# Lycoming HIO-360-D1A

- Type: Engine model (FAA registry)
- Registry code: 41893
- Manufacturer (registry): LYCOMING
- Model: HIO-360-D1A
- Engine type: Reciprocating
- Power: 190 hp
- Data sheet: [TCDS 1E10](https://openairdocs.org/tcds/1E10) (OpenAirDocs)
- Holder: Lycoming Engines
- Installed in: 41 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-hio-360-d1a

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 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 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 2012-03-06](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 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 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 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 89-13-02](https://openairdocs.org/ad/89-13-02): Servo Fuel Injectors · Lycoming Engines HIO-360-D1A. Effective Nov 30, 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 73-15-04](https://openairdocs.org/ad/73-15-04): Rubber Drive Plate Grommet · Lycoming Engines HIO-360-D1A. Effective Jul 23, 1973
- [AD 72-21-04](https://openairdocs.org/ad/72-21-04): Magnetos · Lycoming Engines HIO-360-D1A. Effective Oct 13, 1972

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 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) (4)

- [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-14-13](https://openairdocs.org/saib/NE-14-13): Reciprocating Engine - Cylinder Mounting Studs. Issued Mar 24, 2014
- [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

## Registered aircraft (41)

- [N151GF](https://openairdocs.org/aircraft/N151GF): [Foster Gary](https://openairdocs.org/faa-owner/FOSTER%20GARY), [Sterling City, TX](https://openairdocs.org/faa-place/TX/Sterling%20City), built 2009, S/N S1929
- [N2086F](https://openairdocs.org/aircraft/N2086F): [N3793b Inc](https://openairdocs.org/faa-owner/N3793B%20INC), [De Smet, SD](https://openairdocs.org/faa-place/SD/De%20Smet), built 1997, S/N S1754
- [N2140H](https://openairdocs.org/aircraft/N2140H): [Lindeman Jeff](https://openairdocs.org/faa-owner/LINDEMAN%20JEFF), [Archer City, TX](https://openairdocs.org/faa-place/TX/Archer%20City), built 2008, S/N S1919
- [N2157P](https://openairdocs.org/aircraft/N2157P): [Killer Lion Hunts LLC](https://openairdocs.org/faa-owner/KILLER%20LION%20HUNTS%20LLC), [Catalina, AZ](https://openairdocs.org/faa-place/AZ/Catalina), S/N S1908
- [N2158T](https://openairdocs.org/aircraft/N2158T): [Hi Tech Helicopters Inc](https://openairdocs.org/faa-owner/HI%20TECH%20HELICOPTERS%20INC), [Pocono Lake, PA](https://openairdocs.org/faa-place/PA/Pocono%20Lake), built 2008, S/N S1913
- [N21763](https://openairdocs.org/aircraft/N21763): [Andrews Scott](https://openairdocs.org/faa-owner/ANDREWS%20SCOTT), [Winnsboro, TX](https://openairdocs.org/faa-place/TX/Winnsboro), built 2010, S/N S1940
- [N2183S](https://openairdocs.org/aircraft/N2183S): [Emu Inc](https://openairdocs.org/faa-owner/EMU%20INC), [Redwood City, CA](https://openairdocs.org/faa-place/CA/Redwood%20City), built 2009, S/N S1930
- [N262LH](https://openairdocs.org/aircraft/N262LH): [Neo Helicopter Academy LLC](https://openairdocs.org/faa-owner/NEO%20HELICOPTER%20ACADEMY%20LLC), [North Royalton, OH](https://openairdocs.org/faa-place/OH/North%20Royalton), built 2009, S/N S1926
- [N269AB](https://openairdocs.org/aircraft/N269AB): [Skyline Aviation Inc](https://openairdocs.org/faa-owner/SKYLINE%20AVIATION%20INC), [San Angelo, TX](https://openairdocs.org/faa-place/TX/San%20Angelo), built 2023, S/N S1982
- [N269AJ](https://openairdocs.org/aircraft/N269AJ): [Skyline Aviation Inc](https://openairdocs.org/faa-owner/SKYLINE%20AVIATION%20INC), [San Angelo, TX](https://openairdocs.org/faa-place/TX/San%20Angelo), built 2025, S/N S1983
- [N269CN](https://openairdocs.org/aircraft/N269CN): [N9660f LLC](https://openairdocs.org/faa-owner/N9660F%20LLC), [Grand Ledge, MI](https://openairdocs.org/faa-place/MI/Grand%20Ledge), built 2024, S/N S1981
- [N269H](https://openairdocs.org/aircraft/N269H): [Vertical Development LLC](https://openairdocs.org/faa-owner/VERTICAL%20DEVELOPMENT%20LLC), [Birmingham, AL](https://openairdocs.org/faa-place/AL/Birmingham), built 1978, S/N 780715
- [N269JA](https://openairdocs.org/aircraft/N269JA): [Team Aero LLC](https://openairdocs.org/faa-owner/TEAM%20AERO%20LLC), [Shawnee, KS](https://openairdocs.org/faa-place/KS/Shawnee), built 2008, S/N S1914
- [N269N](https://openairdocs.org/aircraft/N269N): [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 1987, S/N S 1267
- [N269TT](https://openairdocs.org/aircraft/N269TT): [Sharmark LLC](https://openairdocs.org/faa-owner/SHARMARK%20LLC), [Dry Ridge, KY](https://openairdocs.org/faa-place/KY/Dry%20Ridge), built 1978, S/N 680695
- [N269VT](https://openairdocs.org/aircraft/N269VT): [Qualitair LLC Trustee](https://openairdocs.org/faa-owner/QUALITAIR%20LLC%20TRUSTEE), Michelstadt, built 1986, S/N S 1229
- [N300NB](https://openairdocs.org/aircraft/N300NB): [Mcilrath Thor](https://openairdocs.org/faa-owner/MCILRATH%20THOR), [Arlington, WA](https://openairdocs.org/faa-place/WA/Arlington), built 1980, S/N 1100981
