# Lycoming 0-540 series

- Type: Engine model (FAA registry)
- Registry code: 41532
- Manufacturer (registry): LYCOMING
- Model: 0-540 SERIES
- Engine type: Reciprocating
- Power: 250 hp
- Data sheet: [TCDS E-295](https://openairdocs.org/tcds/E-295) (OpenAirDocs)
- Holder: Lycoming Engines
- Installed in: 5,228 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-0-540-series

The registry names only the engine series, so ADs for every model in the series are matched.

## 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 2026-17-10](https://openairdocs.org/ad/2026-17-10): Reciprocating Engine Cylinder Section · Lycoming Engines O-235, O-235-A, O-235-AP and 159 more. Effective Sep 14, 2026
- [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 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 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 2012-03-07](https://openairdocs.org/ad/2012-03-07): Carburetor · Lycoming Engines GO-435, GO-435-C2 (O-435-17), GO-435-C2A and 389 more. Effective Mar 27, 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 2007-04-19 R1](https://openairdocs.org/ad/2007-04-19-R1): SAP cylinder assemblies · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 314 more. Effective May 7, 2007
- [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 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 99-04-04](https://openairdocs.org/ad/99-04-04): Impulse Coupling Pawl · Lycoming Engines IO-540-K1A5, IO-540-K1B5, IO-540-K1G5 and 6 more. Effective Feb 25, 1999
- [AD 99-03-05](https://openairdocs.org/ad/99-03-05): Crankshaft Gear Retaining Bolts · Lycoming Engines O-540-F1B5. Effective Feb 18, 1999
- [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 96-23-03](https://openairdocs.org/ad/96-23-03): High pressure fuel pumps · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 174 more. Effective Dec 23, 1996
- [AD 96-09-10](https://openairdocs.org/ad/96-09-10): Oil pump · Lycoming Engines AEIO-320-E1A, AEIO-320-E1B, AEIO-320-E2A and 334 more. Effective Jul 15, 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 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 89-04-02](https://openairdocs.org/ad/89-04-02): Carburetors · Continental Motors O-470-11, O-470-11-CI, O-470-11B and 175 more. Effective Mar 8, 1989
- [AD 79-08-06](https://openairdocs.org/ad/79-08-06): Carburetors · Lycoming Engines O-540-L3C5D and Carburetors. Effective Apr 25, 1979
- [AD 75-08-09](https://openairdocs.org/ad/75-08-09): Oil Pump Drive Shaft · Lycoming Engines AEIO-360-A1B, AEIO-360-A1B6, AEIO-360-A1C and 365 more. Effective Aug 18, 1977
- [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 69-24-03](https://openairdocs.org/ad/69-24-03): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 321 more. Effective Nov 29, 1969
- [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
- [AD 66-20-04](https://openairdocs.org/ad/66-20-04): Oil Filter Adapter Gasket · Lycoming Engines IO-320-A1A, IO-320-A2A, IO-320-B1A and 121 more. Effective Aug 27, 1966
- [AD 66-14-03](https://openairdocs.org/ad/66-14-03): Crankshaft Idler Shafts · Lycoming Engines O-540-B2B5. Effective Jul 9, 1966
- [AD 64-16-05](https://openairdocs.org/ad/64-16-05): AC Pumps · Lycoming Engines HIO-360-B1A, HIO-360-B1B, IO-320-B1A and 86 more. Effective Jul 10, 1964
- [AD 63-22-03](https://openairdocs.org/ad/63-22-03): Carburetors · Continental Motors GO-300-A, GO-300-B, GO-300-C and 143 more. Effective Dec 2, 1963
- [AD 63-14-03](https://openairdocs.org/ad/63-14-03): Oil Pump Drive Shaft · Lycoming Engines IO-540-A1A5, IO-540-B1A5, IO-540-B1B5 and 21 more. Effective Jul 6, 1963
- [AD 59-10-07](https://openairdocs.org/ad/59-10-07): Cylinder Baffle Clamps · Lycoming Engines GO-480-A1A, GO-480-B, GO-480-B1A6 and 58 more

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 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 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 2002-23-06](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 2000-18-53](https://openairdocs.org/ad/2000-18-53) (historical): Oil Filter Converter Plate Gaskets · Textron Lycoming, AVCO AEIO-540, IO-360-A1B6D, IO-360-A1D6D and 73 more
- [AD 81-18-04 R2](https://openairdocs.org/ad/81-18-04-R2) (historical): Engine Oil Pump Driven Impeller and Shaft · Textron Lycoming, AVCO AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 376 more. Effective Jun 7, 1982

## 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-13-06](https://openairdocs.org/saib/NE-13-06): Pushrod Shroud Spring Retainers, Engine Components Part No. AEL14995, for Lycoming Engines 320, 360, and 540 Series Engines. Issued Nov 21, 2012
- [SAIB NE-08-26R3](https://openairdocs.org/saib/NE-08-26R3): Magneto/Distributor. Issued Mar 31, 2011
- [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-05-40](https://openairdocs.org/saib/NE-05-40): . Issued Mar 18, 2005
- [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

