# Lycoming IO-540-K1A5

- Type: Engine model (FAA registry)
- Registry code: 41663
- Manufacturer (registry): LYCOMING
- Model: IO-540-K1A5
- Engine type: Reciprocating
- Power: 300 hp
- Data sheet: [TCDS 1E4](https://openairdocs.org/tcds/1E4) (OpenAirDocs)
- Holder: Lycoming Engines
- Installed in: 44 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-io-540-k1a5

Model codes come from the FAA registry's reference file.

## 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 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 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 2012-03-06](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 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 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 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 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 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 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 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 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 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 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

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 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 2008-14-07](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 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 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) (7)

- [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-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-08-32](https://openairdocs.org/saib/NE-08-32) (historical): Propeller Governor Set Screw. Issued Jul 3, 2008

## Registered aircraft (44)

- [N104DP](https://openairdocs.org/aircraft/N104DP): [Majul Enterprises Inc](https://openairdocs.org/faa-owner/MAJUL%20ENTERPRISES%20INC), [Saint Petersburg, FL](https://openairdocs.org/faa-place/FL/Saint%20Petersburg), S/N 3340
- [N1064G](https://openairdocs.org/aircraft/N1064G): [Anding Jay B](https://openairdocs.org/faa-owner/ANDING%20JAY%20B), [Bryan, TX](https://openairdocs.org/faa-place/TX/Bryan), built 1979, S/N 5007
- [N143DW](https://openairdocs.org/aircraft/N143DW): [Cardinal Aviation LLC](https://openairdocs.org/faa-owner/CARDINAL%20AVIATION%20LLC), [Towson, MD](https://openairdocs.org/faa-place/MD/Towson), built 1974, S/N 32-7440164
- [N152VP](https://openairdocs.org/aircraft/N152VP): [Conservation Aviation LLC](https://openairdocs.org/faa-owner/CONSERVATION%20AVIATION%20LLC), [Washington, DC](https://openairdocs.org/faa-place/DC/Washington), built 2011, S/N GA8-11-160
- [N166RB](https://openairdocs.org/aircraft/N166RB): [Mf Plane Management LLC](https://openairdocs.org/faa-owner/MF%20PLANE%20MANAGEMENT%20LLC), [Wesley Chapel, FL](https://openairdocs.org/faa-place/FL/Wesley%20Chapel), built 1974, S/N 32-7440138
- [N253P](https://openairdocs.org/aircraft/N253P): [Alan Negrin Aviation Services LLC](https://openairdocs.org/faa-owner/ALAN%20NEGRIN%20AVIATION%20SERVICES%20LLC), [Kirkland, WA](https://openairdocs.org/faa-place/WA/Kirkland), built 2013, S/N 3027
- [N255KH](https://openairdocs.org/aircraft/N255KH): [Smith Steward Joseph](https://openairdocs.org/faa-owner/SMITH%20STEWARD%20JOSEPH), [Reno, NV](https://openairdocs.org/faa-place/NV/Reno), built 1973, S/N 327340114
- [N289HR](https://openairdocs.org/aircraft/N289HR): [Jcm Development Co LLC](https://openairdocs.org/faa-owner/JCM%20DEVELOPMENT%20CO%20LLC), [Manchester, NH](https://openairdocs.org/faa-place/NH/Manchester), built 1975, S/N 32-7640044
- [N291BW](https://openairdocs.org/aircraft/N291BW): [Wings Over Kauai LLC](https://openairdocs.org/faa-owner/WINGS%20OVER%20KAUAI%20LLC), [Kalaheo, HI](https://openairdocs.org/faa-place/HI/Kalaheo), built 2017, S/N GA8-17-240
- [N4002W](https://openairdocs.org/aircraft/N4002W): [Ball David J](https://openairdocs.org/faa-owner/BALL%20DAVID%20J), [Shreveport, LA](https://openairdocs.org/faa-place/LA/Shreveport), built 1966, S/N 32-40019
- [N41AL](https://openairdocs.org/aircraft/N41AL): [Mclain Aviation LLC](https://openairdocs.org/faa-owner/MCLAIN%20AVIATION%20LLC), [Lyons, GA](https://openairdocs.org/faa-place/GA/Lyons), S/N 32-7240107
- [N4224R](https://openairdocs.org/aircraft/N4224R): [Elkins S Investments Inc](https://openairdocs.org/faa-owner/ELKINS%20S%20INVESTMENTS%20INC), [Cary, NC](https://openairdocs.org/faa-place/NC/Cary), built 1969, S/N 32-40589
- [N44JY](https://openairdocs.org/aircraft/N44JY): [Acre LLC](https://openairdocs.org/faa-owner/ACRE%20LLC), [Abilene, KS](https://openairdocs.org/faa-place/KS/Abilene), built 1969, S/N 32-40637
- [N451NK](https://openairdocs.org/aircraft/N451NK): [Sink Craig S](https://openairdocs.org/faa-owner/SINK%20CRAIG%20S), [Queen Creek, AZ](https://openairdocs.org/faa-place/AZ/Queen%20Creek), built 1973, S/N 327340027
- [N477CM](https://openairdocs.org/aircraft/N477CM): [Canin Daniel G](https://openairdocs.org/faa-owner/CANIN%20DANIEL%20G), [Palmdale, CA](https://openairdocs.org/faa-place/CA/Palmdale), built 2003, S/N 3206
- [N510CM](https://openairdocs.org/aircraft/N510CM): [Flanagan John F](https://openairdocs.org/faa-owner/FLANAGAN%20JOHN%20F), [Eagle, ID](https://openairdocs.org/faa-place/ID/Eagle), built 1994, S/N 3117
- [N512FC](https://openairdocs.org/aircraft/N512FC): [Flights For Christ](https://openairdocs.org/faa-owner/FLIGHTS%20FOR%20CHRIST), [Mount Vernon, IL](https://openairdocs.org/faa-place/IL/Mount%20Vernon), built 2007, S/N GA8-07-112
- [N513BC](https://openairdocs.org/aircraft/N513BC): [Cangiano Brandon P](https://openairdocs.org/faa-owner/CANGIANO%20BRANDON%20P), [Agua Dulce, CA](https://openairdocs.org/faa-place/CA/Agua%20Dulce), built 2007, S/N 238