- [N322CP](https://openairdocs.org/aircraft/N322CP): [Paul William D](https://openairdocs.org/faa-owner/PAUL%20WILLIAM%20D), [Cadillac, MI](https://openairdocs.org/faa-place/MI/Cadillac), built 2005, S/N S1875
- [N330JB](https://openairdocs.org/aircraft/N330JB): [Havens Aviation LLC](https://openairdocs.org/faa-owner/HAVENS%20AVIATION%20LLC), [Blacklick, OH](https://openairdocs.org/faa-place/OH/Blacklick), built 1997, S/N S1755
- [N340DC](https://openairdocs.org/aircraft/N340DC): [Itb Sokolowski LLC](https://openairdocs.org/faa-owner/ITB%20SOKOLOWSKI%20LLC), [Lewes, DE](https://openairdocs.org/faa-place/DE/Lewes), built 1977, S/N 970634
- [N34LB](https://openairdocs.org/aircraft/N34LB): [Venture Helicopters LLC](https://openairdocs.org/faa-owner/VENTURE%20HELICOPTERS%20LLC), [West Lafayette, IN](https://openairdocs.org/faa-place/IN/West%20Lafayette), built 1978, S/N 780714
- [N355SD](https://openairdocs.org/aircraft/N355SD): [Bofus Aviation LLC](https://openairdocs.org/faa-owner/BOFUS%20AVIATION%20LLC), [Helena, MT](https://openairdocs.org/faa-place/MT/Helena), built 2007, S/N S1907
- [N413LH](https://openairdocs.org/aircraft/N413LH): [Ratcliff Dustin Matthew](https://openairdocs.org/faa-owner/RATCLIFF%20DUSTIN%20MATTHEW), [Saltville, VA](https://openairdocs.org/faa-place/VA/Saltville), built 2008, S/N S1925
- [N4853S](https://openairdocs.org/aircraft/N4853S): [Turley Gregory D](https://openairdocs.org/faa-owner/TURLEY%20GREGORY%20D), [Pell City, AL](https://openairdocs.org/faa-place/AL/Pell%20City), built 1977, S/N 870625
- [N503QD](https://openairdocs.org/aircraft/N503QD): [Schroth Charles D](https://openairdocs.org/faa-owner/SCHROTH%20CHARLES%20D), [Gustavus, AK](https://openairdocs.org/faa-place/AK/Gustavus), built 1977, S/N 1170643
- [N515PH](https://openairdocs.org/aircraft/N515PH): [Gulf Coast Helicopters Inc](https://openairdocs.org/faa-owner/GULF%20COAST%20HELICOPTERS%20INC), [Pearland, TX](https://openairdocs.org/faa-place/TX/Pearland), built 1998, S/N S1771
- [N521RS](https://openairdocs.org/aircraft/N521RS): [Jj Airlift Inc](https://openairdocs.org/faa-owner/JJ%20AIRLIFT%20INC), [Broomfield, CO](https://openairdocs.org/faa-place/CO/Broomfield), built 2006, S/N S1891
- [N58281](https://openairdocs.org/aircraft/N58281): [Lueck Thomas J](https://openairdocs.org/faa-owner/LUECK%20THOMAS%20J), [Cedar Rapids, IA](https://openairdocs.org/faa-place/IA/Cedar%20Rapids), built 1978, S/N 1180734
- [N645KA](https://openairdocs.org/aircraft/N645KA): [Helocraft Holding Co Inc](https://openairdocs.org/faa-owner/HELOCRAFT%20HOLDING%20CO%20INC), [Pembroke Pines, FL](https://openairdocs.org/faa-place/FL/Pembroke%20Pines), built 2009, S/N S1931
- [N721SP](https://openairdocs.org/aircraft/N721SP): [Schweizer Rsg LLC](https://openairdocs.org/faa-owner/SCHWEIZER%20RSG%20LLC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), built 1986, S/N S1232
- [N7364H](https://openairdocs.org/aircraft/N7364H): [Ream Aviation LLC](https://openairdocs.org/faa-owner/REAM%20AVIATION%20LLC), [York, PA](https://openairdocs.org/faa-place/PA/York), built 2010, S/N S1938
- [N7492F](https://openairdocs.org/aircraft/N7492F): [Houston Police Dept](https://openairdocs.org/faa-owner/HOUSTON%20POLICE%20DEPT), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston), built 2008, S/N S1920
- [N7493F](https://openairdocs.org/aircraft/N7493F): [Houston Police Dept](https://openairdocs.org/faa-owner/HOUSTON%20POLICE%20DEPT), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston), built 2008, S/N S1921
- [N7505B](https://openairdocs.org/aircraft/N7505B): [Silver Wings Inc Trustee](https://openairdocs.org/faa-owner/SILVER%20WINGS%20INC%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1985, S/N S1205
- [N767LH](https://openairdocs.org/aircraft/N767LH): [Jones Aircraft Co LLC](https://openairdocs.org/faa-owner/JONES%20AIRCRAFT%20CO%20LLC), [Cross Plains, TN](https://openairdocs.org/faa-place/TN/Cross%20Plains), built 2007, S/N S1905
- [N77SA](https://openairdocs.org/aircraft/N77SA): [Scs Aviation Inc](https://openairdocs.org/faa-owner/SCS%20AVIATION%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1987, S/N 1293
- [N8363C](https://openairdocs.org/aircraft/N8363C): [Nelson William J](https://openairdocs.org/faa-owner/NELSON%20WILLIAM%20J), [Citrus Heights, CA](https://openairdocs.org/faa-place/CA/Citrus%20Heights), built 2010, S/N S1939
- [N868LH](https://openairdocs.org/aircraft/N868LH): [Jones Aircraft Co LLC](https://openairdocs.org/faa-owner/JONES%20AIRCRAFT%20CO%20LLC), [Cross Plains, TN](https://openairdocs.org/faa-place/TN/Cross%20Plains), built 2007, S/N S1903
- [N8700F](https://openairdocs.org/aircraft/N8700F): [Houston Police Department](https://openairdocs.org/faa-owner/HOUSTON%20POLICE%20DEPARTMENT), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston), built 2008, S/N S1924
- [N907AL](https://openairdocs.org/aircraft/N907AL): [Tjm Ventures Inc](https://openairdocs.org/faa-owner/TJM%20VENTURES%20INC), [Rio Verde, AZ](https://openairdocs.org/faa-place/AZ/Rio%20Verde), built 1996, S/N S1742
- [N9858F](https://openairdocs.org/aircraft/N9858F): [Oklahoma Helicopter LLC](https://openairdocs.org/faa-owner/OKLAHOMA%20HELICOPTER%20LLC), [Atoka, OK](https://openairdocs.org/faa-place/OK/Atoka), built 2006, S/N S1893

