, NC, Substantial damage. (-23) While landing at Chapel Hill, NC (igx), pilot was landing when windy conditions caused porpoising. On second or third touchdown, the aircraft nose gear…
- [Incident 20070908829709I](https://openairdocs.org/incident/20070908829709I), Sep 8, 2007: Piper PA32R301T (N121TF), Ocean City, MD, Minor damage. (-23) Aircraft departing from oxb, struck a deer. There was damage to the propeller and engine cowling. There was no other damage to the airframe. Aircraft…
- [Accident 20070519019569A](https://openairdocs.org/incident/20070519019569A), May 19, 2007: Piper PA46350P (N411MD), Indianapolis, IN, Substantial damage. (-23) 05/19/2007 At Indianapolis metro airport Piper malibu N411MD was involved in an accident. On landing on runway 15, the pilot reported no irregularities.…
- [Incident 20070225002869I](https://openairdocs.org/incident/20070225002869I), Feb 25, 2007: Piper PA46350P (N829AG), Las Vegas, NM, Minor damage. (-23) On February 26, 2007, at 1245 MST, a Piper pa 46-350P, N829AG, registered to the pilot, was forced off the runway by high winds on landing at klvs, Las…
- [Accident 20061031022989A](https://openairdocs.org/incident/20061031022989A), Oct 31, 2006: Piper PA32301XTC (N506C), San Marcos, TX, Substantial damage. (-23) On October 31, 2006, the private pilot of a Piper aircraft model PA-32-301, N506C, experienced some difficulty, while landing at hyi at San Marcos. The…
- [Accident 20060413005339A](https://openairdocs.org/incident/20060413005339A), Apr 13, 2006: Piper PA46350P (N82LL), Hope, NM, Substantial damage. (-23) On April 13, 2006, at 1629 local, N82LL, a Piper PA-46 registered to the pilot, experienced an engine failure while enroute to clovis, NM. The pilot…
- [Accident 20041209033579A](https://openairdocs.org/incident/20041209033579A), Dec 9, 2004: Piper PA32R301T (N587C), Glenwood, MN, Destroyed, 2 fatal. (-23) After attempting the GPS rwy 33 approach to the Glenwood, MN airport, N587C crashed on a heading of 150 degrees, 1.1 miles wnw of the airport while…
- [Accident 20041118035559A](https://openairdocs.org/incident/20041118035559A), Nov 18, 2004: Socata TB21 (N55510), Binghamton, NY, Substantial damage. (-23) Pilot departed wilkes-barre/scranton international airport (avp) on an instrument flight to Binghamton/greater Binghamton/Edwin a. Link field (bgm). On…
- [Accident 20041110029849A](https://openairdocs.org/incident/20041110029849A), Nov 10, 2004: Piper PA32R301T (N803ZG), Santa Barbara, CA, Destroyed, 3 fatal. (-23) On November 10, 2004, about 2200 pacific standard time, a Piper PA-32R-301T, N803ZG, cruised into trees and rising mountainous terrain about 17 nautical…

All 61: https://openairdocs.org/engine/lycoming-tio-540-series/incidents.md

## Service difficulty reports (340, newest 50)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2025FA0000370](https://openairdocs.org/sdr/2025FA0000370), May 20, 2025: ACTUATOR. BROKEN. WHILE CHECKING ELEVATOR TRIM CABLE TENSIONS, FOUND TENSIONS LOW. AFTER SETTING CORRECT TENSIONS, FOUND ELEVATOR TRIM TAB ACTUATOR SHAFT BROKEN AT CHAIN SPROCKET
- [SDR 2024FA0000200](https://openairdocs.org/sdr/2024FA0000200), Mar 5, 2024: MAGNETO. WORN. THE RT ENGINE WOULD NOT START OR EVEN FIRE. A STARTER VIBRATOR SYSTEM IS USED AND WAS FOUND TO BE FUNCTIONAL THROUGH TROUBLESHOOTING. THE LT MAGNETO WAS REMOVED
- [SDR 2020FA0000098](https://openairdocs.org/sdr/2020FA0000098), Dec 26, 2019: TORQUE LINK. SEPARATED. DURING INITIAL TAKEOFF ROLL OF THE DAY, THE UPPER NOSE GEAR TORQUE LINK SEPARATED FROM THE LOWER TORQUE LINK, ALLOWING THE NOSE WHEEL TO TURN SIDEWAYS. THE RESU
- [SDR EPUA201908087001](https://openairdocs.org/sdr/EPUA201908087001), Aug 7, 2019: PROBE. FALSE INDICATION. LEFT ENGINE CHT RED LINE IN CRUISE FLIGHT. REMOVED AND REPLACED LH ENGINE CHT PROBE IAW PA31 MM 77-20-03. OPS CHECK GOOD.
