# Lycoming HIO-360-F1AD

- Type: Engine model (FAA registry)
- Registry code: 41896
- Manufacturer (registry): LYCOMING
- Model: HIO-360-F1AD
- Engine type: Reciprocating
- Power: 190 hp
- Data sheet: [TCDS 1E10](https://openairdocs.org/tcds/1E10) (OpenAirDocs)
- Holder: Lycoming Engines
- Installed in: 34 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-hio-360-f1ad

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 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 2009-02-03](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 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 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

Historical (superseded or no longer in force):

- [AD 2024-21-02](https://openairdocs.org/ad/2024-21-02) (historical): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 548 more. Effective Dec 5, 2024
- [AD 2011-26-04](https://openairdocs.org/ad/2011-26-04) (historical): Externally mounted fuel injector fuel lines · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 186 more. Effective Jan 25, 2012
- [AD 2011-15-10](https://openairdocs.org/ad/2011-15-10) (historical): Fuel servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 256 more. Effective Aug 16, 2011
- [AD 2008-14-07](https://openairdocs.org/ad/2008-14-07) (historical): Externally mounted fuel injector fuel lines · Textron Lycoming, AVCO AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 185 more. Effective Aug 14, 2008
- [AD 2008-08-14](https://openairdocs.org/ad/2008-08-14) (historical): Fuel injection servo plugs · Superior Air Parts AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 242 more. Effective Apr 29, 2008
- [AD 2008-06-51](https://openairdocs.org/ad/2008-06-51) (historical): Fuel injection servo plugs · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 235 more
- [AD 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) (6)