## NTSB investigations (16)

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 ANC26LA068](https://openairdocs.org/ntsb/ANC26LA068), Jul 5, 2026: Schweizer 269C (N907AL), Skwentna, AK, substantial damage, investigation ongoing
- [NTSB ERA25LA144](https://openairdocs.org/ntsb/ERA25LA144), Mar 14, 2025: Schweizer 269C (N262LH), Mogadore, OH, substantial damage, 1 fatal. Probable cause: The pilot’s decision to fly at low altitude, at night, and over water, which resulted in the helicopter’s collision with power lines.
- [NTSB ERA22LA290](https://openairdocs.org/ntsb/ERA22LA290), Jun 23, 2022: Schweizer 300 C (N2158T), Boonville, NC, substantial damage. Probable cause: The helicopter’s impact with a non-biological object, which resulted in substantial damage to a main rotor blade.
- [NTSB GAA19CA284](https://openairdocs.org/ntsb/GAA19CA284), May 24, 2019: Schweizer 269C (N269P), Riverside, CA, substantial damage. Probable cause: The student pilot's failure to maintain yaw control and the engine's rpm during transition to a hover, which resulted in hard landing.
- [NTSB WPR17LA093](https://openairdocs.org/ntsb/WPR17LA093), Apr 27, 2017: Schweizer 269C (N521AR), Coolidge, AZ, substantial damage. Probable cause: A partial loss of engine power due to separation of the throttle cable.
- [NTSB ERA17FA123](https://openairdocs.org/ntsb/ERA17FA123), Mar 8, 2017: Jordan Bruce C Pitts S2E (N30BJ), Apex, NC, substantial damage, 1 fatal. Probable cause: The pilot's failure to maintain airplane control during the final approach to the runway in gusting tailwind conditions, which resulted in the airplane exceeding its critical angle of attack and an…
- [NTSB WPR15LA249](https://openairdocs.org/ntsb/WPR15LA249), Aug 23, 2015: Schweizer 269C - Undesignat (N315TV), Mesa, AZ, substantial damage. Probable cause: The disbondment of a main rotor damper, which resulted in the degradation of its damping action and led to excessive main rotor vibrations and oscillations that caused substantial damage to the…
- [NTSB ERA13LA314](https://openairdocs.org/ntsb/ERA13LA314), Jul 3, 2013: Sikorsky 269C (N888ZW), Burnham, ME, substantial damage. Probable cause: The pilot's failure to maintain yaw control while operating out of ground effect at a low airspeed, which resulted in the loss of tail rotor effectiveness, an uncontrolled descent, and an in-flight…
- [NTSB CEN12CA431](https://openairdocs.org/ntsb/CEN12CA431), Jul 6, 2012: Schweizer 269C (N565LH), Denton, TX, substantial damage. Probable cause: The flight instructor and student pilot exceeded the helicopter's takeoff performance, which resulted in low rotor rpm and settling.
- [NTSB WPR12FA191](https://openairdocs.org/ntsb/WPR12FA191), May 2, 2012: Hughes 269C (N380TL), Phoenix, AZ, substantial damage. Probable cause: A loss of tail rotor drive due to a fatigue failure of the main transmission pinion, which resulted in a loss of directional control during cruise flight.
- [NTSB CEN11LA606](https://openairdocs.org/ntsb/CEN11LA606), Aug 21, 2011: Schweizer Hughes 269C (N7505B), Mt. Clemens, MI, no damage, 1 fatal. Probable cause: The wing walker’s decision to release his grip of the airplane during an attempted aerial transfer from airplane to helicopter before both aircraft achieved the proper relative positioning for the…
- [NTSB CEN10LA560](https://openairdocs.org/ntsb/CEN10LA560), Sep 20, 2010: Schweizer 269C (N34LB), Schaumburg, IL, substantial damage. Probable cause: The in-flight separation of the left aft cluster fitting assembly following the loss of torque on the lock nut due to a manufacturing defect.
- [NTSB CEN10LA408](https://openairdocs.org/ntsb/CEN10LA408), Jul 19, 2010: Schweizer 269C (N410JM), Minden, NE, substantial damage. Probable cause: The pilot's inadequate flare during an autorotation, which resulted in a hard landing and subsequent rollover.
- [NTSB LAX08CA138](https://openairdocs.org/ntsb/LAX08CA138), Jun 2, 2008: Schweizer 300C (N1510A), Ogden, UT, substantial damage. Probable cause: The pilot under instruction's encounter with a settling with power condition, and the flight instructor's failure to maintain adequate rotor rpm during the subsequent go-around. Also causal was the…
- [NTSB BFO89LA078](https://openairdocs.org/ntsb/BFO89LA078), Aug 31, 1989: Hughes 269C (N58281), Parkersburg, WV, substantial damage. Probable cause: THE PILOT'S INADVERTENT USE (MOVEMENT) OF THE COLLECTIVE CONTROL DURING ENGINE OPERATION BEFORE SHUTDOWN, AND A SUBSEQUENT LIFT-OFF, LOSS OF CONTROL, ROLL OVER, AND COLLISION WITH THE GROUND.
- [NTSB NYC81DHA05](https://openairdocs.org/ntsb/NYC81DHA05), Nov 25, 1980: Hughes 300C (N58281), Whitehouse, NJ, substantial damage

