# Lycoming HIO-360 series

- Type: Engine model (FAA registry)
- Registry code: 41524
- Manufacturer (registry): LYCOMING
- Model: HIO-360 SER
- Engine type: Reciprocating
- Power: 205 hp
- Data sheet: [TCDS 1E10](https://openairdocs.org/tcds/1E10) (OpenAirDocs)
- Holder: Lycoming Engines
- Installed in: 336 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-hio-360-series

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

## ADs that may apply (OpenAirDocs)

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

- [AD 2026-04-11](https://openairdocs.org/ad/2026-04-11): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 605 more. Effective Apr 8, 2026
- [AD 2022-16-03](https://openairdocs.org/ad/2022-16-03): Engine (RECIPROCATING) · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-F and 236 more. Effective Aug 15, 2022
- [AD 2017-16-11](https://openairdocs.org/ad/2017-16-11): Reciprocating Engine Power Section · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-360-B1G6 and 93 more. Effective Aug 15, 2017
- [AD 2015-19-07](https://openairdocs.org/ad/2015-19-07): Fuel injector fuel lines · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 187 more. Effective Nov 3, 2015
- [AD 2012-03-06](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 2010-07-08](https://openairdocs.org/ad/2010-07-08): Turbochargers · Kelly Aerospace Energy Systems HIO-360-E1AD, HIO-360-E1BD, HIO-360-F1AD and 137 more. Effective Apr 19, 2010
- [AD 2009-26-12](https://openairdocs.org/ad/2009-26-12): Cylinder assemblies · Engine Components Reciprocating Engine Cylinder Assemblies, AEIO-320-D1B, AEIO-320-D2B and 264 more. Effective Feb 4, 2010
- [AD 2009-02-03](https://openairdocs.org/ad/2009-02-03): Fuel injection servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 261 more. Effective Feb 9, 2009
- [AD 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 2002-12-07](https://openairdocs.org/ad/2002-12-07): Oil Filter Converter Plate Gasket or the Converter Plate Kit · Lycoming Engines HIO-360-E1AD, HIO-360-E1BD, HIO-360-F1AD and 95 more. Effective Jul 3, 2002
- [AD 98-17-11](https://openairdocs.org/ad/98-17-11): Crankshafts · Continental Motors A-65-3, A-65-8, A75-8 and 90 more. Effective Oct 19, 1998
- [AD 97-15-11](https://openairdocs.org/ad/97-15-11): Cylinder kits · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 538 more. Effective Aug 12, 1997
- [AD 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 89-13-02](https://openairdocs.org/ad/89-13-02): Servo Fuel Injectors · Lycoming Engines HIO-360-D1A. Effective Nov 30, 1989
- [AD 87-10-06 R1](https://openairdocs.org/ad/87-10-06-R1): Rocker Arm Assembly · Lycoming Engines IO-360-B4, IVO-360-A1A, O-340-A1A and 243 more. Effective Sep 1, 1989
- [AD 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 73-15-04](https://openairdocs.org/ad/73-15-04): Rubber Drive Plate Grommet · Lycoming Engines HIO-360-D1A. Effective Jul 23, 1973
- [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 72-21-04](https://openairdocs.org/ad/72-21-04): Magnetos · Lycoming Engines HIO-360-D1A. Effective Oct 13, 1972
- [AD 66-06-03](https://openairdocs.org/ad/66-06-03): Connecting Rod Assemblies · Lycoming Engines GO-435-C2 (O-435-17), GO-435-C2A, GO-435-C2A2 and 317 more. Effective Jan 16, 1969
- [AD 67-22-06](https://openairdocs.org/ad/67-22-06): Fuel Injectors · Lycoming Engines HIO-360-A1A, HIO-360-B1A, HIO-360-B1B and 28 more. Effective Aug 9, 1967
- [AD 64-16-05](https://openairdocs.org/ad/64-16-05): AC Pumps · Lycoming Engines HIO-360-B1A, HIO-360-B1B, IO-320-B1A and 86 more. Effective Jul 10, 1964

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) (8)

- [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-08-26R3](https://openairdocs.org/saib/NE-08-26R3): Magneto/Distributor. Issued Mar 31, 2011
- [SAIB NE-09-04](https://openairdocs.org/saib/NE-09-04): Fuel Control/Reciprocating Engines. Issued Jan 10, 2009
- [SAIB NE-06-32R1](https://openairdocs.org/saib/NE-06-32R1): Reciprocating Engine - Crankshaft. Issued Sep 10, 2008
- [SAIB NE-08-26R1](https://openairdocs.org/saib/NE-08-26R1) (historical): Dual Magnetos. Issued Jul 8, 2008
- [SAIB NE-05-40](https://openairdocs.org/saib/NE-05-40): . Issued Mar 18, 2005
- [SAIB NE-01-22](https://openairdocs.org/saib/NE-01-22): . Issued May 11, 2001