- [N5216S](https://openairdocs.org/aircraft/N5216S): [Spearfish, SD](https://openairdocs.org/faa-place/SD/Spearfish), built 1970, S/N 32-40910, Sale reported
- [N521AV](https://openairdocs.org/aircraft/N521AV): [Grant Aviation Inc](https://openairdocs.org/faa-owner/GRANT%20AVIATION%20INC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 2013, S/N GA8-13-199
- [N523AV](https://openairdocs.org/aircraft/N523AV): [Grant Aviation Inc](https://openairdocs.org/faa-owner/GRANT%20AVIATION%20INC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 2014, S/N GA8-14-201
- [N524AV](https://openairdocs.org/aircraft/N524AV): [Grant Aviation Inc](https://openairdocs.org/faa-owner/GRANT%20AVIATION%20INC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 2015, S/N GA8-15-214
- [N525AV](https://openairdocs.org/aircraft/N525AV): [Global Air Concepts LLC](https://openairdocs.org/faa-owner/GLOBAL%20AIR%20CONCEPTS%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 2016, S/N GA8-16-227
- [N561PK](https://openairdocs.org/aircraft/N561PK): [Klopchic Peter G](https://openairdocs.org/faa-owner/KLOPCHIC%20PETER%20G), [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle), built 1973, S/N 32-7340124
- [N578GV](https://openairdocs.org/aircraft/N578GV): [Grant Aviation Inc](https://openairdocs.org/faa-owner/GRANT%20AVIATION%20INC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 2004, S/N GA8-04-066
- [N588AV](https://openairdocs.org/aircraft/N588AV): [Air Ventures Hawaii LLC](https://openairdocs.org/faa-owner/AIR%20VENTURES%20HAWAII%20LLC), [Lihue, HI](https://openairdocs.org/faa-place/HI/Lihue), built 2005, S/N GA8-05-076
- [N606CP](https://openairdocs.org/aircraft/N606CP): [Grant Aviation Inc](https://openairdocs.org/faa-owner/GRANT%20AVIATION%20INC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 2003, S/N GA8-03-036
- [N616AV](https://openairdocs.org/aircraft/N616AV): [Southern Aviation Ga LLC](https://openairdocs.org/faa-owner/SOUTHERN%20AVIATION%20GA%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 2016, S/N GA8-16-228
- [N617AV](https://openairdocs.org/aircraft/N617AV): [Southern Aviation Ga LLC](https://openairdocs.org/faa-owner/SOUTHERN%20AVIATION%20GA%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 2016, S/N GA8-16-230
- [N645CH](https://openairdocs.org/aircraft/N645CH): [Webster Jason M](https://openairdocs.org/faa-owner/WEBSTER%20JASON%20M), [Orlando, FL](https://openairdocs.org/faa-place/FL/Orlando), built 1972, S/N 327240135
- [N65HP](https://openairdocs.org/aircraft/N65HP): [Ohio Department Of Public Safety](https://openairdocs.org/faa-owner/OHIO%20DEPARTMENT%20OF%20PUBLIC%20SAFETY), [Columbus, OH](https://openairdocs.org/faa-place/OH/Columbus), built 2018, S/N GA8-TC-320-18-247
- [N699AV](https://openairdocs.org/aircraft/N699AV): [Air Ventures Hawaii LLC](https://openairdocs.org/faa-owner/AIR%20VENTURES%20HAWAII%20LLC), [Lihue, HI](https://openairdocs.org/faa-place/HI/Lihue), built 2006, S/N GA8-06-106
- [N7050F](https://openairdocs.org/aircraft/N7050F): [City Of Houston](https://openairdocs.org/faa-owner/CITY%20OF%20HOUSTON), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston), built 2020, S/N GA8-20-262
- [N71AJ](https://openairdocs.org/aircraft/N71AJ): [Kamrath Keith R](https://openairdocs.org/faa-owner/KAMRATH%20KEITH%20R), [Hutchinson, MN](https://openairdocs.org/faa-place/MN/Hutchinson), built 2010, S/N 3314
- [N721AV](https://openairdocs.org/aircraft/N721AV): [Air Ventures Hawaii LLC](https://openairdocs.org/faa-owner/AIR%20VENTURES%20HAWAII%20LLC), [Lihue, HI](https://openairdocs.org/faa-place/HI/Lihue), built 2007, S/N GA8-07-121
- [N747DL](https://openairdocs.org/aircraft/N747DL): [Soaring Eagle Aviation LLC](https://openairdocs.org/faa-owner/SOARING%20EAGLE%20AVIATION%20LLC), [Missoula, MT](https://openairdocs.org/faa-place/MT/Missoula), built 2023, S/N 41524
- [N753SE](https://openairdocs.org/aircraft/N753SE): [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 2014, S/N GA8-15-209
- [N80UF](https://openairdocs.org/aircraft/N80UF): [Werner William S](https://openairdocs.org/faa-owner/WERNER%20WILLIAM%20S), [Melbourne, FL](https://openairdocs.org/faa-place/FL/Melbourne), built 2011, S/N 6-25-81
- [N824DC](https://openairdocs.org/aircraft/N824DC): [Divita Mark J](https://openairdocs.org/faa-owner/DIVITA%20MARK%20J), [Midlothian, TX](https://openairdocs.org/faa-place/TX/Midlothian), built 1994, S/N 3232
- [N841MB](https://openairdocs.org/aircraft/N841MB): [Aircraft Guaranty Corp Trustee](https://openairdocs.org/faa-owner/AIRCRAFT%20GUARANTY%20CORP%20TRUSTEE), [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City), built 2004, S/N GA8-04-047
- [N8577C](https://openairdocs.org/aircraft/N8577C): [Waldmiller Robert Joseph](https://openairdocs.org/faa-owner/WALDMILLER%20ROBERT%20JOSEPH), [Rosamond, CA](https://openairdocs.org/faa-place/CA/Rosamond), built 1976, S/N 32-7740001
- [N86BE](https://openairdocs.org/aircraft/N86BE): [Emery Odus D Jr](https://openairdocs.org/faa-owner/EMERY%20ODUS%20D%20JR), [Weslaco, TX](https://openairdocs.org/faa-place/TX/Weslaco), built 2007, S/N 3042
- [N9000M](https://openairdocs.org/aircraft/N9000M): [Saipan Transportation Management Solutions Inc](https://openairdocs.org/faa-owner/SAIPAN%20TRANSPORTATION%20MANAGEMENT%20SOLUTIONS%20INC), [Saipan, MP](https://openairdocs.org/faa-place/MP/Saipan), built 1971, S/N 32-7240053
- [N945JK](https://openairdocs.org/aircraft/N945JK): [Sweetair Aviation](https://openairdocs.org/faa-owner/SWEETAIR%20AVIATION), [West Monroe, LA](https://openairdocs.org/faa-place/LA/West%20Monroe), built 1971, S/N 32-7140039

