# Lycoming IO-360-B4A

- Type: Engine model (FAA registry)
- Registry code: 41867
- Manufacturer (registry): LYCOMING
- Model: IO-360-B4A
- Engine type: Reciprocating
- Power: 180 hp
- Data sheet: [TCDS 1E10](https://openairdocs.org/tcds/1E10) (OpenAirDocs)
- Holder: Lycoming Engines
- Installed in: 985 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-io-360-b4a

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 2026-04-11](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 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 2009-26-12](https://openairdocs.org/ad/2009-26-12): Cylinder assemblies · Engine Components Reciprocating Engine Cylinder Assemblies, AEIO-320-D1B, AEIO-320-D2B and 264 more. Effective Feb 4, 2010
- [AD 2009-02-03](https://openairdocs.org/ad/2009-02-03): Fuel injection servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 261 more. Effective Feb 9, 2009
- [AD 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 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 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 98-02-08](https://openairdocs.org/ad/98-02-08): Crankshaft · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 216 more. Effective Mar 30, 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 95-07-01](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 90-04-06 R1](https://openairdocs.org/ad/90-04-06-R1): Propeller Governor External Oil Line · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 427 more. Effective May 28, 1991
- [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 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 73-10-02](https://openairdocs.org/ad/73-10-02): Bendix Fuel Injectors · Bendix Fuel Injectors, AIO-320-A1A, AIO-320-A1B and 88 more. Effective May 16, 1973
- [AD 67-01-04](https://openairdocs.org/ad/67-01-04): Oil Filters · Full flow oil filter (Superior Flow STC SA401SW or 2 others). Effective Jan 2, 1967

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 2008-19-05](https://openairdocs.org/ad/2008-19-05) (historical): Parallel Valve'' reciprocating engines · Engine Components Reciprocating Engine Cylinder Assemblies, AEIO-320-D1B, AEIO-320-D2B and 262 more. Effective Oct 20, 2008
- [AD 2008-14-07](https://openairdocs.org/ad/2008-14-07) (historical): Externally mounted fuel injector fuel lines · Textron Lycoming, AVCO AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 185 more. Effective Aug 14, 2008
- [AD 2008-08-14](https://openairdocs.org/ad/2008-08-14) (historical): Fuel injection servo plugs · Superior Air Parts AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 242 more. Effective Apr 29, 2008
- [AD 2008-06-51](https://openairdocs.org/ad/2008-06-51) (historical): Fuel injection servo plugs · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 235 more
- [AD 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 (985, first 50)