## Registered aircraft (336, first 50)

- [N100EN](https://openairdocs.org/aircraft/N100EN): [Downingtown, PA](https://openairdocs.org/faa-place/PA/Downingtown), S/N 816, Registration pending, pending cancellation
- [N1020S](https://openairdocs.org/aircraft/N1020S): [Tactical Turtle LLC](https://openairdocs.org/faa-owner/TACTICAL%20TURTLE%20LLC), [Sheridan, WY](https://openairdocs.org/faa-place/WY/Sheridan), built 1966, S/N 26-0467
- [N1020T](https://openairdocs.org/aircraft/N1020T): [Schroth Charles D](https://openairdocs.org/faa-owner/SCHROTH%20CHARLES%20D), [Gustavus, AK](https://openairdocs.org/faa-place/AK/Gustavus), built 1966, S/N 56-0554
- [N1020Z](https://openairdocs.org/aircraft/N1020Z): [Bowar Gary R](https://openairdocs.org/faa-owner/BOWAR%20GARY%20R), [Miranda, SD](https://openairdocs.org/faa-place/SD/Miranda), built 1966, S/N 66-0601
- [N102LU](https://openairdocs.org/aircraft/N102LU): [Blueskykai LLC](https://openairdocs.org/faa-owner/BLUESKYKAI%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1991, S/N S1548
- [N102WP](https://openairdocs.org/aircraft/N102WP): [Garcia Randy S](https://openairdocs.org/faa-owner/GARCIA%20RANDY%20S), [Montebello, CA](https://openairdocs.org/faa-place/CA/Montebello), built 1991, S/N S1572
- [N10375](https://openairdocs.org/aircraft/N10375): [Tactical Turtle LLC](https://openairdocs.org/faa-owner/TACTICAL%20TURTLE%20LLC), [Ortanna, PA](https://openairdocs.org/faa-place/PA/Ortanna), S/N 67-18376
- [N1038N](https://openairdocs.org/aircraft/N1038N): [Some Beech LLC](https://openairdocs.org/faa-owner/SOME%20BEECH%20LLC), [Bolivar, MO](https://openairdocs.org/faa-place/MO/Bolivar), S/N 85-0360
- [N1042P](https://openairdocs.org/aircraft/N1042P): [Mcalpine David B](https://openairdocs.org/faa-owner/MCALPINE%20DAVID%20B), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), built 1986, S/N 64-18123
- [N10475](https://openairdocs.org/aircraft/N10475): [Lissow William M](https://openairdocs.org/faa-owner/LISSOW%20WILLIAM%20M), [New Port Richey, FL](https://openairdocs.org/faa-place/FL/New%20Port%20Richey), built 1967, S/N 67-18368
- [N105CM](https://openairdocs.org/aircraft/N105CM): [Lewis Donn C](https://openairdocs.org/faa-owner/LEWIS%20DONN%20C), [Millington, MI](https://openairdocs.org/faa-place/MI/Millington), built 1966, S/N 66-0587
- [N106KT](https://openairdocs.org/aircraft/N106KT): [Detgen Ernest J](https://openairdocs.org/faa-owner/DETGEN%20ERNEST%20J), [Carmen, OK](https://openairdocs.org/faa-place/OK/Carmen), built 1966, S/N 46-0516
- [N107WS](https://openairdocs.org/aircraft/N107WS): [Byers Mike L](https://openairdocs.org/faa-owner/BYERS%20MIKE%20L), [Vista, CA](https://openairdocs.org/faa-place/CA/Vista), built 1959, S/N GH-107
- [N108JS](https://openairdocs.org/aircraft/N108JS): [Ramsey Ranch Aviation Inc](https://openairdocs.org/faa-owner/RAMSEY%20RANCH%20AVIATION%20INC), [San Antonio, TX](https://openairdocs.org/faa-place/TX/San%20Antonio), built 1994, S/N S1686
- [N1093Y](https://openairdocs.org/aircraft/N1093Y): [Schweizer Rsg LLC](https://openairdocs.org/faa-owner/SCHWEIZER%20RSG%20LLC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), built 1981, S/N 411045
- [N1098N](https://openairdocs.org/aircraft/N1098N): [Del Rio Aviation](https://openairdocs.org/faa-owner/DEL%20RIO%20AVIATION), [Paso Robles, CA](https://openairdocs.org/faa-place/CA/Paso%20Robles), built 1981, S/N 311038
- [N109JH](https://openairdocs.org/aircraft/N109JH): [Roeloffs Arie](https://openairdocs.org/faa-owner/ROELOFFS%20ARIE), [Wendell, ID](https://openairdocs.org/faa-place/ID/Wendell), built 1997, S/N 808
- [N1103T](https://openairdocs.org/aircraft/N1103T): [Davis Rickey L](https://openairdocs.org/faa-owner/DAVIS%20RICKEY%20L), [Weatherford, TX](https://openairdocs.org/faa-place/TX/Weatherford), S/N 1100983
- [N1104Z](https://openairdocs.org/aircraft/N1104Z): [Electrical Systems Of Wy Inc](https://openairdocs.org/faa-owner/ELECTRICAL%20SYSTEMS%20OF%20WY%20INC), [Gillette, WY](https://openairdocs.org/faa-place/WY/Gillette), built 1980, S/N 1000973
- [N1107V](https://openairdocs.org/aircraft/N1107V): [Darkstar Drones LLC](https://openairdocs.org/faa-owner/DARKSTAR%20DRONES%20LLC), [Brewton, AL](https://openairdocs.org/faa-place/AL/Brewton), built 1981, S/N 1201015
- [N122TV](https://openairdocs.org/aircraft/N122TV): [Butler Aaron](https://openairdocs.org/faa-owner/BUTLER%20AARON), [Rupert, ID](https://openairdocs.org/faa-place/ID/Rupert), built 1976, S/N 1049
- [N128SA](https://openairdocs.org/aircraft/N128SA): [Fly-Right Aviation LLC](https://openairdocs.org/faa-owner/FLY-RIGHT%20AVIATION%20LLC), [Anderson, SC](https://openairdocs.org/faa-place/SC/Anderson), S/N 355
- [N128T](https://openairdocs.org/aircraft/N128T): [Blakesmith Don G](https://openairdocs.org/faa-owner/BLAKESMITH%20DON%20G), [London Mills, IL](https://openairdocs.org/faa-place/IL/London%20Mills), built 1990, S/N 770
- [N137JS](https://openairdocs.org/aircraft/N137JS): [Compound Holdings LLC](https://openairdocs.org/faa-owner/COMPOUND%20HOLDINGS%20LLC), [Auburn, NY](https://openairdocs.org/faa-place/NY/Auburn), built 1994, S/N S1692
- [N137R](https://openairdocs.org/aircraft/N137R): [Cowboy Up Aviation LLC](https://openairdocs.org/faa-owner/COWBOY%20UP%20AVIATION%20LLC), [Frenchglen, OR](https://openairdocs.org/faa-place/OR/Frenchglen), built 1995, S/N 804
- [N144PH](https://openairdocs.org/aircraft/N144PH): [Del Rio Aviation Inc](https://openairdocs.org/faa-owner/DEL%20RIO%20AVIATION%20INC), [Paso Robles, CA](https://openairdocs.org/faa-place/CA/Paso%20Robles), built 1991, S/N S1517
- [N1509F](https://openairdocs.org/aircraft/N1509F): [Dragonfly Helicopter Service Ltd](https://openairdocs.org/faa-owner/DRAGONFLY%20HELICOPTER%20SERVICE%20LTD), [North Dighton, MA](https://openairdocs.org/faa-place/MA/North%20Dighton), built 2005, S/N 0213
- [N151KC](https://openairdocs.org/aircraft/N151KC): [Air Flite Inc](https://openairdocs.org/faa-owner/AIR%20FLITE%20INC), [Shawnee, OK](https://openairdocs.org/faa-place/OK/Shawnee), built 1997, S/N S1752
- [N1525F](https://openairdocs.org/aircraft/N1525F): [US Aviation Training Solutions](https://openairdocs.org/faa-owner/US%20AVIATION%20TRAINING%20SOLUTIONS), [Titusville, FL](https://openairdocs.org/faa-place/FL/Titusville), built 2005, S/N 0215
- [N1548P](https://openairdocs.org/aircraft/N1548P): [US Aviation Training Solutions](https://openairdocs.org/faa-owner/US%20AVIATION%20TRAINING%20SOLUTIONS), [Titusville, FL](https://openairdocs.org/faa-place/FL/Titusville), built 2005, S/N 0199
- [N15725](https://openairdocs.org/aircraft/N15725): [Hassell Dan J](https://openairdocs.org/faa-owner/HASSELL%20DAN%20J), [Ketchikan, AK](https://openairdocs.org/faa-place/AK/Ketchikan), built 1991, S/N S1565
- [N1577E](https://openairdocs.org/aircraft/N1577E): [Seibert Lynn K](https://openairdocs.org/faa-owner/SEIBERT%20LYNN%20K), [Fresno, CA](https://openairdocs.org/faa-place/CA/Fresno), S/N 1131
- [N160CA](https://openairdocs.org/aircraft/N160CA): [Price Keyth E](https://openairdocs.org/faa-owner/PRICE%20KEYTH%20E), [Ossian, IN](https://openairdocs.org/faa-place/IN/Ossian), S/N S1554
- [N1633C](https://openairdocs.org/aircraft/N1633C): [US Aviation Training Solutions (Usats)](https://openairdocs.org/faa-owner/US%20AVIATION%20TRAINING%20SOLUTIONS%20(USATS)), [Titusville, FL](https://openairdocs.org/faa-place/FL/Titusville), built 2005, S/N 0208
- [N16HW](https://openairdocs.org/aircraft/N16HW): [Kelley John E](https://openairdocs.org/faa-owner/KELLEY%20JOHN%20E), [Bartlett, TN](https://openairdocs.org/faa-place/TN/Bartlett), built 2001, S/N 1
- [N171DH](https://openairdocs.org/aircraft/N171DH): [Oul LLC](https://openairdocs.org/faa-owner/OUL%20LLC), [Hermon, ME](https://openairdocs.org/faa-place/ME/Hermon), S/N 757
- [N171HH](https://openairdocs.org/aircraft/N171HH): [Lrh Equipment LLC](https://openairdocs.org/faa-owner/LRH%20EQUIPMENT%20LLC), [Pendleton, OR](https://openairdocs.org/faa-place/OR/Pendleton), built 1988, S/N 758
- [N1761D](https://openairdocs.org/aircraft/N1761D): [Airwest Helicopters Inc](https://openairdocs.org/faa-owner/AIRWEST%20HELICOPTERS%20INC), [Redlands, CA](https://openairdocs.org/faa-place/CA/Redlands), built 2004, S/N 0191
- [N17915](https://openairdocs.org/aircraft/N17915): [US Aviation Training Solutions (Usats)](https://openairdocs.org/faa-owner/US%20AVIATION%20TRAINING%20SOLUTIONS%20(USATS)), [Titusville, FL](https://openairdocs.org/faa-place/FL/Titusville), built 2006, S/N 0235
- [N17YS](https://openairdocs.org/aircraft/N17YS): [Joslyn Larry J](https://openairdocs.org/faa-owner/JOSLYN%20LARRY%20J), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), built 1992, S/N S1619
- [N1824J](https://openairdocs.org/aircraft/N1824J): [Cb Flying LLC](https://openairdocs.org/faa-owner/CB%20FLYING%20LLC), [Fulton, MO](https://openairdocs.org/faa-place/MO/Fulton), built 2005, S/N 0192
- [N18414](https://openairdocs.org/aircraft/N18414): [US Aviation Training Solutions](https://openairdocs.org/faa-owner/US%20AVIATION%20TRAINING%20SOLUTIONS), [Titusville, FL](https://openairdocs.org/faa-place/FL/Titusville), built 2005, S/N 0226
- [N184PH](https://openairdocs.org/aircraft/N184PH): [Ebhs LLC](https://openairdocs.org/faa-owner/EBHS%20LLC), [Monroe, MI](https://openairdocs.org/faa-place/MI/Monroe), built 1991, S/N S1570
- [N1893A](https://openairdocs.org/aircraft/N1893A): [Lone Star Helicopter Inc](https://openairdocs.org/faa-owner/LONE%20STAR%20HELICOPTER%20INC), [Lago Vista, TX](https://openairdocs.org/faa-place/TX/Lago%20Vista), built 2006, S/N 0232
- [N191J](https://openairdocs.org/aircraft/N191J): [Styer David B](https://openairdocs.org/faa-owner/STYER%20DAVID%20B), [Pendleton, OR](https://openairdocs.org/faa-place/OR/Pendleton), built 1977, S/N 390
- [N1952C](https://openairdocs.org/aircraft/N1952C): [Butler William J II](https://openairdocs.org/faa-owner/BUTLER%20WILLIAM%20J%20II), [Juntura, OR](https://openairdocs.org/faa-place/OR/Juntura), built 1981, S/N 709
- [N1952Z](https://openairdocs.org/aircraft/N1952Z): [Butler William J II](https://openairdocs.org/faa-owner/BUTLER%20WILLIAM%20J%20II), [Juntura, OR](https://openairdocs.org/faa-place/OR/Juntura), built 1987, S/N 746
- [N198DW](https://openairdocs.org/aircraft/N198DW): [Welch Troy O](https://openairdocs.org/faa-owner/WELCH%20TROY%20O), [Graford, TX](https://openairdocs.org/faa-place/TX/Graford), built 1997, S/N S1746
- [N1995F](https://openairdocs.org/aircraft/N1995F): [Mark Mackenzie LLC](https://openairdocs.org/faa-owner/MARK%20MACKENZIE%20LLC), [Jordan Valley, OR](https://openairdocs.org/faa-place/OR/Jordan%20Valley), S/N S1193
- [N199LB](https://openairdocs.org/aircraft/N199LB): [L A B Flying Service Inc](https://openairdocs.org/faa-owner/L%20A%20B%20FLYING%20SERVICE%20INC), [Renton, WA](https://openairdocs.org/faa-place/WA/Renton), S/N 790