## NTSB investigations (8)

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 ANC25LA021](https://openairdocs.org/ntsb/ANC25LA021), Feb 28, 2025: Gippsland GA-8 (N699AV), Lihue, HI, substantial damage. Probable cause: The failure of the right landing gear leg due to a fatigue crack, which resulted in its separation from the airplane during taxi. Contributing to the accident, was the mechanic’s inadequate…
- [NTSB WPR22LA204](https://openairdocs.org/ntsb/WPR22LA204), Jun 4, 2022: Piper PA-32-300 (N561PK), Snohomish, WA, substantial damage. Probable cause: The total loss of engine power during takeoff due to fuel starvation and the pilot’s improper fuel tank selection and inadequate preflight inspection.
- [NTSB GAA19CA239](https://openairdocs.org/ntsb/GAA19CA239), May 2, 2019: Gippsland GA8 (N524AV), Bethel, AK, substantial damage. Probable cause: The pilot's failure to maintain adequate clearance from a shipping container while taxiing.
- [NTSB GAA18CA368](https://openairdocs.org/ntsb/GAA18CA368), Jun 18, 2018: Piper PA 32-300 (N41AL), Columbia, SC, substantial damage. Probable cause: The pilot's failure to maintain directional control during landing.
- [NTSB CEN14LA504](https://openairdocs.org/ntsb/CEN14LA504), Sep 18, 2014: Saccio Thomas A Seawind 3000 (N516SW), Bloomington, IN, destroyed, 2 fatal. Probable cause: An in-flight fire for reasons that could not be determined because the examination of the airplane did not reveal the source of the fire.
- [NTSB CEN12LA543](https://openairdocs.org/ntsb/CEN12LA543), Aug 7, 2012: Cross David L Glasair III (N71AJ), Westcliffe, CO, substantial damage. Probable cause: The loss of oil pressure due to the failure of an oil filter gasket, which resulted in a total loss of engine power.
- [NTSB MIA94LA017](https://openairdocs.org/ntsb/MIA94LA017), Nov 7, 1993: Piper PA-32-300 (N9000M), Plymouth, FL, substantial damage. Probable cause: TOTAL FAILURE OF THE CRANKSHAFT DUE TO FATIGUE RESULTING IN A FORCED LANDING AND SUBSEQUENT HARD LANDING.
- [NTSB MKC76DTK10](https://openairdocs.org/ntsb/MKC76DTK10), Oct 14, 1975: Piper PA-32 (N5216S), Flandreau, SD, substantial damage

## FAA accident and incident reports (18)

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 20260228001549I](https://openairdocs.org/incident/20260228001549I), Feb 28, 2026: Gippsland GA-8 (N578GV), Bethel, AK, Minor damage. The aircraft cargo door unlatched and opened in cruise flight. A passenger attempted to close the door but was unable to. The flight continued at cruise speed…
- [Incident 20250608009419I](https://openairdocs.org/incident/20250608009419I), Jun 8, 2025: Piper PA-32-300 (N5216S), Pierre, SD, Minor damage. On June 8, 2025, at 12:00 a PA-32-300, [privacy data omitted], was involved in an incident during takeoff rotation when the aircraft returned to the ground and…
- [Accident 20250228002379A](https://openairdocs.org/incident/20250228002379A), Feb 28, 2025: Gippsland GA-8 (N699AV), Lihue, HI, Substantial damage. Aircraft completed flight and landed on runway 21R before turning onto taxiway where it's RH main landing gear collapsed. Aircraft was shutdown and evacuated…
- [Incident 20240805015379I](https://openairdocs.org/incident/20240805015379I), Aug 5, 2024: Gippsaero GA8 (N523AV), Eek, AK, Minor damage. Airman departed runway 18 at Eek, AK. The airman failed to back taxi and use the whole length of the runway. The airman had to abort the takeoff and ended up…
- [Incident 20240503004199I](https://openairdocs.org/incident/20240503004199I), May 3, 2024: Gippsaero GA8 (N521AV), Mertarvik, AK, Minor damage. The pilot was taxiing with his head down looking at avionics. The aircraft propeller struck a stack of cargo boxes on the ramp while taxing to the runway.
- [Incident 20230223001319I](https://openairdocs.org/incident/20230223001319I), Feb 23, 2023: Gippsaero Pty Ltd GA8 (N525AV), Tuluksak, AK, Minor damage. This was a part 91 training flight for [privacy data omitted]. During the departure roll from Tuluksak Airport Alaska the instructor who was flying stated that…
- [Accident 20220604017469A](https://openairdocs.org/incident/20220604017469A), Jun 4, 2022: Piper PA-32-300 (N561PK), Snohomish, WA, Substantial damage. After landing at Harvey Field Airport, WA (S43) and taxiing off the active runway, the PIC stated the engine started to lose power then surged. After the PIC…
- [Incident 20220421002539I](https://openairdocs.org/incident/20220421002539I), Apr 21, 2022: Gippsaero Pty Ltd GA8 (N525AV), Emmonak, AK, Minor damage. The pilot stated during an interview that the preflight inspection was done inside the hanger and ramp personnel pushed the aircraft out of the hanger, however…
- [Incident 20211229021499I](https://openairdocs.org/incident/20211229021499I), Dec 29, 2021: Pettigrew Richard B GLASAIR III (N104DP), Melbourne, FL, No damage. The pilot landed on runway 27 at Melbourne, Florida airport with no issues. When the pilot attempted a right turn onto the taxiway at the airport, the pilot…
- [Accident 20190501003709A](https://openairdocs.org/incident/20190501003709A), May 1, 2019: Gippsaero GA8 (N524AV), Bethel, AK, Substantial damage. Last flight of the day the airman taxied the aircraft into a tie-down spot nearest to the grant aviation, inc. maintenance hangar, as he did for the past two…
- [Incident 20181009016789I](https://openairdocs.org/incident/20181009016789I), Oct 9, 2018: Gippsaero GA8 (N523AV), Emmonak, AK, Minor damage. 10/08/2018: Pilot was returning to Emmonak from alaknak after a 135 charter flight at approximately 1720 hours during daylight hours. At the time of the…
- [Incident 20180618008179I](https://openairdocs.org/incident/20180618008179I), Jun 18, 2018: Piper PA-32-300 (N41AL), Columbia, SC, Minor damage. During roll out on runway 29 at the Columbia metro airport (cae) the aircraft pulled hard left, PIC could not keep aircraft on the runway.
- [Accident 20140918016209A](https://openairdocs.org/incident/20140918016209A), Sep 18, 2014: Saccio Thomas A SEAWIND 3000 (N516SW), Bloomington, IN, Destroyed, 2 fatal. On September 18, 2014, at approximately 1325 eastern daylight time (EDT), N516SW, a seawind 3000 experimental aircraft, crashed while on a visual approach…
- [Accident 20120807017009A](https://openairdocs.org/incident/20120807017009A), Aug 7, 2012: Cross David L GLASAIR III (N71AJ), Westcliff, CO, Substantial damage. On 08/07/2012, N71AJ, a glasair experimental kit-built aircraft experienced off-airport landing due to catastrophic engine failure. Aircraft substantially…
- [Incident 19950916035229I](https://openairdocs.org/incident/19950916035229I), Sep 16, 1995: Piper PA32300 (N9000M), Jacksonville, FL, Minor damage. Nose baggage door opened in pattern. And tore off over wooded area. Landed safely.
- [Accident 19931107046159A](https://openairdocs.org/incident/19931107046159A), Nov 7, 1993: Piper PA32300 (N9000M), Plymouth, FL, Substantial damage. Engine failed on climbout. Struck fence post on forced landing. Crankshaft had failed due fatigue.
- [Incident 19860821076189I](https://openairdocs.org/incident/19860821076189I), Aug 21, 1986: Piper PA32300 (N5216S), Kenmare, ND, Minor damage. Landed short of sod runway in gusting wind conditions.
- [Accident 19751014032929A](https://openairdocs.org/incident/19751014032929A), Oct 14, 1975: Piper PA32300 (N5216S), Flandreau, SD, Substantial damage. Acft porpoised aftr nose wheel entrd gopher hole.