- [N100EU](https://openairdocs.org/aircraft/N100EU): [Sky West Aviation Inc Trustee](https://openairdocs.org/faa-owner/SKY%20WEST%20AVIATION%20INC%20TRUSTEE), [Albuquerque, NM](https://openairdocs.org/faa-place/NM/Albuquerque), built 2021, S/N 28020030
- [N100HW](https://openairdocs.org/aircraft/N100HW): [Yale Companies LLC](https://openairdocs.org/faa-owner/YALE%20COMPANIES%20LLC), [Fishers, IN](https://openairdocs.org/faa-place/IN/Fishers), built 2025, S/N 2881884
- [N101HW](https://openairdocs.org/aircraft/N101HW): [Yale Companies LLC DBA](https://openairdocs.org/faa-owner/YALE%20COMPANIES%20LLC%20DBA), [Fishers, IN](https://openairdocs.org/faa-place/IN/Fishers), built 2025, S/N 2881920
- [N1045](https://openairdocs.org/aircraft/N1045): [Paragon Airplane Leasing Co](https://openairdocs.org/faa-owner/PARAGON%20AIRPLANE%20LEASING%20CO), [Fort Myers, FL](https://openairdocs.org/faa-place/FL/Fort%20Myers), built 2024, S/N 28020177
- [N104AA](https://openairdocs.org/aircraft/N104AA): [Meridian Aircraft LLC](https://openairdocs.org/faa-owner/MERIDIAN%20AIRCRAFT%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2022, S/N 2881573
- [N104DH](https://openairdocs.org/aircraft/N104DH): [Piper Aircraft Inc](https://openairdocs.org/faa-owner/PIPER%20AIRCRAFT%20INC), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach), built 2026, S/N 2881999
- [N105DJ](https://openairdocs.org/aircraft/N105DJ): [Delta Juliet Holco I LLC](https://openairdocs.org/faa-owner/DELTA%20JULIET%20HOLCO%20I%20LLC), [Ocoee, FL](https://openairdocs.org/faa-place/FL/Ocoee), built 2025, S/N 2881910
- [N105HW](https://openairdocs.org/aircraft/N105HW): [Yale Companies LLC DBA](https://openairdocs.org/faa-owner/YALE%20COMPANIES%20LLC%20DBA), [Fishers, IN](https://openairdocs.org/faa-place/IN/Fishers), built 2026, S/N 2881996
- [N106DJ](https://openairdocs.org/aircraft/N106DJ): [Delta Juliet Holco I LLC](https://openairdocs.org/faa-owner/DELTA%20JULIET%20HOLCO%20I%20LLC), [Ocoee, FL](https://openairdocs.org/faa-place/FL/Ocoee), built 2025, S/N 2881911
- [N1080U](https://openairdocs.org/aircraft/N1080U): [Board Of Regents Of The University Of Oklahoma](https://openairdocs.org/faa-owner/BOARD%20OF%20REGENTS%20OF%20THE%20UNIVERSITY%20OF%20OKLAHOMA), [Norman, OK](https://openairdocs.org/faa-place/OK/Norman), built 2025, S/N 28020231
- [N108HW](https://openairdocs.org/aircraft/N108HW): [Yale Companies LLC DBA](https://openairdocs.org/faa-owner/YALE%20COMPANIES%20LLC%20DBA), [Fishers, IN](https://openairdocs.org/faa-place/IN/Fishers), built 2026, S/N 2881997
- [N10958](https://openairdocs.org/aircraft/N10958): [Aero Quest LLC](https://openairdocs.org/faa-owner/AERO%20QUEST%20LLC), [Olive Branch, MS](https://openairdocs.org/faa-place/MS/Olive%20Branch), built 2025, S/N 28020251
- [N112LG](https://openairdocs.org/aircraft/N112LG): [Ab Prop Plane I LLC](https://openairdocs.org/faa-owner/AB%20PROP%20PLANE%20I%20LLC), [Metairie, LA](https://openairdocs.org/faa-place/LA/Metairie), built 2025, S/N 2881907
- [N115TW](https://openairdocs.org/aircraft/N115TW): [Yale Companies LLC DBA](https://openairdocs.org/faa-owner/YALE%20COMPANIES%20LLC%20DBA), [Indianapolis, IN](https://openairdocs.org/faa-place/IN/Indianapolis), built 2023, S/N 28020133
- [N1160U](https://openairdocs.org/aircraft/N1160U): [Piper Aircraft Inc](https://openairdocs.org/faa-owner/PIPER%20AIRCRAFT%20INC), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach), built 2025, S/N 28020245
- [N117HW](https://openairdocs.org/aircraft/N117HW): [Yale Companies LLC DBA](https://openairdocs.org/faa-owner/YALE%20COMPANIES%20LLC%20DBA), [Fishers, IN](https://openairdocs.org/faa-place/IN/Fishers), built 2026, S/N 2881998
- [N119BT](https://openairdocs.org/aircraft/N119BT): [Delaware US Investments LLC](https://openairdocs.org/faa-owner/DELAWARE%20US%20INVESTMENTS%20LLC), [Corpus Christi, TX](https://openairdocs.org/faa-place/TX/Corpus%20Christi), built 2022, S/N 2881522
- [N120MG](https://openairdocs.org/aircraft/N120MG): [Paragon Airplane Leasing Co](https://openairdocs.org/faa-owner/PARAGON%20AIRPLANE%20LEASING%20CO), [Fort Myers, FL](https://openairdocs.org/faa-place/FL/Fort%20Myers), built 2022, S/N 28020071
- [N121LM](https://openairdocs.org/aircraft/N121LM): [Golden Age N121lm LLC](https://openairdocs.org/faa-owner/GOLDEN%20AGE%20N121LM%20LLC), [Des Moines, IA](https://openairdocs.org/faa-place/IA/Des%20Moines), built 2022, S/N 2881529
- [N1230U](https://openairdocs.org/aircraft/N1230U): [Piper Aircraft Inc](https://openairdocs.org/faa-owner/PIPER%20AIRCRAFT%20INC), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach), built 2026, S/N 28020277
- [N1250U](https://openairdocs.org/aircraft/N1250U): [Piper Aircraft Inc](https://openairdocs.org/faa-owner/PIPER%20AIRCRAFT%20INC), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach), built 2025, S/N 28020246
- [N12HF](https://openairdocs.org/aircraft/N12HF): [Paragon Airplane Leasing Co](https://openairdocs.org/faa-owner/PARAGON%20AIRPLANE%20LEASING%20CO), [Fort Myers, FL](https://openairdocs.org/faa-place/FL/Fort%20Myers), built 2023, S/N 28020131
- [N1310U](https://openairdocs.org/aircraft/N1310U): [Piper Aircraft Inc](https://openairdocs.org/faa-owner/PIPER%20AIRCRAFT%20INC), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach), built 2025, S/N 28020247
- [N131CA](https://openairdocs.org/aircraft/N131CA): [Coast Flight Training And Management Inc](https://openairdocs.org/faa-owner/COAST%20FLIGHT%20TRAINING%20AND%20MANAGEMENT%20INC), [San Diego, CA](https://openairdocs.org/faa-place/CA/San%20Diego), built 2020, S/N 2881353
- [N131LL](https://openairdocs.org/aircraft/N131LL): [Aims Community College](https://openairdocs.org/faa-owner/AIMS%20COMMUNITY%20COLLEGE), [Greeley, CO](https://openairdocs.org/faa-place/CO/Greeley), built 2020, S/N 2881345
- [N131PA](https://openairdocs.org/aircraft/N131PA): [Ameriflyers Of Texas Inc](https://openairdocs.org/faa-owner/AMERIFLYERS%20OF%20TEXAS%20INC), [Addison, TX](https://openairdocs.org/faa-place/TX/Addison), built 2022, S/N 28020055
- [N132CA](https://openairdocs.org/aircraft/N132CA): [Coast Flight Training And Management Inc](https://openairdocs.org/faa-owner/COAST%20FLIGHT%20TRAINING%20AND%20MANAGEMENT%20INC), [San Diego, CA](https://openairdocs.org/faa-place/CA/San%20Diego), built 2020, S/N 2881354
- [N134WS](https://openairdocs.org/aircraft/N134WS): [Kenmore Crew Leasing Inc Trustee](https://openairdocs.org/faa-owner/KENMORE%20CREW%20LEASING%20INC%20TRUSTEE), [Bellingham, WA](https://openairdocs.org/faa-place/WA/Bellingham), built 2023, S/N 28020137
- [N137ND](https://openairdocs.org/aircraft/N137ND): [Und Aerospace Foundation](https://openairdocs.org/faa-owner/UND%20AEROSPACE%20FOUNDATION), [Grand Forks, ND](https://openairdocs.org/faa-place/ND/Grand%20Forks), built 2026, S/N 28010008
- [N138BL](https://openairdocs.org/aircraft/N138BL): [Solera Aviation LLC](https://openairdocs.org/faa-owner/SOLERA%20AVIATION%20LLC), [Bozeman, MT](https://openairdocs.org/faa-place/MT/Bozeman), built 2025, S/N 2881955
- [N138VA](https://openairdocs.org/aircraft/N138VA): [Mysky LLC](https://openairdocs.org/faa-owner/MYSKY%20LLC), [Saint Louis, MO](https://openairdocs.org/faa-place/MO/Saint%20Louis), built 2023, S/N 28020112
- [N1440U](https://openairdocs.org/aircraft/N1440U): [Piper Aircraft Inc](https://openairdocs.org/faa-owner/PIPER%20AIRCRAFT%20INC), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach), built 2025, S/N 28020248
- [N144AM](https://openairdocs.org/aircraft/N144AM): [Stardust Aviation LLC](https://openairdocs.org/faa-owner/STARDUST%20AVIATION%20LLC), [Farmingdale, NY](https://openairdocs.org/faa-place/NY/Farmingdale), built 2021, S/N 28020016
- [N145AR](https://openairdocs.org/aircraft/N145AR): [Piper Aircraft Inc](https://openairdocs.org/faa-owner/PIPER%20AIRCRAFT%20INC), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach), built 2026, S/N 28010047
- [N148A](https://openairdocs.org/aircraft/N148A): [Paragon Flight Training Co](https://openairdocs.org/faa-owner/PARAGON%20FLIGHT%20TRAINING%20CO), [Fort Myers, FL](https://openairdocs.org/faa-place/FL/Fort%20Myers), built 2025, S/N 28020203
- [N148FC](https://openairdocs.org/aircraft/N148FC): [Department Of Agriculture & Consumer Scvs](https://openairdocs.org/faa-owner/DEPARTMENT%20OF%20AGRICULTURE%20%26%20CONSUMER%20SCVS), [Tallahassee, FL](https://openairdocs.org/faa-place/FL/Tallahassee), built 2022, S/N 2881520
- [N151DL](https://openairdocs.org/aircraft/N151DL): [Bd Aviation LLC](https://openairdocs.org/faa-owner/BD%20AVIATION%20LLC), [Sauget, IL](https://openairdocs.org/faa-place/IL/Sauget), built 2021, S/N 28020040
- [N152AR](https://openairdocs.org/aircraft/N152AR): [Piper Aircraft Inc](https://openairdocs.org/faa-owner/PIPER%20AIRCRAFT%20INC), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach), built 2026, S/N 28010048
- [N154AR](https://openairdocs.org/aircraft/N154AR): [Piper Aircraft Inc](https://openairdocs.org/faa-owner/PIPER%20AIRCRAFT%20INC), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach), built 2026, S/N 28010049
- [N154PA](https://openairdocs.org/aircraft/N154PA): [Paragon Airplane Leasing Co](https://openairdocs.org/faa-owner/PARAGON%20AIRPLANE%20LEASING%20CO), [Fort Myers, FL](https://openairdocs.org/faa-place/FL/Fort%20Myers), built 2020, S/N 28020012
- [N155AR](https://openairdocs.org/aircraft/N155AR): [Piper Aircraft Inc](https://openairdocs.org/faa-owner/PIPER%20AIRCRAFT%20INC), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach), built 2026, S/N 28010050
- [N157AR](https://openairdocs.org/aircraft/N157AR): [Piper Aircraft Inc](https://openairdocs.org/faa-owner/PIPER%20AIRCRAFT%20INC), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach), built 2026, S/N 28010053
- [N157WA](https://openairdocs.org/aircraft/N157WA): [United States Air Force - Owner](https://openairdocs.org/faa-owner/UNITED%20STATES%20AIR%20FORCE%20-%20OWNER), [Hanscom Afb, MA](https://openairdocs.org/faa-place/MA/Hanscom%20Afb), built 2019, S/N 2881157
- [N161TF](https://openairdocs.org/aircraft/N161TF): [Airmart Inc](https://openairdocs.org/faa-owner/AIRMART%20INC), [Lexington, KY](https://openairdocs.org/faa-place/KY/Lexington), built 2022, S/N 2881549
- [N163AV](https://openairdocs.org/aircraft/N163AV): [Piper Aircraft Inc](https://openairdocs.org/faa-owner/PIPER%20AIRCRAFT%20INC), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach), built 2026, S/N 28010061
- [N164AV](https://openairdocs.org/aircraft/N164AV): [Piper Aircraft Inc](https://openairdocs.org/faa-owner/PIPER%20AIRCRAFT%20INC), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach), built 2026, S/N 28010060
- [N164LH](https://openairdocs.org/aircraft/N164LH): [Piper Aircraft Inc](https://openairdocs.org/faa-owner/PIPER%20AIRCRAFT%20INC), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach), built 2026, S/N 28010063
- [N165AV](https://openairdocs.org/aircraft/N165AV): [Piper Aircraft Inc](https://openairdocs.org/faa-owner/PIPER%20AIRCRAFT%20INC), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach), built 2026, S/N 28010059
- [N1668](https://openairdocs.org/aircraft/N1668): [Paragon Airplane Leasing Co](https://openairdocs.org/faa-owner/PARAGON%20AIRPLANE%20LEASING%20CO), [Fort Myers, FL](https://openairdocs.org/faa-place/FL/Fort%20Myers), built 2024, S/N 28020178
- [N166LH](https://openairdocs.org/aircraft/N166LH): [Farmingdale State College](https://openairdocs.org/faa-owner/FARMINGDALE%20STATE%20COLLEGE), [Farmingdale, NY](https://openairdocs.org/faa-place/NY/Farmingdale), built 2020, S/N 2881373