All 336: https://openairdocs.org/engine/lycoming-hio-360-series/aircraft.md

## NTSB investigations (390, newest 50)

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

- [NTSB WPR26LA270](https://openairdocs.org/ntsb/WPR26LA270), Jul 21, 2026: Enstrom F-28F (N8624B), Malad City, ID, substantial damage, investigation ongoing
- [NTSB ERA26LA122](https://openairdocs.org/ntsb/ERA26LA122), Feb 21, 2026: Hughes 269A (N1020S), Gettysburg, PA, substantial damage. Probable cause: The flight instructor’s failure to identify the excess power required to lift off from soft and muddy ground, which resulted in a loss of control and subsequent collision with a hangar during takeoff.
- [NTSB CEN25LA103](https://openairdocs.org/ntsb/CEN25LA103), Feb 24, 2025: Starduster II (N78WT), Azle, TX, destroyed, investigation ongoing
- [NTSB WPR25FA097](https://openairdocs.org/ntsb/WPR25FA097), Feb 19, 2025: Lancair 360 (N3602M), Marana, AZ, destroyed, 2 fatal, investigation ongoing
- [NTSB CEN25LA003](https://openairdocs.org/ntsb/CEN25LA003), Oct 3, 2024: Schweizer 269C (N656RB), Montrose, CO, substantial damage. Probable cause: A loss of engine power during a demonstrated autorotation due to an improperly adjusted air-fuel mixture or idle setting. Contributing to the accident was the pilot’s failure to perform the required…
- [NTSB ANC23LA069](https://openairdocs.org/ntsb/ANC23LA069), Sep 3, 2023: Bellanca 8GCBC (N723AK), Cordova, AK, substantial damage. Probable cause: The pilot’s exceedance of the airplane’s critical angle of attack during landing, which resulted in an aerodynamic stall and loss of airplane control.
- [NTSB ERA23LA284](https://openairdocs.org/ntsb/ERA23LA284), Jul 1, 2023: Schweizer 269C (N9WZ), Macclenny, FL, substantial damage. Probable cause: The improper maintenance of the landing gear dampers and main rotor elastomeric dampers, resulting in ground resonance during an unsuccessful takeoff attempt with the helicopter near its maximum…
- [NTSB ERA23LA289](https://openairdocs.org/ntsb/ERA23LA289), Jun 27, 2023: Hughes 269A (N90270), Anderson, SC, substantial damage. Probable cause: The mechanics’ improper torquing of the main rotor blade dampers, which resulted in a ground resonance event during landing.
- [NTSB ERA22FA262](https://openairdocs.org/ntsb/ERA22FA262), Jun 7, 2022: Enstrom F28 (N600TA), Greenville, OH, substantial damage, 2 fatal. Probable cause: An impact with terrain for undetermined reasons.
- [NTSB ERA22LA210](https://openairdocs.org/ntsb/ERA22LA210), Apr 5, 2022: Henderson Clifford S Super Bear CSH-1 (N371M), Indiana, PA, substantial damage. Probable cause: The pilot's loss of directional control while landing, which resulted in a ground loop.
- [NTSB ERA22LA180](https://openairdocs.org/ntsb/ERA22LA180), Apr 2, 2022: Hughes 269A (N7057L), Fort White, FL, substantial damage. Probable cause: The non-instrument-rated pilot’s decision to fly a visual flight rules only helicopter in instrument meteorological conditions, which resulted in a collision with trees and terrain.
- [NTSB ERA21LA357](https://openairdocs.org/ntsb/ERA21LA357), Sep 8, 2021: Enstrom F28 (N51789), Toughkenamon, PA, substantial damage. Probable cause: The pilot’s failure to maintain control of the helicopter during an out-of-ground effect hover in a gusty wind, due to loss of tail rotor effectiveness.
- [NTSB CEN21LA253](https://openairdocs.org/ntsb/CEN21LA253), Jun 3, 2021: Schweizer TH55A/269A (N41G), Monroe, LA, substantial damage. Probable cause: The pilot’s failure to maintain yaw control during landing which resulted in a loss of tail rotor effectiveness.
- [NTSB ANC21LA038](https://openairdocs.org/ntsb/ANC21LA038), May 9, 2021: Enstrom F-28F (N8627J), Palmer, AK, substantial damage. Probable cause: A loss of drive to the rotor system due to the disengagement of the main belt drive tensioning system, which resulted in a forced landing. The disengagement was due to inadequate clearance between…
- [NTSB WPR21LA086](https://openairdocs.org/ntsb/WPR21LA086), Jan 13, 2021: Hughes 269C (N7480F), Spanish Fork, UT, substantial damage. Probable cause: The loss of engine power during a practice autorotation for an undetermined reason.
- [NTSB CEN21LA081](https://openairdocs.org/ntsb/CEN21LA081), Nov 7, 2020: Schweizer 269C (N2081G), Rhame, ND, substantial damage. Probable cause: The pilot landed the helicopter on unsuitable terrain, which resulted in a rollover.
- [NTSB WPR20LA190](https://openairdocs.org/ntsb/WPR20LA190), Jun 23, 2020: Schweizer 269C (N202CC), North Las Vegas, NV, substantial damage. Probable cause: A total loss of engine power for reasons that could not be determined based on the available information.
- [NTSB CEN20CA240](https://openairdocs.org/ntsb/CEN20CA240), Jun 21, 2020: Schweizer 269C (N298TH), Sheffield, TX, substantial damage. Probable cause: The pilot's failure to maintain adequate clearance from a fence while hovering.
- [NTSB ERA20CA104](https://openairdocs.org/ntsb/ERA20CA104), Feb 17, 2020: Schweizer 269C (N731TA), Ormond Beach, FL, substantial damage. Probable cause: The student pilot's improper pedal and cyclic input while maneuvering, which resulted in a loss of helicopter control.
- [NTSB GAA19CA596](https://openairdocs.org/ntsb/GAA19CA596), Sep 11, 2019: Pitts S1 (N515JD), Reno, NV, substantial damage. Probable cause: The pilot's failure to maintain directional control during landing, which resulted in a runway excursion and a ground loop.
- [NTSB GAA19CA514](https://openairdocs.org/ntsb/GAA19CA514), Aug 25, 2019: Hughes 269A (N653CH), Shamokin, PA, substantial damage. Probable cause: The pilot's improper landing flare during an autorotation, which resulted in a hard landing. Contributing to the accident was a loss of engine power for reasons that could not be determined because…
- [NTSB GAA19CA463](https://openairdocs.org/ntsb/GAA19CA463), Jul 24, 2019: Hughes 269A (N269RR), Springfield, TN, substantial damage. Probable cause: The pilot’s failure to maintain helicopter control and a loss of tail rotor effectiveness while hover-taxiing and turning toward a taxiway in gusting crosswind conditions, which resulted in a dynamic…
- [NTSB ERA19LA173](https://openairdocs.org/ntsb/ERA19LA173), May 15, 2019: Hughes 269B (N9422F), Hampton, GA, substantial damage. Probable cause: Ground resonance during landing for reasons that could not be determined based on the available information.
- [NTSB ERA19TA005](https://openairdocs.org/ntsb/ERA19TA005), Oct 7, 2018: Enstrom F28 (N5691Y), Bridgeville, DE, substantial damage. Probable cause: The pilot's mismanagement of collective pitch control during takeoff from an area with numerous obstacles, which resulted in the helicopter entering a low rotor rpm state and a forced hard landing.
- [NTSB GAA18CA539](https://openairdocs.org/ntsb/GAA18CA539), Sep 3, 2018: Schweizer 269C (N139JS), Delaware, OH, substantial damage. Probable cause: The pilot’s improper landing flare, which resulted in a hard landing.
- [NTSB WPR18LA170](https://openairdocs.org/ntsb/WPR18LA170), Jun 13, 2018: Schweizer 269C (N557DC), Las Vegas, NV, substantial damage. Probable cause: The pilot’s failure to take the appropriate corrective action for ground resonance, which resulted in a loss of helicopter control.