## Registered aircraft (5,228, first 50)

- [N1002H](https://openairdocs.org/aircraft/N1002H): [Smith Michael S](https://openairdocs.org/faa-owner/SMITH%20MICHAEL%20S), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1997, S/N 23038C
- [N1007U](https://openairdocs.org/aircraft/N1007U): [Kallam Jerry](https://openairdocs.org/faa-owner/KALLAM%20JERRY), [Palmer, AK](https://openairdocs.org/faa-place/AK/Palmer), built 1998, S/N 23047C
- [N1008W](https://openairdocs.org/aircraft/N1008W): [Ray Jonas](https://openairdocs.org/faa-owner/RAY%20JONAS), [Palmer, AK](https://openairdocs.org/faa-place/AK/Palmer), S/N 23022C
- [N100LG](https://openairdocs.org/aircraft/N100LG): [Flyd Pipers Inc](https://openairdocs.org/faa-owner/FLYD%20PIPERS%20INC), [Dyer, IN](https://openairdocs.org/faa-place/IN/Dyer), built 1980, S/N 28-8011113
- [N100QB](https://openairdocs.org/aircraft/N100QB): [Shutt Ryan T](https://openairdocs.org/faa-owner/SHUTT%20RYAN%20T), [Eden, NY](https://openairdocs.org/faa-place/NY/Eden), built 1979, S/N R18201185
- [N1018H](https://openairdocs.org/aircraft/N1018H): [Gulf Air Group Inc](https://openairdocs.org/faa-owner/GULF%20AIR%20GROUP%20INC), [Crestview, FL](https://openairdocs.org/faa-place/FL/Crestview), built 1980, S/N R18201649
- [N101DH](https://openairdocs.org/aircraft/N101DH): [Larson David R](https://openairdocs.org/faa-owner/LARSON%20DAVID%20R), [Boerne, TX](https://openairdocs.org/faa-place/TX/Boerne), built 1960, S/N 24-1833
- [N101NE](https://openairdocs.org/aircraft/N101NE): [Darby Flying Corp](https://openairdocs.org/faa-owner/DARBY%20FLYING%20CORP), [Homestead, FL](https://openairdocs.org/faa-place/FL/Homestead), built 1973, S/N 201
- [N101NW](https://openairdocs.org/aircraft/N101NW): [Vortex Aircrafts Inc](https://openairdocs.org/faa-owner/VORTEX%20AIRCRAFTS%20INC), [Port Saint Lucie, FL](https://openairdocs.org/faa-place/FL/Port%20Saint%20Lucie), built 1961, S/N 27-475
- [N101TV](https://openairdocs.org/aircraft/N101TV): [Sky Helicopters Inc](https://openairdocs.org/faa-owner/SKY%20HELICOPTERS%20INC), [Garland, TX](https://openairdocs.org/faa-place/TX/Garland), built 1998, S/N 0475
- [N101YT](https://openairdocs.org/aircraft/N101YT): [Jagt Terrence L](https://openairdocs.org/faa-owner/JAGT%20TERRENCE%20L), [Crestline, CA](https://openairdocs.org/faa-place/CA/Crestline), built 1973, S/N 28-7310080
- [N1023X](https://openairdocs.org/aircraft/N1023X): [Bickley David R](https://openairdocs.org/faa-owner/BICKLEY%20DAVID%20R), [Pocatello, ID](https://openairdocs.org/faa-place/ID/Pocatello), built 1975, S/N 28-7510074
- [N1030Z](https://openairdocs.org/aircraft/N1030Z): [Lenhart Thomas E](https://openairdocs.org/faa-owner/LENHART%20THOMAS%20E), [Barnesville, GA](https://openairdocs.org/faa-place/GA/Barnesville), built 1997, S/N 23041C
- [N1036N](https://openairdocs.org/aircraft/N1036N): [Kovaleski Thomas J](https://openairdocs.org/faa-owner/KOVALESKI%20THOMAS%20J), [Chugiak, AK](https://openairdocs.org/faa-place/AK/Chugiak), built 1997, S/N 23035C
- [N103AS](https://openairdocs.org/aircraft/N103AS): [Hill Bryan Thomas](https://openairdocs.org/faa-owner/HILL%20BRYAN%20THOMAS), [Page, AZ](https://openairdocs.org/faa-place/AZ/Page), built 1979, S/N R18200923
- [N103KC](https://openairdocs.org/aircraft/N103KC): [Lang Elmer N](https://openairdocs.org/faa-owner/LANG%20ELMER%20N), [Hemphill, TX](https://openairdocs.org/faa-place/TX/Hemphill), built 1979, S/N 28-7911238
- [N1047Y](https://openairdocs.org/aircraft/N1047Y): [Donato Deleonardis](https://openairdocs.org/faa-owner/DONATO%20DELEONARDIS), [Paulden, AZ](https://openairdocs.org/faa-place/AZ/Paulden), built 1997, S/N 25016C
- [N10480](https://openairdocs.org/aircraft/N10480): [Piper 66 LLC](https://openairdocs.org/faa-owner/PIPER%2066%20LLC), [Kirksville, MO](https://openairdocs.org/faa-place/MO/Kirksville), built 1966, S/N 32-279
- [N1048T](https://openairdocs.org/aircraft/N1048T): [Trotter Thomas J](https://openairdocs.org/faa-owner/TROTTER%20THOMAS%20J), [Bremerton, WA](https://openairdocs.org/faa-place/WA/Bremerton), built 1997, S/N 23037C
- [N1048X](https://openairdocs.org/aircraft/N1048X): [Raven Aircraft LLC](https://openairdocs.org/faa-owner/RAVEN%20AIRCRAFT%20LLC), [Waynesville, OH](https://openairdocs.org/faa-place/OH/Waynesville), S/N 25043C
- [N104DM](https://openairdocs.org/aircraft/N104DM): [Mcalee Dennis E](https://openairdocs.org/faa-owner/MCALEE%20DENNIS%20E), [Defiance, MO](https://openairdocs.org/faa-place/MO/Defiance), built 1984, S/N 1DM
- [N105AA](https://openairdocs.org/aircraft/N105AA): [Wehrmacher James P](https://openairdocs.org/faa-owner/WEHRMACHER%20JAMES%20P), [Crawford, CO](https://openairdocs.org/faa-place/CO/Crawford), built 1978, S/N R18200483
- [N105DY](https://openairdocs.org/aircraft/N105DY): [Yeager Daniel C](https://openairdocs.org/faa-owner/YEAGER%20DANIEL%20C), [Iowa City, IA](https://openairdocs.org/faa-place/IA/Iowa%20City), built 1966, S/N 32-467
- [N1061Q](https://openairdocs.org/aircraft/N1061Q): [Lbdd Enterprises 61q LLC](https://openairdocs.org/faa-owner/LBDD%20ENTERPRISES%2061Q%20LLC), [Pittsburgh, PA](https://openairdocs.org/faa-place/PA/Pittsburgh), built 1977, S/N 32-7200015
- [N106J](https://openairdocs.org/aircraft/N106J): [Linder Michael A](https://openairdocs.org/faa-owner/LINDER%20MICHAEL%20A), [Arvada, CO](https://openairdocs.org/faa-place/CO/Arvada), built 1961, S/N 24-2668
- [N106JL](https://openairdocs.org/aircraft/N106JL): [Music City Air LLC](https://openairdocs.org/faa-owner/MUSIC%20CITY%20AIR%20LLC), [Rogersville, AL](https://openairdocs.org/faa-place/AL/Rogersville), built 1963, S/N 27-2416
- [N106NA](https://openairdocs.org/aircraft/N106NA): [Vann-Tage Point Aviation LLC](https://openairdocs.org/faa-owner/VANN-TAGE%20POINT%20AVIATION%20LLC), [New Castle, DE](https://openairdocs.org/faa-place/DE/New%20Castle), S/N 32-704
- [N106RM](https://openairdocs.org/aircraft/N106RM): [Advanced Aviation Solutions LLC](https://openairdocs.org/faa-owner/ADVANCED%20AVIATION%20SOLUTIONS%20LLC), [Jasper, IN](https://openairdocs.org/faa-place/IN/Jasper), built 1983, S/N R18201932
- [N107AK](https://openairdocs.org/aircraft/N107AK): [Lazzaro Chris C](https://openairdocs.org/faa-owner/LAZZARO%20CHRIS%20C), [Solvang, CA](https://openairdocs.org/faa-place/CA/Solvang), built 1988, S/N 4055C
- [N107RH](https://openairdocs.org/aircraft/N107RH): [Henderson Robert T Jr](https://openairdocs.org/faa-owner/HENDERSON%20ROBERT%20T%20JR), [Sunny Isles Beach, FL](https://openairdocs.org/faa-place/FL/Sunny%20Isles%20Beach), built 1977, S/N R18200093
- [N108SG](https://openairdocs.org/aircraft/N108SG): [Vahsholtz Matthew James](https://openairdocs.org/faa-owner/VAHSHOLTZ%20MATTHEW%20JAMES), [Conroe, TX](https://openairdocs.org/faa-place/TX/Conroe), built 1958, S/N 24-149
- [N10CR](https://openairdocs.org/aircraft/N10CR): [Carlile Aviation LLC](https://openairdocs.org/faa-owner/CARLILE%20AVIATION%20LLC), [Peculiar, MO](https://openairdocs.org/faa-place/MO/Peculiar), built 1981, S/N R18201808
- [N10DT](https://openairdocs.org/aircraft/N10DT): [Bernath Jacob D](https://openairdocs.org/faa-owner/BERNATH%20JACOB%20D), [Indianapolis, IN](https://openairdocs.org/faa-place/IN/Indianapolis), built 1978, S/N TSB-1
- [N10G](https://openairdocs.org/aircraft/N10G): [Ramsey Wayne](https://openairdocs.org/faa-owner/RAMSEY%20WAYNE), [Abilene, TX](https://openairdocs.org/faa-place/TX/Abilene), built 1979, S/N R18201161
- [N10NW](https://openairdocs.org/aircraft/N10NW): [Linzey David Wayne](https://openairdocs.org/faa-owner/LINZEY%20DAVID%20WAYNE), [Boone, NC](https://openairdocs.org/faa-place/NC/Boone), built 1963, S/N 24-3548
- [N10SG](https://openairdocs.org/aircraft/N10SG): [Branyan Tyson E](https://openairdocs.org/faa-owner/BRANYAN%20TYSON%20E), [Cushing, OK](https://openairdocs.org/faa-place/OK/Cushing), built 1960, S/N 24-2112
- [N10SY](https://openairdocs.org/aircraft/N10SY): [Bellany Mark A](https://openairdocs.org/faa-owner/BELLANY%20MARK%20A), [Freeville, NY](https://openairdocs.org/faa-place/NY/Freeville), S/N 7487C
- [N10TU](https://openairdocs.org/aircraft/N10TU): [Action Aviation LLC](https://openairdocs.org/faa-owner/ACTION%20AVIATION%20LLC), [Idaho Falls, ID](https://openairdocs.org/faa-place/ID/Idaho%20Falls), built 1982, S/N 18268195
- [N110DG](https://openairdocs.org/aircraft/N110DG): [Rawls Thomas R](https://openairdocs.org/faa-owner/RAWLS%20THOMAS%20R), [Cincinnati, OH](https://openairdocs.org/faa-place/OH/Cincinnati), built 1990, S/N 1
- [N110LF](https://openairdocs.org/aircraft/N110LF): [Comanche Flyer Foundation Inc](https://openairdocs.org/faa-owner/COMANCHE%20FLYER%20FOUNDATION%20INC), [Blaine, WA](https://openairdocs.org/faa-place/WA/Blaine), S/N 24-695
- [N11131](https://openairdocs.org/aircraft/N11131): [Gaglioti John](https://openairdocs.org/faa-owner/GAGLIOTI%20JOHN), [Monterey, CA](https://openairdocs.org/faa-place/CA/Monterey), built 1983, S/N R18201942
- [N11151](https://openairdocs.org/aircraft/N11151): [Kowest Aviation LLC](https://openairdocs.org/faa-owner/KOWEST%20AVIATION%20LLC), [Enid, OK](https://openairdocs.org/faa-place/OK/Enid), built 1959, S/N 24-1631
- [N111AJ](https://openairdocs.org/aircraft/N111AJ): [Bergin Donald M](https://openairdocs.org/faa-owner/BERGIN%20DONALD%20M), [Ormond Beach, FL](https://openairdocs.org/faa-place/FL/Ormond%20Beach), built 1972, S/N 32-7200041
- [N111FC](https://openairdocs.org/aircraft/N111FC): [Woody Air LLC](https://openairdocs.org/faa-owner/WOODY%20AIR%20LLC), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach), built 1968, S/N 32-1030
- [N111FF](https://openairdocs.org/aircraft/N111FF): [Gutierrez Isaias](https://openairdocs.org/faa-owner/GUTIERREZ%20ISAIAS), [Fontana, CA](https://openairdocs.org/faa-place/CA/Fontana), S/N R18200807
- [N111LU](https://openairdocs.org/aircraft/N111LU): [Schaefer Robert Lee](https://openairdocs.org/faa-owner/SCHAEFER%20ROBERT%20LEE), [Orange, CA](https://openairdocs.org/faa-place/CA/Orange), built 1979, S/N 28-7911091
- [N111MB](https://openairdocs.org/aircraft/N111MB): [Tinder John A](https://openairdocs.org/faa-owner/TINDER%20JOHN%20A), [Rancho Cucamonga, CA](https://openairdocs.org/faa-place/CA/Rancho%20Cucamonga), built 1981, S/N 28-8211003
- [N111SL](https://openairdocs.org/aircraft/N111SL): [Kaehlert Lottie DBA](https://openairdocs.org/faa-owner/KAEHLERT%20LOTTIE%20DBA), [Rifle, CO](https://openairdocs.org/faa-place/CO/Rifle), S/N 24-2532
- [N1126C](https://openairdocs.org/aircraft/N1126C): [Briggs Jonathan](https://openairdocs.org/faa-owner/BRIGGS%20JONATHAN), [Merritt Island, FL](https://openairdocs.org/faa-place/FL/Merritt%20Island), built 1981, S/N R18201689
- [N112CP](https://openairdocs.org/aircraft/N112CP): [Bradley Aviation LLC](https://openairdocs.org/faa-owner/BRADLEY%20AVIATION%20LLC), [Columbus, IN](https://openairdocs.org/faa-place/IN/Columbus), built 2001, S/N 18062C