All 985: https://openairdocs.org/engine/lycoming-io-360-b4a/aircraft.md

## NTSB investigations (19)

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 ERA26LA156](https://openairdocs.org/ntsb/ERA26LA156), Apr 1, 2026: Piper PA-28-181 (N494LA), Philadelphia, PA, substantial damage, investigation ongoing
- [NTSB ERA26LA149](https://openairdocs.org/ntsb/ERA26LA149), Mar 6, 2026: Piper PA-28-181 (N697LH), Sanford, FL, substantial damage. Probable cause: An in-flight collision with a bird during initial climb.
- [NTSB ERA26LA142](https://openairdocs.org/ntsb/ERA26LA142), Mar 6, 2026: Piper PA-28-181 (N658FT), Chuluota, FL, substantial damage. Probable cause: An in-flight collision with a bird while enroute.
- [NTSB WPR26LA092](https://openairdocs.org/ntsb/WPR26LA092), Jan 21, 2026: Piper PA-28-181 (N505AF), Scottsdale, AZ, substantial damage. Probable cause: The student pilot’s failure to properly adjust their seat and failure to set the parking brake before engine start, which resulted in a collision with parked vehicles.
- [NTSB CEN26LA058](https://openairdocs.org/ntsb/CEN26LA058), Dec 10, 2025: Piper PA28 (N6058F), Conroe, TX, substantial damage. Probable cause: The collision with a deer during takeoff.
- [NTSB ERA25LA350](https://openairdocs.org/ntsb/ERA25LA350), Sep 17, 2025: Piper PA-28-181 (N580JA), Astatula, FL, substantial damage, investigation ongoing
- [NTSB ERA25LA293](https://openairdocs.org/ntsb/ERA25LA293), Aug 7, 2025: Piper PA-28-181 (N686JA), Inverness Highlands South, FL, substantial damage. Probable cause: The pilot’s inadequate monitoring of the airplane during taxi which resulted in collision with a sign.
- [NTSB ERA25LA206](https://openairdocs.org/ntsb/ERA25LA206), May 8, 2025: Piper PA-28-181 (N335BG), Tiffin, OH, substantial damage. Probable cause: The airplane’s collision with a deer on the runway during takeoff.
- [NTSB CEN25LA077](https://openairdocs.org/ntsb/CEN25LA077), Jan 15, 2025: Piper PA-28-181 (N504AF), Addison, TX, substantial damage. Probable cause: A partial loss of engine power during takeoff due to the partial blockage of the fuel diaphragm metering stem and the No. 1 cylinder fuel injector nozzle. Contributing to the accident was maintenance…
- [NTSB ERA24LA369](https://openairdocs.org/ntsb/ERA24LA369), Sep 4, 2024: Piper PA-28-181 (N512AF), Somerville, NJ, substantial damage. Probable cause: A total loss of engine power due to an undetermined fuel delivery issue.
- [NTSB CEN24LA273](https://openairdocs.org/ntsb/CEN24LA273), Jul 16, 2024: Piper PA28 (N220CE), Blaine, MN, substantial damage. Probable cause: The airplane’s collision with a deer on the runway during takeoff.
- [NTSB ERA24LA149](https://openairdocs.org/ntsb/ERA24LA149), Mar 20, 2024: Piper PA28 (N686JA), Apopka, FL, minor damage. Probable cause: The pilot and the landscape worker’s inadequate visual lookout, which resulted in a collision.
- [NTSB WPR23LA238](https://openairdocs.org/ntsb/WPR23LA238), Jun 17, 2023: Piper PA-28-181 (N28034), Mesa, AZ, substantial damage. Probable cause: The student pilot’s improper flare, which resulted in a hard landing.
- [NTSB CEN23LA234](https://openairdocs.org/ntsb/CEN23LA234), May 28, 2023: Piper PA-28-181 (N771ND), Grand Forks, ND, substantial damage. Probable cause: The student pilot’s failure to attain a proper takeoff attitude while demonstrating a soft field takeoff and his improper control inputs resulting in a dragged wing. Contributing to the accident were…
- [NTSB CEN23LA196](https://openairdocs.org/ntsb/CEN23LA196), May 22, 2023: Piper PA-28-181 (N227XY), Kansas City, MO, substantial damage. Probable cause: The student pilot's failure to maintain directional control during takeoff.
- [NTSB ERA23LA155](https://openairdocs.org/ntsb/ERA23LA155), Mar 19, 2023: Piper PA-28-181 (N565TF), Sanford, NC, substantial damage. Probable cause: A loss of directional control while landing, which resulted in a runway excursion and impact with a ditch.
- [NTSB CEN23LA026](https://openairdocs.org/ntsb/CEN23LA026), Nov 5, 2022: Piper PA-28-181 (N787TF), Mesquite, TX, substantial damage. Probable cause: The student pilot’s failure to maintain directional control while taking off from a touch and go landing.
- [NTSB CEN22FA017](https://openairdocs.org/ntsb/CEN22FA017), Oct 19, 2021: Piper PA-28-181 (N820ND), Buxton, ND, destroyed, 1 fatal. Probable cause: The pilot’s intentional flight into terrain as an act of suicide.
- [NTSB CEN14FA325](https://openairdocs.org/ntsb/CEN14FA325), Jun 28, 2014: Doyle James E Skybolt (N619PD), Midlothian, TX, substantial damage, 1 fatal. Probable cause: The pilot’s loss of airplane control while performing an aerobatic maneuver, which resulted in an inverted spin and subsequent collision with terrain.