- [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

## Registered aircraft (34)

- [N136HA](https://openairdocs.org/aircraft/N136HA): [Enstrom Helicopter Corp](https://openairdocs.org/faa-owner/ENSTROM%20HELICOPTER%20CORP), [Menominee, MI](https://openairdocs.org/faa-place/MI/Menominee), built 2015, S/N 2143
- [N1477Q](https://openairdocs.org/aircraft/N1477Q): [Dd & Cd LLC](https://openairdocs.org/faa-owner/DD%20%26%20CD%20LLC), [Harrison, AR](https://openairdocs.org/faa-place/AR/Harrison), built 2013, S/N 2138
- [N1479Y](https://openairdocs.org/aircraft/N1479Y): [Monadnock Choppers LLC](https://openairdocs.org/faa-owner/MONADNOCK%20CHOPPERS%20LLC), [North Swanzey, NH](https://openairdocs.org/faa-place/NH/North%20Swanzey), built 2013, S/N 2139
- [N151BY](https://openairdocs.org/aircraft/N151BY): [Corporate Leasing Services LLC](https://openairdocs.org/faa-owner/CORPORATE%20LEASING%20SERVICES%20LLC), [Phoenix, AZ](https://openairdocs.org/faa-place/AZ/Phoenix), built 1989, S/N 2031
- [N17BZ](https://openairdocs.org/aircraft/N17BZ): [Cotton Ag Inc](https://openairdocs.org/faa-owner/COTTON%20AG%20INC), [Walters, OK](https://openairdocs.org/faa-place/OK/Walters), built 1981, S/N 702
- [N228F](https://openairdocs.org/aircraft/N228F): [Enstrom Helicopter Corp](https://openairdocs.org/faa-owner/ENSTROM%20HELICOPTER%20CORP), [Menominee, MI](https://openairdocs.org/faa-place/MI/Menominee), built 2007, S/N 819
- [N269PE](https://openairdocs.org/aircraft/N269PE): [Enstrom Helicopter Corp](https://openairdocs.org/faa-owner/ENSTROM%20HELICOPTER%20CORP), [Menominee, MI](https://openairdocs.org/faa-place/MI/Menominee), built 2024, S/N 2176
- [N280BR](https://openairdocs.org/aircraft/N280BR): [Denver, CO](https://openairdocs.org/faa-place/CO/Denver), built 2006, S/N 2124, Registration pending
- [N280EH](https://openairdocs.org/aircraft/N280EH): [Enstrom Helicopter Corp](https://openairdocs.org/faa-owner/ENSTROM%20HELICOPTER%20CORP), [Menominee, MI](https://openairdocs.org/faa-place/MI/Menominee), built 2026, S/N 2179
- [N285TR](https://openairdocs.org/aircraft/N285TR): [Rhoads Timothy C](https://openairdocs.org/faa-owner/RHOADS%20TIMOTHY%20C), [Logan, NM](https://openairdocs.org/faa-place/NM/Logan), S/N 2120
- [N286RT](https://openairdocs.org/aircraft/N286RT): [N286rt LLC](https://openairdocs.org/faa-owner/N286RT%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2006, S/N 2125
- [N286SH](https://openairdocs.org/aircraft/N286SH): [Chambers Barbara A](https://openairdocs.org/faa-owner/CHAMBERS%20BARBARA%20A), [Olympia, WA](https://openairdocs.org/faa-place/WA/Olympia), built 2006, S/N 2119
- [N288SH](https://openairdocs.org/aircraft/N288SH): [J&J Shop Heliair LLC](https://openairdocs.org/faa-owner/J%26J%20SHOP%20HELIAIR%20LLC), [Laurel, DE](https://openairdocs.org/faa-place/DE/Laurel), built 2016, S/N 831
- [N289SH](https://openairdocs.org/aircraft/N289SH): [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 2011, S/N 2134, Registration pending
- [N28N](https://openairdocs.org/aircraft/N28N): [Enstrom Helicopter Corp](https://openairdocs.org/faa-owner/ENSTROM%20HELICOPTER%20CORP), [Menominee, MI](https://openairdocs.org/faa-place/MI/Menominee), built 2017, S/N 2147
- [N28SH](https://openairdocs.org/aircraft/N28SH): [Renaud Michael](https://openairdocs.org/faa-owner/RENAUD%20MICHAEL), [Vernon, VT](https://openairdocs.org/faa-place/VT/Vernon), built 2012, S/N 830
- [N307RT](https://openairdocs.org/aircraft/N307RT): [Northwest Aircraft LLC](https://openairdocs.org/faa-owner/NORTHWEST%20AIRCRAFT%20LLC), [Anaconda, MT](https://openairdocs.org/faa-place/MT/Anaconda), built 1990, S/N 768
- [N35DH](https://openairdocs.org/aircraft/N35DH): [Zebcon Inc](https://openairdocs.org/faa-owner/ZEBCON%20INC), [Russellville, AR](https://openairdocs.org/faa-place/AR/Russellville), built 2016, S/N 2146
- [N3842D](https://openairdocs.org/aircraft/N3842D): [Beacon Aviation Flight Services LLC](https://openairdocs.org/faa-owner/BEACON%20AVIATION%20FLIGHT%20SERVICES%20LLC), [Rogers, AR](https://openairdocs.org/faa-place/AR/Rogers), S/N 2128
- [N409HT](https://openairdocs.org/aircraft/N409HT): [Helidon Inc](https://openairdocs.org/faa-owner/HELIDON%20INC), [Willmington, DE](https://openairdocs.org/faa-place/DE/Willmington), S/N 2142
- [N43LA](https://openairdocs.org/aircraft/N43LA): [Burkholder Leon Ray](https://openairdocs.org/faa-owner/BURKHOLDER%20LEON%20RAY), [Ephrata, PA](https://openairdocs.org/faa-place/PA/Ephrata), built 2006, S/N 2126
- [N454P](https://openairdocs.org/aircraft/N454P): [Cannon Travis H II](https://openairdocs.org/faa-owner/CANNON%20TRAVIS%20H%20II), [Corinth, TX](https://openairdocs.org/faa-place/TX/Corinth), built 2013, S/N 2136
- [N652MT](https://openairdocs.org/aircraft/N652MT): [Thomas Michael W](https://openairdocs.org/faa-owner/THOMAS%20MICHAEL%20W), [Prescott, WA](https://openairdocs.org/faa-place/WA/Prescott), built 1989, S/N 2043
- [N663DS](https://openairdocs.org/aircraft/N663DS): [Butler Raymond](https://openairdocs.org/faa-owner/BUTLER%20RAYMOND), [Port Lavaca, TX](https://openairdocs.org/faa-place/TX/Port%20Lavaca), built 1991, S/N 2065
- [N704D](https://openairdocs.org/aircraft/N704D): [Francis Greg](https://openairdocs.org/faa-owner/FRANCIS%20GREG), [Texarkana, TX](https://openairdocs.org/faa-place/TX/Texarkana), built 1988, S/N 2025
- [N713CH](https://openairdocs.org/aircraft/N713CH): [Hopkins David Martin](https://openairdocs.org/faa-owner/HOPKINS%20DAVID%20MARTIN), [Bell Buckle, TN](https://openairdocs.org/faa-place/TN/Bell%20Buckle), S/N 2037
- [N761DA](https://openairdocs.org/aircraft/N761DA): [King Air 76 LLC](https://openairdocs.org/faa-owner/KING%20AIR%2076%20LLC), [Lewes, DE](https://openairdocs.org/faa-place/DE/Lewes), built 1990, S/N 2059
- [N776HC](https://openairdocs.org/aircraft/N776HC): [Cyclic Aviation LLC](https://openairdocs.org/faa-owner/CYCLIC%20AVIATION%20LLC), [Millbrook, NY](https://openairdocs.org/faa-place/NY/Millbrook), built 2007, S/N 2127
- [N8900X](https://openairdocs.org/aircraft/N8900X): [Rotorcraft LLC](https://openairdocs.org/faa-owner/ROTORCRAFT%20LLC), [Lake Havasu City, AZ](https://openairdocs.org/faa-place/AZ/Lake%20Havasu%20City), built 2012, S/N 2135
- [N898SY](https://openairdocs.org/aircraft/N898SY): [Gordon Brett](https://openairdocs.org/faa-owner/GORDON%20BRETT), [Ewa Beach, HI](https://openairdocs.org/faa-place/HI/Ewa%20Beach), built 1988, S/N 2020
- [N942MA](https://openairdocs.org/aircraft/N942MA): [Corderman Michael](https://openairdocs.org/faa-owner/CORDERMAN%20MICHAEL), [Armstrong, IA](https://openairdocs.org/faa-place/IA/Armstrong), built 1988, S/N 754
- [N962SM](https://openairdocs.org/aircraft/N962SM): [Wheels Flying Service LLC](https://openairdocs.org/faa-owner/WHEELS%20FLYING%20SERVICE%20LLC), [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell), built 2007, S/N 2132
- [N965C](https://openairdocs.org/aircraft/N965C): [Cannon Travis H II](https://openairdocs.org/faa-owner/CANNON%20TRAVIS%20H%20II), [Corinth, TX](https://openairdocs.org/faa-place/TX/Corinth), built 2013, S/N 2137
- [N98FW](https://openairdocs.org/aircraft/N98FW): [Hysell Donovan W](https://openairdocs.org/faa-owner/HYSELL%20DONOVAN%20W), [Atwater, OH](https://openairdocs.org/faa-place/OH/Atwater), built 1998, S/N 811