- [NTSB GAA18CA168](https://openairdocs.org/ntsb/GAA18CA168), Mar 14, 2018: Hughes 269 (N11047), San Antonio, TX, substantial damage. Probable cause: The pilot’s decision to relinquish the helicopter flight controls to a non-rated passenger during a 3 ft hover.
- [NTSB GAA18CA159](https://openairdocs.org/ntsb/GAA18CA159), Mar 10, 2018: Hughes 269 (N9020M), Jacksonville, FL, substantial damage. Probable cause: The pilot’s failure to maintain rotor rpm during a practice autorotation, which resulted in ground contact and a dynamic rollover.
- [NTSB WPR17IA198](https://openairdocs.org/ntsb/WPR17IA198), Aug 22, 2017: Enstrom F 28F (N52PD), Glendale, AZ, incident, no damage. Probable cause: An internal failure of the turbo-compressor, which resulted in oil leaking into the turbo-compressor’s exhaust.
- [NTSB ERA16LA326](https://openairdocs.org/ntsb/ERA16LA326), Sep 22, 2016: Hughes 269B (N269BS), Ozark, AL, substantial damage. Probable cause: A total loss of engine power for reasons that could not be determined following a successful postaccident engine run on the accident helicopter.
- [NTSB CEN16FA315](https://openairdocs.org/ntsb/CEN16FA315), Aug 10, 2016: Hughes 269C (N9277R), Howe, TX, substantial damage, 1 fatal. Probable cause: The improper execution of an autorotation following the loss of engine power, which resulted in an uncontrolled descent into terrain. Contributing to the accident was the flight instructor's lack of…
- [NTSB CEN16FA304](https://openairdocs.org/ntsb/CEN16FA304), Aug 3, 2016: Schweizer 269C 1 (N1549W), Jeanerette, LA, substantial damage, 1 fatal. Probable cause: The pilot's loss of helicopter control for reasons that could not be determined based on available evidence.
- [NTSB CEN16LA303](https://openairdocs.org/ntsb/CEN16LA303), Jul 29, 2016: Hughes 269A (N269JB), Morris, MN, substantial damage. Probable cause: The pilot's failure to maintain clearance from terrain due to his distraction by the navigation system.
- [NTSB ERA16LA261](https://openairdocs.org/ntsb/ERA16LA261), Jul 16, 2016: Schweizer 269C (N6148D), Calhoun, GA, substantial damage. Probable cause: The helicopter owner’s failure to ensure the helicopter’s airworthiness and the inadequate inspection and maintenance of the helicopter's landing gear dampers, which resulted in ground resonance…
- [NTSB GAA16CA363](https://openairdocs.org/ntsb/GAA16CA363), Jul 1, 2016: Hughes 269C (N9658F), Cullman, AL, substantial damage. Probable cause: The helicopter flight instructor candidate's improper execution of the autorotation, resulting in abnormal ground contact and subsequent damage to the vertical stabilizer and tail rotor drive…
- [NTSB CEN16LA084](https://openairdocs.org/ntsb/CEN16LA084), Dec 22, 2015: Schweizer 269C (N292B), Warrenton, MO, destroyed. Probable cause: The noninstrument-rated pilot's continued flight into instrument meteorological conditions at night, which resulted in the loss of visual reference to the ground and his subsequent failure to…
- [NTSB ERA15LA376](https://openairdocs.org/ntsb/ERA15LA376), Sep 25, 2015: Hughes 269 (N9567F), Eustis, FL, substantial damage. Probable cause: The pilot's failure to maintain yaw control as he slowed the helicopter during a landing approach, which resulted in a loss of helicopter control due to a loss of tail rotor effectiveness.
- [NTSB WPR15LA261](https://openairdocs.org/ntsb/WPR15LA261), Sep 18, 2015: Schweizer 269C (N290R), Forest Grove, OR, substantial damage. Probable cause: A partial loss of engine power during cruise flight for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have…
- [NTSB WPR15LA245](https://openairdocs.org/ntsb/WPR15LA245), Aug 18, 2015: Schweizer 269C (N17YS), Las Vegas, NV, substantial damage. Probable cause: A total loss of engine power during a practice autorotation for reasons that could not be determined.
- [NTSB CEN15LA341](https://openairdocs.org/ntsb/CEN15LA341), Aug 5, 2015: Hughes 269B (N9427F), Atkinson, IL, destroyed. Probable cause: The pilot's improper decision to intentionally fly the helicopter at a low altitude and his subsequent failure to maintain clearance from a power line.
- [NTSB GAA15CA197](https://openairdocs.org/ntsb/GAA15CA197), Jul 21, 2015: Hughes 269C (N58397), Atlanta, TX, substantial damage. Probable cause: The non-helicopter rated pilot's improper landing flare, which resulted in impact with terrain.
- [NTSB WPR15FA205](https://openairdocs.org/ntsb/WPR15FA205), Jul 2, 2015: Schweizer 269C (N2096W), Newberg, OR, destroyed, 2 fatal. Probable cause: The loss of translation/rotational power between the engine and the transmission due to the severe wear of the forward spline portion of the lower coupling drive shaft. The reason for the severe wear…
- [NTSB CEN15CA274](https://openairdocs.org/ntsb/CEN15CA274), Jun 14, 2015: Enstrom F 28C (N51778), Romeoville, IL, substantial damage. Probable cause: The certified flight instructor (CFI) did not maintain directional control during a downwind emergency running landing to soft muddy terrain, which resulted in a dynamic rollover. Contributing to the…
- [NTSB GAA15CA061](https://openairdocs.org/ntsb/GAA15CA061), May 5, 2015: Hughes TH 55 (N7089S), Morganton, NC, substantial damage. Probable cause: The flight instructor's delayed flare during a simulated auto rotation, which resulted in a tail rotor strike and rollover.
- [NTSB WPR15CA128](https://openairdocs.org/ntsb/WPR15CA128), Mar 14, 2015: Enstrom F28 - C (N5688N), Shelby, MT, substantial damage. Probable cause: The pilot's failure to maintain main rotor RPM during a low altitude operation, which resulted in a loss of aircraft control and collision with terrain.
- [NTSB CEN15WA162](https://openairdocs.org/ntsb/CEN15WA162), Feb 6, 2015: Hughes 269A (N90584), Oresten, Sweden, substantial damage
- [NTSB CEN14CA513](https://openairdocs.org/ntsb/CEN14CA513), Sep 22, 2014: Schweizer 269C (N1675U), Grand Forks, ND, substantial damage. Probable cause: The flight instructor's inadequate supervision and delayed remedial action during a practice autorotation, which resulted in a tail rotor strike.
- [NTSB CEN14LA269](https://openairdocs.org/ntsb/CEN14LA269), May 31, 2014: Schweizer 269C (N902CP), Temple, TX, substantial damage. Probable cause: Ground resonance due to maintenance personnel’s improper inspection of the landing gear dampers, which resulted in the dampers operating outside of allowable limits.
- [NTSB CEN14LA222](https://openairdocs.org/ntsb/CEN14LA222), Apr 25, 2014: Hughes 269A (N90636), Cleburne, TX, substantial damage. Probable cause: The student pilot's failure to maintain tail rotor clearance from terrain while transitioning to a hover taxi and the instructor pilot's inadequate remedial action to prevent the impending tail rotor…
- [NTSB ERA14CA080](https://openairdocs.org/ntsb/ERA14CA080), Dec 28, 2013: Schweizer 269C (N2056J), White Plains, NY, substantial damage. Probable cause: The flight instructor's failure to maintain airspeed during a practice autorotation, which resulted in a hard landing and subsequent loss of control