All 5,228: https://openairdocs.org/engine/lycoming-0-540-series/aircraft.md

## NTSB investigations (3,544, newest 50)

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 CEN27LA019](https://openairdocs.org/ntsb/CEN27LA019), Oct 18, 2026: Piper PA-28-235 (N8759W), Cedar Rapids, IA, investigation ongoing
- [NTSB WPR27LA003](https://openairdocs.org/ntsb/WPR27LA003), Oct 3, 2026: Maule M-5-235C (N56328), Agua Dulce, CA, substantial damage, investigation ongoing
- [NTSB ANC26LA096](https://openairdocs.org/ntsb/ANC26LA096), Sep 1, 2026: Cessna R182 (N6346T), Lebanon, TN, investigation ongoing
- [NTSB ERA26LA321](https://openairdocs.org/ntsb/ERA26LA321), Aug 30, 2026: Cessna R182 (N756EB), Clarksville, TN, substantial damage, investigation ongoing
- [NTSB ERA26LA312](https://openairdocs.org/ntsb/ERA26LA312), Aug 21, 2026: Piper PA24 (N6969P), Fort Washington, MD, substantial damage, investigation ongoing
- [NTSB ERA26LA358](https://openairdocs.org/ntsb/ERA26LA358), Aug 10, 2026: Piper PA24 (N6985P), Union City, OH, substantial damage, investigation ongoing
- [NTSB ANC26LA080](https://openairdocs.org/ntsb/ANC26LA080), Aug 6, 2026: Piper PA-32-260 (N8791E), Pinetown, NC, substantial damage, investigation ongoing
- [NTSB ERA26LA259](https://openairdocs.org/ntsb/ERA26LA259), Jul 6, 2026: Maule M-5-235C (N9103E), Hickman, KY, substantial damage. Probable cause: The pilot’s failure to maintain a proper glide path, which resulted in a runway undershoot.
- [NTSB CEN26LA242](https://openairdocs.org/ntsb/CEN26LA242), Jul 4, 2026: Piper PA-25-235 (N386AB), Forest Lake, MN, substantial damage, investigation ongoing
- [NTSB ERA26FA252](https://openairdocs.org/ntsb/ERA26FA252), Jun 28, 2026: Piper PA24 (N6852P), Hazen, ND, destroyed, 1 fatal, investigation ongoing
- [NTSB WPR26FA224](https://openairdocs.org/ntsb/WPR26FA224), Jun 20, 2026: Piper PA-24-250 (N6403P), Middlefield, OH, substantial damage, 3 fatal, investigation ongoing
- [NTSB ANC26LA053](https://openairdocs.org/ntsb/ANC26LA053), Jun 14, 2026: Piper PA-28-235 (N15564), Key West, FL, substantial damage, investigation ongoing
- [NTSB ERA26LA234](https://openairdocs.org/ntsb/ERA26LA234), Jun 8, 2026: Robinson Helicopter R44 (N144CD), Mayesville, SC, substantial damage. Probable cause: The pilot’s failure to remain clear of a power line during an aerial application flight.
- [NTSB CEN26LA211](https://openairdocs.org/ntsb/CEN26LA211), Jun 1, 2026: Piper PA-28-235 (N15291), Montevideo, MN, substantial damage. Probable cause: A total loss of engine power on approach due to carburetor icing.
- [NTSB ERA26LA228](https://openairdocs.org/ntsb/ERA26LA228), May 26, 2026: Cessna R182 (N6287T), Fitchburg, MA, substantial damage. Probable cause: The pilot’s improper landing flare, which resulted in a hard landing.
- [NTSB ERA26FA214](https://openairdocs.org/ntsb/ERA26FA214), May 26, 2026: Piper PA-25-235 (N8656L), Saratoga Springs, NY, substantial damage, 1 fatal, investigation ongoing
- [NTSB ERA26LA235](https://openairdocs.org/ntsb/ERA26LA235), May 23, 2026: Piper PA-24-250 (N5376P), Bartow, FL, substantial damage. Probable cause: The pilot’s failure to extend the landing gear before landing.
- [NTSB WPR26FA151](https://openairdocs.org/ntsb/WPR26FA151), Apr 9, 2026: Piper PA-32R-301T (N4190E), Marana, AZ, substantial damage, 2 fatal, investigation ongoing
- [NTSB WPR26LA157](https://openairdocs.org/ntsb/WPR26LA157), Apr 8, 2026: Cessna T182 (N5475N), Marion, MT, substantial damage, investigation ongoing
- [NTSB ANC26FA021](https://openairdocs.org/ntsb/ANC26FA021), Mar 23, 2026: Robinson Helicopter R44 (N478AT), Boynton Beach, FL, destroyed, 2 fatal, investigation ongoing
- [NTSB CEN26LA146](https://openairdocs.org/ntsb/CEN26LA146), Mar 21, 2026: Piper PA-24-250 (N7548P), Madison, IN, substantial damage. Probable cause: The pilot’s failure to maintain proper airspeed during takeoff and exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall and impact with terrain.
- [NTSB CEN26LA089](https://openairdocs.org/ntsb/CEN26LA089), Jan 8, 2026: Piper PA24 (N7085P), Bay City, MI, substantial damage. Probable cause: The pilot's failure to ensure the landing gear was down and locked before landing.
- [NTSB WPR26LA075](https://openairdocs.org/ntsb/WPR26LA075), Jan 1, 2026: Maule M-5-235C (N56500), Jay Em, WY, substantial damage. Probable cause: The loss of directional control and subsequent nose over due to the inadvertent engagement of the right wheel parking brake as a result of cabin floor carpeting migrating between the right brake…
- [NTSB WPR26FA069](https://openairdocs.org/ntsb/WPR26FA069), Dec 24, 2025: Piper PA-32-260 (N2785Q), Rio Linda, CA, substantial damage, 1 fatal, investigation ongoing
- [NTSB CEN26LA073](https://openairdocs.org/ntsb/CEN26LA073), Dec 13, 2025: Rockwell International 114 (N5879N), Stroud, OK, substantial damage. Probable cause: The pilot’s inadequate fuel planning, which resulted in a total loss of power due to fuel exhaustion.
- [NTSB CEN26LA042](https://openairdocs.org/ntsb/CEN26LA042), Nov 11, 2025: Piper PA-28-235 (N9143W), Castle Rock, CO, substantial damage, investigation ongoing
- [NTSB CEN26LA038](https://openairdocs.org/ntsb/CEN26LA038), Nov 5, 2025: Cessna R182 (N9054C), Brainerd, MN, substantial damage. Probable cause: The pilot’s failure to extended to landing gear before landing.
- [NTSB CEN26LA025](https://openairdocs.org/ntsb/CEN26LA025), Oct 19, 2025: Piper PA-24-250 (N5865P), Eau Claire, WI, substantial damage. Probable cause: The pilot’s failure to ensure that the landing gear was properly extended before landing. Contributing to the accident was the pilot’s unfamiliarity with the landing gear warning horn and failure to…
- [NTSB WPR25LA295](https://openairdocs.org/ntsb/WPR25LA295), Sep 26, 2025: Siai-Marchetti SF260B (N272C), Billings, MT, substantial damage, investigation ongoing
- [NTSB ANC25LA105](https://openairdocs.org/ntsb/ANC25LA105), Sep 13, 2025: Maule M-5-235C (N343GA), Point MacKenzie, AK, substantial damage, investigation ongoing
- [NTSB CEN25LA357](https://openairdocs.org/ntsb/CEN25LA357), Aug 28, 2025: Piper PA-24-250 (N7412P), Gregory, MI, substantial damage, investigation ongoing
- [NTSB CEN25LA336](https://openairdocs.org/ntsb/CEN25LA336), Aug 23, 2025: Piper PA-25-235 (N7239Z), Argusville, ND, substantial damage. Probable cause: The pilot’s failure to maintain clearance from terrain while maneuvering at low altitude.
- [NTSB WPR25LA266](https://openairdocs.org/ntsb/WPR25LA266), Aug 12, 2025: Cessna TR182 (N619MW), San Diego, CA, substantial damage, investigation ongoing
- [NTSB CEN25FA308](https://openairdocs.org/ntsb/CEN25FA308), Aug 7, 2025: Cessna T182T (N35370), Augusta, AR, substantial damage, 1 fatal, investigation ongoing
- [NTSB WPR25LA237](https://openairdocs.org/ntsb/WPR25LA237), Jul 31, 2025: Cessna R182 (N2658C), Thermal, CA, substantial damage. Probable cause: The pilot's failure to extend the landing gear during landing. Contributing to the accident was the pilot’s failure to use a pre-landing checklist.
- [NTSB GAA25WA228](https://openairdocs.org/ntsb/GAA25WA228), Jul 31, 2025: Piper PA32 (N68BT), Marsh Harbor, Bahamas, substantial damage
- [NTSB CEN25LA290](https://openairdocs.org/ntsb/CEN25LA290), Jul 22, 2025: Cessna R182 (N737HN), Lansing, IL, substantial damage. Probable cause: The pilot's failure to extend the landing gear before landing due to his distraction of other traffic and failure to follow his landing procedures.
- [NTSB WPR25LA217](https://openairdocs.org/ntsb/WPR25LA217), Jul 17, 2025: Cessna TR182 (N182KC), Tuba City, AZ, substantial damage, investigation ongoing
- [NTSB ERA25LA235](https://openairdocs.org/ntsb/ERA25LA235), Jun 23, 2025: Cessna R182 (N262AL), Milton, FL, substantial damage. Probable cause: Separation of the throttle cable sleeve during takeoff, which resulted an uncommanded engine power reduction and the pilot’s inability to control the engine throttle, and resulted in a forced landing.
- [NTSB WPR25LA186](https://openairdocs.org/ntsb/WPR25LA186), Jun 18, 2025: Kohut Mark A Murphy SR 2500 (N6161C), Challis, ID, substantial damage. Probable cause: The pilot’s failure to maintain directional control during the landing roll.
- [NTSB WPR25LA131](https://openairdocs.org/ntsb/WPR25LA131), Apr 13, 2025: Piper PA-32-260 (N3797W), Green Valley, AZ, substantial damage. Probable cause: The pilot's improper fuel management, which resulted in a total loss of engine power due to fuel starvation.
- [NTSB CEN25FA124](https://openairdocs.org/ntsb/CEN25FA124), Mar 15, 2025: Robinson Helicopter R44 (N331ES), Danville, VA, destroyed, 1 fatal, investigation ongoing
- [NTSB ERA25LA130](https://openairdocs.org/ntsb/ERA25LA130), Feb 26, 2025: Piper PA-28-235 (N43DN), Manchester, VT, substantial damage. Probable cause: The pilot’s improper decision to continue the visual flight rules flight into instrument meteorological conditions, which resulted in the accumulation of airframe icing and a subsequent aerodynamic…
- [NTSB WPR25LA092](https://openairdocs.org/ntsb/WPR25LA092), Feb 9, 2025: Piper PA-28-235 (N8535N), Shafter, CA, substantial damage. Probable cause: A total loss of engine power due to carburetor ice. Contributing was the student pilot and flight instructors’ failure to utilize carburetor heat.
- [NTSB CEN25LA085](https://openairdocs.org/ntsb/CEN25LA085), Jan 20, 2025: Piper PA-28-235 (N8997W), Mount Vernon, IL, substantial damage. Probable cause: The pilot's improper landing flare and subsequent improper recovery from a bounced landing, which resulted in a collision with terrain.
- [NTSB CEN25LA081](https://openairdocs.org/ntsb/CEN25LA081), Jan 16, 2025: Piper PA-24-250 (N6799P), Bentonville, AR, substantial damage. Probable cause: The pilots’ mismanagement of the available fuel, which resulted in a loss of engine power due to fuel starvation.
- [NTSB CEN25LA079](https://openairdocs.org/ntsb/CEN25LA079), Jan 15, 2025: Piper PA-24-250 (N8051P), Tyler, TX, substantial damage. Probable cause: An electrical system surge for a reason that could not be determined that resulted in an overvoltage event, internal damage to electronics equipment, smoke in the cockpit, and a gear up landing.
- [NTSB WPR25FA079](https://openairdocs.org/ntsb/WPR25FA079), Jan 14, 2025: Piper PA-24-250 (N6502P), Rock Springs, WY, 1 fatal, investigation ongoing
- [NTSB WPR25LA065](https://openairdocs.org/ntsb/WPR25LA065), Dec 19, 2024: Piper PA-24-250 (N7833P), Mesa, AZ, substantial damage, investigation ongoing
- [NTSB CEN25LA045](https://openairdocs.org/ntsb/CEN25LA045), Nov 18, 2024: Cessna R182 (N738PG), Crowley, LA, substantial damage. Probable cause: The pilot’s un-stabilized landing approach and high airspeed during the approach, that resulted in touchdown with insufficient runway remaining to stop the airplane.