## FAA accident and incident reports (19)

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

- [Accident 20260705007569A](https://openairdocs.org/incident/20260705007569A), Jul 5, 2026: Schweizer 269C (N907AL), Talkeetna, AK, Substantial damage. On an approximately 1 mile final, at 500'-600' AGL, pilot performed pre-landing checks and noticed abnormally high oil pressure reading. Oil pressure gauge…
- [Accident 20250314003949A](https://openairdocs.org/incident/20250314003949A), Mar 14, 2025: Schweizer 269C (N262LH), Mogadore, OH, Substantial damage, 1 fatal. On 03/14/2025 at 0704EDT a Schweizer, model 269C helicopter departed medina county airport (1G5) approximately 0617 local time enroute to wadsworth municipal…
- [Accident 20220623010981A](https://openairdocs.org/incident/20220623010981A), Jun 23, 2022: Schweizer 269C (N2158T), Elkin, NC, Substantial damage. At 1055AM on June 23 2022 aircraft was at a 1500 MSL (500-600) AGL 3.5 Ese of kzef. 36.26N/80.72W. 1,037FT gnd elev. After departure the aircraft impacted a…
- [Incident 20190524011159I](https://openairdocs.org/incident/20190524011159I), May 24, 2019: Schweizer 269C (N269P), Riverside, CA, Minor damage. This part 91 flight was intended to be a supervised solo in the traffic pattern. Reported winds 290/05 knots. Student and CFI performed three dual traffic…
- [Accident 20170427021499A](https://openairdocs.org/incident/20170427021499A), Apr 27, 2017: Schweizer 269C (N521AR), Florance, AZ, Substantial damage. On April 27, 2017 at approximately 1000 MST, N521AR, a schweitzer 269C helicopter, serial number S1785, made a hard landing in a cow pasture near florence, AZ.…
- [Accident 20170308005429A](https://openairdocs.org/incident/20170308005429A), Mar 8, 2017: Jordan Bruce C PITTS S2E (N30BJ), Apex, NC, Destroyed, 1 fatal. The aircraft was operating part 91 on a routine personal flight, and contacted tall pine tree(s) on approach to rwy 9 @ NC81. Reported weather indicates a…
- [Incident 20151026020579I](https://openairdocs.org/incident/20151026020579I), Oct 26, 2015: Hughes 269C (N269TT), Mesa, AZ, Minor damage. CFI and student departed Falcon field on the gecko 1 departure and arrived at the yankee one pattern (echo ramp). CFI had student demonstrate a few normal…
- [Accident 20150823019979A](https://openairdocs.org/incident/20150823019979A), Aug 23, 2015: Schweizer 269C (N315TV), Mesa, AZ, Destroyed. Pilot statement of accident , 8/23/15 "After a gecko 1 arrival southbound for csa ramp, the tower announced the winds were at 280 direction at 10 knots. I…
- [Incident 20140823015829I](https://openairdocs.org/incident/20140823015829I), Aug 23, 2014: Hughes 269C (N34LB), Hanover Park, IL, Minor damage. During cruise flight the pilot noticed engine RPM was lower than expected. The pilot rolled on power but RPM did not increase. The pilot initiated an…
- [Accident 20130703017269A](https://openairdocs.org/incident/20130703017269A), Jul 3, 2013: Schweizer 269C (N888ZW), Burnham, ME, Substantial damage. On July 3, 2013, about 1800 eastern daylight time, a Sikorsky aircraft corporation (formerly Schweizer aircraft corporation) 269C, N888ZW, registered to and…
- [Accident 20120706011979A](https://openairdocs.org/incident/20120706011979A), Jul 6, 2012: Schweizer 269C (N565LH), Denton, TX, Substantial damage. On July 6, 2012 at 1620 local time N565LH, a HU-269C helicopter owned by longhorn helicopters inc crashed approximately 4 miles south of the Denton airport…
- [Accident 20120502009279A](https://openairdocs.org/incident/20120502009279A), May 2, 2012: Hughes 269C (N380TL), Phoenix, AZ, Destroyed. Pilot was flying aerial photo flight with photographer on board. In cruise flight, pilot felt airframe vibration and metalic "clunk" from rear of aircraft…
- [Incident 20120421006789I](https://openairdocs.org/incident/20120421006789I), Apr 21, 2012: Hughes 269C (N34LB), Schaumburg, IL, Minor damage. Tail rotor and vertical stabilizer struck landing dolly during lift off.
- [Accident 20110821019859A](https://openairdocs.org/incident/20110821019859A), Aug 21, 2011: Schweizer HUGHES 269C (N7505B), Mt. Clemens, MI, No damage. Individual fell from N49739, a Boeing AN75N1, while attempting an aerial transfer from the Boeing to N7505B during a scheduled aerial transfer routine during…
- [Accident 20100920047219A](https://openairdocs.org/incident/20100920047219A), Sep 20, 2010: Hughes 269C (N34LB), Schaumburg, IL, Substantial damage. This was the third flight of the day. The student pilot performed the preflight inspection under the supervision of the flight instructor. The student pilot…
- [Accident 20100717045479A](https://openairdocs.org/incident/20100717045479A), Jul 17, 2010: Schweizer 269C (N410JM), Minden, NE, Substantial damage. Pilot and one passenger were on a cross-country flight from kearney, Nebraska, to Minden Nebraska, at a cruising altitiude of 400 feet AGL. Cruising speed was…
- [Accident 20080602835879A](https://openairdocs.org/incident/20080602835879A), Jun 2, 2008: Hughes 269C (N1510A), Ogden, UT, Substantial damage. (-23) During the conduct of a 14 CFR part 61 training flight the crew decided to perform a pinnacle/ridge approach and landing. They conducted a high area…
- [Accident 19890831033129A](https://openairdocs.org/incident/19890831033129A), Aug 31, 1989: Hughes 269C (N58281), Parkersburg, WV, Substantial damage. Allowed cyclic to rise while shuting down on landing. Helicopter rose and spun to left. Rotors hit caused rollover.
- [Accident 19801125071429A](https://openairdocs.org/incident/19801125071429A), Nov 25, 1980: Hughes 269C (N58281), Whitehouse, NJ, Substantial damage. Engine lost rpms. Made hard autorotaion landing. Found water in fuel.