All 390: https://openairdocs.org/engine/lycoming-hio-360-series/ntsb.md

## FAA accident and incident reports (503, newest 50)

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

- [Accident 20260721010279A](https://openairdocs.org/incident/20260721010279A), Jul 21, 2026: Enstrom F-28F (N8624B), Malad, ID, Substantial damage. On July 21, 2026, about 0815 mountain daylight time, an Enstrom F-28F helicopter, [privacy data omitted], was substantially damaged when it was involved in an…
- [Incident 20260516007019I](https://openairdocs.org/incident/20260516007019I), May 16, 2026: Enstrom F-28F (N857MM), Helena, MT, Minor damage. On 16 may pilot attempted to land helicopter to a level unimproved lz in a pasture, as he was lowering the collective the right side of the helicopter appeared…
- [Accident 20260221003679A](https://openairdocs.org/incident/20260221003679A), Feb 21, 2026: Hughes 269A (N1020S), Gettysburg, PA, Substantial damage. On February 21, 2026, at 1159 eastern daylight time (EDT), a Hughes 269-A helicopter was substantially damaged when it was involved in an off-airport accident…
- [Incident 20250812010109I](https://openairdocs.org/incident/20250812010109I), Aug 12, 2025: Hughes 269C (N75054), Gettysburg, PA, Substantial damage. On August 12th, 2025, the airman was conducting a maintenance ground run in helicopter [privacy data omitted] at the Gettysburg Airport. The purpose of the…
- [Accident 20250224013779A](https://openairdocs.org/incident/20250224013779A), Feb 24, 2025: Maughan Wesley J STARDUSTER II (N78WT), Azle, TX, Destroyed. Arrived on scene, issued PIC the compliance philosophy brochure containing the pilot's bill of rights. PIC stated that he'd flown the airplane earlier in the…
- [Accident 20250219001202A](https://openairdocs.org/incident/20250219001202A), Feb 19, 2025: Reinath Michael S LANCAIR 360 MK II (N3602M), Marana, AZ, Destroyed, 2 fatal. The Cessna 172S initially departed from chandler municipal airport (chd) as a part 61 instructional flight with a student pilot performing an initial…
- [Accident 20241002018379A](https://openairdocs.org/incident/20241002018379A), Oct 2, 2024: Schweizer 269C (N656RB), Montrose, CO, Substantial damage. On 10/02/2024, a pilot flying a Schweizer 269C helicopter with a registration number of [privacy data omitted] was taking [privacy data omitted] on a flight…
- [Accident 20230902018029A](https://openairdocs.org/incident/20230902018029A), Sep 2, 2023: Bellanca 8GCBC (N723AK), Cordova, AK, Substantial damage. Pilots statement: while landing 09 Cordova pacv during a 3 point landing aircraft stalled approximately 5-10' off the ground and bounced, I applied full power…
- [Accident 20230701007619A](https://openairdocs.org/incident/20230701007619A), Jul 1, 2023: Schweizer 269C (N9WZ), Macclenny, FL, Substantial damage. Pilot stated they started the helicopter and thought they felt something then lowered the collective, performe a magneto check and checked gauges, felt for…
- [Accident 20230627019109A](https://openairdocs.org/incident/20230627019109A), Jun 27, 2023: Hughes 269A (N90270), Anderson, SC, Substantial damage. The helicopter experienced a vibration earlier in the day. The pilot/[privacy data omitted]/mechanic performed a blade tension check by hand after landing. The…
- [Accident 20220607009729A](https://openairdocs.org/incident/20220607009729A), Jun 7, 2022: Enstrom F-28F (N600TA), Greenville, OH, Destroyed, 2 fatal. On June 7, 2022, about 0935 eastern standard time, an Enstrom F28 helicopter, [privacy data omitted] sustained substantial damage when it impacted the ground…
- [Accident 20220405004989A](https://openairdocs.org/incident/20220405004989A), Apr 5, 2022: Henderson Clifford S SUPER BEAR CSH-1 (N371M), Indiana, PA, Substantial damage. N371M left from 22N, lehighton, PA on April 5, 2022. Upon landing at idi, Indiana, PA, [privacy data omitted] the pilot, lost control of the aircraft during…
- [Accident 20220402004879A](https://openairdocs.org/incident/20220402004879A), Apr 2, 2022: Hughes 269A (N7057L), Fort White, FL, Substantial damage. On 04/02/2022, N7057L, a Hughes 269A helicopter, (not equipped for instrument flight), crashed at approximately 10:29AM at the intersection of state road 47…
- [Accident 20210908015469A](https://openairdocs.org/incident/20210908015469A), Sep 8, 2021: Enstrom F-28C (N51789), Toughkenamon, PA, Substantial damage. Pilot was hovering helicopter in a left to right crosswind. The pilot stated that he did not obtain a weather brief that day. He experienced tail rotor vortex…
- [Accident 20210603006589A](https://openairdocs.org/incident/20210603006589A), Jun 3, 2021: Schweizer(Hughes)Aircraft Corp TH55A/269A (N41G), Monroe, LA, Substantial damage. On June 3rd, 2021, at approximately 12:15 CDT (1715 UTC), N41G, a Schweizer (Hughes) TH55A/269A rotorcraft, was air taxiing at the Monroe Regional Airport…
- [Accident 20210509011859A](https://openairdocs.org/incident/20210509011859A), May 9, 2021: Enstrom F-28F (N8627J), Palmer, AK, Substantial damage. Aircraft was in cruise flight at about 1.5 into sightseeing operations. While in cruise at ~350 AGL, clutch light flickered and then fully disengaged. Due to…
- [Accident 20210112001919A](https://openairdocs.org/incident/20210112001919A), Jan 12, 2021: Hughes 269C (N7480F), Spanish Fork, UT, Substantial damage. The crew was conducting required training in preparation for the students category and class rating check ride in two days. The crew practiced several…
- [Accident 20201107014879A](https://openairdocs.org/incident/20201107014879A), Nov 7, 2020: Schweizer 269C (N2081G), Bowman, ND, Substantial damage. The pilot stated had was hovering and looking for a place to set down. He then saw a place he thought was suitable and landed. He stated as he landed the skid…
- [Incident 20200713015839I](https://openairdocs.org/incident/20200713015839I), Jul 13, 2020: Farmer J C/Farmer E COZY MK-IV (N93CF), Butler, PA, Minor damage. Airman was doing landings in the traffic pattern and was distracted which subsequently lead to forgetting to extend the nose landing gear. While on downwind,…
- [Accident 20200623011299A](https://openairdocs.org/incident/20200623011299A), Jun 23, 2020: Schweizer 269C (N202CC), Las Vegas, NV, Substantial damage. Aircraft departed the north Las Vegas airport for a part 61 training flight. After conducting flight training west of Las Vegas, Nevada, the CFI had the…
- [Accident 20200621005859A](https://openairdocs.org/incident/20200621005859A), Jun 21, 2020: Schweizer 269C (N298TH), Sheffield, TX, Substantial damage. On June 21, 2020, a Schweizer 269C bearing the registration number N298TH hit a fence while hovering. The helicopter impacted terrain resulting in substantial…
- [Accident 20200217006969A](https://openairdocs.org/incident/20200217006969A), Feb 17, 2020: Schweizer 269C-1 (N731TA), Ormond Beach, FL, Substantial damage. On February 17, 2020, at approximately 15.16 local time, the pilot in command of N731TA, a Schweizer helicopter 269C-1, lost control of the helicopter while…
- [Accident 20190911023049A](https://openairdocs.org/incident/20190911023049A), Sep 11, 2019: John A Dalessandris PITTS S1S (N515JD), Reno, NV, Minor damage. The pilot ground looped after racing. There was a thermal (devil duster) over the first third of the landing runway which may have caused the aircraft to…
- [Accident 20190826014779A](https://openairdocs.org/incident/20190826014779A), Aug 26, 2019: Hughes 269A (N653CH), Paxinos, PA, Substantial damage. Pilot initiated a practice autorotation at 1000 feet AGL. Pilot failed to recover the aircraft resulting in a hard landing causing substantial damage.