All 3,544: https://openairdocs.org/engine/lycoming-0-540-series/ntsb.md

## FAA accident and incident reports (4,539, 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.

- [Accident 20260901012009A](https://openairdocs.org/incident/20260901012009A), Sep 1, 2026: Cessna R182 (N6346T), Lebanon, TN, Destroyed. On September 1, 2026, [privacy data omitted], a Cessna R182, [privacy data omitted], was involved in an accident near Lebanon, Tennessee, with one person on…
- [Accident 20260830012019A](https://openairdocs.org/incident/20260830012019A), Aug 30, 2026: Cessna R182 (N756EB), Clarksville, TN, Substantial damage. PIC states aircraft main landing gear collapsed upon landing.
- [Incident 20260829012049I](https://openairdocs.org/incident/20260829012049I), Aug 29, 2026: Cessna R182 (N755MC), Nashville, TN, Minor damage. At approximately 1020 on 8/29/2026, at jwn, [privacy data omitted], Cessna 182, landed rwy 02, was taxiing back to the ramp when the aircraft’s left wing…
- [Accident 20260821011339A](https://openairdocs.org/incident/20260821011339A), Aug 21, 2026: Piper PA-24-250 (N6969P), Fort Washington, MD, Substantial damage. Pilot strurk a big bird on the left wing leading edge. No issues, no findings. Inspected records, no finding. Deterimine it an accident 4 foot by 4 foot of…
- [Incident 20260814012149I](https://openairdocs.org/incident/20260814012149I), Aug 14, 2026: Cessna TR182 (N739BY), Monticello, NY, Minor damage. Aircraft landed at msv airport after touchdown and during roll out while on the centerline of the runway, the NLG collapsed, leading to a propeller…
- [Accident 20260806011069A](https://openairdocs.org/incident/20260806011069A), Aug 6, 2026: Piper PA-32-260 (N8791E), Plymouth, NC, Substantial damage. On August 6, 2026, at about 1355 eastern daylight time, a Piper aircraft PA-32-260 airplane, [privacy data omitted], departed martin county airport (mcz),…
- [Incident 20260805009369I](https://openairdocs.org/incident/20260805009369I), Aug 5, 2026: Cessna R182 (N7565X), Spirit Lake, IA, Minor damage. Landing approach was high and fast. Landed hard and bounced at least once, with nose wheel fork breaking off and aircraft sliding to a stop on the runway.
- [Incident 20260729013339I](https://openairdocs.org/incident/20260729013339I), Jul 29, 2026: Piper PA-28-235 (N8796W), Kansas City, MO, Minor damage. The airplane landed and exited runway 09/27. Taxi clearance brought the airplane close behind a Boeing 737 max subsequently cleared to enter runway 09.…
- [Incident 20260720009459I](https://openairdocs.org/incident/20260720009459I), Jul 20, 2026: Cessna R182 (N3672C), Morrisville, NC, Minor damage. [privacy data omitted], A Cessna 182 departed ktta on a post maintenance flight for fuel cell bladder work. When on return to ktta, the pilot discovered that…
- [Incident 20260719009379I](https://openairdocs.org/incident/20260719009379I), Jul 19, 2026: Cessna R182 (N3VC), Dayton, OH, Minor damage. On July 19, 2026 at apoxamatley 14:50 EDT a Cessna R182 s/n [privacy data omitted] [privacy data omitted] registered to john t green departed runway 2. During…
- [Accident 20260705008699A](https://openairdocs.org/incident/20260705008699A), Jul 5, 2026: Maule M-5-235C (N9103E), Hickman, KY, Substantial damage. Pilot was doing touch and go's for currency on his private grass field. He had done a few and on the last landing he was aligned with the runway with a head…
- [Accident 20260704008979A](https://openairdocs.org/incident/20260704008979A), Jul 4, 2026: Piper PA-25-235 (N386AB), Forest Lake, MN, Substantial damage. The pilot was performing banner towing operations. They had conducted a normal takeoff and banner hook deployment. After successful banner hook, the aircraft…
- [Accident 20260628007279A](https://openairdocs.org/incident/20260628007279A), Jun 28, 2026: Piper PA-24-250 (N6852P), Hazen, ND, Destroyed, 1 fatal. The aircraft departed Mercer regional airport (khze) in Hazen, ND at about 13:17 central daylight time on runway 15. A witness reported seeing the airplane…
- [Accident 20260620007169A](https://openairdocs.org/incident/20260620007169A), Jun 20, 2026: Piper PA-24-250 (N6403P), Middlefield, OH, Substantial damage, 3 fatal. Accident aircraft departed youngstown-warren regional airport, (yng), vienna, OH June 20, 2026 at approximately 1520 EDT. Geauga County Airport, (7G8),…
- [Accident 20260614008139A](https://openairdocs.org/incident/20260614008139A), Jun 14, 2026: Piper PA-28-235 (N15564), Key West, FL, Substantial damage. On June 14, 2026, a Piper PA-28 aircraft attempting to takeoff from runway 09 at Key West International (keyw) failed to gain altitude after liftoff off…
- [Incident 20260613006499I](https://openairdocs.org/incident/20260613006499I), Jun 13, 2026: Piper PA-24-250 (N6087P), Auburn, WA, Minor damage. Flight profile: local proficiency flight (S50 – kcls – kplu – S50) Location: Auburn airport (S50) Description: while returning from a multi-leg local…
- [Incident 20260608006289I](https://openairdocs.org/incident/20260608006289I), Jun 8, 2026: Piper PA-32-260 (N8601N), Gainsville, FL, Minor damage. Aircraft attempted to depart for 7FL4. Upon accelerating for takeoff at full power, specks of oil began to appear on windscreen at rotation / climb out, oil…
- [Accident 20260608006279A](https://openairdocs.org/incident/20260608006279A), Jun 8, 2026: Robinson Helicopter R44 (N144CD), Lynchburg, SC, Substantial damage. On June 8, 2026, at 1515 (EDT), a Robinson astro R-44 helicopter struck a high-tension powerline in between two corn fields and subsequently impacted terrain…
- [Accident 20260530009049A](https://openairdocs.org/incident/20260530009049A), May 30, 2026: Piper PA-28-235 (N15291), Montevideo, MN, Substantial damage. On may 30, 2026, the aircraft experienced a rough running engine on approach after conducting a local flight for approximately an hour and a half. After…
- [Incident 20260529008019I](https://openairdocs.org/incident/20260529008019I), May 29, 2026: Piper PA-28-235 (N9032W), Winfield, KS, Minor damage. On may 29th, 2026, [privacy data omitted], the pilot of a Piper aircraft, model PA-28-235 [privacy data omitted] was performing touch-and-go landings at…
- [Accident 20260526009059A](https://openairdocs.org/incident/20260526009059A), May 26, 2026: Piper PA-25-235 (N8656L), Ballston Spa, NY, Substantial damage, 1 fatal. On may 26, 2026, [privacy data omitted] a single engine PA-25 was towing an ASW-27 [privacy data omitted] at Saratoga County Airport (5B2). While climbing the…
- [Accident 20260526007509A](https://openairdocs.org/incident/20260526007509A), May 26, 2026: Cessna R182 (N6287T), Fitchburg, MA, Substantial damage. On 26 may 2026, at 1335 p.m. EDT, the bradley FSDO received notice regarding a Cessna R182 landed on runway 32 and experienced a nose gear collapse. 3 persons…
- [Accident 20260523005509A](https://openairdocs.org/incident/20260523005509A), May 23, 2026: Piper COMMANCHE (N5376P), Bartow, FL, Substantial damage. On may 23, 2026, ap approximately 1340Z/0940L, aircraft landed on runway 9L at kbow with the gear retracted. No injuries to pilot, sole occupant on board.…
- [Incident 20260519005049I](https://openairdocs.org/incident/20260519005049I), May 19, 2026: Piper PA-24 (N136Y), Rockport, TX, Minor damage. Pilot performed a normal approach to landing and reports seeing indications that the landing gear was deployed via green indicator light in the cockpit, and…
- [Incident 20260517008249I](https://openairdocs.org/incident/20260517008249I), May 17, 2026: Piper PA-24-250 (N6395P), Morristown, NJ, Minor damage. Upon entering the left downwind leg for runway 28 at millville municipal airport (miv), the pilot in command (PIC) selected the gear handle to the down…