## Service difficulty reports (78, newest 50)

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

- [SDR 2026F00166](https://openairdocs.org/sdr/2026F00166), Jul 28, 2026: SUPPORT FRAME. CRACKED. LEFT AFT AIRFRAME CLUSTER FITTING THAT ATTACHES TO REAR CROSSMEMBER, LANDING GEAR, AND TAIL-BOOM SUPPORT STRUT WAS FOUND CRACKED DURING A VISUAL PREFLIGHT INSPE
- [SDR 2014FA0000546](https://openairdocs.org/sdr/2014FA0000546), Sep 13, 2014: MAGNETO. FAILED. COMPLETE RT MAGNETO IGNITION FAILURE WITH NO OUTPUT. MAGNETO FAILED PRIOR TO SCHEDULED INSPECTION.
- [SDR BY8S2014092600566](https://openairdocs.org/sdr/BY8S2014092600566), Sep 13, 2014: MAGNETO. FAILED. COMPLETE RT MAGNETO IGNITION FAILURE/NO OUTPUT. MAGNETO FAILED PRIOR TO SCHEDULED HOUR INSPECTION.
- [SDR FAA20140910000001](https://openairdocs.org/sdr/FAA20140910000001), Aug 23, 2014: SENSOR. DETACHED. THE ENGINE STOPPED DUE TO LACK OF OIL. THE OIL TEMPERATURE SENSOR, AND CRUSH WASHER WERE FOUND HANGING BY ITS ELECTRICAL CONNECTOR INSIDE THE ENGINE COMPARTMENT
- [SDR 2011FA0000183](https://openairdocs.org/sdr/2011FA0000183), Mar 18, 2011: TAIL ROTOR. DAMAGED. ODOR OF BURNING LUBRICANT, EXCESSIVE VIBRATION, FORCED A SUCCESSFUL OFF AIRPORT LANDING. FOUND AFT "H" FRAME BEARING, PN 269A5050-56, SEIZED, OVERHEATED, DRIVES
- [SDR 2010FA0001006](https://openairdocs.org/sdr/2010FA0001006), Sep 17, 2010: PIN. WORN. DURING 200 HR INSP WEAR MARKS WERE FOUND ON THE BOTTOM OF BOTH FUEL TANKS, CAUSED BY ATTACH PIN PN MS20392-2C47 USED ON STRAP ASSY. PN 269A8329-23. DETAILED INS
- [SDR NDF2009F00001](https://openairdocs.org/sdr/NDF2009F00001), Aug 31, 2009: ALTERNATOR. FAILED. ALTERNATOR FAILED IN FLIGHT. ALTERNATOR WAS INSTALLED DURING ENGINE O/H BY MFG.
- [SDR CA090126006](https://openairdocs.org/sdr/CA090126006), Jan 26, 2009: BOLT. BROKEN. OPERATING A SCHWEIZER 269 C MODEL SERIAL NUMBER S1575 TSN 6449.5 THE CONICAL BRGS WERE REPLACE WITH NEW AT 6338.8 AND A NEW BOLT WAS INSTALLED AT THIS TIME P/N 
- [SDR CA080212005](https://openairdocs.org/sdr/CA080212005), Feb 8, 2008: LINK. DISCONNECTED. (CAN) THE COTTER PIN SECURING THE IDLE MIXTURE LINK BLOCK TO THE MIXTURE CONTROL ARM BECAME DISLODGED. THIS ALLOWED THE MIXTURE LINK BLOCK TO BECOME DISCONNECTE
- [SDR 2007FA0000697](https://openairdocs.org/sdr/2007FA0000697), Jul 11, 2007: CONDENSER. DISCONNECTED. SPRING CLIP ON TERMINAL WIRE CAME OFF ALLOWING WIRE TO DISCONNECT. (K)
- [SDR 2007FA0000688](https://openairdocs.org/sdr/2007FA0000688), Jul 10, 2007: BRACKET. LOOSE. ALTERNATOR BRACKET LOOSE AT ENGINE BOSS. BOLT CAUSES DAMAGE TO ENGINE CRANKCASE WHEN LOOSE. FRETTING OF ARM AND ENGINE CRANKCASE OCCURS. (K)
- [SDR 2007FA0000561](https://openairdocs.org/sdr/2007FA0000561), May 25, 2007: BUSHING. WORN. ENGINE MOUNTED THROTTLE LINKAGE BUSHINGS WORN. FOUND ON INSPECTION WITH EXCESSIVE PLAY. PROBABLY OCCURRED DUE TO EXCESSIVE VIBRATION OR LACK OF SUBRICATION. REC
- [SDR BS2R2120003](https://openairdocs.org/sdr/BS2R2120003), Nov 17, 2006: PULLEY BRACKET. BROKEN. ONE OF THE TWO BELT DRIVE CLUTCH ACTUATOR CABLE PULLEY BRACKETS BROKE CLEAN ACROSS BETWEEN THE FRAME MOUNT HOLE AND THE PULLEY MOUNT HOLE DURING ENGAGEMENT OF T
- [SDR CA060306008](https://openairdocs.org/sdr/CA060306008), Jan 12, 2006: FUEL CONTROL. MALFUNCTIONED. (CAN) CANNOT UNJUST IDLE MIXTURE. REPLACED FUEL CONTROL. (TC NR 20060306008)
- [SDR CA060303016](https://openairdocs.org/sdr/CA060303016), Nov 25, 2005: VALVE. INCORRECT. FUEL SYSTEM SENDER INCORRECT VALVE. REPLACED SENDER.