- [Accident 20190724016109A](https://openairdocs.org/incident/20190724016109A), Jul 24, 2019: Hughes 269A (N269RR), Springfield, TN, Substantial damage. Helicopter was current for maintenance considerations, annual, 100 hour, completed on day of accident. Owner was giving free rides to family and friends. One…
- [Accident 20190514023599A](https://openairdocs.org/incident/20190514023599A), May 14, 2019: Hughes 269B (N9422F), Hampton, GA, Substantial damage. While taxiing, pilot noticed vibration, tried to land on taxiway, when he touched down, aircraft entered ground resonance. Pilot tried to lift off, but could…
- [Accident 20181007019559A](https://openairdocs.org/incident/20181007019559A), Oct 7, 2018: Enstrom F-28C (N5691Y), Bridgeville, DE, Substantial damage. Narrative: Facts or sequence of events that are relevant to the accident. From a position on the ground, the pilot increased throttle while increasing…
- [Incident 20180719011669I](https://openairdocs.org/incident/20180719011669I), Jul 19, 2018: Farmer J C/Farmer E COZY MK-IV (N93CF), Butler, PA, Minor damage. On final approach for landing at Butler county airport, the pilot was operating the aircraft at 65 knots airspeed and 900 engine RPM. The pilot looked up and…
- [Accident 20180613007719A](https://openairdocs.org/incident/20180613007719A), Jun 13, 2018: Schweizer 269C (N557DC), North Las Vegas, NV, Substantial damage. On June 13, 2018 at approximately 1146 PST, at North Las Vegas airport (kvgt), a 1993 Schweizer 269C sustained substantial damage due to ground resonance. The…
- [Accident 20180314023949A](https://openairdocs.org/incident/20180314023949A), Mar 14, 2018: Hughes 269C (N11047), San Antonio, TX, Substantial damage. During hover taxi pilot allowed ex-army pilot to have the controls. The aircraft immediately dove into the ground.
- [Accident 20180310001899A](https://openairdocs.org/incident/20180310001899A), Mar 10, 2018: Hughes 269A (N9020M), Jacksonville, FL, Destroyed. Pilot stated he did not have any mechanical difficulty with aircraft and while performing a practice auto rotation into a vacant field, mismanaged the landing…
- [Incident 20161228024619I](https://openairdocs.org/incident/20161228024619I), Dec 28, 2016: Enstrom F-28F (N52PD), No damage. Aircraft was conducting cross- country flight instruction. After take-off the CFI noted there was a smell of smoke. It was not clear where the smell was coming…
- [Accident 20160922015859A](https://openairdocs.org/incident/20160922015859A), Sep 22, 2016: Hughes 269B (N269BS), Ozark, AL, Substantial damage. This was an instructional flight conducted under 4 CFR part 141. Instructor initiated a simulated engine failure and had the student perform the autorotation.…
- [Accident 20160809012999A](https://openairdocs.org/incident/20160809012999A), Aug 9, 2016: Hughes 269C (N9277R), Howe, TX, Destroyed, 1 fatal. The 14 CFR part 91 instructional flight originated from the aircraft [privacy data omitted] student?s residence in rural Howe, Texas. The instructor reduced…
- [Accident 20160803012779A](https://openairdocs.org/incident/20160803012779A), Aug 3, 2016: Schweizer 269C-1 (N1549W), Jeanerette, LA, Substantial damage, 1 fatal. Gulf coast helicopters, inc. is based out of pearland, TX. Aircraft N1549W was temporarily located at Louisiana regional airport in Gonzales (L38). PIC casey…
- [Accident 20160729012449A](https://openairdocs.org/incident/20160729012449A), Jul 29, 2016: Hughes 269A (N269JB), Morris, MN, Substantial damage. Pilot was doing agriculture spraying and was on his fourth load. While enroute to the field, pilot referenced his navigation system. While his attention was…
- [Accident 20160716021059A](https://openairdocs.org/incident/20160716021059A), Jul 16, 2016: Schweizer 269C-1 (N6148D), Calhoun, GA, Destroyed. On the day of the accident, 07/16/2016 , [privacy data omitted] and [privacy data omitted] went to look at [privacy data omitted] helicopter , 1998 Schweizer…
- [Incident 20160709010919I](https://openairdocs.org/incident/20160709010919I), Jul 9, 2016: Schweizer 269C-1 (N1624B), Polson, MT, Minor damage. Aircraft hovering to dry cherries. Contacted a wire with rotor system. Set the aircraft down immediately due to severe vibrations.
- [Accident 20160701011079A](https://openairdocs.org/incident/20160701011079A), Jul 1, 2016: Hughes 269C (N9658F), Cullman, AL, Substantial damage. While in the flare at the completion of a practice autorotation the tail rotor contacted the ground. This produced a rapid rotation of the helicopter. The…
- [Accident 20151221020709A](https://openairdocs.org/incident/20151221020709A), Dec 21, 2015: Schweizer 269C (N292B), Warrenton, MO, Destroyed. Pilot of N292B departed helisat flight training pad at approximately 21:15 CST on 12-21-15 for a night cross-country flight to a privately owned helipad close…
- [Incident 20151003019329I](https://openairdocs.org/incident/20151003019329I), Oct 3, 2015: Schweizer 269C (N557DC), Las Vegas, NV, Minor damage. Helicopter conducted an aerial photo flight of another helicopter that was in flight. The pilot stated she had difficulty maintaining altitude and conducted a…
- [Accident 20150925017279A](https://openairdocs.org/incident/20150925017279A), Sep 25, 2015: Hughes 269B (N9567F), Eustis, FL, Destroyed. On a personal flight to visit friends pilot allowed the aircraft to slow down below efective transational lift at altitude while on approach to a field .…
- [Accident 20150918016019A](https://openairdocs.org/incident/20150918016019A), Sep 18, 2015: Schweizer 269C (N290R), Forest Grove, OR, Substantial damage. Helicopter, N290R, departed a 137 base in Forest Grove, Oregon at approximately 08:04 local time to ferry the helicopter to a field about 1 mile to the north.…
- [Accident 20150818012719A](https://openairdocs.org/incident/20150818012719A), Aug 18, 2015: Schweizer 269C (N17YS), North Las Vegas, NV, Substantial damage. On 8/18/2015, flight instructor and his student were practicing an autorotation at 4700 ft. when the engine quit and wouldn't restart. Helicopter continued…
- [Accident 20150805013449A](https://openairdocs.org/incident/20150805013449A), Aug 5, 2015: Hughes 269B (N9427F), Atkinson, IL, Destroyed. Helicopter N9427F struck a power line 30 feet above the ground and impacted the ground. Helicopter was destroyed in post crash fire. The pilot was severely…
- [Accident 20150721013249A](https://openairdocs.org/incident/20150721013249A), Jul 21, 2015: Hughes 269C (N58397), Atlanta, TX, Substantial damage. The pilot and his mechanic departed ata and landed in an open area inside Atlanta, TX city limits. Upon landing the tail struck the ground. The tail rotor…
- [Accident 20150701009499A](https://openairdocs.org/incident/20150701009499A), Jul 1, 2015: Schweizer 269C (N2096W), Newberg, OR, Destroyed, 2 fatal. While conducting night traffic pattern student training, helicopter experience an anomally on downwind leg turning to left base. Helicopter rapidily descended…
- [Accident 20150614009209A](https://openairdocs.org/incident/20150614009209A), Jun 14, 2015: Enstrom F-28C (N51778), Romeoville, IL, Substantial damage. Instructor with an airplane rated student returned from a local flight. Hovering was being taught. Student was performing pedal turns. At some point, the…
- [Accident 20150505006029A](https://openairdocs.org/incident/20150505006029A), May 5, 2015: Hughes TH-55 (N7089S), Morganton, NC, Substantial damage. The CFI, [privacy data omitted], was performing a full down autorotation to get the feel of the aircraft prior to the student performing one of her own. The…
- [Incident 20150502011939I](https://openairdocs.org/incident/20150502011939I), May 2, 2015: Schweizer 269C (N890MW), Phoeix, AZ, No damage. Helicopter experienced rough running engine while transition phx sky harbor airspace enroute to a photo shoot. Pilot decided to execute a precautionary landing…