- [Incident 20260516005339I](https://openairdocs.org/incident/20260516005339I), May 16, 2026: Britten-Norman BN-2A (N131JL), Fort Lauderdale, FL, No damage. Aircraft taxied from the air carrier's hanger to runway 9. After clearing runway 9 and during power up the left brake locked and the pilot oversteered the…
- [Incident 20260508006109I](https://openairdocs.org/incident/20260508006109I), May 8, 2026: Piper PA-28-235 (N15475), Santa Fe, NM, Minor damage. On may 8, at approximately 11:14 MDT, 2026 Piper PA28-235 was involved in an incident while performing a part 91 flight at ksaf airport. The sole occupant /…
- [Incident 20260508003539I](https://openairdocs.org/incident/20260508003539I), May 8, 2026: Piper PA-32-260 (N3646W), Evansville, IN, Minor damage. On 5/8/2026 a pilot was completing vector approach at Evansville Regional Airport (evv), Indiana and encountered a bird strike at approximately 3:35PM EST. The…
- [Accident 20260419009739A](https://openairdocs.org/incident/20260419009739A), Apr 19, 2026: Piper PA-28-235 (N4232T), Richfield, OH, Substantial damage. Pilot was flying aircraft, level 3500 feet with ATC flight following, through the southern portion of the class b cle airspace. Pilot was asked if he wanted…
- [Incident 20260413002739I](https://openairdocs.org/incident/20260413002739I), Apr 13, 2026: Cessna R182 (N9145C), Pembroke Pines, FL, Minor damage. Part 91, Cessna aircraft registration [privacy data omitted] attempted takeoff on runway 10R at North Perry Airport (hwo) when the nose gear collapsed which…
- [Incident 20260410002829I](https://openairdocs.org/incident/20260410002829I), Apr 10, 2026: Cessna R182 (N9106C), Lebanon, NH, Minor damage. During a validation flight for flight club insurance purposes a series of landings were performed, including flaps 20 and flaps 40 configurations. The flight…
- [Accident 20260408003099A](https://openairdocs.org/incident/20260408003099A), Apr 8, 2026: Piper PA-32R-301T (N4190E), Marana, AZ, Destroyed, 2 fatal. At approximately 1704 MST, the aircraft entered the left downwind traffic pattern at kavq for rwy 3 and executed a go-around after a turn to final. The…
- [Accident 20260408002559A](https://openairdocs.org/incident/20260408002559A), Apr 8, 2026: Cessna T182 (N5475N), Marion, MT, Substantial damage. Pilot 1 stated: The takeoff and pattern entry was smooth and on target as we entered final for runway 32. The plane was configured and on a stable approach for…
- [Incident 20260328003479I](https://openairdocs.org/incident/20260328003479I), Mar 28, 2026: Cessna R182 (N4910S), Waterville, ME, Minor damage. Due to the winds the PIC decided to change from using runway 5 to runway 32. PIC leveled off at 1900 ft, retracted gear and entered midfield entry for downwind…
- [Accident 20260323002759A](https://openairdocs.org/incident/20260323002759A), Mar 23, 2026: Robinson Helicopter R44 (N478AT), Boynton Beach, FL, Destroyed, 2 fatal. On March 23, 2026, about 1221 eastern daylight time, a Robinson R44 raven I helicopter was destroyed when it was involved in an accident near Boynton Beach,…
- [Incident 20260308002269I](https://openairdocs.org/incident/20260308002269I), Mar 8, 2026: Piper PA-24-250 (N5142P), Belen, NM, Minor damage. On 03/08/2026 at 1736 in a Piper PA24 an off-field landing was executed. Phase of operation was climb out at cruise transition. This was a recreational flight…
- [Incident 20260221001849I](https://openairdocs.org/incident/20260221001849I), Feb 21, 2026: Piper PA-28-236 (N81597), Pompano Beach, FL, Minor damage. On Saturday, February 21, 2026, aircraft [privacy data omitted] departed from pmp at 9:14 am local and arrived pmp at 9:52 am local. During flight, the pilot…
- [Accident 20260108001259A](https://openairdocs.org/incident/20260108001259A), Jan 8, 2026: Piper PA-24-250 (N7085P), Bay City, MI, Substantial damage. On January 8, 2026, at approximately 14:41 EST the pilot in command (PIC) was flying a Piper comanche, registration number [privacy data omitted] for skill…
- [Accident 20260101000609A](https://openairdocs.org/incident/20260101000609A), Jan 1, 2026: Maule M-5-235C (N56500), Jay Elm, WY, Substantial damage. Pilot landed in a hay field applied brakes and the emergency brake engaged and locked up on the right landing gear
- [Accident 20251224019699A](https://openairdocs.org/incident/20251224019699A), Dec 24, 2025: Piper PA-32-260 (N2785Q), Rio Linda, CA, Destroyed, 1 fatal. On December 24th, 2025, at approximately 12:30 PST, this aircraft was involved in an accident during climb after take off from Rio Linda Airport (L36). The…
- [Accident 20251220020089A](https://openairdocs.org/incident/20251220020089A), Dec 20, 2025: Rockwell International 114 (N5879N), Stroud, OK, Substantial damage. On December 20, 2025, the pilot in command (PIC) landed short of the runway north of Stroud Municipal while enroute from bentonville, Arkansas to (pwa) wiley…
- [Accident 20251110019839A](https://openairdocs.org/incident/20251110019839A), Nov 10, 2025: Piper PA-28-235 (N9143W), Castle Rock, CO, Substantial damage. Castle Rock, CO: N9143W, P28A, reported a rough Running engine then made an off-airport landing On praire hawk dr near the intersection of Wolfensberger rd.…
- [Accident 20251105016749A](https://openairdocs.org/incident/20251105016749A), Nov 5, 2025: Cessna R182 (N9054C), Brainerd, MN, Substantial damage. While on a practice instrument approach, the pilot ran his before landing checklist. The checklist was interrupted to avoid a flock of birds. Further on the…
- [Incident 20251027019289I](https://openairdocs.org/incident/20251027019289I), Oct 27, 2025: Piper PA-24-250 (N8235P), Henderson, NV, Minor damage. 10/27/2025, Henderson Executive Airport, NV (hnd) 0903 PDT a PA-24-250 while taxiing, propeller struck known object (traffic cone) placed in close proximity of…
- [Incident 20251024017729I](https://openairdocs.org/incident/20251024017729I), Oct 24, 2025: Piper PA-32-260 (N3814W), Palmyra, MI, No damage. Pilot's failure to recognize the development of carburetor induction icing, causing a partial power loss, and resulting in an off-field emergency landing.
- [Incident 20251024015579I](https://openairdocs.org/incident/20251024015579I), Oct 24, 2025: Piper PA-32-260 (N3526W), Blackville, SC, Minor damage. The pilot was cruising at level flight when he experienced a catastrophic engine failure with no prior symptoms or indication of an engine malfunction. #5…
- [Accident 20251019017889A](https://openairdocs.org/incident/20251019017889A), Oct 19, 2025: Piper PA-24-250 (N5865P), Eau Claire, WI, Substantial damage. Tower instructed him to enter a left downwind for runway 22 even though the winds were favoring runway 32. The PIC noted that the winds were reported at 18-35…
- [Accident 20250926015229A](https://openairdocs.org/incident/20250926015229A), Sep 26, 2025: Siai-Marchetti SF.260B (N272C), Billings, MT, Substantial damage. On September 26, 2025 an Siai marchette SF208B aircraft departed from Billings Logan International Airport (kbil). During takeoff the aircraft rotated and…
- [Incident 20250915014069I](https://openairdocs.org/incident/20250915014069I), Sep 15, 2025: Cessna TR182 (N756RN), Cleveland, OH, Minor damage. Pilot 1 in the left seat was giving high performance endorsement instruction to pilot 2 in the right seat. Upon completion of the second landing, pilot 2…
- [Accident 20250913013579A](https://openairdocs.org/incident/20250913013579A), Sep 13, 2025: Maule M-5-235C (N343GA), Wasilla, AK, Substantial damage. Pilot was landing at his private strip 300-400 AGL, 65 knots of airspeed, one notch of flaps. Turning base for final pilot moved flaps to second notch,…