- [SDR CA050825001](https://openairdocs.org/sdr/CA050825001), Aug 17, 2005: RING. FAILED. (CAN) HEAVY OIL CONSUMPTION CYLINDER NR 3. OIL RING NOT PERFORMING ITS WORK. REMOVED AND SENT FOR REPAIR. REINSTALLED CYLINDER.
- [SDR CA041124003](https://openairdocs.org/sdr/CA041124003), Nov 22, 2004: ROTOR SHAFT. BROKEN. (CAN) ON RUN UP MAGNETO CHECK, FOUND LT MAG INOP. LT MAG REMOVED AND INSPECTED, ROTOR GEAR WAS FOUND SEPARATED FROM ROTOR SHAFT. RT MAGNETO WAS INSPECTED IN THE
- [SDR CA060303015](https://openairdocs.org/sdr/CA060303015), May 30, 2004: INDICATOR. FAILED. OIL PRESSURE UNSERVICEABLE. REPLACED CLUSTER ASSEMBLY.
- [SDR AUS20040413](https://openairdocs.org/sdr/AUS20040413), May 14, 2004: BOLT. SEPARATED. (AUS) GOVERNOR LINKAGE BOLT SEPARATED. LOSS OF ENGINE CONTROL RESULTED IN AUTO ROTATION AND HEAVY LANDING WITH SOME MINOR DAMAGE TO THE AIRCRAFT.
- [SDR H592004F00000](https://openairdocs.org/sdr/H592004F00000), Feb 28, 2004: SPLINE. SLIPPED. LEVEL FLIGHT, THE TAIL ROTOR DRIVESHAFT STARTED SLIPPING. TAIL ROTOR DRIVESHAFT SPLINES STRIPED. ON FRONT HALF OF SHAFT, STUDENT ENTERED AN AUTOROTATION AND AIR
- [SDR AUS20040136](https://openairdocs.org/sdr/AUS20040136), Feb 27, 2004: FUEL CONTROL. FAULTY. (AUS) ENGINE FUEL CONTROL UNIT FAULTY. INVESTIGATION FOUND PRESSURE ON THE MIXTURE ARM CHANGED THE FUEL FLOW RATE CAUSING THE ENGINE TO STOP.
- [SDR AUS20040085](https://openairdocs.org/sdr/AUS20040085), Feb 8, 2004: SEAL. WORN. (AUS) ENGINE CRANKSHAFT SEAL LEAKING. INVESTIGATION FOUND SEAL HAD DISINTEGRATED AROUND THE SEALING LIP. THIS IS A REPLACEMENT SEAL AFTER THE SEAL FAILURE IN MD
- [SDR CA031212006](https://openairdocs.org/sdr/CA031212006), Dec 10, 2003: DRIVE ASSY. CORRODED. (CAN) PILOT REPORTED LOST ROTOR TACH INDICATION. ROTOR DRIVE CABLE WAS REMOVED FROM ITS OUTER SHEATH FOR INSPECTION AND WAS FOUND SNAPPED IN TWO JUST BEFORE IT 
- [SDR CA030703013](https://openairdocs.org/sdr/CA030703013), Jun 18, 2003: ENGINE. FLAMED OUT. (CAN) SUDDEN ENGINE FLAMES AND A CONTINUOUS LOSS OF SUBSTANTIAL POWER. EMERGENCY LANDING CARRIED OUT. THE ENGINE IS UNDER INVESTIGATION BY TSB. ADDITIONAL REPOR
- [SDR AUS20030615](https://openairdocs.org/sdr/AUS20030615), Jun 9, 2003: PINION GEAR. FAILED. (AUS) MAIN TRANSMISSION TAIL ROTOR DRIVESHAFT PINION FAILED IN AREA LOCATED JUST IN FRONT OF THE THREADED AREA ALLOWING THE TAIL ROTOR DRIVE TO SEPARATE. AIRCRA
- [SDR 2003FA0000694](https://openairdocs.org/sdr/2003FA0000694), May 29, 2003: MAGNETO. FAILED. MAGNETO WAS REPLACED ON 5-27-03 WITH THIS MAGNETO. ON 5-28-03, WHILE PERFORMING MAGNETO CHECK, LEFT MAGNETO WAS DEAD. VERIFIED BY REMOING PRIMARY LEAD. CHECKED 
- [SDR AUS20030521](https://openairdocs.org/sdr/AUS20030521), May 17, 2003: FRAME. CRACKED. (AUS) FUSELAGE FRAME RT CLUSTER CRACKED.
- [SDR CA030425007](https://openairdocs.org/sdr/CA030425007), Apr 19, 2003: SHAFT. UNDERSIZE. (CAN) FORWARD BEARING INNER RACE TURNING ON SHAFT.
- [SDR CA030425008](https://openairdocs.org/sdr/CA030425008), Apr 7, 2003: BEARING. FAILED. (CAN) BEARING INNER RACE TURNING ON PULLEY SHAFT.
- [SDR AUS20030482](https://openairdocs.org/sdr/AUS20030482), Mar 27, 2003: COUPLING. WORN. (AUS) ENGINE TO TRANSMISSION DRIVE LOWER COUPLING WORN. COUPLING HAS A DIFFERENT SERIAL NUMBER TO THE LOGBOOK ENTRY. SUSPECT UNAPPROVED PART. PERSONNEL/MAINTENA
- [SDR CA030311005](https://openairdocs.org/sdr/CA030311005), Mar 5, 2003: CONTROL CABLE. STIFF. (CAN) FUEL CONTROL CABLE STIFF TO OPERATE. REPLACED CONTROL WITH NEW PART.
- [SDR CA030311006](https://openairdocs.org/sdr/CA030311006), Mar 5, 2003: BELT. CRACKED. (CAN) BELTS CRACKED TO FABRIC. BELT SET REPLACED.