## Service difficulty reports (167, newest 50)

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

- [SDR 1SMA20260615001](https://openairdocs.org/sdr/1SMA20260615001), Jun 15, 2026: BRAKE. BURNED. DURING TAXI FOLLOWING CONSECUTIVE REJECTED TAKEOFFS, THE AIRCRAFT EXPERIENCED A LANDING GEAR BRAKE FIRE. INVESTIGATION REVEALED THAT THE HEAT GENERATED BY THE C
- [SDR 2026FA0000157](https://openairdocs.org/sdr/2026FA0000157), Mar 4, 2026: DOWEL PIN. SHEARED. THE MAGNETO IMPULSE COUPLER LOCKED UP AND BROKE THE GEARS INSIDE THE BACK OF THE ENGINE. THIS SHEARED THE DOWEL PIN IN THE BACK OF THE CRANKSHAFT CAUSING ENGINE
- [SDR 2025FA0000541](https://openairdocs.org/sdr/2025FA0000541), Aug 11, 2025: OIL FILTER. OUT OF ALIGNMENT. TEMPEST OIL FILTER FOUND DEFECTIVE AT INSPECTION. NEW OIL FILTER HAS A MANUFACTURING DEFECT. THE MOUNT THREADS ARE NOT TRUE TO CENTERLINE OF THE FILTER. THIS IS
- [SDR 2025FA0000542](https://openairdocs.org/sdr/2025FA0000542), Jul 24, 2025: OIL FILTER. DEFECTIVE. TEMPEST OIL FILTER PN AA48109 FOUND DEFECTIVE AT INSPECTION. NEW OIL FILTER HAS A MANUFACTURING DEFECT. THE MOUNT THREADS ARE NOT TRUE TO CENTERLINE OF THE FILT
- [SDR ENHA20241205001](https://openairdocs.org/sdr/ENHA20241205001), Nov 29, 2024: CYLINDER. CRACKED. DURING PREFLIGHT PILOT NOTICED THE ENGINE HAD AN OIL LEAK. MAINTENANCE INSPECTED AND DETERMINED THAT THE CRANKCASE NEAR NUMBER 6 CYLINDER WAS CRACKED NEAR THE F
- [SDR 1SMA20210916001](https://openairdocs.org/sdr/1SMA20210916001), Sep 16, 2021: ROCKER COVER. LEAKING. DURING A SCHEDULED MAINTENANCE INSPECTION OF THE ENGINE ROCKER BOX COVERS, EVIDENCE OF OIL SEEPING FROM CYLINDER #5 ROCKER BOX COVER AREA WAS DISCOVERED ON RAIS
- [SDR 1SMA20210628001](https://openairdocs.org/sdr/1SMA20210628001), Jun 28, 2021: ROCKER COVER. LEAKING. DURING A SCHEDULED MAINTENANCE INSPECTION OF THE ENGINE ROCKER BOX COVERS, EVIDENCE OF OIL SEEPING FROM CYLINDER #4 ROCKER BOX COVER AREA WAS DISCOVERED ON RAIS
- [SDR 1SMA20210601001](https://openairdocs.org/sdr/1SMA20210601001), May 21, 2021: ROCKER COVER. LEAKING. DURING A SCHEDULED MAINTENANCE INSPECTION OF THE ENGINE ROCKER BOX COVERS, EVIDENCE OF OIL SEEPING FROM THE CYLINDER #5 ROCKER BOX COVER AREA WAS DISCOVERED ON 
- [SDR 1SMA2021040501](https://openairdocs.org/sdr/1SMA2021040501), Apr 5, 2021: ROCKER COVER. LEAKING. DURING A SCHEDULED VISUAL INSPECTION OF THE ENGINE, EVIDENCE OF OIL SEEPING FROM THE CYLINDER ROCKER BOX COVER AREA WAS DISCOVERED ON TWO CYLINDERS. USING SOAP 
- [SDR 2020F00282](https://openairdocs.org/sdr/2020F00282), May 24, 2020: CYLINDER HEAD. CRACKED. PILOT NOTICED BURNING SMELL AND A SPIKE IN OIL TEMPERATURE. PILOT LANDED AT NEAREST AIRPORT. MECHANIC FOUND CRACKED CYLINDER.
- [SDR 2020FA0000239](https://openairdocs.org/sdr/2020FA0000239), Apr 27, 2020: NUT. MISSING. CREW BEGAN FLIGHT TRAINING TO GET RE QUALIFIED FOR GA8. AFTER COMPLETING PRACTICE MANEUVERS,CREW PROCEEDED TO AKIACHAK TO DO SPOT LANDING WITH CROSSWIND. AFTER 
- [SDR 1SMA202004021](https://openairdocs.org/sdr/1SMA202004021), Apr 2, 2020: SPAR. CORRODED. DURING A SCHEDULED INSPECTION OF THE MAIN WING SPAR PER PIPER'S PA-32-300 SERVICE MANUAL SPECIAL INSPECTION REQUIREMENTS AND AFT WING SPAR PER PIPER SERVICE BUL
- [SDR ENHA201911190001](https://openairdocs.org/sdr/ENHA201911190001), Nov 12, 2019: FLOAT VALVE. MALFUNCTIONED. PILOT WAS DOING IOE, ON THE WAY BACK FROM CYF TO BET CREW NOTICE ONLY FUEL WAS ONLY COMING OUT OF R/H FUEL TANK.R/H FUEL TANK WENT FROM 1/2 TO 1/4 IN 10 MINUTES
- [SDR ENHA2019100400001](https://openairdocs.org/sdr/ENHA2019100400001), Oct 4, 2019: TRANSFER SYS. MALFUNCTIONED. PILOT STATED BEFORE LEEAVING, TOPPED OFF THE TANKS. DURING FLIGHT, NOTICED THE FUEL TANKS WERE FEEDING UNEVENLY. FURTHER INTO THE FLIGHT THE PROBLEM DID NOT COR
- [SDR ENHA2019072500001](https://openairdocs.org/sdr/ENHA2019072500001), Jul 23, 2019: SPARK PLUG. FOULED. LOSS OF RPM ON CLIMB. MX DETERMINED CAUSE WAS FOULED SPARK PLUG.
- [SDR ENHA2019072500002](https://openairdocs.org/sdr/ENHA2019072500002), Jul 23, 2019: SPARK PLUG. FOULED. LOSS OF RPM ON CLIMB. MX DETERMINED CAUSE WAS FOULED SPARK PLUG.