All 4,539: https://openairdocs.org/engine/lycoming-0-540-series/incidents.md

## Service difficulty reports (107, newest 50)

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

- [SDR 2026FA0000347](https://openairdocs.org/sdr/2026FA0000347), May 9, 2026: THRUST BUTTON. FAULTY. DURING MAJOR OVERHAUL INSTALLED SUPERIOR ROCKER SHAFT THRUST BUTTONS P/N SL12893.INFORMATION THAT WE RECEIVED STATED THAT FAULTY THRUST BUTTONS WILL FLOAT IN WA
- [SDR 2020FA0000280](https://openairdocs.org/sdr/2020FA0000280), Jun 4, 2020: GEARBOX. MAKING METAL. DURING THE ANNUAL INSPECTION OF THE AIRCRAFT, IT HAS BEEN FOUND MAGNETIC PARTICLES ON THE MGB DETECTOR CHIP. THE QUANTITY OF MAGNETIC PARTICLES IS HIGH, BUT THE
- [SDR 2019FA0000145](https://openairdocs.org/sdr/2019FA0000145), May 8, 2019: PUSH-PULL CABLE. DEFECTIVE. AFTER ENGINE INSTALLATION THROTTLE SPRING BACK WAS EXCESSIVE WITH LOSS OF THROTTLE CONTROL. THROTTLE WOULD GLADLY GO TO IDLE AND STAY THERE EVEN WHEN FULLY ADVA
- [SDR CA190213015](https://openairdocs.org/sdr/CA190213015), Feb 13, 2019: PIN. DISLODGED. (CAN) IMPULSE COUPLING PIN (NO PART NUMBER FOR ONLY THE PIN) NORMALLY PRESSED INTO MAGNETO HOUSING HAD COME OUT OF THE HOUSING ALLOWING OIL TO ENTER THE CASE OF
- [SDR EVGR2019030600001](https://openairdocs.org/sdr/EVGR2019030600001), Jun 29, 2018: CONTACT BREAKER. OPEN. THE OVERHAULED MAGNETO WAS PURCHASED. UPON INSTALLATION OF THE MAGNETO, THE TACHOMETER DID NOT WORK. FURTHER TROUBLESHOOTING REVEALED THAT THE TACHOMETER CONTAC
- [SDR JIKA2018041260001](https://openairdocs.org/sdr/JIKA2018041260001), Apr 13, 2018: ENGINE. MAKING METAL. AFTER DEPARTING, THE PILOT NOTICE DURING CLIMB THROUGH 9000 TO 10500 FEET THAT THE MANIFOLD PRESSURE ON THE LEFT ENGINE WAS SLOWLY DROPPING. AS THE PILOT ATTEMP
- [SDR 2017FA0000602](https://openairdocs.org/sdr/2017FA0000602), Nov 2, 2017: ALTERNATOR. FAILED. PILOT DISCOVERED ALTERNATOR HAD FAILED DURING FLIGHT. THE BATTERY WAS QUICKLY DEPLETED AND PILOT MANUALLY EXTENDED GEAR. THE RIGHT MAIN SLOWLY RETRACTED ON LAND
- [SDR 2017FA0000412](https://openairdocs.org/sdr/2017FA0000412), Nov 9, 2016: OIL COOLER. VAPOR LOCK. AFTER FACTORY REMANUFACTURED, INSTALLED THE ENGINE, FOUND THE TURBO LEAKING FROM CENTER SECTION DURING IDLE, BUT NOT ABOVE 1000 RPM. TROUBLESHOT OIL LEAK AND DE
- [SDR E4FR2015FA0000621](https://openairdocs.org/sdr/E4FR2015FA0000621), Dec 3, 2015: ATTACH BRACKET. CORRODED. DURING AN ANNUAL INSPECTION THE HORIZONTAL COUNTERBALANCE TUBE ATTACH BRACKET, FOUND TO BE SEVERLY CORRODED AND WORN. THE FLIGHT CONTROL WAS REMOVED FOR MAINTEN
- [SDR 2015FA0000342](https://openairdocs.org/sdr/2015FA0000342), Jul 24, 2015: HUB. CRACKED. ACFT BROUGHT IN FOR AN ON WING INSPECTION UNDER AD 2009-22-03. INDICATION NOTED BY EDDY CURRENT INSPECTION. PROPELLER HUB REJECTED. THE PROPELLER HAS HAD MANY P
- [SDR 2014FA0000599](https://openairdocs.org/sdr/2014FA0000599), Oct 10, 2014: AIR FILTER. DEFECTIVE. DURING A VFR STAGE CHECKOUT. AFTER A NORMAL START UP, PILOT EXECUTED A MAX PERFORMANCE TAKEOFF FROM THE DEPARTURE. NO ISSUES, AND ACFT BEHAVED NORMALLY. PILOT E
- [SDR 2013FA0000137](https://openairdocs.org/sdr/2013FA0000137), Feb 28, 2013: DISTRIBUTOR GEAR. BROKEN. DURING INSPECTION, DISCOVERED MAGNETO DISTRIBUTOR GEAR , MISSING TEETH ON BOTH GEARS.
- [SDR 2012FA0000715](https://openairdocs.org/sdr/2012FA0000715), Oct 22, 2012: AIR BOX. DAMAGED. DURING FLIGHT, POWER LOSS FROM ENGINE. SUCCESSFUL OFF FIELD LANDING WAS MADE. INSPECTION REVEALED A BAFFLE INSIDE THE CARBURETOR AIR BOX, CAME LOOSE STARTVING T
- [SDR 2012FA0000471](https://openairdocs.org/sdr/2012FA0000471), Jul 1, 2012: POINTS. LOOSE. FOUND MAGNETO CONTACT POINTS LOOSE WHEN POINTS ARE OPEN.
- [SDR 2011FA0000697](https://openairdocs.org/sdr/2011FA0000697), Oct 14, 2011: CARBURETOR. MISOVERHAULED. UPON INSPECTION OF THE CARBURETOR, FOUND THAT THREAD SEALANT HAD BEEN APPLIED TO THE FILTER SCREEN ASSY AS WELL AS THE DRAIN PLUG.
- [SDR 2011FA0000696](https://openairdocs.org/sdr/2011FA0000696), Oct 13, 2011: CARBURETOR. MISOVERHAULED. UPON INSPECTION, CARBURETOR THE THREAD SEALANT HAD BEEN APPLIED TO THE DRAIN PLUG AS WELL AS THE FUEL FITTINGS.
- [SDR 2011FA0000494](https://openairdocs.org/sdr/2011FA0000494), Jul 5, 2011: BAFFLE. LOOSE. CONE SHAPED BAFFLE IN MUFFLER CAME LOOSE AND COMPLETELY BLOCKED EXHAUST STACK.
- [SDR 2010FA0001249](https://openairdocs.org/sdr/2010FA0001249), Dec 16, 2010: SPRING. BROKEN. TRACING AN ENGINE OIL LEAK, IT WAS DISCOVERED THAT THE PUSHROD SHROUD TUBE RETAINING SPRINGS (SL14995)HAD FAILED ON ALL 6 CYLINDERS. THE PART FAILED BY BREAKING
- [SDR 2010FA0001131](https://openairdocs.org/sdr/2010FA0001131), Oct 22, 2010: ANTENNA. FAILED. THE GNS 430W INDICATED NO SATELLITE COVERAGE WHILE IN FLIGHT. AN ADDITIONAL PORTABLE GPS ALSO INDICATED A LOSS OF SATELLITE COVERAGE. ATC INDICATED THAT THERE W
- [SDR 2010FA0001090](https://openairdocs.org/sdr/2010FA0001090), Sep 22, 2010: IMPULSE COUPLING. BROKEN. PILOT REPORTED LT MAGNETO FAULTY DURING RUN-UP. INVESTIAGTION REVEALED HOLE IN MAGNETO ADAPTER PLATE, WITH ALUMINUM SHAVINGS IN ENGINE COMPARTMENT. REMOVED ENGI
- [SDR 2010FA0000790](https://openairdocs.org/sdr/2010FA0000790), Aug 6, 2010: OIL COOLER. LEAKING. THE FIRST UNIT THAT FAILED WAS AN O/H COOLER, PN 8000074, SN 1041411 MFG. 04/05, INSTALLED 12/01/09 AND FAILED ON 3/19/10. THE REPLACEMENT COOLER WAS NEW WITH S
- [SDR 2010FA0000526](https://openairdocs.org/sdr/2010FA0000526), Jun 7, 2010: OIL COOLER. FAILED. NEW OIL COOLER INSTALLED FAILED WITH ONLY A TOTAL OF 29 CUMMLATIVE HOURS AT THE BRAZE WELD OF THE CASING.
- [SDR 2009FA0000759](https://openairdocs.org/sdr/2009FA0000759), Jul 7, 2009: BEAM. CRACKED. WHILE PERFORMING FLUORESCENT DYE PENETRANT INSP IAW AD 2002-25-03 OF CAPTAINS RUDDER PEDAL BEAMS FOUND CRACKED ON (LT) INNER SIDE FWD BEAM. (K)
- [SDR CA080709008](https://openairdocs.org/sdr/CA080709008), Jul 4, 2008: EXHAUST VALVE. SEIZED. (CAN) DURING A FLIGHT IN THE R44 HELICOPTER, THE PILOT NOTICED A SIGNIFICANT VIBRATION APPROX. 2 HOURS INTO THE FLIGHT. THE VIBRATION LASTED 45 SECONDS. THERE W