- [SDR 2020FA0000105](https://openairdocs.org/sdr/2020FA0000105), Apr 23, 2019: CAMSHAFT. GALLED. CAMSHAFT LOBES 1 AND 2 GALLING AND ERODED. REDUCED LOBE LIFT OF VALVES RESULTED IN LOSS OF PERFORMANCE. 
- [SDR 2020FA0000115](https://openairdocs.org/sdr/2020FA0000115), Apr 23, 2019: TURBOCHARGER. FAILED. TURBOCHARGER FAILURE DUE TO MAIN BEARING FAILURE. TURBOCHARGER LOCKED UP (FROZE) AND BLOCKED AIR TO THE INDUCTION SYSTEM. PIC DID NOT EXECUTE PROCEDURES IN THE 
- [SDR PAIR2018081074523](https://openairdocs.org/sdr/PAIR2018081074523), Aug 8, 2018: EXHAUST PIPE. SEPARATED. ENGINE EXHAUST CROSSOVER PIPING PARTIALLY SEPARATED CAUSING LOSS OF TURBOCHARGER BOOST, DAMAGING WIRING AND AIR CONDITIONER HOSES AT THE REAR OF THE ENGINE. ALS
- [SDR ZJW201802270001](https://openairdocs.org/sdr/ZJW201802270001), Dec 31, 2017: STUD. BROKEN. LEFT ENGINE FEATHERED DUE TO LOW OIL PRESSURE. NUMBER 2 CYLINDER STUDS BROKEN.
- [SDR 2017FA0000171](https://openairdocs.org/sdr/2017FA0000171), May 3, 2017: EXHAUST PIPE. BROKEN. CLIMBING THROUGH 13,000 MSL THE PILOT REPORTED A LOSS IN MANIFOLD PRESSURE ON THE LT ENGINE. RETURNED TO THE AIRPORT FOR A NORMAL LANDING. DURING INSPECTION, FO
- [SDR EPUA20170421001](https://openairdocs.org/sdr/EPUA20170421001), Apr 21, 2017: DRIVE SHAFT. SHEARED. ENGINE RPM DROPPED FROM 2200 TO 1900 DURING CRUISE. UNABLE TO CONTROL RPM ON LEFT ENGINE AFTER RPM DROP. PROP FEATHERED ON GROUND WHEN SHUTTING DOWN ENGINE. MAI
- [SDR VNFR2015102700507](https://openairdocs.org/sdr/VNFR2015102700507), Sep 21, 2015: DRAIN. COKED. PILOT REPORTED LOW OIL PRESSURE DURING FLIGHT. DECLARED EMERGENCY LANDING. UPON INSPECTION EXCESSIVE COKING WAS FOUND AT TURBOCHARGER DRAIN CAN. THIS PREVENTED 
- [SDR 2015FA0000277](https://openairdocs.org/sdr/2015FA0000277), Jun 11, 2015: FITTING. FRACTURED. UPON LANDING ROLLOUT, STUDENT PILOT REPORTED DIFFICULTY WITH NOSE WHEEL STEERING. AFTER TURNING OFF RUNWAY USING DIFFERENTIAL BRAKING, THE INSTRUCTOR PRESSED ON
- [SDR JIKA2015010802](https://openairdocs.org/sdr/JIKA2015010802), Jan 8, 2015: SEAL. LEAKING. DURING CLIMB OUT, THE PILOT REPORTED A LOSS IN MANIFOLD PRESSURE ON THE LT ENGINE. VISUALLY THE PILOT SAW SMOKE COMING FROM THE LT ENGINE. THE PILOT SHUTDOWN TH
- [SDR CA141202033](https://openairdocs.org/sdr/CA141202033), Nov 27, 2014: DRAG LINK. CRACKED. (CAN) DURING A 100 HR INSPECTION THE DRAG LINK FITTING SUPPORT TUBE ASSY WAS FOUND CRACKED AT THE AFT LOWER ATTACH BOLT HOLE.
- [SDR 2014FA0000659](https://openairdocs.org/sdr/2014FA0000659), Nov 15, 2014: FUEL LINE. BROKEN. DURING CRUISE FLIGHT, RT ENGINE NR 6 CYLINDER EGT AND CHT DROPPED TO ZERO DEGREES AT THE SAME TIME AN ENGINE VIBRATION STARTED. RT ENGINE WAS THEN SHUTDOWN AS A
- [SDR VDKG2014FA0000426](https://openairdocs.org/sdr/VDKG2014FA0000426), Jul 12, 2014: OIL FILTER. MISMANUFACTURED. INSTALLED NEW OIL FILTER AND FOUND THE OIL FILTER WAS FAULTY AND CAUSED THE ENGINE TO PUMP ALL OF THE OIL OUT OF THE ENGINE. OIL FILTER MOUNTING STUD WAS ONLY T
- [SDR CA140224025](https://openairdocs.org/sdr/CA140224025), Feb 20, 2014: BLADE. MISREPAIRED. (CAN) PROPELLER BLADES DEEM UNSERVICEABLE BY FACTORY DUE TO IMPROPER/UNAPPROVED SHOTPEENING BY LAST REPAIR SHOP.