## FAA accident and incident reports (70, newest 50)

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

- [Incident 20260711009129I](https://openairdocs.org/incident/20260711009129I), Jul 11, 2026: Piper Aircraft Inc PA-28-181 (N619SC), Tulsa, OK, No damage. Taking off runway 19R, achieved 60 knots for rotation, as sp was rotating ip noticed large flock of small birds leave the ground at appx 0730 local time in the…
- [Incident 20260525005879I](https://openairdocs.org/incident/20260525005879I), May 25, 2026: Piper PA-28-181 (N730ND), Grand Forks, ND, Minor damage. During initial takeoff on rwy 27L, the student performed a soft-field takeoff with the CFI in the right seat and an observer in the rear seats. Winds at…
- [Incident 20260502009729I](https://openairdocs.org/incident/20260502009729I), May 2, 2026: Piper PA-28-181 (N863SC), Tulsa, OK, No damage. On final about 10 feet above the runway at about 60KTS a small bird the size of a tennis ball flew into the cowling on the aircraft and bounced off, no damage…
- [Incident 20260306003799I](https://openairdocs.org/incident/20260306003799I), Mar 6, 2026: Piper PA-28-181 (N697LH), Sanford, FL, Minor damage. Struck a bird departing runway 9R and returned to airport immediatly and landed safely.
- [Incident 20260306001869I](https://openairdocs.org/incident/20260306001869I), Mar 6, 2026: Piper PA-28-181 (N658FT), Melbourne, FL, Minor damage. On climb out a large black bird appeared like it was flying over and to left of aircraft. Attempted to lower nose and go to the right. Bird dive bombed left…
- [Accident 20260121005229A](https://openairdocs.org/incident/20260121005229A), Jan 21, 2026: Piper Aircraft Inc PA-28-181 (N505AF), Scottsdale, AZ, Substantial damage. The student pilot typically conducted training flights in the afternoon and was unfamiliar with local procedures regarding the parking brake system. Flight…
- [Accident 20251210020999A](https://openairdocs.org/incident/20251210020999A), Dec 10, 2025: Piper PA-28-181 (N6058F), Conroe, TX, Substantial damage. Aircraft was cleared to take off on rwy 14R and struck a deer on rwy 14R traveling approximatly 40 KTS. Struck a second deer shortly after. Damage to the…
- [Incident 20251105016029I](https://openairdocs.org/incident/20251105016029I), Nov 5, 2025: Piper PA-28-181 (N963ND), Grand Forks, ND, Minor damage. The bird strike occurred at kgfk midfield downwind rwy 35R. The CFI saw 8-10 birds at pattern altitude and felt a "thud" in the rudder pedals and controls. The…
- [Incident 20251006016229I](https://openairdocs.org/incident/20251006016229I), Oct 6, 2025: Piper PA-28-181 (N578SC), Mcalester, OK, Minor damage. A student pilot flew from riverside airport, krvs, to Mcalester airport, kmlc, on October 06, 2025. During the landing at Mcalester the pilot bounced the…
- [Incident 20250922016629I](https://openairdocs.org/incident/20250922016629I), Sep 22, 2025: Piper Aircraft Inc PA-28-181 (N896DF), Cloquet, MN, Minor damage. Pilot was recieving training for an instrument rating and had control of the aircraft while leveling-off in IMC conditions. A bird struck the leading edge of…
- [Accident 20250917019449A](https://openairdocs.org/incident/20250917019449A), Sep 17, 2025: Piper Aircraft Inc PA-28-181 (N580JA), Astatula, FL, Substantial damage. On September 17, 2025, FSDO 15 was notified that an PA-28 aircraft, N508JA flown by a student pilot had made an emergency landing on a dirt road. The student…
- [Incident 20250917014219I](https://openairdocs.org/incident/20250917014219I), Sep 17, 2025: Piper PA-28-181 (N694LH), Sanford, FL, No damage. Pilot statment: on my second traffic pattern solo during my first landing by myself after touching down on centerline smoothly with throttle at the idle…
- [Accident 20250807011669A](https://openairdocs.org/incident/20250807011669A), Aug 7, 2025: Piper PA-28-181 (N686JA), Inverness, FL, Substantial damage. On August 7, 2025, at 1255 EDT, a Piper PA-28-181, [privacy data omitted], registered to[privacy data omitted] struck taxiway sign A3 while taxiing on taxiway…
- [Incident 20250725009829I](https://openairdocs.org/incident/20250725009829I), Jul 25, 2025: Piper PA-28-181 (N382ND), Grand Forks, ND, Minor damage. After landing left of centerline, the student pilot failed to apply the appropriate amount of right rudder during the landing to properly account for…
- [Incident 20250708010049I](https://openairdocs.org/incident/20250708010049I), Jul 8, 2025: Piper Aircraft Inc PA-28-181 (N528BL), Smithfield, NC, Minor damage. It was a routine student training flight. During the pre-flight of the aircraft, no abnormalities were Found. After engine startup, nothing was out of the…
- [Accident 20250507004059A](https://openairdocs.org/incident/20250507004059A), May 7, 2025: Piper Aircraft Inc PA-28-181 (N335BG), Tiffin, OH, Substantial damage. Landed with student pilot on rwy 24, retracted flaps, applied power and accelerated to rotation when deer crossed in front of aircraft too close to react and…
- [Incident 20250429008249I](https://openairdocs.org/incident/20250429008249I), Apr 29, 2025: Piper PA-28-181 (N704ND), Grand Forks, ND, Minor damage. Struck bird on approach into jamestown regional airport (jms). Damage to left hand outboard wing leading edge. Left hand outboard leading edge skin replaced…
- [Incident 20250422004009I](https://openairdocs.org/incident/20250422004009I), Apr 22, 2025: Piper PA-28-181 (N340BG), Bowling Green, OH, No damage. Experienced an in-flight occurrence inside the cabin on a dual training flight in day-vfr conditions. White smoke and a smell of burning plastic was perceived.…
- [Incident 20250326002759I](https://openairdocs.org/incident/20250326002759I), Mar 26, 2025: Piper PA-28-181 (N366MK), Waseca, MN, Minor damage. Student pilot on solo flight performed a short field landing followed by a soft field takeoff. On takeoff, the pilot lost control of the aircraft and veered…
- [Incident 20250305001489I](https://openairdocs.org/incident/20250305001489I), Mar 5, 2025: Piper Aircraft Inc PA-28-181 (N908ND), Grand Forks, ND, No damage. Student pilot selected flaps 40-degrees (full) to perfom in-flight maneuvers, which resulted in flap failure at this setting. Upon landing, personnel noted the…
- [Accident 20250114012979A](https://openairdocs.org/incident/20250114012979A), Jan 14, 2025: Piper Aircraft Inc PA-28-181 (N504AF), Addison Airport, TX, Substantial damage. The pilot expressed he performed all the ground takeoff checks and everything was perfect. All the instruments were in the green before departure. He then…
- [Incident 20241217019569I](https://openairdocs.org/incident/20241217019569I), Dec 17, 2024: Piper PA-28-181 (N761CA), Sanford, FL, No damage. 12/17/2024 At ~0840, a PA28-181 (Piper archer) experienced a runway excursion at the Orlando Sanford International (sfb) airport. The aircraft rolled off of…
- [Incident 20241207021079I](https://openairdocs.org/incident/20241207021079I), Dec 7, 2024: Piper PA-28-181 (N708TF), Hardeeville, SC, Minor damage. Upon departure from ksav, the instrument rated private pilot programed the autopilot for the desired heading and engaged it. The aircraft began to bank off…
- [Incident 20241202019319I](https://openairdocs.org/incident/20241202019319I), Dec 2, 2024: Piper Aircraft Inc PA-28-181 (N225TB), Clearwater, FL, Minor damage. On December 02, 2024, at 1900 EDT, a Piper PA-28, [privacy data omitted], [privacy data omitted], hit a parked tug while taxiing to parking at st Petersburg…
- [Incident 20241031022179I](https://openairdocs.org/incident/20241031022179I), Oct 31, 2024: Piper PA-28-181 (N405CA), Dallas, TX, Minor damage. Aircarft departed runway 35 for left pattern at Dallas Executive (rbd). A student pilot was flying with the CFI. While in the departure leg at approximately…