- [SDR 2008FA0000235](https://openairdocs.org/sdr/2008FA0000235), Mar 1, 2008: SCREW. IMPROPER PART. MFG SB NR SEB07-3 TO CHECK THE LENGTH OF THE SCREWS IN ACCESS PLATE UNDER REAR SEAT. THE PLATE MAY HAVE HAD TOO LONG A SCREW INSTALLED WHICH COULD CAUSE A FAILU
- [SDR 2007FA0000982](https://openairdocs.org/sdr/2007FA0000982), Oct 28, 2007: BEARING. BROKEN. RT OB HEIM BEARING BROKE AT THREADS NEXT TO JAM NUT ON ACTUATOR ROD DURING TAKEOFF ROLL W/RESULTANT GEAR COLLAPSE. INCREASE SIZE AND STRENGTH OF PART. (K)
- [SDR 2007FA0000583](https://openairdocs.org/sdr/2007FA0000583), May 24, 2007: STARTER. DEFECTIVE. REMOVED THIS STARTER FROM SAME AIRCRAFT FOR THE 4TH TIME WITH 11.3 HOURS SINCE OVERHAUL. STARTER BENDIX WOULD NOT ENGAGE ANYMORE DURING STARTUP. NO PROBLEM COUL
- [SDR 2007FA0000581](https://openairdocs.org/sdr/2007FA0000581), May 18, 2007: STARTER. MALFUNCTIONED. REMOVED THIS STARTER FROM SAME AIRCRAFT FOR THE 3RD TIME WITH 62.3 HRS SINCE OVERHAUL. STARTER BENDIX WOULD NOT ENGAGE ANYMORE DURING START UP. NO PROBLEM COULD
- [SDR 2007FA0000383](https://openairdocs.org/sdr/2007FA0000383), Apr 30, 2007: HORN. CRACKED. FOUND STABILATOR HORN P/N 20397-00 SEVERELY CRACKED FROM THE INSIDE WHERE THE ATTACH BOLTS CONNECT THE BALANCE WEIGHT TUBE P/N 20398-02 AND STABILATOR TORQUE TU
- [SDR 2007FA0000582](https://openairdocs.org/sdr/2007FA0000582), Apr 30, 2007: STARTER. FAILED. REMOVED THIS STARTER WITH 3.3 HOURS SINCE OVERHAUL. STARTER BENDIX STAYED ENGAGED DURING START UP. NO PROBLEM COULD BE FOUND WITH AIRCRAFT ELECTRICAL SYSTEM. (K
- [SDR 2007FA0000580](https://openairdocs.org/sdr/2007FA0000580), Apr 27, 2007: STARTER. FAILED. REMOVED THIS STARTER FROM AIRCRAFT DUE TO BENDIX FAILURE. TIME ON THIS STARTER IS UNKNOWN. (K)
- [SDR 2007FA0000096](https://openairdocs.org/sdr/2007FA0000096), Jan 3, 2007: CONDUIT. SEPARATED. THE LT MAIN LANDING GEAR PUSH PULL CONDUIT SEPARATED AT THE BALL END WHERE IT IS ATTACHED TO THE SUPPORT STRUCTURE IN THE WHEEL WELL. BELIEVE THIS FAILURE OCCUR
- [SDR 2007FA0000055](https://openairdocs.org/sdr/2007FA0000055), Dec 12, 2006: HYDRAULIC LINE. FAILED. HYDRAULIC HOSE ON RETRACT SIDE OF NOSE GEAR ACTUATOR FAILED AS AIRCRAT WAS ON APPROACH AND GEARDOWN WAS SELECTED. RESULTED IN AIRCRAFT MAKING AN EMERGENCY GEARU
- [SDR 2006FA0001171](https://openairdocs.org/sdr/2006FA0001171), Dec 4, 2006: BOOT. LEAKING. FLUID LEAKING FROM MAIN ROTOR BLADE PITCH BEARING HOUSING.
- [SDR 2006FA0001172](https://openairdocs.org/sdr/2006FA0001172), Dec 4, 2006: BOOT. LEAKING. FLUID LEAKING FROM MAIN ROTOR BLADE PITCH BEARING HOUSING.
- [SDR 2006FA0001056](https://openairdocs.org/sdr/2006FA0001056), Oct 22, 2006: PIN. BROKEN. LOCKDOWN PINS BROKE AT GROOVE FOR ROLL PINS. THIS ALLOWED THE PINS TO MOVE OUT OF ACTUATOR BEARING END AND JAM THE ACTUATOR. IN THE UNLOCKED POSITION, SEB95-20 
- [SDR 608062](https://openairdocs.org/sdr/608062), Jun 8, 2006: CLAMP. CRACKED. BLADE CLAMPS CRACKED.
- [SDR 608063](https://openairdocs.org/sdr/608063), Jun 8, 2006: CLAMP. CRACKED. BLADE CLAMP CRACKED.
- [SDR 2006FA0000627](https://openairdocs.org/sdr/2006FA0000627), Jun 5, 2006: WASHER. CRACKED. COUNTER WEIGHT RETAINING WASHER P/N 71907 CRACKED AND BROKE. THIS ALLOWED THE COUNTER WEIGHT RETAINING PIN TO FALL OUT. ENGINE SEIZED.
- [SDR 2006FA0000459](https://openairdocs.org/sdr/2006FA0000459), Apr 19, 2006: ATTACH FITTING. OUT OF LIMITS. ATTACHMENT CONNECTIONS AT RT AND LT SIDES ARE BELOW MINIMUM SPECIFIED IN AD. INSPECTION METHOD- ULTRASONIC. (K)
- [SDR IBI2006F00000](https://openairdocs.org/sdr/IBI2006F00000), Mar 21, 2006: ALTERNATOR. FAILED. ALTERNATOR FAILED AT 18.51 HOURS SINCE OVERHAUL. WITH FAILURE, AMMETER WAS STUCK AT 35 AMPS INDICATED. VOLTAGE REGULATOR WAS ALSO DISABLED FROM ALTERNATOR FAILU
- [SDR 2006FA0000184](https://openairdocs.org/sdr/2006FA0000184), Dec 19, 2005: SELECTOR. INOPERATIVE. RT FUEL PRESSURE WOULD OCCASIONALLY DROP OFF TO BOTTOM OF GREEN RANGE AFTER AIRCRAFT IN CRUISE CONFIGURATION, (ELECTRIC PUMPS OFF) AFTER EXTENDED TROUBLESHOOTIN
- [SDR BG001](https://openairdocs.org/sdr/BG001), Oct 6, 2005: LINE. FAILED. DOWN HYDRAULIC PRESSURE LINE FAILED AT ACTUATOR. LINE PULLED OUT OF SWAGED END FITTING.
- [SDR 2005FA0001317](https://openairdocs.org/sdr/2005FA0001317), Sep 20, 2005: BLADDER. COLLAPSED. FOUND AC TO HAVE DAMAGE TO L G BUNGEE, LT BOOM OB ATTACH POINT AT AFT WING CLOSEOUT. NO FUEL IN TANK, VERIFIED BY REMOVAL OF FUEL LINE AT FUEL VALVE ON BOTTOM O
- [SDR 2005FA0000754](https://openairdocs.org/sdr/2005FA0000754), May 11, 2005: GASCOLATOR. CONTAMINATED. DURING AN ACCIDENT INVESTIGATION FUEL GASCOLATOR WAS FOUND WITH LARGE AMOUNTS OF WATER AND SOLID CONTAMINANTS. IT WAS NOTED THAT THE PART COULD NOT BE ROTATED T
- [SDR 2005FA0001578](https://openairdocs.org/sdr/2005FA0001578), Apr 15, 2005: TUBE. CORRODED. ANNUAL INSPECTION DISCOVERED WIDESPREAD CORROSION OF 4130 STEEL FUSELAGE STRUCTURE. LOWER DOOR POST TUBES WERE CORRODED NEARLY THROUGH, RENDERING AIRPLANE UNAIR
- [SDR 2005FA0000132](https://openairdocs.org/sdr/2005FA0000132), Jan 28, 2005: SUPPORT. DAMAGED. WHILE COMPLETING GROUND RUN, PRIOR TO 100 HOUR INSPECTION, NOTICED RUDDER PEDALS DID NOT FEEL RIGHT. FURTHER INVESTIGATION REVEALED THAT THE NUT-PLATES HAD RIPP
- [SDR R7S2005F00000](https://openairdocs.org/sdr/R7S2005F00000), Nov 2, 2004: NUT. WORN. DURING A 100 HOUR INSPECTION, THE ROD END BEARING JAM NUT ON CONTROL TUBE (C336-1) AT THE CARBURETOR ATTACHMENT ARM WAS FOUND TO BE ONLY HAND TIGHT. THE ORIGINA
- [SDR UIA9317](https://openairdocs.org/sdr/UIA9317), Oct 8, 2004: TUBE. DEFORMED. NO.2 BLEED HOT CAUTION LIGHT ON (IN FLIGHT),AFTER LANDING IAW AMM21-11-00 AND AMM 49-10-00 CHECK FOUND ENG BLEED HEATSHIELD DEFORM.REPLACED HEATSHIELD PIPE AND 
- [SDR 2005FA0000759](https://openairdocs.org/sdr/2005FA0000759), Oct 6, 2004: ACTUATOR. OBSTRUCTED. AC NOSE DAMAGE DUE TO FAILURE OF NOSE GEAR TO EXTEND FOR LANDING. PROP LINKAGE RUNS DOWN OUTSIDE NLG TUNNEL, IS ATTACHED TO IT IN 2 PLACES WITH ADEL CLAMPS, STA