- [SDR 2013FA0000460](https://openairdocs.org/sdr/2013FA0000460), May 21, 2013: SEAT TRACK. WORN. DURING LANDING, SEAT SUDDENLY SLID TO ITS FULL AFT POSITION, WAS NOT ABLE TO REACH CONTROLS. LT WING TIP DAMAGED ON THE UNDERSIDE FROM SCRAPING RUNWAY.
- [SDR 2013FA0000213](https://openairdocs.org/sdr/2013FA0000213), Apr 4, 2013: COTTER PIN. FAILED. LOST CONTROL FOR ENGINE POWER SETTINGS, DUE TO SEPARATION OF ENGINE CONTROL ROD END SEPARATING FROM POWER LEVER. CAUSE OF SEPARATION DUE TO FAILED COTTER PIN TH
- [SDR 2012FA0000675](https://openairdocs.org/sdr/2012FA0000675), Oct 5, 2012: BULKHEAD. CRACKED. ON REMOVEL OF THE VERTICAL STABILIZER AND REINFORCEMENT PLATE FROM THE AFT FUSELAGE BULKHEAD AT FS 317.75, A CRACK APPROXIMATELY .75 INCHES IN LENGTH WAS LOCATE
- [SDR 2012FA0000673](https://openairdocs.org/sdr/2012FA0000673), Oct 3, 2012: BULKHEAD. CRACKED. THE LT WING FORWARD BULKHEAD ASSY FOUND WITH CRACKS IN THE LOWER SECTIONS, EMULATING IN THE BEND RADIUS AND TABS USED FOR ATTACHMENT TO THE ACFT FLOOR STRUCTURE
- [SDR 2012FA0000635](https://openairdocs.org/sdr/2012FA0000635), Sep 15, 2012: BULKHEAD. CRACKED. FOUND THE LT WING FORWARD SPAR ATTACHMENT BULKHEAD ASSY, AND THE RIGHT ASSY, HAVE CRACKS IN THE LOWER SECTIONS OF THESE PARTS.
- [SDR 2012FA0000637](https://openairdocs.org/sdr/2012FA0000637), Sep 15, 2012: ACCESS PANEL. CORRODED. DURING AN ANNUAL INSPECTION, FOUND THAT THE ACCESS PANELS THAT COVER THE ACFT FUEL BOWLS, FUEL SELECTOR VALVES, AND ELECTRIC FUEL BOOST PUMPS HAVE CHAFED INTO T
- [SDR 2013FA0000110](https://openairdocs.org/sdr/2013FA0000110), Aug 16, 2012: BATTERY. FAILED. SEALED BATTERY DOES NOT HOLD A CHARGE. CONFIRMED BATTERY FAILED CAPACITANCE TEST AT LESS THAN 10 PERCENT. SENT BATTERY TO MFG FOR EVALUATION, WAS TOLD THAT THE 
- [SDR 2012FA0000388](https://openairdocs.org/sdr/2012FA0000388), Jun 21, 2012: BULKHEAD. CRACKED. DURING THE ACFT ANNUAL INSPECTION, FOUND FATIGUE CRACKS IN THE AFT FUSELAGE BULKHEAD AT STATION 332. THIS BULKHEAD IS ALSO THE WHERE THE MAIN SPARS OF HORIZONTA
- [SDR 2012FA0000443](https://openairdocs.org/sdr/2012FA0000443), Jun 21, 2012: WEDGE. LOOSE. PILOT REPORTED ROUGH MAGNETO CHECK. REMOVED RT MAGNETO AND FOUND COIL WEDGE LOOSE IN MAGNETO. SEVERAL TEETH WERE BROKEN ON DISTRIBUTOR GEAR. MAGNETO HAD ONLY 23
- [SDR 2012FA0000424](https://openairdocs.org/sdr/2012FA0000424), May 12, 2012: MOUNT. CRACKED. ON ANNUAL INSP, FOUND LT AND RT ENGINE TURBO MOUNTS CRACKED AT THE UPPER TURBO ATTACH POINT. PARTS WERE SENT BACK FOR REPAIR AND REINSTALLATION.