- [SDR T72A20190411001](https://openairdocs.org/sdr/T72A20190411001), Apr 11, 2019: CRANKSHAFT. BROKEN. PILOT REPORTED, ENGINE MADE A LOUD NOISE THEN LOST POWER AND STOPPED TURNING. AIRCRAFT WAS FORCED TO MAKE A LANDING IN SEMI-FROZEN TUNDRA AND FOLDED THE NOSE GE
- [SDR 2019FA0000077](https://openairdocs.org/sdr/2019FA0000077), Mar 17, 2019: GASKET. LOOSE. VALVE COVER GASKET LEAKING.
- [SDR 2018FA0000147](https://openairdocs.org/sdr/2018FA0000147), Apr 18, 2018: RIVET. SHEARED. LEFT MAGNETO IMPULSE COUPLING FAILED. . AD 99-04-04 APPLIES TO THIS MAGNETO ENGINE COMBINATION. INTERVAL FOR REPETITIVE INSPECTIONS IS 250 HRS. MAGNETO HAD BEEN
- [SDR 9QFR20180427001](https://openairdocs.org/sdr/9QFR20180427001), Apr 11, 2018: IMPULSE COUPLING. BROKEN. THE AIRCRAFT WOULD NOT START. TROUBLESHOT THE SYSTEM AND FOUND THE MAGNETO IMPULSE COUPLING HAD BROKEN AND THAT THE PROP WOULD NO LONGER TURN THE ACCESSORY GEAR
- [SDR 1SMA201710310001](https://openairdocs.org/sdr/1SMA201710310001), Oct 31, 2017: MAGNETO. MALFUNCTIONED. AFTER INITIATING TAKEOFF ROLL BY ADVANCING THROTTLE FULL FORWARD, PILOT NOTED LESS THAN NORMAL POWER AND VERIFIED MAXIMUM RPM ACHIEVED WAS 2000 RPM. PILOT REJEC
- [SDR 1SMA201707161](https://openairdocs.org/sdr/1SMA201707161), Jul 7, 2017: JOINT. FAILED. AFTER TAKING OFF AND SETTING CLIMB POWER, PILOT NOTED THROTTLE MOVEMENT HAD NO IMPACT ON MANIFOLD PRESSURE SETTING AND HE WAS UNABLE TO CONTROL THE ENGINE POWER
- [SDR N3N2016060700001](https://openairdocs.org/sdr/N3N2016060700001), Oct 1, 2015: COIL. FAILED. MAGNETOS 6393 & 6350 AND SPARK PLUGS REM38E . THESE MAGNETOS ARE CONSISTENT AT FAILING. WE HAD TO KEEP 2 SPARES OF EACH MAGNETO ON THE SHELF AND SPAR INTERNAL R
- [SDR CA150623005](https://openairdocs.org/sdr/CA150623005), Jun 20, 2015: OIL COOLER. LEAKING. (CAN) PILOT FLEW AIRCRAFT ON AN HOUR FLIGHT AND WHEN PUSHING HIS AIRCRAFT BACK INTO HIS HANGAR, NOTICED LARGE AMOUNTS OF OIL ON THE LOWER PART OF THE COWLING AN
- [SDR 2014FA0000548](https://openairdocs.org/sdr/2014FA0000548), Sep 22, 2014: BOLT. BROKEN. DURING CRUISE FLIGHT, THE ENGINE QUIT WITHOUT WARNING. ACFT MADE AN OFF FIELD LANDING WITH NO DAMAGE TO THE ACFT. DURING MX, NOTED THAT THE VACUUM PUMP COUPLING
- [SDR 2014F00138](https://openairdocs.org/sdr/2014F00138), Jul 30, 2014: MAGNETO. FAULTED. PILOT REPORTED THAT DURING TAKEOFF ROLL, ENGINE DID NOT SEEM TO BE PRODUCING FULL POWER AND WASN'T REACHING MAX RPM. TAKEOFF ABORTED AND DURING TAXI TO TERMINAL
- [SDR 2013FA0000436](https://openairdocs.org/sdr/2013FA0000436), Aug 9, 2013: PUMP. LEAKING. PRESENCE OF FUEL NOTED ON AFT PORTION OF NOSE WHEEL FAIRING AS ACFT WAS SHUTDOWN. ON RESTART, STEADY STREAM OF FUEL WAS SEEN LEAKING FROM THE LOWER COWLING, ENG
- [SDR 2012FA0000833](https://openairdocs.org/sdr/2012FA0000833), Dec 24, 2012: MAGNETO. OUT OF SEQUENCE. PILOT REPORTED THAT SHORTLY AFTER TAKEOFF, FELT A SURGING, BUT DID NOT SEE ANY APPRECIABLE INDICATION ON THE RPM, MANIFOLD PRESSURE OR FUEL FLOW INDICATORS. ON 
- [SDR CA130108001](https://openairdocs.org/sdr/CA130108001), Oct 26, 2012: SPINNER. CRACKED. (CAN) PROP WAS IMPROPERLY INSTALLED DURING NEW PROP INSTALLATION. DURING WALK ROUND INSPECTION OWNER FOUND CRACK IN THE SPINNER. UPON SPINNER REMOVAL PROPELLER 
- [SDR CA120910002](https://openairdocs.org/sdr/CA120910002), Sep 10, 2012: SPINNER. CRACKED. (CAN) SPINNER DOME CRACKED. THIRD CRACKED DOME IN 2 YEARS. MFG WELL AWARE OF PROBLEM.
- [SDR 2012F00139](https://openairdocs.org/sdr/2012F00139), Jul 16, 2012: CAP. FAILED. PILOT MADE AN IMMEDIATE RETURN TO AIRPORT AND UNSCHEDULED LANDING AFTER ENCOUNTERING ROUGH RUNNING ENGINE AND PARTIAL LOSS OF RPM AT APPROX 500 FEET AGL, AFTER 
- [SDR 2012F00132](https://openairdocs.org/sdr/2012F00132), Jul 10, 2012: CRANK ASSY. BROKEN. PRIOR TO EVENT FLIGHT PILOT REPORTED AN UNUSUAL SOUND WHILE ON APPROACH TO LAND. THE ENGINE FAILED 35 MINUTES INTO A 40 MINUTE FLIGHT. THE PILOT PULLED THE THRO
- [SDR 1SMA2012FA0000032](https://openairdocs.org/sdr/1SMA2012FA0000032), Jan 18, 2012: TIRE. DEFECTIVE. WHILE SECURING ACFT AFTER FLIGHT, PILOT REPORTED RT MAIN TIRE WAS FLAT. INVESTIGATION REVEALED THAT ONE COMPLETE SECTION OF TREAD HAD DEBONDED AND COME OFF OF T