## NTSB investigations (8)

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

- [NTSB CEN26LA154](https://openairdocs.org/ntsb/CEN26LA154), Mar 29, 2026: Enstrom F-28F (N942MA), Oelwein, IA, substantial damage. Probable cause: The pilot's failure to maintain directional control during the hover taxi with a quartering tailwind.
- [NTSB ERA24LA327](https://openairdocs.org/ntsb/ERA24LA327), Jul 27, 2024: Enstrom 280FX (N280D), Russellville, KY, substantial damage. Probable cause: The flight instructor’s failure to maintain sufficient rotor rpm while maneuvering the helicopter low to the ground, which resulted in a loss of control.
- [NTSB WPR20FA016](https://openairdocs.org/ntsb/WPR20FA016), Oct 25, 2019: Enstrom 280F (N280F), Jordan Valley, OR, substantial damage, 1 fatal. Probable cause: A partial loss of engine power due to a worn engine air induction hose, and a subsequent uncontrolled descent into terrain. Contributing to the accident was the failure of maintenance personnel to…
- [NTSB ERA19LA285](https://openairdocs.org/ntsb/ERA19LA285), Sep 28, 2019: Enstrom F28 (N380SH), Bloomsburg, PA, substantial damage. Probable cause: The pilot's failure to maintain proper forward airspeed and power during final approach, which resulted in a loss of tail rotor effectiveness and impact with terrain.
- [NTSB CEN14LA412](https://openairdocs.org/ntsb/CEN14LA412), Aug 7, 2014: Enstrom F 28F (N213BL), Tomah, WI, substantial damage. Probable cause: A loss of engine power due to the malfunction of the No. 4 cylinder intake valve.
- [NTSB CEN11CA638](https://openairdocs.org/ntsb/CEN11CA638), Aug 29, 2011: Enstrom F-28F (N228F), Menominee, MI, substantial damage. Probable cause: The pilot's failure to maintain control of the helicopter during a hover.
- [NTSB CEN10CA138](https://openairdocs.org/ntsb/CEN10CA138), Mar 4, 2010: Enstrom 280FX (N327TB), Goshen, IN, substantial damage. Probable cause: The inadequate preflight inspection by both pilots, resulting in a loss of engine power due to fuel exhaustion. Contributing to the accident was the disconnected fuel tank sending unit.
- [NTSB NYC98LA079](https://openairdocs.org/ntsb/NYC98LA079), Mar 20, 1998: Enstrom F280F (N66JV), New Alexandria, PA, substantial damage. Probable cause: A bird strike.