- [SDR JIKA2012050101](https://openairdocs.org/sdr/JIKA2012050101), May 1, 2012: MAGNETO. FAILED. PILOT REPORTED THAT "RIGHT ENGINE RUNNING ROUGH ON CLIMBOUT AT 4000 FT LOSS OF 200 RPM. RIGHT ENGINE FAILED MAGNETO CHECK AFTER LANDING. MAINTENANCE FOUND RIGHT
- [SDR EPUA20120308001](https://openairdocs.org/sdr/EPUA20120308001), Mar 6, 2012: DISTRIBUTOR BLK. DAMAGED. RT ENGINE RUNNING ROUGH OUTBOUND, MX FORUND THAT NR 2 ENGINE RT MAGNETO WENT TO CROSSFIRING. ENGINE WOULD NOT RUN WITH THIS MAG IN THE ON POSITION, DISTIBUTOR B
- [SDR C41R201112290108](https://openairdocs.org/sdr/C41R201112290108), Dec 28, 2011: TRANSDUCER. CONTAMINATED. PILOT REPORTED NO FUEL PRESSURE INDICATION ON DISPLAY. FOUND FUEL PRESSURE TRANSDUCER MOUNTED UNDER LT MAGNETO WITH WIRING FACING UP. INSPECTION REVEALED UNIT T
- [SDR KY7A2011121600011](https://openairdocs.org/sdr/KY7A2011121600011), Dec 16, 2011: EXHAUST DUCT. CRACKED. E2 DEGRADED FROM FULL POWER MP AT 25", AND FUEL FLOW IN BOUND WITH NO FREIGHT. AFTER DEPARTURE, NR 2 ENGINE WOULD ONLY PRODUCE 25" OF MP. FUEL FLOW WAS LOW. ADJ
- [SDR 2011FA0000580](https://openairdocs.org/sdr/2011FA0000580), Aug 15, 2011: POWERPACK. FAILED. LANDING GEAR HYD POWER PACK FAILED ON FIRST FLIGHT AFTER INSTALLATION. POWER PACK WAS O/H REF WO 3505.
- [SDR 3SVAN357SA4142011](https://openairdocs.org/sdr/3SVAN357SA4142011), Apr 14, 2011: WASTEGATE VALVE. STUCK. PILOT REPORTED LOSS OF TURBOCHARGER BOOST AND LOSS OF L/H EMERGENCY BOOST PUMP PRESSURE DURING CRUISE. ALSO REPORTED ENGINE BOOST AND FUEL PUMP OPERATIONS RETUR
- [SDR CEPA20110413001](https://openairdocs.org/sdr/CEPA20110413001), Apr 8, 2011: OIL COOLER. LEAKING. WHILE IN CRUISE FLIGHT, PILOT NOTICED SMOKE AND OIL COMING FROM THE TOP COWL LOUVERS OF THE RIGHT ENGINE NACELLE. HE REDUCED POWER, FEATHERED THE RIGHT PROP, AN
- [SDR 2011F00021](https://openairdocs.org/sdr/2011F00021), Jan 27, 2011: ACTUATOR. CORRODED. DURING SCHEDULED INSP OF ACFT, DETECTED WHAT APPEARED TO BE SLIGHT TO MODERATE SURFACE CORROSION ON STABILATOR TRIM ACTUATOR ARM ASSY. PROCEEDED TO REMOVE ASSY 
- [SDR 2011FA0000066](https://openairdocs.org/sdr/2011FA0000066), Jan 26, 2011: TUBE. CRACKED. HEATER FAILED PRESSURE DECAY TEST. CRACK IN BURNER TUBE, POSSIBLY CAUSED FROM TOO HIGH FUEL PRESSURE.
- [SDR BSYA2011004](https://openairdocs.org/sdr/BSYA2011004), Jan 11, 2011: BUSS. INOPERATIVE. GOING INTO AIRPORT, ACFT HAD A TOTAL AVIONICS FAILURE. MX FOUND BOTTOM CIRCUIT BREAKER BUSS INOP. FOUND LOOSE SCREW FEEDING BUSS, TIGHTENED SCREW, OPS CHECKS GO
- [SDR CA110125003](https://openairdocs.org/sdr/CA110125003), Jan 10, 2011: ENGINE. FLUCTUATES. IFSD CREW REPORTS STATE THAT DURING CLIMB, PASSING 11000 FT AT HIGH POWER, WHILE MONITORING TORQUE AND OIL PRESSURE FLUCTUATIONS THE ENGINE LOST OIL PRESSURE, W
- [SDR IRJ2011F00000](https://openairdocs.org/sdr/IRJ2011F00000), Dec 3, 2010: SOCKET. UNSECURE. PILOT REPORTED RT PROP CONTROL INOPERATIVE. INSP REVEALED THAT THE BALL, PN 54175-00, CAME OUT OF THE SOCKET, PN 31747-00, ON THE RT PROP CONTROL END AT THE GOV
- [SDR 2010FA0001214](https://openairdocs.org/sdr/2010FA0001214), Dec 2, 2010: CONNECTOR. BURNED. (QV0R) INSPECTED ACFT IAW SB NR 1004. FOUND HEATER WIRE BADLY BURNED AT MOLEX CONNECTOR E303 AS DESCRIBED IN THE "PURPOSE:" SECTION OF THE SB, HOWEVER WIRE WAS 
- [SDR 2011FA0000055](https://openairdocs.org/sdr/2011FA0000055), Nov 14, 2010: BOLT. BROKEN. THE BOLT ATTACHING THE LT MAIN GEAR UPPER DRAG LINK TO THE LOWER LINK ASSY BROKE AND THE LT MAIN GEAR STRUT ASSY FOLDED BACKWARDS IN THE LWR NACELLE STRUCTURE. 