- [SDR 2012FA0000589](https://openairdocs.org/sdr/2012FA0000589), Aug 5, 2011: BRUSHES. FAILED. ON DEPLOYING LANDING GEAR, COULD NOT GET A NOSE GEAR INDICATION. RAN THROUGH EMERGANCY PROCEDURES SEVERAL TIMES TO NO AVAIL (ALSO NOTED GEAR WOULD NO LONGER RET
- [SDR CA110401009](https://openairdocs.org/sdr/CA110401009), Mar 31, 2011: LIFTER. FAILED. (CAN) NEW LIFTER BODY BROKE UP DURING TEST RUN AFTER ENGINE O/H. MFG HAS REQUESTED THAT THE BROKEN LIFTER BODY BE SHIPPED TO THEM.
- [SDR 2010FA0001113](https://openairdocs.org/sdr/2010FA0001113), Sep 6, 2010: CAPACITOR. FAILED. PILOT REPORTED WILD AND ERRATIC READINGS ON THE GRAPHIC ENGINE ANALYZER (EIUBG-16( AND LOUD STATIC IN THE HEADSETS THROUGH THE RADIOS. TROUBLESHOOTING REVEALED 
- [SDR 2010FA0000156](https://openairdocs.org/sdr/2010FA0000156), Feb 2, 2010: DIAPHRAGM. LEAKING. CUSTOMER REPORTED ROUGH RUNNING ENGINE. FOUND FUEL FLOW DIVIDER ON ENGINE WAS LEAKING FUEL FROM DIAPHRAGM. HAD UNIT O/H AND FOUND PART TO ORIGINAL JAN 1967 PART
- [SDR FFKA142](https://openairdocs.org/sdr/FFKA142), Oct 29, 2009: LINE. CRACKED. PILOT REPORTED A VERY STRONG ODOR OF FUEL INSIDE OF COCKPIT AND THAT SHORTLY AFTER TAKEOFF THE FUEL PRESSURE GAUGE HAD SUDDENLY DROPPED INTO THE BOTTOM SIDE OF 
- [SDR 2009F00056](https://openairdocs.org/sdr/2009F00056), Jul 23, 2009: CRANKCASE. CRACKED. A 5-6 IN CRACK DEVELOPED IN CRANKCASE HALF JUST FWD OF THE NR 6 CYL BETWEEN THE OIL DIPSTICK AND THE TOP LT THRU BOLT ON THE NR 6 CYL. OIL WAS DISCOVERED IN THA
- [SDR CA090310005](https://openairdocs.org/sdr/CA090310005), Mar 9, 2009: SPAR. CRACKED. (CAN) LOWER FWD RUDDER SPAR FOUND CRACKED. CRACKS FOUND STEMMING FROM THE 2 RIVETS USED TO ATTACH RUDDER HORN.
- [SDR OVF2008F00000](https://openairdocs.org/sdr/OVF2008F00000), May 8, 2008: BRUSHES. WORN. THIS IS AN UPDATE OF A SDR FILED 15 APRIL, 2008. MAGNETOS, FUEL PUMP, AND FUEL INJECTOR SERVO WERE SENT TO THE RESPECTIVE OEM`S. MAGNETOS WERE SENT TO MFG FOR A
- [SDR OVF2008F00001](https://openairdocs.org/sdr/OVF2008F00001), May 8, 2008: BRUSHES. WORN. AIRCRAFT EXPERIENCED AN ENGINE FAILURE. ATTEMPTS TO RESTART ENGINE FAILED AND SAFE LANDING WAS ACCOMPLISHED. CAUSE OF FAILURE REMAINS UNKNOWN AT THIS TIME. MAGN
- [SDR 2008F00016](https://openairdocs.org/sdr/2008F00016), Apr 15, 2008: ENGINE. FAILED. AIRCRAFT EXPERIENCED AN ENGINE FAILURE. ATTEMPTS TO RESTART ENGINE FAILED AND A SAFE LANDING WAS ACCOMPLISHED. CAUSE OF FAILURE REMAINS UNKNOWN AT THIS TIME. (K
- [SDR FFKA121](https://openairdocs.org/sdr/FFKA121), Nov 26, 2007: GOVERNOR. MALFUNCTIONED. PILOT REPORTED THAT THE TACHOMETER WAS INDICATING 100 RPMS HIGHER THEN RECOMMENDED BY THE ENGINE MANUFACTURE AFTER TAKEOFF AND HAD NO CONTROL OF THE PROPELLER G
- [SDR FFKA120](https://openairdocs.org/sdr/FFKA120), Nov 21, 2007: GOVERNOR. MALFUNCTIONED. PILOT REPORTED THAT THE TACHOMETER WAS INDICATING 100 RPMS HIGHER THEN RECOMMENDED BY THE ENGINE MANUFACTURE AFTER TAKEOFF PILOT HAD NO CONTROL OF THE PROPELLER
- [SDR 2007FA0000883](https://openairdocs.org/sdr/2007FA0000883), Aug 7, 2007: AXLE. BROKEN. ON TAXI TO TAKEOFF, AC TURNED AROUND AFTER BACK TAXI. PIVOTING ON LT M/G. SIDE LOAD BROKE AXLE AT END OF DRILLED OUT CENTER. EVIDENCE OF PREVIOUS CRACKING FROM 
- [SDR HN8R200700001](https://openairdocs.org/sdr/HN8R200700001), Dec 23, 2006: SCREEN. CONTAMINATED. FOUND 2 PIECES OF METAL IN THE OIL SUMP SUCTION SCREEN DURING ANNUAL INSPECTION. ONE PIECE LOOKS LIKE A DRILLED OUT HELI COIL .5 INCH LONG X .25 WIDE AND THE OT
- [SDR HN8R200600001](https://openairdocs.org/sdr/HN8R200600001), Dec 7, 2006: SERVO. DEFECTIVE. NOSE DOWN AUTO TRIM INOP WAS REPORTED BY PILOT. TROUBLESHOOTING REVEALED THE AUTOPILOT COMPUTER WAS NOT RECEIVING INPUT CALLING FOR NOSE DOWN TRIM FROM THIS PIT
- [SDR CA061026004](https://openairdocs.org/sdr/CA061026004), Oct 26, 2006: INDICATOR. BURNED. (CAN) PILOT REPORTED MALFUNCTION OF PITOT HEAT BREAKER SWITCH, UPON INSPECTION, CIRCUIT BOARD ATTACHED TO BACK OF SWITCH WAS FOUND BADLY BURNT AND END OF WIRE C
- [SDR 2006FA0001059](https://openairdocs.org/sdr/2006FA0001059), Oct 20, 2006: LIFTER. BROKEN. LIFTER BROKE. (K)