- [Incident 20241004015049I](https://openairdocs.org/incident/20241004015049I), Oct 4, 2024: Piper PA-28-181 (N229AB), Farmington, MO, No damage. Aircraft was illuminated by a green laser from the 12 o'clock position while heading nw at 4,500 ft 11 miles north west of Farmington Regional Airport. Pilot…
- [Incident 20240917020459I](https://openairdocs.org/incident/20240917020459I), Sep 17, 2024: Piper PA-28-181 (N409CA), Dallas, TX, Minor damage. Aircraft doing touch and gos. While on the approach for the fith touch and go, the throtle was unresponsive and the engine failed. The CFI tried to restart the…
- [Accident 20240904014379A](https://openairdocs.org/incident/20240904014379A), Sep 4, 2024: Piper PA-28-181 (N512AF), Bedminster, NJ, Substantial damage. On 9/4/24 [privacy data omitted] attempted a go around after seeing multiple deer on the runway and crashing into the trees on the right side of runway 26. The…
- [Accident 20240813010949A](https://openairdocs.org/incident/20240813010949A), Aug 13, 2024: Piper Aircraft Inc PA-28-181 (N689LH), Sanford, FL, Substantial damage. 8/13/2024: Accident/incident investigation of a bird strike on approach to landing. Reg nr. [privacy data omitted], A Piper PA-28-180 aircraft, flown by solo…
- [Incident 20240805010719I](https://openairdocs.org/incident/20240805010719I), Aug 5, 2024: Piper Aircraft Inc PA-28-181 (N622CC), Douglas, AZ, Minor damage. On August 5, 2024, a PA-28 single engine aircraft, performed a landing on runway 5 and exited taxiway A2. While on centerline the aircrafts wing tip struck a…
- [Accident 20240715011309A](https://openairdocs.org/incident/20240715011309A), Jul 15, 2024: Piper PA-28-181 (N220CE), Blaine, MN, Substantial damage. Student pilot was practicing touch and goes with CFI. After 4th touch and go the certified flight instructor (CFI) took over controls to demonstrate proper…
- [Incident 20240625010709I](https://openairdocs.org/incident/20240625010709I), Jun 25, 2024: Piper PA-28-181 (N509AF), Mesquite, TX, Minor damage. Student pilot on solo flight landed, departed the runway surface to the right, crossed the median, crossed the taxiway, and came to rest in a drainage area…
- [Incident 20240621007389I](https://openairdocs.org/incident/20240621007389I), Jun 21, 2024: Piper Aircraft Inc PA-28-181 (N80FG), Raleigh, NC, No damage. PA-28 landed runway 32 and veered off the end of the runway, due to high speeds and taixied to the ramp. 1 person on board no injuries and no aircraft damage…
- [Incident 20240512005979I](https://openairdocs.org/incident/20240512005979I), May 12, 2024: Piper Aircraft Inc PA-28-181 (N772VB), Vero Beach, FL, Minor damage. On 05/12/2024 a PA-28 was conducting a practice VOR approach to runway 12R at kvrb when at 1200 feet MSL the aircraft collided with a large bird which resulted…
- [Incident 20240424004809I](https://openairdocs.org/incident/20240424004809I), Apr 24, 2024: Piper PA-28-181 (N719ND), Cloquet, MN, Minor damage. The aircraft porpoised multiple time during and attempted landing. The PIC initiated a go around and landed successfully on the second attempt. During an…
- [Accident 20240320018989A](https://openairdocs.org/incident/20240320018989A), Mar 20, 2024: Piper PA-28-181 (N686JA), Apopka, FL, Minor damage. On 03/20/2024 at approximately 10:16 EST aircraft was returning from a solo cross-country flight and taxing on taxiway alpha at X04 when the aircraft struck an…
- [Incident 20231221019989I](https://openairdocs.org/incident/20231221019989I), Dec 21, 2023: Piper PA-28-181 (N894MA), Apopka, FL, Minor damage. Student landed on runway 15, on rollout applied heavy braking locking up the brakes on the left side resulting in the aircraft departing the runway surface to…
- [Incident 20231211017659I](https://openairdocs.org/incident/20231211017659I), Dec 11, 2023: Piper Aircraft Inc PA-28-181 (N276Z), San Antonio, TX, Minor damage. On December 11, 2023, at 1350 MST, a Piper PA-28-181, struck a bird on its left wing as it descended through 200 feet on 1/2 mile final to runway 14 at Stinson…
- [Incident 20231030017839I](https://openairdocs.org/incident/20231030017839I), Oct 30, 2023: Piper PA-28-181 (N563MA), Tampa, FL, No damage. Landed short of Runway 04 after the engine failed while on short Final. Aircraft was towed to the ramp.
- [Incident 20231021019649I](https://openairdocs.org/incident/20231021019649I), Oct 21, 2023: Piper Aircraft Inc PA-28-181 (N228KH), Concord, NC, Minor damage. Pilot exited runway onto taxiway. Pilot received instructions to taxi via delta to the ramp. Pilot did not turn onto taxiway alpha and taxied onto grassy area…
- [Incident 20231003021679I](https://openairdocs.org/incident/20231003021679I), Oct 3, 2023: Piper Aircraft Inc PA-28-181 (N343TF), Sulphur Springs, TX, Minor damage. [privacy data omitted]Was being flown by student pilot on first solo cross crountry flight for practice. The airplane was landing on Sulphur Springs Municipal…
- [Incident 20230926018369I](https://openairdocs.org/incident/20230926018369I), Sep 26, 2023: Piper Aircraft Inc PA-28-181 (N416CA), Dallas, TX, Minor damage. 09/26/2023 The student was approved to fly solo prior to flight. The CFI confirmed that the pilot preflight planning was correct. The solo was approved. The…
- [Incident 20230917011559I](https://openairdocs.org/incident/20230917011559I), Sep 17, 2023: Piper PA-28-181 (N524SC), Tulsa, OK, No damage. Student pilot had completed 3 landings with his flight instructor, then instructor released him on his first solo flight. On rollout of first landing, ATC…
- [Incident 20230910022709I](https://openairdocs.org/incident/20230910022709I), Sep 10, 2023: Piper PA-28-181 (N676TF), Mesquite, TX, Minor damage. Approaching final PIC applied full flaps. Performed an incomplete flare and impacted the ground prior to runway. Minor damage ocurred to the aircraft. This was…
- [Incident 20230910021689I](https://openairdocs.org/incident/20230910021689I), Sep 10, 2023: Piper PA-28-181 (N676TF), Mesquite, TX, Minor damage. Contacted hqz tower. VFR condition- winds were in the single digits. Once past the tree line appeared low so power was applied. Landed short of the runway.…
- [Incident 20230725008079I](https://openairdocs.org/incident/20230725008079I), Jul 25, 2023: Piper PA-28-181 (N495LA), Philadelphia, PA, Minor damage. Airman of a PA-28 Piper archer on a second solo for private pilot certificate was practicing close pattern landings at Northeast Philadelphia Airport (pne) on…
- [Incident 20230715008119I](https://openairdocs.org/incident/20230715008119I), Jul 15, 2023: Piper Aircraft Inc PA-28-181 (N348MK), Owatonna, MN, Minor damage. Shortly after departure the PIC reported a rough running engine with loss of power. Emergency was declared and PIC returned to airport landing with a tail…
- [Incident 20230616004319I](https://openairdocs.org/incident/20230616004319I), Jun 16, 2023: Piper PA-28-181 (N28034), Mesa, AZ, Minor damage. Student pilot (student) on second solo. Student had been struggling with landings as stated by his flight instructor (CFI) appeared to have overcome issue and…
- [Accident 20230522007039A](https://openairdocs.org/incident/20230522007039A), May 22, 2023: Piper PA-28-181 (N227XY), Kansas City, MO, Substantial damage. Pilot lost directional control during takeoff roll and exited runway into grass. Aircraft impacted runway sign. Airplane came to rest in the grass next to the…
- [Incident 20230515002832I](https://openairdocs.org/incident/20230515002832I), May 15, 2023: Piper PA-28-181 (N509AF), Addison, TX, Minor damage. Solo student pilot was in the runup area and had just been cleared for take off. Pilot attempted to taxi around company aircraft. Both aircraft were low-wing…