- [SDR 2010FA0001223](https://openairdocs.org/sdr/2010FA0001223), Oct 22, 2010: TIRE. FAILED. DURING LANDING ROLL THE PILOT EXPERIENCED AN ABNORMAL DRAG TO THE LT, OBSERVED THE LT MAIN TIRE HAD GONE FLAT AND CAME TO A STOP ON THE RUNWAY. THE ACFT WAS THE
- [SDR 2010FA0001136](https://openairdocs.org/sdr/2010FA0001136), Sep 9, 2010: POWER SUPPLY. DISLODGED. DURING LANDING, OPERATOR COULD NOT REDUCE POWER OF THE ACFT. THE ACFT LANDED WITHOUT INCIDENT. INVESTIGATION REVEALED THAT THE ACFT HAD BEEN MODIFIED IAW STC SA
- [SDR 2010FA0000933](https://openairdocs.org/sdr/2010FA0000933), Sep 1, 2010: SPAR. CRACKED. RUDDER SPAR CRACKED AT UPPER HINGE FITTING.
- [SDR 2010FA0000934](https://openairdocs.org/sdr/2010FA0000934), Sep 1, 2010: SPAR. CRACKED. RUDDER SPAR CRACKED AT UPPER HINGE FITTING.
- [SDR 2010FA0000839](https://openairdocs.org/sdr/2010FA0000839), Aug 11, 2010: O-RING. BROKEN. PILOT REPORTED LOSS OF CONTROL OF PROPELLER CAUSING MOMENTARY OVERSPEED WHICH FORCED THE PILOT TO USE THE THROTTLE TO GAIN CONTROL. DISASSEMBLY OF PROPELLER REV
- [SDR 2010FA0000809](https://openairdocs.org/sdr/2010FA0000809), Jul 29, 2010: FITTING. CORRODED. OWNER STATED HE WAS CRUISING AT ALTITUDE, TAKING ON ICE, ACTIVATED THE DE-ICE BOOT FUNCTION AND THE ICE WAS NOT REMOVED FROM THE ACFT. AFTER MULTIPLE TRIES HE W
- [SDR 2010FA0000476](https://openairdocs.org/sdr/2010FA0000476), Apr 29, 2010: MOUNT. BROKEN. PILOT REPORTED STARTER MAKING A GRINDING NOISE. TROUBLESHOOTING REVEALED THE STARTER DRIVE GEAR NOT FULLY MESHING IN RING GEAR. FURTHER INVESTIGATION REVEALED M
- [SDR 2010FA0000241](https://openairdocs.org/sdr/2010FA0000241), Mar 8, 2010: TUBE. DEFECTIVE. NOSE TIRE WENT FLAT DURING TAXI FOR TAKEOFF. FOUND HOLE IN SIDEWALL OF TUBE. HAVE SEEN THIS DEFECT MANY TIMES IN NOSE AND MAIN TIRE TUBES IN THE LAST 12 MONTHS.