All 503: https://openairdocs.org/engine/lycoming-hio-360-series/incidents.md

## Service difficulty reports (26)

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

- [SDR 2011FA0000027](https://openairdocs.org/sdr/2011FA0000027), Jan 14, 2011: THRUST BEARING. MISMANUFACTURED. (OG5S) DURING 800 HR, 12 AND 24 MONTH INSP, THE MAIN ROTOR DRIVE SHAFT WAS FOUND TO BE WORN JUST ABOVE THE MAIN ROTOR THRUST BEARING. UPON FUTHER INSP, THE WEAR
- [SDR 2010FA0000443](https://openairdocs.org/sdr/2010FA0000443), Apr 30, 2010: STRUT. BROKEN. (OG5S) DURING UNSCHEDULED MX THE LOWER DRIVE SUPPORT STRUT WAS FOUND TO BE CRACKED 90 PERCENT THROUGH THE TUBE WHERE THE UPPER ATTACH LUG IS WELDED. UPON REMOVA
- [SDR 2009FA0000284](https://openairdocs.org/sdr/2009FA0000284), Mar 31, 2009: MOUNT. CRACKED. TROUBLESHOOTING A TRACKING DISCREPANCY, IT WAS FOUND THAT THE RT FWD MOUNT LOCATION OF THE PYLON HAD CRACKED AS WELL AS THE GUSSET. THE CRACK WAS NOT VISIBLE TH
- [SDR 2008FA0000654](https://openairdocs.org/sdr/2008FA0000654), Jul 23, 2008: CYLINDER HEAD. DAMAGED. DURING CYLINDER OVERHAUL A DAMAGE SEAT POCKET CUTTER USE USED. THIS RESULTED IN A VALVE SEAT POCKET THAT MEASURED WITHIN LIMITS BUT LACKED THE PROPER SURFACE CO
- [SDR CA070909001](https://openairdocs.org/sdr/CA070909001), Sep 8, 2007: BRACKET. BROKEN. (CAN) ALTERNATOR BRACKET FOUND WITH BROKEN ATTACHMENT LUG. ALTERNATOR BELT TENSION LOSS AND SUBSEQUENT SYSTEM UNSERVICEABILITY. CAUSE OF FAILURE UNDER INVESTIGA
- [SDR CA070705012](https://openairdocs.org/sdr/CA070705012), Jul 5, 2007: ALTERNATOR. FAILED. (CAN) ALTERNATOR FAILED ON STARTUP. FOUND ROTOR JAMMING AND PULLEY HAD OVERHEATED. LOOSE PARTS HEARD INSIDE ALTERNATOR. NO PREVIOUS INDICATIONS OF IMPENDING FAI
- [SDR 2007FA0000510](https://openairdocs.org/sdr/2007FA0000510), Jun 18, 2007: LOCK NUT. BACKED OUT. DURING GROUND RUNUP, PILOT NOTICED TAIL ROTOR NOT SPINNING. AIRCRAFT SHUTDOWN AND RETURNED TO HANGER. UPON DISASSEMBLY IT WAS NOTED THAT THE NUT PN 269A6029 THA
- [SDR CA070614001](https://openairdocs.org/sdr/CA070614001), Jun 8, 2007: DRIVE BELT. SPLIT. (CAN) DRIVE BELT AXIAL SPLIT OVER 50 PERCENT OF BELT CIRCUMFERENCE; SPLIT OCCURS UNDER OUTER LAYER OF BELT. DEFECT HAS BEEN FOUND ON (2) OTHER AIRCRAFT OF THE S
- [SDR 2006FA0001041](https://openairdocs.org/sdr/2006FA0001041), Oct 6, 2006: DRIVE BELT. STRETCHED. NEW DRIVE BELTS WERE INSTALLED, STRETCHED FOR 24 HOURS, AND RE-ADJUSTED IAW MM. THE AIRCRAFT WAS RETURNED TO SERVICE AND .5 HOUR INTO THE FIRST FLIGHT THE PILOT
- [SDR 2005FA0001286](https://openairdocs.org/sdr/2005FA0001286), Aug 30, 2005: HINGE. BROKEN. THE DOOR PIN PORTION OF THE HINGE, WHICH IS RESPONSIBLE RETAINING THE DOOR, BROKE IN FLIGHT AND THE DOOR WAS UNSECURED AT THE LOWER CONNECTING POINT. THE FLIGHT
- [SDR HA42005F00000](https://openairdocs.org/sdr/HA42005F00000), Aug 28, 2005: HINGE. BROKEN. THE DOOR PIN PORTION OF THE HINGE, WHICH IS RESPONSIBLE RETAINING THE DOOR, BROKE. THIS LEAVES THE DOOR CONNECTED AT ONLY 1 POINT AND AN IN-FLIGHT FAILURE COULD
- [SDR 2005FA0001285](https://openairdocs.org/sdr/2005FA0001285), Aug 27, 2005: HINGE. FAILED. THE DOOR PIN PORTION OF THE HINGE, WHICH IS RESPONSIBLE RETAINING THE DOOR, FAILED. THIS LEAVES THE DOOR CONNECTED AT ONLY ONE POINT AND AN IN-FLIGHT FAILURE CO
- [SDR 2005FA0000247](https://openairdocs.org/sdr/2005FA0000247), Feb 8, 2005: TRIM SYSTEM. FAILED. DURING DESCENT TO LANDING THE CYCLIC STICK JAMMED SO AS TO NOT ALLOW ANY LATERAL MOVEMENT TO THE RT BEYOND NEUTRAL POSITION. THIS WAS CAUSED BY THE SPRING TUBE 
- [SDR 2005FA0000418](https://openairdocs.org/sdr/2005FA0000418), Jan 7, 2005: SHAFT. WORN. DURING ANNUAL INSPECTION GREASE IN LOWER PULLEY SHAFT HAD A RUSTY (BROWN) COLOR (NOTE: ANDEROL GREASE IS BLACK). UPON INSPECTION PART HAS 414.2 HOURS SINCE NEW,
- [SDR 2005FA0000419](https://openairdocs.org/sdr/2005FA0000419), Jan 7, 2005: DRIVE SHAFT. CORRODED. DURING 600 HOUR INSPECTION GREASE IN DRIVE SHAFT HAD A RUSTY (BROWN) COLOR (NOTE: ANDEROL GREASE IS BLACK). UPON INSPECTION PART HAS 600.0 HOURS SINCE NEW. LIFE
- [SDR 2005FA0000420](https://openairdocs.org/sdr/2005FA0000420), Jan 7, 2005: SHAFT. WORN. DURING 600 HOUR INSPECTION GREASE IN LOWER PULLEY SHAFT HAD A RUSTY (BROWN) COLOR (NOTE: ANDEROL GREASE IS BLACK). UPON INSPECTION PART HAS 600.0 HOURS SINCE NE
- [SDR PNR2004F00001](https://openairdocs.org/sdr/PNR2004F00001), May 19, 2004: BEARING. DELAMINATED. PILOTS COMPLAINED ABOUT HEAVY COLLECTIVE AND EXCESSIVE AMOUNT OF RT COLLECTIVE INPUT TO FLY. UPON INSPECTION OF THE LAMIFLEX BEARINGS, IT WAS DISCOVERED THAT TH
- [SDR PNR2004F00002](https://openairdocs.org/sdr/PNR2004F00002), May 19, 2004: DOUBLER. CRACKED. BULKHEAD DOUBLER UNDER NR 3 TAILROTOR DRIVESHAFT PILLOW BLOCK FOUND CRACKED. CRACKS WERE PROPAGATING FROM THE RADIUS AREA ON BOTH UPPER TABS WERE THE NUT PLATES
- [SDR 2003FA0001064](https://openairdocs.org/sdr/2003FA0001064), Oct 2, 2003: CLUTCH. WORN. ON DRIVE BELT CLUTCH MECHANISM, THE SPRING HAD WORN THROUGH THE SIDE OF THE HOUSING FROM MANY HOURS OF RUBBING BACK AND FORTH. THE ABOVE MENTIONED SPRING AND TH
- [SDR 2003FA0001065](https://openairdocs.org/sdr/2003FA0001065), Oct 2, 2003: CONTROL CABLE. WORN. BOTH REAR TAIL ROTOR CONTROLS CABLES WERE WORN WHERE THEY PASS THROUGH PLASTIC FAIR-LEADS IN AFT BULKHEAD OF TAIL BOOM. BOTH WERE WORN TO 40-50 PERCENT INSP CRI
- [SDR 6462003F00000](https://openairdocs.org/sdr/6462003F00000), Jun 1, 2003: CONTROL CABLE. WORN. BOTH LEFT AND RIGHT TAIL ROTOR CONTROL CABLES SHOW EXCESS WEAR, WHERE THEY PASS THRU THE FAIRLEADS IN THE AFT TALL CONE BULKHEAD. CABLES HAVE BEEN WEARING IN TH
- [SDR COW2003F00001](https://openairdocs.org/sdr/COW2003F00001), May 29, 2003: SERVO. INOPERATIVE. ON INITIAL TEST FLIGHT, AFTER INSTALLING ENGINE RECEIVED FROM OVERHAULER, ENGINE HAD UNUSUALLY HIGH CYLINDER HEAD TEMPERATURES AND RAN ROUGH. REMOVED AND REPLAC
- [SDR COW2003F00000](https://openairdocs.org/sdr/COW2003F00000), May 2, 2003: SUPPORT. FAILED. ON 5/2/03, WHILE ON FINAL APPROACH TO AIRPORT, PILOT HEARD A LOAD EXPLOSION, FOLLOWED BY A LOSS OF ENGINE TACH. PILOT INITIATED AUTOROTATION TO OPEN FIELD ON AI
- [SDR OG52003F00000](https://openairdocs.org/sdr/OG52003F00000), Jan 6, 2003: FITTING. INCORRECT. AFTER ENGAGEMENT OF ROTOR SYSTEM, TAIL ROTOR DID NOT MOVE. INVESTIGATION FOUND BALL MISSING OUT OF ZERT, ALLOWING GREASE TO ESCAPE ALLOWING BUMPER TO WEAR ALLOW
- [SDR 2003FA0000973](https://openairdocs.org/sdr/2003FA0000973), Jan 6, 2003: BALL. MISSING. AFTER ENGAGEMENT OF ROTOR SYSTEM, TAIL ROTOR DID NOT MOVE. INVESTIGATION FOUND BALL MISSING OUT OF ZERC, ALLOWING GREASE TO ESCAPE ALLOWING BUMPER TO WEAR ALLOW
- [SDR PN12002F00001](https://openairdocs.org/sdr/PN12002F00001), Feb 7, 2002: PULLEY. LOOSE. DURING ROUTINE INSPECTION FOUND AFT LOWER PULLEY DRIVE BEARING WAS LOOSE ON THE SHAFT. SENT TO SAC FOR ELEVATOR. PRODUCT SUPPORT REPORTED THE AFT BEARING I.D. W