- [SDR CA021031012](https://openairdocs.org/sdr/CA021031012), Sep 6, 2002: FUEL CONTROL. FAILED. (CAN) FUEL INJECTOR WOULD NOT CUT OFF. ENGINE WOULD CONTINUE RUNNING. REPLACED FUEL CONTROL.
- [SDR AUS20020649](https://openairdocs.org/sdr/AUS20020649), Jun 17, 2002: BEARING. FAILED. (AUS) MAIN ROTOR TRANSMISSION OUTPUT SHAFT BEARING DISINTEGRATED. TAILROTOR DRIVESHAFT TWISTED UP AT TRANSMISSION END.
- [SDR AUS20020610](https://openairdocs.org/sdr/AUS20020610), Jun 15, 2002: BOLT. BROKEN. (AUS) TAIL ROTOR FORK BOLT BROKEN IN HALF.
- [SDR CA021004005](https://openairdocs.org/sdr/CA021004005), Jun 12, 2002: BOLT. BROKEN. (CAN) NOISE OF STARTER AT ATTEMPTED START. FOUND TWO MISSING AND TWO BROKEN BOLTS THAT HOLD MOTOR HOUSING TO DRIVE HOUSING. INDUSTRIAL GRADE HARDWARE WITH ONLY 
- [SDR CA021003008](https://openairdocs.org/sdr/CA021003008), May 1, 2002: NUT. LOOSE. (CAN) DAILY INSPECTION REVEALED CLUTCH OIL ON BELT DRIVE ASSEMBLY, STATIC LEAK. INVESTIGATION REVEALED LT THREAD NUT/SEAL RUNNER WAS LOOSE.
- [SDR AUS20011318](https://openairdocs.org/sdr/AUS20011318), Dec 11, 2001: BRACKET. CRACKED. (AUS) LOWER DRIVE PULLEY SUPPORT BRACKET CRACKED. ONE ATTACHMENT LUGSEPARATED.
- [SDR AUS20011251](https://openairdocs.org/sdr/AUS20011251), Nov 19, 2001: DAMPER. LOOSE. (AUS) LH REAR LANDING GEAR DAMPER UPPER CAP UNSCREWED AND SEPARATED FROM PISTON. SUSPECT CAUSED BY VIBRATION.
- [SDR AUS20011055](https://openairdocs.org/sdr/AUS20011055), Sep 30, 2001: FRAME. CRACKED. (AUS) FUSELAGE FRAME CRACKED AT LT CLUSTER. FOUND VISUALLY AND CONFIRMED USING DYE PENETRANT INSPECTION. AIRCRAFT HAD OPERATED FOR 192.2 HOURS SINCE AD/HU269/57
- [SDR 2001FA0000472](https://openairdocs.org/sdr/2001FA0000472), Sep 12, 2001: BEARING. FAILED. ENGINE WAS REMOVED DUE TO METAL CONTAMINATION. FOUND NR 3 CONNECTING ROD BEARING FAILED. THE ENGINE DID NOT EXHIBIT SIGNS OF OIL STARVATION. CAUSE FOR THIS FAIL
- [SDR CA010724034](https://openairdocs.org/sdr/CA010724034), Jul 10, 2001: BLADE. CRACKED. (CAN) ON DAILY INSPECTION OUTBOARD PART OF BLADE SKIN WAS FOUND TO BE CRACKED. CRACK IS FORMED AROUND TIP BLOCK ON BLADE. THE CRACK IS APPROX. 3 INCHES LONG, ST
- [SDR CA010724035](https://openairdocs.org/sdr/CA010724035), Jul 10, 2001: BLADE. DAMAGED. (CAN) ON INSPECTION OF OPPOSITE TAIL ROTOR BLADE, THIS TAIL ROTOR BLADE WAS FOUND TO HAVE NO ABRAISON STRIP ON LEADING EDGE OF BLADE. FURTHER INSPECTION REVEALE
- [SDR CA010727009](https://openairdocs.org/sdr/CA010727009), Jul 7, 2001: SEAL. LEAKING. (CAN) OIL SEAL LEAKING IN RPM CABLE. REPLACE OIL SEAL PN CR 3687.
- [SDR CA010727011](https://openairdocs.org/sdr/CA010727011), Jul 7, 2001: BEARING. RATCHETING. (CAN) BEARING RACHET WHEN INSPECTION. REPLACE BEARING.
- [SDR CA010727014](https://openairdocs.org/sdr/CA010727014), Jul 7, 2001: BRACKET. CRACKED. (CAN) BRACKET CRACK . REPLACE BRACKET.
- [SDR CA010727008](https://openairdocs.org/sdr/CA010727008), Jun 7, 2001: SHAFT. BROKEN. (CAN) BROKEN TEETH ON SHAFT ON ENGINE ADAPTER SIDE. REPLACE SHAFT.
- [SDR CA010727010](https://openairdocs.org/sdr/CA010727010), Jun 7, 2001: BEARING. WORN. (CAN) BEARING WORN INSIDE. REPLACE ALL 3 GRIP BEAR IN SET.
- [SDR 20010420CW009](https://openairdocs.org/sdr/20010420CW009), Mar 16, 2001: BEARING. DAMAGED. AT 25 HOUR OIL CHANGE, FOUND METAL PARTICLES IN SUCTION SCREEN AND FILTER. ON INSPECTION, FOUND NR 2 MAIN BEARING HAD SPUN NEARLY CAUSING ENGINE FAILURE. CHECK 
- [SDR AU001170](https://openairdocs.org/sdr/AU001170), Dec 8, 2000: KEY. DISINTEGRATED. (AUS) NO3 CYLINDER EXHAUST VALVE SPRING LOCKING KEYS SHATTERED BUT WERE STILL HOLDING THE SPRINGS IN PLACE. CAP PNO MS13998-3 ALSO HADSEVERAL CHIPS MISSING. THE