All 70: https://openairdocs.org/engine/lycoming-io-360-b4a/incidents.md

## Service difficulty reports (65, newest 50)

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

- [SDR 2026FA0000900](https://openairdocs.org/sdr/2026FA0000900), Oct 5, 2026: BOLT. BROKEN. FUEL SERVO DIAPHRAGM BOLT BROKE. CAUSED ENGINE RPM LOSS AND SHUTDOWN IN FLIGHT.
- [SDR 2026FA0000098](https://openairdocs.org/sdr/2026FA0000098), Feb 6, 2026: FUEL LINE. BROKEN. PILOT REPORTED POWER LOSS AND ENGINE ROUGHNESS. UPON INSPECTION, FOUND #1 INJECTOR LINE BROKEN AT FERRULE AT INJECTOR NOZZLE. ENGINE HAS 1653.4 HOURS SINCE FACT
- [SDR 2025FA0000767](https://openairdocs.org/sdr/2025FA0000767), Nov 19, 2025: AIR BOX. CRACKED. AIRBOX CRACKED, FOUND DURING SCHEDULED INSPECTION
- [SDR 2025FA0000766](https://openairdocs.org/sdr/2025FA0000766), Nov 18, 2025: AIR BOX. CRACKED. AIRBOX CRACKED, FOUND DURING SCHEDULED INSPECTION
- [SDR 2025FA0000719](https://openairdocs.org/sdr/2025FA0000719), Oct 15, 2025: BRACKET. CRACKED. FUEL FLOW TRANSDUCER BRACKET FOUND TO HAVE SIGNIFICANT CRACK.
- [SDR 2025FA0000711](https://openairdocs.org/sdr/2025FA0000711), Oct 14, 2025: ATTACH BRACKET. BROKEN. FUEL FLOW TRANSDUCER BRACKET HAS DEVELOPED MAJOR CRACK ON THE BOTTOM SIDE OF THE BRACKET.
- [SDR 2025FA0000712](https://openairdocs.org/sdr/2025FA0000712), Oct 14, 2025: BRACKET. BROKEN. FUEL FLOW TRANSDUCER BRACKET HAS DEVELOPED MAJOR CRACK ON THE BOTTOM SIDE OF THE BRACKET.
- [SDR 2025FA0000697](https://openairdocs.org/sdr/2025FA0000697), Sep 18, 2025: AIR BOX. CRACKED. AIRBOX SEALS DEGRADED OR MISSING. CRACKS DISCOVERED IN AIRBOX ASSEMBLY
- [SDR 2025FA0000074](https://openairdocs.org/sdr/2025FA0000074), Dec 31, 2024: FUEL CONTROL. DEFECTIVE. TEMPORARY RPM LOSS IN FLIGHT. FUEL CONTROL WAS SENT BACK TO MANUFACTURER FOR EVALUATION, AND INTERNAL DEFECT WAS FOUND. FUEL CONTROL HAD 20 HRS SINCE LAST OVERH
- [SDR 2024FA0000812](https://openairdocs.org/sdr/2024FA0000812), Nov 1, 2024: FUEL CONTROL. FOULED. THE ENGINE QUITS AT IDLE AND APPEARS TO BE DUE TO AN OVERLY RICH SETTING. THIS LATEST FAILURE THE FUEL SERVO WAS FOUND OUT OF MIXTURE ADJUSTMENT. THIS IS THE 3R
- [SDR 2024FA0000788](https://openairdocs.org/sdr/2024FA0000788), Oct 24, 2024: FUEL LINE. BROKEN. FUEL INJECTOR LINE FAILED DIRECTLY AFTER THE FERRULE ON THE NOZZLE END OF THE LINE. THE LINE BROKE CLEANLY.
- [SDR 2024FA0000789](https://openairdocs.org/sdr/2024FA0000789), Oct 24, 2024: FUEL LINE. BROKEN. FUEL INJECTOR LINE FAILED DIRECTLY AFTER THE FERRULE ON THE NOZZLE END OF THE LINE. THE LINE BROKE CLEANLY.
- [SDR 2024FA0000752](https://openairdocs.org/sdr/2024FA0000752), Oct 3, 2024: TUBE. BROKEN. ENGINE EXPERIENCED ROUGHNESS AND POWER REDUCTION DURING FLIGHT, BUT LANDED WITHOUT FURTHER INCIDENT. INSPECTION FOUND THAT THE FUEL INJECTION LINE CONNECTING TH
- [SDR 2024FA0000778](https://openairdocs.org/sdr/2024FA0000778), Sep 17, 2024: SERVO. DEFECTIVE. NOTED THAT THE FUEL INJECTOR SERVO WOULD NOT HOLD AN IDLE MIXTURE SETTING. MIXTURE SETTING WOULD NEED TO BE ADJUSTED FREQUENTLY. MIXTURE SETTING WAS NOTED TO CH
- [SDR 2024FA0000628](https://openairdocs.org/sdr/2024FA0000628), Aug 15, 2024: NUT. MISSING. FORWARD MOST THROUGH CASE BOLT BEHIND CRANKSHAFT SEAL AND #1 MAIN BEARING, TOP STUD AND NUT MISSING. BOTTOM BOLT AND NUT LOOSE. LYCOMING WANTED ENGINE BACK IN C
- [SDR 2024FA0000290](https://openairdocs.org/sdr/2024FA0000290), Apr 4, 2024: MAGNETO. FAILED. REPORTED ENGINE ROUGHNESS MULTIPLE LIMOS. EITHER COULD NOT DUPLICATE ISSUE OR CLEANED AND GAPPED SPARK PLUGS AND ISSUE APPEARED TO GO AWAY. THO ROUGH RUNNING PR
- [SDR 2024FA0000272](https://openairdocs.org/sdr/2024FA0000272), Apr 2, 2024: SERVO. FAULTED. DURING MY APPROACH TO LAND AT KILN WHEN I WENT THROTTLE IDLE, THE LOWEST MY ENGINE RPM WENT WAS 1500RPM. I DECIDED NOT TO LAND, CANCELED MY APPROACH, AND WENT D
- [SDR 2024FA0000234](https://openairdocs.org/sdr/2024FA0000234), Mar 19, 2024: IMPULSE COUPLING. LOOSE. MAGNETO FOUND TO HAVE A LOOSE IMPULSE COUPLING STOP PIN. THERE IS A SERVICE BULLETIN SB1-19A THAT ADDRESSES THIS BUT IT IS FOR SERIAL NUMBER MAGNETOS OLDER THAN
- [SDR 2023FA0000726](https://openairdocs.org/sdr/2023FA0000726), Nov 3, 2023: CYLINDER. ABNORMAL. THE UNIVERSITY OF NORTH DAKOTA SWITCHED TO UL94 FUEL ON JUNE 23, 2023. FROM JUNE 23 TO OCTOBER 27, 2023, WE USED 386,778 GALLONS OF UL94 ACCUMULATING 46,600 FLI
- [SDR 2023FA0000470](https://openairdocs.org/sdr/2023FA0000470), Aug 25, 2023: EXHAUST VALVE. STUCK. DURING DEPARTURE AIRCRAFT ENGINE SUDDENLY LOST SIGNIFICANT POWER. THE ENGINE WAS RUNNING ROUGH AND ABNORMAL VIBRATION/SOUND WAS ALSO PRESENT. THE CAUSE OF THE P
- [SDR 2023FA0000496](https://openairdocs.org/sdr/2023FA0000496), Aug 23, 2023: IMPULSE COUPLING. LOOSE. FOUND MAGNETO IMPULSE COUPLING RIVETS LOOSE AND REPLACED WITH NEW IMPULSE COUPLING.
- [SDR 2023FA0000554](https://openairdocs.org/sdr/2023FA0000554), Aug 4, 2023: PROBE. FAILED. EGT PROBE P/N 8655 HAS NO CONTINUITY.
- [SDR 2023FA0000469](https://openairdocs.org/sdr/2023FA0000469), Jul 28, 2023: CONNECTOR. BROKEN. RECEIVED ALTERNATOR FAILURE ANNUNCIATION ACCOMPANIED BY NO ALTERNATOR AMPS AND SMELL OF BURNING ELECTRICAL WHILE ENROUTE CRUISE. ALTERNATOR WAS DEACTIVATED. CAU
- [SDR 2023FA0000375](https://openairdocs.org/sdr/2023FA0000375), Jul 19, 2023: FUEL LINE. BROKEN. CYLINDER 1 FUEL INJECTION LINE BROKE AT FUEL INJECTOR
- [SDR 2023FA0000317](https://openairdocs.org/sdr/2023FA0000317), Jun 15, 2023: GROMMET. EXCESS PLAY. THE SILICONE GROMMET P/N 463-544 USED ON AIR BOX P/N 28P71A007-001 IS WEARING ON THE METAL STRUCTURE OF THE AIR BOX CAUSING EXCESSIVE PLAY. THIS ALLOWS THE ALTE
- [SDR 2023FA0000299](https://openairdocs.org/sdr/2023FA0000299), Jun 5, 2023: GROMMET. EXCESS PLAY. THE SILICONE GROMMET P/N 463-544 USED ON AIR BOX P/N 28P71A007-001 IS WEARING ON THE METAL STRUCTURE OF THE AIR BOX CAUSING EXCESSIVE PLAY. THIS ALLOWS THE ALTE