- [SDR ZB0R20100001](https://openairdocs.org/sdr/ZB0R20100001), Feb 23, 2010: CASE. CRACKED. OPERATOR REQUESTED TROUBLESHOOTING OF LOW OIL PRESSURE ON RT ENGINE. UPON REMOVAL OF RT ENG COWL, MECHANIC DISCOVERED OIL FILM ON LT SIDE OF ENG CASE. FURTHER I

All 340: https://openairdocs.org/engine/lycoming-tio-540-series/reports.md

## STCs that may be installed (OpenAirDocs) (39)

Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SE00825WI](https://openairdocs.org/stc/SE00825WI): Installation of Specialty Products Spin-on oil filter on Lycoming Engines. B & C Specialty Products Inc. Lists TIO-540-A1A
- [STC SE04349CH](https://openairdocs.org/stc/SE04349CH): Installation of SureFly electronic ignition. SureFly Partners Ltd. Lists TIO-540-A1A
- [STC SE01954SE](https://openairdocs.org/stc/SE01954SE): Installation of engine crankcase seal. Ly-Con Rebuilding Company. Lists TIO-540-A1A
- [STC SE02352CH](https://openairdocs.org/stc/SE02352CH): Installation of Challenger cleanable oil filter assembly. Challenger Aviation Products Inc. Lists TIO-540-A1A
- [STC SE00939WI](https://openairdocs.org/stc/SE00939WI): Installation of B&C Specialty Products Model BC 315-( ) Starter on Lycoming engines. B & C Specialty Products Inc. Lists TIO-540-A1A
- [STC SE2667CE](https://openairdocs.org/stc/SE2667CE): Installation of B&C Specialty Products lightweight (10.2 pounds) engine starter PN BC315-100-2(12 volt) or PN BC315-100-4 (24 volt). B & C Specialty Products Inc. Lists TIO-540-A1A
- [STC SE03309CH](https://openairdocs.org/stc/SE03309CH): Installation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt application. Hartzell Propeller Inc. Lists TIO-540-A1A
- [STC SE01436LA](https://openairdocs.org/stc/SE01436LA): Installation of Firewall Forward Technologies LLC modified camshaft. Centri-lube Technologies LLC. Lists TIO-540-A1A
- [STC SE04577CH](https://openairdocs.org/stc/SE04577CH): Install an electronic engine ignition system. Electroair Acquisition Corp. Lists TIO-540-A1A
- [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc. Lists TIO-540-A1A
- [STC SE8628SW](https://openairdocs.org/stc/SE8628SW): Installation of oil nozzles for lubrication of cam and filters. Cygnet Aerospace Corp. Lists TIO-540-A1A
- [STC SE04445AT](https://openairdocs.org/stc/SE04445AT): Installation of Continental Motors, Inc. (CMI) S-1200 Series Magnetos (10-349290-1 and 10-349310-1) and associated hardware. Continental Motors Inc. Lists TIO-540-AE2A
- [STC SE09445SC](https://openairdocs.org/stc/SE09445SC): Installation of fuel injector nozzles. General Aviation Modifications Inc
- [STC SE7503SW](https://openairdocs.org/stc/SE7503SW): Installation of any or all parts listed on Airmotive Engineering Drawing List No. 852-1, Rev. 1, dated 10/4/88, or later FAA approved revision. Continental Motors, Inc
- [STC SE7668SW](https://openairdocs.org/stc/SE7668SW): Installation of parts listed on Drawing List 8810-3, Rev 6. Continental Motors, Inc
- [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc
- [STC SE00226NY](https://openairdocs.org/stc/SE00226NY): Replacement of Lycoming starter with SKY-TEC 24-volt starter Models 149-24HT and 122-24HT. Approval limited to 24-volt DC source available to the starter. Hartzell Engine Technologies, LLC. Lists TIO-540-A1A
- [STC SE3329NM](https://openairdocs.org/stc/SE3329NM): Lycoming valve cover gasket. Real Gaskets Tennessee. Lists TIO-540-A1A
- [STC SE01211SE](https://openairdocs.org/stc/SE01211SE): Installation of the Merlyn Products Inc. turbocharger system. Merlyn Products Inc. Lists TIO-540-AE2A
- [STC SE2569NM](https://openairdocs.org/stc/SE2569NM): Relocation of Turbocharger, intercooler, fuel control unit, and upper engine mounts plus associated changes. Javelin Conversions Inc. Lists TIO-540-V2AD
- [STC SE02436AT](https://openairdocs.org/stc/SE02436AT): Installation of 200F series fuel pump assembly. Kelly Aerospace Energy Systems LLC. Lists TIO-540-A1A
- [STC SE02555AT](https://openairdocs.org/stc/SE02555AT): Consolidated Fuel Systems 201F series fuel pump assembly on various Textron Lycoming engine models. Kelly Aerospace Energy Systems LLC. Lists TIO-540-A2B
- [STC SE8193SW](https://openairdocs.org/stc/SE8193SW): Grind nitriden high compression cylinder barrles to plus .010 oversize and install SL75089 P10 piston, SL74242 P10 compression ring, and SL73857 P10 oil ring. Superior Air Parts Inc. Lists TIO-540-G1A
- [STC SE445GL](https://openairdocs.org/stc/SE445GL): Incorporation of a fuel flow transducer. Shadin Avionics. Lists TIO-540-A1A
- [STC SE01930NY](https://openairdocs.org/stc/SE01930NY): Installation of Casper Labs 90 degree oil filter housing adapter. Casper Labs Inc. Lists TIO-540-A1A
- [STC SE1779NM](https://openairdocs.org/stc/SE1779NM): Installation of Precise Flight, Inc. Standby Vacuum System SVS III. Precise Flight Inc. Lists TIO-540-A1A
- [STC SE5743NM](https://openairdocs.org/stc/SE5743NM): Intallation of adapter for externally mounted oil filter. Aviation Development Corporation. Lists TIO-540-A1A
- [STC SE3177NM](https://openairdocs.org/stc/SE3177NM): Installation of Machin, Inc. intercooler & associated systems. American Aviation Inc. Lists TIO-540-A1A
- [STC SE978NW](https://openairdocs.org/stc/SE978NW): Installation of a Garrett AiResearch Model T18A21 or T18A95 turbocharger with Machen Inc intercooler and associated systems. Machen Inc. Lists TIO-540-J2BD
- [STC SE09492SC](https://openairdocs.org/stc/SE09492SC): Installation and usage of Exxon 20W50 multigrade aircraft engine oil conforming to Exxon Oil formulation WS-3013. Exxon Company USA
- [STC SE00350SE](https://openairdocs.org/stc/SE00350SE): Installation of sump mounted chip detector. Aviation Development Corporation. Lists TIO-540-A1A