## FAA accident and incident reports (8)

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 20260329003769A](https://openairdocs.org/incident/20260329003769A), Mar 29, 2026: Enstrom F-28F (N942MA), Oelwein, IA, Substantial damage. Pilot had recently obtained his certification as a helicopter pilot with limited time in the airframe and experienced a tail wind gust that exceeded his…
- [Accident 20240727013599A](https://openairdocs.org/incident/20240727013599A), Jul 27, 2024: Enstrom 280FX (N280D), Russellville, KY, Substantial damage. On Saturday July 27th 2024 at 1850 zulu, an Enstrom 280FX, registered as [privacy data omitted] was conducting flight training under 14 CFR part 61 when it…
- [Accident 20191025022169A](https://openairdocs.org/incident/20191025022169A), Oct 25, 2019: Enstrom Helicopter Corp 280F (N280F), Jordan Valley, OR, Destroyed, 1 fatal. On 10/25/2019 at approximately 1400 local, helicopter N280F impacted the ground 24 miles south of adrian, Oregon. There were two souls onboard, one received…
- [Accident 20190928023759A](https://openairdocs.org/incident/20190928023759A), Sep 28, 2019: Enstrom Helicopter Corp F28F (N380SH), Bloomsburg, PA, Substantial damage. While performing air tour rides at the Bloomsburg pa fairgrounds, the helicopter begun to spin on approach to the helipad. The helicopter spun clockwise two…
- [Accident 20140807014129A](https://openairdocs.org/incident/20140807014129A), Aug 7, 2014: Enstrom F-28F (N213BL), Tomah, WI, Substantial damage. August 7, 2014 N213BL an Enstrom F28-F helicopter crash landed in a corn field at 20526 glider ave. in Tomah Wisconsin. The helicopter was conducting aerial…
- [Accident 20110829020209A](https://openairdocs.org/incident/20110829020209A), Aug 29, 2011: Enstrom F-28F (N228F), Menominee, MI, Substantial damage. According to the pilot, the purpose of the company test flight was to measure collective stick forces with the collective bias disabled. The pilot, who was the…
- [Accident 20100304029009A](https://openairdocs.org/incident/20100304029009A), Mar 4, 2010: Enstrom 280FX (N327TB), Goshen, IN, Substantial damage. During the first flight after the annual inspection to perform rotor tracking and balance the engine lost power due to fuel exhaustion. Executed an…
- [Accident 19980320007409A](https://openairdocs.org/incident/19980320007409A), Mar 20, 1998: Enstrm 280C (N66JV), Latrobe, PA, Substantial damage. Hovering low altitude to note settleing with power had commenced. Impacted ground. (.4)the helicopter started to descend from a stabilized 20-foot hover, and…