- [SDR 2023FA0000190](https://openairdocs.org/sdr/2023FA0000190), Apr 3, 2023: MAGNETO. FAILED. PILOT REPORTED MAG FAILURE, LEFT MAG DROPPED 600 RPM. WHEN TAXING BACK TO RAMP, HIGH PITCHED HUMMING OCCURRED, GOT LOUDER WITH HIGHER RPM. REMOVED RIGHT MAGNETO
- [SDR 2022FA0000742](https://openairdocs.org/sdr/2022FA0000742), Dec 6, 2022: NOZZLE. CONTAMINATED. ON CLIMB OUT THE AIRPLANE LOST PARTIAL POWER AND HAD REDUCED RPM. THE PILOT MADE A SAFE LANDING WITHOUT INCIDENT. UPON EVALUATION OUR MAINTENANCE TEAM FOUND A R
- [SDR 2022FA0000743](https://openairdocs.org/sdr/2022FA0000743), Dec 6, 2022: NOZZLE. FAULTED. ON CLIMB OUT THE AIRPLANE LOST PARTIAL POWER AND HAD REDUCED RPM. THE PILOT MADE A SAFE LANDING WITHOUT INCIDENT. UPON EVALUATION OUR MAINTENANCE TEAM FOUND A R
- [SDR LF1R2022111600698](https://openairdocs.org/sdr/LF1R2022111600698), Nov 16, 2022: MAGNETO. CONTAMINATED. OWNER REPORTED A PROBLEM WHEN PERFORMING A PRE TAKEOFF MAGNETO RPM CHECK. WHEN RT MAGNETO SELECTED TO OFF, ENGINE RPM'S DROPPED SIGNIFICANTLY AND ENGINE OPERATI
- [SDR 2022FA0000713](https://openairdocs.org/sdr/2022FA0000713), Oct 19, 2022: IMPULSE COUPLING. LOOSE. SLICK MAG P/N 4373, S.N. 18060338 FOUND LOOSE RIVETS ON IMPULSE COUPLING DURING INSPECTION, REPLACED IMPULSE COUPLING WITH NEW.
- [SDR 2022FA0000715](https://openairdocs.org/sdr/2022FA0000715), Oct 14, 2022: IMPULSE COUPLING. LOOSE. SLICK MAG P/N 4373, S.N. 21110329 FOUND LOOSE RIVETS ON IMPULSE COUPLING DURING INSPECTION, REPLACED IMPULSE COUPLING WITH NEW.
- [SDR DALA2022101300601](https://openairdocs.org/sdr/DALA2022101300601), Oct 13, 2022: RIVET. WORN. RIGHT MAGNETO REJECTED AS PAWL RIVETS WERE EXTREMELY WORN. THE PAWL RIVETS CONTINUALLY STRUCK THE HOUSING OF THE MAGNETO, SHAVING OFF METAL, AND CONTAMINATING T
- [SDR 2022FA0000714](https://openairdocs.org/sdr/2022FA0000714), Oct 11, 2022: IMPULSE COUPLING. LOOSE. SLICK MAG P/N 4373, S.N. 21110296 FOUND LOOSE RIVETS ON IMPULSE COUPLING DURING INSPECTION, REPLACED IMPULSE COUPLING WITH NEW.
- [SDR 2022FA0000712](https://openairdocs.org/sdr/2022FA0000712), Oct 7, 2022: IMPULSE COUPLING. LOOSE. SLICK MAG P/N 4373, S.N. 21110236 FOUND LOOSE RIVETS ON IMPULSE COUPLING DURING INSPECTION, REPLACED IMPULSE COUPLING WITH NEW.
- [SDR 2022FA0000717](https://openairdocs.org/sdr/2022FA0000717), Sep 27, 2022: IMPULSE COUPLING. LOOSE. SLICK MAG P/N 4373, S.N. 19090383 FOUND LOOSE RIVETS ON IMPULSE COUPLING DURING INSPECTION, REPLACED IMPULSE COUPLING WITH NEW.
- [SDR 2022FA0000716](https://openairdocs.org/sdr/2022FA0000716), Sep 23, 2022: IMPULSE COUPLING. LOOSE. SLICK MAG P/N 4373, S.N. 21091310 FOUND LOOSE RIVETS ON IMPULSE COUPLING DURING INSPECTION, REPLACED IMPULSE COUPLING WITH NEW.
- [SDR 2022FA0000718](https://openairdocs.org/sdr/2022FA0000718), Sep 15, 2022: IMPULSE COUPLING. LOOSE. SLICK MAG P/N 4373, S.N. 21110241 FOUND LOOSE RIVETS ON IMPULSE COUPLING DURING INSPECTION, REPLACED IMPULSE COUPLING WITH NEW.
- [SDR 2022FA0000497](https://openairdocs.org/sdr/2022FA0000497), Sep 6, 2022: NONE. NONE. LEFT BRAKE MASTER CYLINDER HOSE ROUTED IMPROPERLY CAUSING THE LEFT RUDDER PEDAL FROM PILOT'S SEAT TO JAM IN FULL FORWARD POSITION WHEN LEFT RUDDER WAS APPLIED I
- [SDR 2022FA0000150](https://openairdocs.org/sdr/2022FA0000150), Mar 9, 2022: NONE. NONE. STUDENT PILOT WAS ON A SOLO CROSS A COUNTRY FLIGHT AND ENGINE STOPPED. PILOT TURNED ON THE ELECTRIC FUEL PUMP AND ENGINE STARTED. PILOT LANDED AT NEAREST AIRPOR
- [SDR NI1R202111150001](https://openairdocs.org/sdr/NI1R202111150001), Nov 2, 2021: NONE. NONE. DURING A TRAINING FLIGHT THE FLIGHT INSTRUCTOR AND STUDENT EXPERIENCED PARTIAL ENGINE POWER LOSS LEADING TO A COMPLETE ENGINE SHUT DOWN. AN OFF AIRPORT LANDING 
- [SDR 2021FA0000302](https://openairdocs.org/sdr/2021FA0000302), Oct 21, 2021: FUEL CONTROL. MALFUNCTIONED. DURING FLIGHT CLIMB OUT AFTER TAKEOFF THE ENGINE EXPERIENCED A 200 RPM DECREASE DUE TO THE FUEL SERVO INCREASING THE FUEL FLOW FROM 13.0 GPH TO 16.5 GPH DUE TO 
- [SDR 2021FA0000219](https://openairdocs.org/sdr/2021FA0000219), Aug 4, 2021: MAGNETO. MELTED. PILOT REPORTED RPM ERRATIC BUT ENGINE WAS STEADY. LOST TACH COMPLETELY AND DECLARED EMERGENGY TO TOWER. LANDED WITH OUT INCIDENT. MAINTENANCE TROUBLESHOT AND FO
- [SDR 2021FA0000067](https://openairdocs.org/sdr/2021FA0000067), Mar 2, 2021: CONTACT. DEFECTIVE. REPLACED CONTACT ASSEMBLY PN M3081 IN MAGNETO MN 4373 WITH KELLY AEROSPACE PMA CONTACT ASSEMBLY PN A-13081 DURING MAGNETO 500-HOUR INSPECTION. WITHIN 2 HOURS AF
- [SDR B4VR202028043](https://openairdocs.org/sdr/B4VR202028043), Oct 16, 2020: STRINGER. CRACKED. DURING SCHEDULED MAINTENANCE, OUR TECHNICIANS NOTICED SMALL CRACKS ON MANY OF THE AIRCRAFT’S STRINGERS. THEY APPEAR ON THE STRINGERS WITH DIMPLING ON THEM. DIMP
- [SDR B4VR202028011](https://openairdocs.org/sdr/B4VR202028011), Oct 15, 2020: STRINGER. CRACKED. DURING SCHEDULED MAINTENANCE, OUR TECHNICIANS NOTICED SMALL CRACKS ON MANY OF THE AIRCRAFT’S STRINGERS. THEY APPEAR ON THE STRINGERS WITH DIMPLING ON THEM. DIMP
- [SDR B4VR202028015](https://openairdocs.org/sdr/B4VR202028015), Oct 15, 2020: STRINGER. CRACKED. DURING SCHEDULED MAINTENANCE, OUR TECHNICIANS NOTICED SMALL CRACKS ON MANY OF THE AIRCRAFT’S STRINGERS. THEY APPEAR ON THE STRINGERS WITH DIMPLING ON THEM. DIMP
- [SDR B4VR202028017](https://openairdocs.org/sdr/B4VR202028017), Oct 15, 2020: STRINGER. CRACKED. DURING SCHEDULED MAINTENANCE, OUR TECHNICIANS NOTICED SMALL CRACKS ON MANY OF THE AIRCRAFT’S STRINGERS. THEY APPEAR ON THE STRINGERS WITH DIMPLING ON THEM. DIMP
- [SDR B4VR202028020](https://openairdocs.org/sdr/B4VR202028020), Oct 15, 2020: STRINGER. CRACKED. DURING SCHEDULED MAINTENANCE, OUR TECHNICIANS NOTICED SMALL CRACKS ON MANY OF THE AIRCRAFT’S STRINGERS. THEY APPEAR ON THE STRINGERS WITH DIMPLING ON THEM. DIMP
- [SDR B4VR202028027](https://openairdocs.org/sdr/B4VR202028027), Oct 15, 2020: STRINGER. CRACKED. DURING SCHEDULED MAINTENANCE, OUR TECHNICIANS NOTICED SMALL CRACKS ON MANY OF THE AIRCRAFT’S STRINGERS. THEY APPEAR ON THE STRINGERS WITH DIMPLING ON THEM. DIMP