All 78: https://openairdocs.org/engine/lycoming-hio-360-d1a/reports.md

## STCs that may be installed (OpenAirDocs) (26)

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 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 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 HIO-360 Series
- [STC SE4408SW](https://openairdocs.org/stc/SE4408SW): Miscellaneous engine cylinder replacement parts. Continental Motors, Inc. Lists HIO-360 Series
- [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc. Lists HIO-360 Series
- [STC SE02409AK](https://openairdocs.org/stc/SE02409AK): Installation of the Superior Air Parts Cold Air Induction System (CAIS). Wattum Aircraft Services
- [STC SE01930NY](https://openairdocs.org/stc/SE01930NY): Installation of Casper Labs 90 degree oil filter housing adapter. Casper Labs 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 HIO-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 HIO-360 Series
- [STC SE2389SE](https://openairdocs.org/stc/SE2389SE): Installation of B & C Specialty Products. Bainbridge William C III. Lists HIO-360 Series
- [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp. Lists HIO-360 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 HIO-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 HIO-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 HIO-360 Series
- [STC SE1445SO](https://openairdocs.org/stc/SE1445SO): Use of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines. ProTec. Lists HIO-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 HIO-360 Series

## 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
- [ES-349285-7](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169749354220251216184349.0001): S-1200 Series Magneto, 4-Cyl. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces LW-349235-3, LW-349235-3D… · 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
- [ES10-349241](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID114432320720251216184407.0001): Gear, Spur, 1200 Series, 4-Cyl. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349241 · 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
- [ES10-349243-2](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
- [AE45BS](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID187750711420250908153020.0001): Brush Rack Assembly. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number ALU1045BS · Aug 27, 2025
- [AE943](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185624017520250908153027.0001): Rotor Shaft. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number ALU-228 · Aug 27, 2025
- [AE1003](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID179565848920250908153019.0001): Drive End Housing. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number A2E1003K · Aug 27, 2025
- [AE45BS-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID173583138520250908153031.0001): Brush Rack Assembly. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number ALU-1045BS · Aug 27, 2025
- [AE2241](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID127316494620250908153022.0001): Fan Assembly. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number 90-2241 · Aug 27, 2025
- [AE1132](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103582853720250908153023.0001): Slip Ring End Housing. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Numbers ALK-1132AS… · Aug 27, 2025
- [SL4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199637784520250923185920.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Aug 4, 2025
- [TXPL4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID124596913420250923185922.0001): 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
- [AA48104-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156575247020240813134135.0001): Oil Filter. Aero Accessories LLC · PMA PQ1206CE · Replaces Aero AccessoriesAA48104Champion… · Jul 12, 2024
- [AA48111-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID120682187320240813134136.0001): Oil Filter. Aero Accessories LLC · PMA PQ1206CE · Replaces Aero AccessoriesAA48111Champion… · Jul 12, 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
- [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
- [AK-3984](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168254730520251216184200.0001): Capacitor. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3183, K3984 · May 20, 2024
- [AM-2556](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164604517920251216184155.0001): Cotter Pin. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M2556 · May 20, 2024
- [ES3637K](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID163564757720251216184213.0001): Contact Point Secondary. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3637 · May 20, 2024
- [AM-3062](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155261831320251216184153.0001): Oil Seal. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3062 · May 20, 2024
- [ES3084](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152458666320251216184211.0001): Air Vent With Hood. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3084 · May 20, 2024
- [AM-3217](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152412216720251216184157.0001): Wave Spring Washer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M-3217 · May 20, 2024
- [AM-3215](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151335825620251216184148.0001): Brush Assy, Distributor. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3215 · May 20, 2024
- [AM-3020](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID134367835920251216184146.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3020 · May 20, 2024
- [ES3822](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID133744562220251216184220.0001): Dist. Block & Gear Assy.. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces K3822 · May 20, 2024
- [ES1077](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132381862220251216184212.0001): Air Vent. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M1077 · May 20, 2024
- [AM3611](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125128266220251216184158.0001): Cam. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3611, M1522 · May 20, 2024
- [ES3827](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID113316784520251216184222.0001): Rotor Gear. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces K3827 · May 20, 2024
- [ES3826](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112237278720251216184206.0001): Spacer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3826 · May 20, 2024
- [ES3630](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID108310017320251216184222.0001): Bearing Cap, Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3630, K3630 · May 20, 2024
- [ES3172](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103914286320251216184209.0001): Washer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3172 · May 20, 2024
- [ES3019](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100047104220251216184208.0001): Nut. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3019 · May 20, 2024
- [AB-382585](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID195988018720251216184453.0001): Ignition ContactAssembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-382585 · Dec 8, 2023

All of them: https://openairdocs.org/engine/lycoming-hio-360-d1a/pma.md

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