All 167: https://openairdocs.org/engine/lycoming-io-540-k1a5/reports.md

## STCs that may be installed (OpenAirDocs) (45)

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
- [STC SE04349CH](https://openairdocs.org/stc/SE04349CH): Installation of SureFly electronic ignition. SureFly Partners Ltd
- [STC SE01954SE](https://openairdocs.org/stc/SE01954SE): Installation of engine crankcase seal. Ly-Con Rebuilding Company
- [STC SE02352CH](https://openairdocs.org/stc/SE02352CH): Installation of Challenger cleanable oil filter assembly. Challenger Aviation Products Inc
- [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
- [STC SE2387CE](https://openairdocs.org/stc/SE2387CE): Installation of B & C Speciality Products lightweight (10.2 pounds) engine starter P/N BC 315-100-1(12 volt) or P/N BC 315-100-3(24 volt). B & C Specialty Products Inc. Lists IO-540 Series
- [STC SE03309CH](https://openairdocs.org/stc/SE03309CH): Installation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt application. Hartzell Propeller Inc
- [STC SE6WE](https://openairdocs.org/stc/SE6WE): Installation of two Roto-Master Turbochargers Model No. 3DT5FF10J2, P/N 600572-00 (formerly Rajay Model 315F10, P/N RJ0080-100, or 102). TALCO Aviation
- [STC SE01436LA](https://openairdocs.org/stc/SE01436LA): Installation of Firewall Forward Technologies LLC modified camshaft. Centri-lube Technologies LLC
- [STC SE04577CH](https://openairdocs.org/stc/SE04577CH): Install an electronic engine ignition system. Electroair Acquisition Corp
- [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
- [STC SE8628SW](https://openairdocs.org/stc/SE8628SW): Installation of oil nozzles for lubrication of cam and filters. Cygnet Aerospace Corp
- [STC SE09445SC](https://openairdocs.org/stc/SE09445SC): Installation of fuel injector nozzles. General Aviation Modifications Inc. Lists IO-540 Series
- [STC SE1339SW](https://openairdocs.org/stc/SE1339SW): Modify pistons to Drawings 11007 and 11015; piston rings. Continental Motors, Inc
- [STC SE4408SW](https://openairdocs.org/stc/SE4408SW): Miscellaneous engine cylinder replacement parts. Continental Motors, Inc. Lists IO-540 Series
- [STC SE7509SW](https://openairdocs.org/stc/SE7509SW): 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. Lists IO-540 Series
- [STC SE7667SW](https://openairdocs.org/stc/SE7667SW): Installation of parts listed on Drawing List No. 8810-3, Rev 6. Continental Motors, Inc. Lists IO-540 Series
- [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc. Lists IO-540 Series
- [STC SE00218NY](https://openairdocs.org/stc/SE00218NY): Replacement of Lycoming starter with SKY-TEC 12 volt starter installed. Hartzell Engine Technologies, LLC. Lists IO-540 Series
- [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
- [STC SE00357NY](https://openairdocs.org/stc/SE00357NY): Replacement of Lycoming starter with SKY-TEC 24-volt starter installed. Hartzell Engine Technologies, LLC. Lists IO-540 Series
- [STC SE2901NM](https://openairdocs.org/stc/SE2901NM): Lycoming valve cover gasket. Real Gaskets Tennessee
- [STC SE2902NM](https://openairdocs.org/stc/SE2902NM): Lycoming valve cover gasket. Real Gaskets Tennessee
- [STC SE7582SW](https://openairdocs.org/stc/SE7582SW): Grinding of high compression NITRIDED Cylinders to .010 oversize, as an alternative to chrome plating or rebarreling, and the installation of SL10207 P10 Piston, SL74241 P10 Top and second compression ring, and SL 73857 P10 oil control ring. Superior Air Parts, Inc
- [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
- [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. Lists IO-540 Series
- [STC SE01524CH](https://openairdocs.org/stc/SE01524CH): Replace Slick 6000, 6100, 6200, 6300, 4000, 4100, 4200, and 4300 series magnetos and TCM/Bendix S6-20, S6-200, S6-1200, S-20, S-200, and S-1200 series magnetos with Champion Limited Authority Spark Advance Regulator (LASAR ) Model 4755 and 6755 bush kit ignition systems. Champion Aerospace LLC
- [STC SE611GL](https://openairdocs.org/stc/SE611GL): Incorporation of a fuel flow transducer. Shadin Avionics
- [STC SE01930NY](https://openairdocs.org/stc/SE01930NY): Installation of Casper Labs 90 degree oil filter housing adapter. Casper Labs Inc
- [STC SE1779NM](https://openairdocs.org/stc/SE1779NM): Installation of Precise Flight, Inc. Standby Vacuum System SVS III. Precise Flight Inc
- [STC SE22WE](https://openairdocs.org/stc/SE22WE): Installation of AiResearch Turbosupercharger 406610-3. Approved for IO-540-J4A5 model. GE Engine Services-Corporate Aviation Inc. DBA Garrett Aviation Services. Lists IO-540 Series
- [STC SE5743NM](https://openairdocs.org/stc/SE5743NM): Intallation of adapter for externally mounted oil filter. Aviation Development Corporation
- [STC SE00890LA](https://openairdocs.org/stc/SE00890LA): Installation of Nickson's cylinder barrels on Lycoming reciprocating engine models. Nickson's Machine Shop Inc. Lists IO-540 Series
- [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. Lists IO-540 Series
- [STC SE00350SE](https://openairdocs.org/stc/SE00350SE): Installation of sump mounted chip detector. Aviation Development Corporation
- [STC SE8023SW](https://openairdocs.org/stc/SE8023SW): Installation and usage of AEROSHELL. Shell Development Co. Lists IO-540 Series
- [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp. Lists IO-540 Series
- [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. Lists IO-540 Series
- [STC SE5924SW](https://openairdocs.org/stc/SE5924SW): Installation of stainless steel replacement exhaust studs on AVCO engines. Perrigo & Steele Aircraft Engr Company. Lists IO-540 Series
- [STC SE244NE](https://openairdocs.org/stc/SE244NE): Installation of Mattituck plasma flame sprayed cylinder barrels in Teledyne reciprocating engines. Mattituck Airbase, Inc. Lists IO-540 Series
- [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. Lists IO-540 Series
- [STC SE1445SO](https://openairdocs.org/stc/SE1445SO): Use of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines. ProTec. Lists IO-540 Series
- [STC SE128NE](https://openairdocs.org/stc/SE128NE): Use of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines. AMS/OIL. Lists IO-540 Series
- [STC SE44WE](https://openairdocs.org/stc/SE44WE): Use of Kling Aviation Oil, Specifications KL-100, KL-200 and KL-300 in Continental and Lycoming engines. Kling Oil Company. Lists IO-540 Series
- [STC SA01436DE](https://openairdocs.org/stc/SA01436DE) (historical): Installation of Firewall Forward Technologies, LLC modified camshaft. Centri-Lube Technologies LLC