- [STC SE7674SW](https://openairdocs.org/stc/SE7674SW): Grind nitrided cylinder barrels plus .010 over size pistons, to .010 and install SL10545P10 SL74241P10 compression rings and SL73857P10 Oil Control rings. Superior Air Parts, Inc. Lists TIO-540-A1A
- [STC SE8023SW](https://openairdocs.org/stc/SE8023SW): Installation and usage of AEROSHELL. Shell Development Co
- [STC SE3762NM](https://openairdocs.org/stc/SE3762NM): Installation of modified oil filter adapter. Enhance, Inc. Lists TIO-540-J2BD
- [STC SE5879SW](https://openairdocs.org/stc/SE5879SW): Use of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP. Phillips Petroleum Co
- [STC SE244NE](https://openairdocs.org/stc/SE244NE): Installation of Mattituck plasma flame sprayed cylinder barrels in Teledyne reciprocating engines. Mattituck Airbase, Inc
- [STC SE80NE](https://openairdocs.org/stc/SE80NE): Installation and usage of Bel-Ray synthetic aviation oil, Bel-Ray Aero 1, (nonsupercharged), horizontally opposed direct drive, aircraft engines of 350 hp. or less. Bel-Ray Company, Inc
- [STC SE128NE](https://openairdocs.org/stc/SE128NE): Use of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines. AMS/OIL
- [STC SA01436DE](https://openairdocs.org/stc/SA01436DE) (historical): Installation of Firewall Forward Technologies, LLC modified camshaft. Centri-Lube Technologies LLC. Lists TIO-540-A1A

## PMA parts (OpenAirDocs) (over 1,000, first 50)

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first.

- [ES10-35937-24](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197935247820251216184356.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-35937-24 · Nov 10, 2025
- [ES10-349242](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191126541120251216184408.0001): Gear, Spur, 1200 Series, 6-Cyl. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349242 · Nov 10, 2025
- [ES10-349221](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID187202026820251216184358.0001): Stud, Hex 10-32. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349221 · Nov 10, 2025
- [ES66M19385](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186804045820251216184409.0001): Clamp, Magneto. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 66M19385 · Nov 10, 2025
- [ES-349290-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184368314320251216184349.0001): Magneto Assembly, S-1200 Series, 6 Cyl. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349290-1, BL-349290-1, S6LN-1208 · Nov 10, 2025
- [ES10-400567](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182838314420251216184405.0001): Bearing, Ball. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-400567 · Nov 10, 2025
- [ES1351-3LE24P](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178929692820251216184410.0001): Screw, Self-Locking. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces NAS1351-3LE24P · Nov 10, 2025
- [ES10-349328](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID177093371120251216184403.0001): Flat Washer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349328 · Nov 10, 2025
- [ES10-78655](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175652115720251216184359.0001): Washer, Flat. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-78655 · Nov 10, 2025
- [ES10-349249](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID172741321620251216184404.0001): Washer, Bowed. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349249 · Nov 10, 2025
- [ES10-180046-28](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170373951520251216184357.0001): Sleeve, Clear. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-180046-28 · Nov 10, 2025
- [ES10-349243-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168450546720251216184401.0001): Cam, 1200. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349243-2 · Nov 10, 2025
- [ES-349310-8](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164135450720251216184352.0001): Magneto Assembly, S-1200 Series, 6 Cyl. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces LW-349310-8, LW-349310-8D… · Nov 10, 2025
- [ES10-349247](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155835169920251216184407.0001): Retainer, Bearing. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349247 · Nov 10, 2025
- [ES10-90351-9](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149017542820251216184411.0001): O-Ring. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-90351-9 · Nov 10, 2025
- [ES10-78655](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148578074420251216184359.0001): Washer, Flat. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-78655 · Nov 10, 2025
- [ES66M19385](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148017502420251216184409.0001): Clamp, Magneto. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 66M19385 · Nov 10, 2025
- [ES-349310-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID134411482320251216184352.0001): Magneto Assembly, S-1200 Series, 6 Cyl. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349310-1, BL-349310-1, S6LN-1209 · Nov 10, 2025
- [ES10-35937-24](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131353354520251216184356.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-35937-24 · Nov 10, 2025
- [ES10-391391](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID129491715020251216184411.0001): Gasket, 1200 Harness. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-391391 · Nov 10, 2025
- [ES10-180046-28](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID124932865220251216184357.0001): Sleeve, Clear. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-180046-28 · Nov 10, 2025