All 65: https://openairdocs.org/engine/lycoming-io-360-b4a/reports.md

## STCs that may be installed (OpenAirDocs) (42)

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
- [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 SE2389CE](https://openairdocs.org/stc/SE2389CE): 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 SE03232CH](https://openairdocs.org/stc/SE03232CH): Installation of Engine Preheat Kit p/n TA2925-1 for 115 volt application. Hartzell Propeller Inc
- [STC SE32WE](https://openairdocs.org/stc/SE32WE): Installation of Turbocharger P/N 600573-00 (formerly RJ 0326, RJ 0326-1), 600576-00(formerly RJ 0326-2) and600577000 (formerly RJ 0329). TALCO Aviation
- [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-360 Series
- [STC SE4408SW](https://openairdocs.org/stc/SE4408SW): Miscellaneous engine cylinder replacement parts. Continental Motors, Inc. Lists IO-360 Series
- [STC SE7508SW](https://openairdocs.org/stc/SE7508SW): 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-360 Series
- [STC SE7661SW](https://openairdocs.org/stc/SE7661SW): Installation of parts listed on Airmotive Drawing No. 8810-3. Continental Motors, Inc. Lists IO-360 Series
- [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc. Lists IO-360 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-360 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-360 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 SE02409AK](https://openairdocs.org/stc/SE02409AK): Installation of the Superior Air Parts Cold Air Induction System (CAIS). Wattum Aircraft Services
- [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 SE524CH](https://openairdocs.org/stc/SE524CH): Replace Slick 4000, 4100, 4200, and 4300 series magnetos and TCM/Bendix S-20, S-200, and S-1200 series magnetos with the Champion Limited Authority Spark Advance Regulator (LASAR ). Champion Aerospace LLC
- [STC SE916GL](https://openairdocs.org/stc/SE916GL): Replacement of Bendix S4LN-20, -21, -1209, or -1227 model magnetos with Slick model 4250 and 4251 magnetos. 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
- [STC SE459GL](https://openairdocs.org/stc/SE459GL): Incorporation of a fuel flow transducer. Shadin Company Inc
- [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 SE5743NM](https://openairdocs.org/stc/SE5743NM): Intallation of adapter for externally mounted oil filter. Aviation Development Corporation
- [STC SE00889LA](https://openairdocs.org/stc/SE00889LA): Installation of Nickson's cylinder barrels on Lycoming reciprocating engine models. Nickson's Machine Shop 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. Lists IO-360 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-360 Series
- [STC SE2389SE](https://openairdocs.org/stc/SE2389SE): Installation of B & C Specialty Products. Bainbridge William C III. Lists IO-360 Series
- [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp. Lists IO-360 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-360 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-360 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-360 Series
- [STC SE1445SO](https://openairdocs.org/stc/SE1445SO): Use of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines. ProTec. Lists IO-360 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-360 Series

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