## 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.

- [ES66M19385](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186804045820251216184409.0001): Clamp, Magneto. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 66M19385 · 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
- [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
- [ES10-349247](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155835169920251216184407.0001): Retainer, Bearing. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349247 · 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
- [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
- [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
- [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
- [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
- [ES10-349221](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
- [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
- [AE944](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157009852420250908153027.0001): Rotor Shaft. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number ALE-273 · Aug 27, 2025
- [AE45BS-E](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID143460060920250908153031.0001): Brush Rack Assembly. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number ALE-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
- [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
- [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
- [FFT-PLG-004](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID162830829420240801144312.0001): Cam End Plug. Centri-Lube Technologies LLC · PMA PQ2043NM · Modification part · Jul 16, 2024
- [AA48111-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID120682187320240813134136.0001): Oil Filter. Aero Accessories LLC · PMA PQ1206CE · Replaces Aero AccessoriesAA48111Champion… · Jul 12, 2024
- [CFSTD-160](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170676910820240715164045.0001): Washer,  1/4 Lock, Internal Teeth. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces STD-160 · Jun 24, 2024
- [CFLW-25-0.50](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156998595520240715164044.0001): Bolt,      1/4-20 X 0.50 HEX HD. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces LW-25-0.50 · Jun 24, 2024
- [CF75009](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147128829420240715164042.0001): Bracket, Fuel Manifold. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces 75009 · Jun 24, 2024
- [CFSTD-251](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID129676558220240715164045.0001): Washer, #10 Lock, Internal Teeth. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces STD-251 · Jun 24, 2024
- [CFSTD-82](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID123933662120240715164045.0001): Screw,   #10-24 X 1/2, RD HD. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces STD-82 · Jun 24, 2024
- [201F-5003](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182515755020240701174400.0001): Fuel Pump. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Lear RomecRG17980D/MLycoming… · Jun 20, 2024
- [ES3018](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID194884707820251216184204.0001): Clamp, Bearing Cap. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3018 · May 20, 2024
- [AM-3021](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID194256093820251216184144.0001): Screw Distributor Block. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3021 · May 20, 2024
- [ES5617](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190223284620251216184226.0001): Machining, Rotating Magnet. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M5617 · May 20, 2024
- [ES3221](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189601053820251216184228.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3221 · May 20, 2024
- [AK-3975](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181109606820251216184201.0001): Coil, Ignition. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3009, M3114, M3525, K3975, K3975 · May 20, 2024
- [AM-3015](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180990573320251216184149.0001): Screw, Housing. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3015 · May 20, 2024
- [AM-3006](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178460806720251216184151.0001): Bearing. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3006 · May 20, 2024
- [AM2536](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175576430320251216184152.0001): Woodruff Key. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M2536 · May 20, 2024
- [ES3040](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175045989620251216184205.0001): Coil Wedge. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3040 · May 20, 2024
- [ES917](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170587168620251216184202.0001): Impulse Coupling Spring. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M917 · May 20, 2024
- [AK-3984](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168254730520251216184200.0001): Capacitor. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3183, K3984 · May 20, 2024

All of them: https://openairdocs.org/engine/lycoming-io-540-k1a5/pma.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.