All 107: https://openairdocs.org/engine/lycoming-0-540-series/reports.md

## STCs that may be installed (OpenAirDocs) (59, first 50)

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 SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC. Lists O-540-A1A
- [STC SE00825WI](https://openairdocs.org/stc/SE00825WI): Installation of Specialty Products Spin-on oil filter on Lycoming Engines. B & C Specialty Products Inc. Lists O-540-A1A
- [STC SE2932SW](https://openairdocs.org/stc/SE2932SW): Install carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive. Alcor LLC
- [STC SE208SO](https://openairdocs.org/stc/SE208SO): Installation of ice indicator in the carburetor. LegacySTC.com
- [STC SE04349CH](https://openairdocs.org/stc/SE04349CH): Installation of SureFly electronic ignition. SureFly Partners Ltd. Lists O-540-A1A
- [STC SE01954SE](https://openairdocs.org/stc/SE01954SE): Installation of engine crankcase seal. Ly-Con Rebuilding Company. Lists O-540-A1A
- [STC SE02352CH](https://openairdocs.org/stc/SE02352CH): Installation of Challenger cleanable oil filter assembly. Challenger Aviation Products Inc. Lists O-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 O-540-A1A
- [STC SE2388CE](https://openairdocs.org/stc/SE2388CE): Installation of B&C Speciality Products lightweight (10.2) pounds) engine starter, part number BC-315-100-1 (12 volts) or part number BC-315-100-3 (24 volts). B & C Specialty Products Inc
- [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 O-540-A1A
- [STC SE40WE](https://openairdocs.org/stc/SE40WE): Installation of two Roto-Master Turbochargers Model No. 3DT5FF10J2, P/N 600572-00 (formerly Rayjay Model No. 315F10 P/N RJ0080-100, -101, or - 102). TALCO Aviation. Lists O-540-A1A
- [STC SE01436LA](https://openairdocs.org/stc/SE01436LA): Installation of Firewall Forward Technologies LLC modified camshaft. Centri-lube Technologies LLC. Lists O-540-A1A
- [STC SE04577CH](https://openairdocs.org/stc/SE04577CH): Install an electronic engine ignition system. Electroair Acquisition Corp. Lists O-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 O-540-A1A
- [STC SE01537AT](https://openairdocs.org/stc/SE01537AT): Replace counterweights on Lycoming O-540-A1A5, -A1B5, -A1C5, -A1D5, and IO-540-C1B5 engines. Whelen Aerospace Technologies. Lists O-540-A1A5
- [STC SE8628SW](https://openairdocs.org/stc/SE8628SW): Installation of oil nozzles for lubrication of cam and filters. Cygnet Aerospace Corp. Lists O-540-A1A
- [STC SE1339SW](https://openairdocs.org/stc/SE1339SW): Modify pistons to Drawings 11007 and 11015; piston rings. Continental Motors, Inc. Lists O-540-E4A5
- [STC SE4408SW](https://openairdocs.org/stc/SE4408SW): Miscellaneous engine cylinder replacement parts. Continental Motors, Inc
- [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc
- [STC SE00218NY](https://openairdocs.org/stc/SE00218NY): Replacement of Lycoming starter with SKY-TEC 12 volt starter installed. Hartzell Engine Technologies, LLC
- [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 O-540-A1A
- [STC SE00357NY](https://openairdocs.org/stc/SE00357NY): Replacement of Lycoming starter with SKY-TEC 24-volt starter installed. Hartzell Engine Technologies, LLC
- [STC SE04241AT](https://openairdocs.org/stc/SE04241AT): Installation of (Bendix) Precision Airmotive fuel injection system which replaces the original Marvel Schebler carburetor model MA-4-5, P/N 10-5042. Nicky L. Watts. Lists O-540-B4B5
- [STC SE2901NM](https://openairdocs.org/stc/SE2901NM): Lycoming valve cover gasket. Real Gaskets Tennessee. Lists O-540-A1A
- [STC SE02051AK](https://openairdocs.org/stc/SE02051AK): Grind nitrided high compression cylinder barrels to plus 0.010 overside and install P10 piston, P10 compression rings, and P10 oil rings. Custom Aircraft Inc. Lists O-540-J1A5D
- [STC SE5869SW](https://openairdocs.org/stc/SE5869SW): Install turbosupercharger. Desert Wind Air Service. Lists O-540-A1D5
- [STC SE00768CH](https://openairdocs.org/stc/SE00768CH): Replace Slick 6000, 6100, 6200 and 6300 series magnetos and TCM/Bendix S6-20, S6-200 and S6-1200 series magnetos with the Champion Limited Authority Spark Advance Regulator (LASARTM) ignition system. Champion Aerospace LLC
- [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 O-540-A1A
- [STC SE922GL](https://openairdocs.org/stc/SE922GL): Installation of a Shadin Company fuel flow transducer. Shadin Avionics. Lists O-540-A1A
- [STC SE7734SW](https://openairdocs.org/stc/SE7734SW): Modification of engine for operation with ethanol fuel. Shauck Dr Maxwell E Jr. Lists O-540-A1A
- [STC SE01943CH](https://openairdocs.org/stc/SE01943CH): Add the following approved fuels: unleaded automotive gasoline 87 minimum antiknock index, per ASTM Specification D-439 or D-4814 of any volatility class, A through E, or 82UL AVGAS per ASTM D-6227. Experimental Aircraft Association Inc. Lists O-540-B1A5
- [STC SE956GL](https://openairdocs.org/stc/SE956GL): Superseded by STC SE01943CH. Add approved fuel: unleaded automotive gasoline, 87 minimum antiknock index. EAA Aviation Foundation. Lists O-540-B1A5
- [STC SE1779NM](https://openairdocs.org/stc/SE1779NM): Installation of Precise Flight, Inc. Standby Vacuum System SVS III. Precise Flight Inc. Lists O-540-A1A
- [STC SE17WE](https://openairdocs.org/stc/SE17WE): Installation of AiResearch Turbosupercharger 406330. GE Engine Services-Corporate Aviation Inc. DBA Garrett Aviation Services. Lists O-540-A1A
- [STC SE5743NM](https://openairdocs.org/stc/SE5743NM): Intallation of adapter for externally mounted oil filter. Aviation Development Corporation. Lists O-540-A1A
- [STC SE00337NY](https://openairdocs.org/stc/SE00337NY): Installation of 'second wind' auxiliary vacuum system carburetor adapter assembly. To be performed with STC SA00336NY. Flight Life, Inc. Lists O-540-A1A
- [STC SE1433GL](https://openairdocs.org/stc/SE1433GL): Convert Lycoming aircraft engine Model O-540-B2B5 or O-540-B2C5 rated at 235 hp at 2575 rpm to a O-540-B2B5-C-AlD5 or O-540-B2C5-C-A1D5 rated at 250 hp at 2575 rpm maximum. Kron Howard. Lists O-540-B2B5
- [STC SE00890LA](https://openairdocs.org/stc/SE00890LA): Installation of Nickson's cylinder barrels on Lycoming reciprocating engine models. Nickson's Machine Shop Inc
- [STC SE01949AT](https://openairdocs.org/stc/SE01949AT): Engine modification to convert Lycoming model O-540-D4A5 and install engine turbonormalization systme which includes 2 ea. Rotomaster model 30T5FF10J2 turbochargers (part number 600572-00) and 1 ea. Harrison Intercooler (part number KA-128). K-Aero. Lists O-540-E4A5
- [STC SE1-201](https://openairdocs.org/stc/SE1-201): Installation of the Richter Aero Equipment Type B-4 or B-5 Temperature Probe. (O-360 SERIES (excl. A1C, C2B, C2D)). MidContinent Instru Co Inc
- [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 SE00663WI](https://openairdocs.org/stc/SE00663WI): Add the following approved fuel: Leaded and unleaded automotive gasoline, 91 minimum antiknock index. Intermixing with aviation gasoline also approved. Petersen Aviation Inc. Lists O-540-F1B5
- [STC SE8023SW](https://openairdocs.org/stc/SE8023SW): Installation and usage of AEROSHELL. Shell Development Co
- [STC SE2653CE](https://openairdocs.org/stc/SE2653CE): Add leaded and unleaded automotive gasoline, 91 minimum antiknock index (RON+MON)/2 per ASTM Specification D-439. Petersen Aviation Inc. Lists O-540-A1A
- [STC SE741NE](https://openairdocs.org/stc/SE741NE): Installation of 'Auto-Vac-4' primary vacuum system. Raymond Ives. Lists O-540-B1B5
- [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp
- [STC SE318NE](https://openairdocs.org/stc/SE318NE): Installation of 'auto-vac-2' auxiliary instrument vacuum system. Raymond Ives. Lists O-540-A1A
- [STC SE3552NM](https://openairdocs.org/stc/SE3552NM): Modification of crankshaft damper configuration. Johnston Aircraft Svc, Inc. Lists O-540-A1A
- [STC SE3360NM](https://openairdocs.org/stc/SE3360NM): Installation of a vacuum pump on the hydraulic pump pad. Ron & John's Comanche Service. Lists O-540-E4A5
- [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

All 59: https://openairdocs.org/engine/lycoming-0-540-series/stcs.md

---
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.