## STCs that may be installed (OpenAirDocs) (32)

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

- [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC. Lists HIO-360-B1A
- [STC SE00825WI](https://openairdocs.org/stc/SE00825WI): Installation of Specialty Products Spin-on oil filter on Lycoming Engines. B & C Specialty Products Inc. Lists HIO-360-A1A
- [STC SE04349CH](https://openairdocs.org/stc/SE04349CH): Installation of SureFly electronic ignition. SureFly Partners Ltd. Lists HIO-360-A1A
- [STC SE01954SE](https://openairdocs.org/stc/SE01954SE): Installation of engine crankcase seal. Ly-Con Rebuilding Company. Lists HIO-360-A1A
- [STC SE02352CH](https://openairdocs.org/stc/SE02352CH): Installation of Challenger cleanable oil filter assembly. Challenger Aviation Products Inc. Lists HIO-360-A1A
- [STC SE00939WI](https://openairdocs.org/stc/SE00939WI): Installation of B&C Specialty Products Model BC 315-( ) Starter on Lycoming engines. B & C Specialty Products Inc. Lists HIO-360-A1A
- [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. Lists HIO-360-A1A
- [STC SE03232CH](https://openairdocs.org/stc/SE03232CH): Installation of Engine Preheat Kit p/n TA2925-1 for 115 volt application. Hartzell Propeller Inc. Lists HIO-360-A1A
- [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc. Lists HIO-360-A1A
- [STC SE8628SW](https://openairdocs.org/stc/SE8628SW): Installation of oil nozzles for lubrication of cam and filters. Cygnet Aerospace Corp. Lists HIO-360-A1A
- [STC SE09445SC](https://openairdocs.org/stc/SE09445SC): Installation of fuel injector nozzles. General Aviation Modifications Inc
- [STC SE1339SW](https://openairdocs.org/stc/SE1339SW): Modify pistons to Drawings 11007 and 11015; piston rings. Continental Motors, Inc. Lists HIO-360-A1A
- [STC SE4408SW](https://openairdocs.org/stc/SE4408SW): Miscellaneous engine cylinder replacement parts. Continental Motors, Inc
- [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc
- [STC SE7582SW](https://openairdocs.org/stc/SE7582SW): Grinding of high compression NITRIDED Cylinders to .010 oversize, as an alternative to chrome plating or rebarreling, and the installation of SL10207 P10 Piston, SL74241 P10 Top and second compression ring, and SL 73857 P10 oil control ring. Superior Air Parts, Inc. Lists HIO-360-A1A
- [STC SE02409AK](https://openairdocs.org/stc/SE02409AK): Installation of the Superior Air Parts Cold Air Induction System (CAIS). Wattum Aircraft Services. Lists HIO-360-A1A
- [STC SE8193SW](https://openairdocs.org/stc/SE8193SW): Grind nitriden high compression cylinder barrles to plus .010 oversize and install SL75089 P10 piston, SL74242 P10 compression ring, and SL73857 P10 oil ring. Superior Air Parts Inc. Lists HIO-360-B1A
- [STC SE01930NY](https://openairdocs.org/stc/SE01930NY): Installation of Casper Labs 90 degree oil filter housing adapter. Casper Labs Inc. Lists HIO-360-A1A
- [STC SE5743NM](https://openairdocs.org/stc/SE5743NM): Intallation of adapter for externally mounted oil filter. Aviation Development Corporation. Lists HIO-360-A1A
- [STC SE00889LA](https://openairdocs.org/stc/SE00889LA): Installation of Nickson's cylinder barrels on Lycoming reciprocating engine models. Nickson's Machine Shop Inc. Lists HIO-360-A1A
- [STC SE09492SC](https://openairdocs.org/stc/SE09492SC): Installation and usage of Exxon 20W50 multigrade aircraft engine oil conforming to Exxon Oil formulation WS-3013. Exxon Company USA
- [STC SE00350SE](https://openairdocs.org/stc/SE00350SE): Installation of sump mounted chip detector. Aviation Development Corporation. Lists HIO-360-A1A
- [STC SE8023SW](https://openairdocs.org/stc/SE8023SW): Installation and usage of AEROSHELL. Shell Development Co
- [STC SE2389SE](https://openairdocs.org/stc/SE2389SE): Installation of B & C Specialty Products. Bainbridge William C III
- [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp
- [STC SE5879SW](https://openairdocs.org/stc/SE5879SW): Use of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP. Phillips Petroleum Co
- [STC SE244NE](https://openairdocs.org/stc/SE244NE): Installation of Mattituck plasma flame sprayed cylinder barrels in Teledyne reciprocating engines. Mattituck Airbase, Inc
- [STC SE80NE](https://openairdocs.org/stc/SE80NE): Installation and usage of Bel-Ray synthetic aviation oil, Bel-Ray Aero 1, (nonsupercharged), horizontally opposed direct drive, aircraft engines of 350 hp. or less. Bel-Ray Company, Inc
- [STC SE1445SO](https://openairdocs.org/stc/SE1445SO): Use of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines. ProTec
- [STC SE128NE](https://openairdocs.org/stc/SE128NE): Use of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines. AMS/OIL
- [STC SE484GL](https://openairdocs.org/stc/SE484GL): Installation of Rajay Model325E10-2, P/N RJ0332, or Model3BT5EE10J2, P/N 103574-00 turbocharger. Enstrom Helicopter Corporation. Lists HIO-360-F1AD
- [STC SE100GL](https://openairdocs.org/stc/SE100GL): Installation of Rajay 301E10-2, P/N RJ0328, or 3BT5EE10J2, P/N10357400, turbocharger. Enstrom Helicopter Corporation. Lists HIO-360-E1AD

## 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.

- [72-231114-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157761992320260722204351.0001): TAG-Engine. Swift Fuels, LLC · PMA PQ04423CE · Modification part · Jul 17, 2026
- [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
- [ES-349305-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID160316331220251216184351.0001): S-1200 Series Magneto, 4-Cyl. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces LW-349305-1, LW-349305-1D, 75896… · 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
- [ES10-5752](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID115793636520251216184401.0001): Cable, Clip. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-5752 · 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
- [ES-349285-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID113671819120251216184348.0001): S-1200 Series Magneto, 4-Cyl. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces LW-349285-1, LW-349285-1D, 75453… · 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
- [CFRS16803-137](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135831136720251002184910.0001): Liner. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces RS16803-137 · Sep 2, 2025
- [AE45BS](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID187750711420250908153020.0001): Brush Rack Assembly. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number ALU1045BS · Aug 27, 2025
- [AE943](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185624017520250908153027.0001): Rotor Shaft. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number ALU-228 · Aug 27, 2025
- [AE1003](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID179565848920250908153019.0001): Drive End Housing. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number A2E1003K · Aug 27, 2025
- [AE45BS-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID173583138520250908153031.0001): Brush Rack Assembly. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number ALU-1045BS · Aug 27, 2025
- [AE2241](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID127316494620250908153022.0001): Fan Assembly. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number 90-2241 · Aug 27, 2025
- [AE1132](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103582853720250908153023.0001): Slip Ring End Housing. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Numbers ALK-1132AS… · Aug 27, 2025
- [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
- [FFT-PLG-003](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID153641703420240801144309.0001): Cam End Plug. Centri-Lube Technologies LLC · PMA PQ2043NM · Modification part · Jul 16, 2024
- [FFT-PLG-004](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100635533220240801144311.0001): Cam End Plug. Centri-Lube Technologies LLC · PMA PQ2043NM · Modification part · Jul 16, 2024
- [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
- [CFSTD-160](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170676910820240715164045.0001): Washer,  1/4 Lock, Internal Teeth. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces STD-160 · Jun 24, 2024
- [CFLW-25-0.50](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156998595520240715164044.0001): Bolt,      1/4-20 X 0.50 HEX HD. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces LW-25-0.50 · Jun 24, 2024
- [CF75009](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147128829420240715164042.0001): Bracket, Fuel Manifold. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces 75009 · Jun 24, 2024
- [CF77547](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID144421131320240715164042.0001): Bracket, Fuel Manifold. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces 77547 · Jun 24, 2024
- [CF07A23031](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136616521920240715164043.0001): Bracket, Fuel Manifold. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces 07A23031 · Jun 24, 2024
- [CF07A23032](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132855100420240715164043.0001): Bracket, Fuel Manifold. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces 07A23032 · Jun 24, 2024
- [CFSTD-251](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID129676558220240715164045.0001): Washer, #10 Lock, Internal Teeth. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces STD-251 · Jun 24, 2024
- [CFSTD-82](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID123933662120240715164045.0001): Screw,   #10-24 X 1/2, RD HD. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces STD-82 · Jun 24, 2024
- [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

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

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