- [ES-349290-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID124195582920251216184349.0001): Magneto Assembly, S-1200 Series, 6 Cyl. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces LW-349290-1, LW-349290-1D, 75454… · Nov 10, 2025
- [ES10-349247](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID123413721520251216184406.0001): Retainer, Bearing. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349247 · Nov 10, 2025
- [ES10-5752](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID123190322120251216184400.0001): Cable, Clip. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-5752 · Nov 10, 2025
- [ES-349310-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117952123520251216184351.0001): Magneto Assembly, S-1200 Series, 6 Cyl. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces LW-349310-1, LW-349310-1D, 75453… · Nov 10, 2025
- [ES10-391401](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117542090920251216184412.0001): Gasket. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-391401 · Nov 10, 2025
- [ES-349370-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117076779520251216184355.0001): Magneto Assembly, S-1200 Series, 6 Cyl. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces LW-349370-4, LW-349370-4D, 75453… · Nov 10, 2025
- [ES10-5752](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID115793636520251216184401.0001): Cable, Clip. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-5752 · Nov 10, 2025
- [ES10-349328](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID114147850320251216184403.0001): Flat Washer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349328 · Nov 10, 2025
- [ES10-349249](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID113112716820251216184404.0001): Washer, Bowed. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349249 · Nov 10, 2025
- [ES10-349221](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111222593020251216184358.0001): Stud, Hex 10-32. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349221 · Nov 10, 2025
- [ES10-349242](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID110743662720251216184408.0001): Gear, Spur, 1200 Series, 6-Cyl. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349242 · Nov 10, 2025
- [ES10-349243-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID108636864620251216184402.0001): Cam, 1200. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349243-2 · Nov 10, 2025
- [ES10-400567](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID105498904920251216184405.0001): Bearing, Ball. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-400567 · Nov 10, 2025
- [AB-160844](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100141747720251216184413.0001): Spring & Brush Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-160844 · Nov 10, 2025
- [OC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178549155320250923184433.0001): Oil Cooler Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Sep 12, 2025
- [CFRS16803-137](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135831136720251002184910.0001): Liner. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces RS16803-137 · Sep 2, 2025
- [AE45BS](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID187750711420250908153020.0001): Brush Rack Assembly. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number ALU1045BS · Aug 27, 2025
- [AE943](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185624017520250908153027.0001): Rotor Shaft. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number ALU-228 · Aug 27, 2025
- [AE1003](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID179565848920250908153019.0001): Drive End Housing. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number A2E1003K · Aug 27, 2025
- [AE45BS-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID173583138520250908153031.0001): Brush Rack Assembly. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number ALU-1045BS · Aug 27, 2025
- [AE2241](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID127316494620250908153022.0001): Fan Assembly. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number 90-2241 · Aug 27, 2025
- [AE1132](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103582853720250908153023.0001): Slip Ring End Housing. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Numbers ALK-1132AS… · Aug 27, 2025
- [AE45BS-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID102351889020250908153032.0001): Brush Rack Assembly. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number ALU-1045BS · Aug 27, 2025
- [SL6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151538433320250923185921.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Aug 4, 2025
- [TXPL6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146504457020250923185923.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Aug 4, 2025
- [HSS](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID104096221220250923185925.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Aug 4, 2025
- [RA7791ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148564474720250127211204.0001): Rotor, Pump. Aircraft Component Design LLC · PMA PQ2138NE · Replaces RA7791 · Jan 6, 2025
- [CFRB9089](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126352418220250312124924.0001): Valve, Poppet Relief. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces RB9089 · Dec 31, 2024
- [FFT-PLG-003](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID195538759920240801144311.0001): Cam End Plug. Centri-Lube Technologies LLC · PMA PQ2043NM · Modification part · Jul 16, 2024

All of them: https://openairdocs.org/engine/lycoming-tio-540-series/pma.md

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.