## Service difficulty reports (13)

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

- [SDR 17GR2016101100001](https://openairdocs.org/sdr/17GR2016101100001), Oct 8, 2016: CYLINDER. BROKEN. PILOT REPORT A VIBRATION WHILE IN FLIGHT AND LANDED. FURTHER INSPECTION FOUND THAT ONE OF THE COOLING FINS HAD BROKEN OFF. THE COOLING FIN CRACKED IN BETWEEN TH
- [SDR 2008FA0000111](https://openairdocs.org/sdr/2008FA0000111), Mar 4, 2008: BEARING. SEIZED. THE THRUST BEARINGS IN THE TAIL ROTOR BLADE GRIPS ARE OF MATCHED SETS. THESE SETS HAVE A SPECIFIC INSTALLATION ORIENTATION. ORIENTATION OF THESE BEARINGS ARE MA
- [SDR EAHR200500002](https://openairdocs.org/sdr/EAHR200500002), Sep 30, 2005: ADAPTER. BROKEN. WELD BROKEN AT TURBO-CHARGER FLANGE.
- [SDR EAHR200500001](https://openairdocs.org/sdr/EAHR200500001), Mar 8, 2005: SPACER. CRACKED. CRACK ON ID OF SPACER OF TAIL ROTOR GEARBOX.
- [SDR 2003FA0000351](https://openairdocs.org/sdr/2003FA0000351), Jan 4, 2002: LINE. BROKEN. THE TUBE FAILED ADJACENT TO FERRULE ON THE ENGINE DRIVEN FUEL PUMP FITTING. FAILURE WAS FOUND UPON REMOVAL OF THE PART FROM THE AIRCRAFT TO PERFORM OTHER MAINTE
- [SDR 20000524SH010](https://openairdocs.org/sdr/20000524SH010), Apr 28, 2000: CAPACITOR. FAILED. SUBJECT CAPACITOR WAS INSTALLED NEW IN AUGUST, 1999. MAGNETO WAS PART OF SPARE ENGINE NOT INSTALLED UNTIL THIS MONTHV. THE CAPACITOR HAD VERY FEW HOURS (13.3 HR
- [SDR 20000615SH012](https://openairdocs.org/sdr/20000615SH012), Apr 4, 2000: SERVO. LEAKING. ENGINE QUIT IN-FLIGHT. HELICOPTER AUTOROTATED TO GROUND. INSPECTION FOUND FUEL LEAKING INSIDE THE SERVO. SERVO TO REPAIR STATION FOR REPAIR. DEBRIS FOUND IN BAL
- [SDR 99ZZZX3968](https://openairdocs.org/sdr/99ZZZX3968), Sep 21, 1999: CONDENSER. FAILED. PILOT REPORTED A ONE PER REV VIBRATION ON BURP IN HELICOPTER DURING FLIGHT. DURING A MAGNETO CHECK, ENGINE WOULD CONTINUE TO RUN WITH IGNITION IN OFF POSITION. 
- [SDR 99ZZZX1719](https://openairdocs.org/sdr/99ZZZX1719), Mar 24, 1999: CAPACITOR. FAILED. POINTS CLOSED AND MAGNETO QUIT DUE TO MELTED CAM FOLLOWER. LYCOMING FACTORY OVERHAULED ENGINE, TELEDYNE CONT FACTORY OVERHAULED MAG, AND SLICK OVERHAULED HARNES
- [SDR 99ZZZX1720](https://openairdocs.org/sdr/99ZZZX1720), Mar 24, 1999: POINTS. FAILED. POINTS CLOSED AND MAGNETO QUIT DUE TO MELTED CAM FOLLOWER. LYCOMING FACTORY OVERHAULED ENGINE, TELEDYNE CONT FACTORY OVERHAULED MAG, AND SLICK OVERHAULED HARNES
- [SDR 97ZZZX3551](https://openairdocs.org/sdr/97ZZZX3551), Jun 25, 1997: ROCKER SHAFT. FAILED. LOOSE RETAINING NUTS WORKED OFF STUDS ALLOWING THE PORT COVER TO FALL OFF AND NR 2 CYLINDER INTAKE VALVE ROCKER ARM SHAFT TO FALL OUT OF THE ENGINE RESULTING IN
- [SDR 97ZZZX1666](https://openairdocs.org/sdr/97ZZZX1666), Mar 31, 1997: CRANKCASE. MISALIGNED. A FACTORY OVERHAULED ENGINE WAS INSTALLED. ENGINE STARTED TO MAKE METAL. WHEN OIL WAS DRAINED, IT LOOKED LIKE ALUMINUM PAINT. AN OIL SAMPLE AND FILTER ELEMENT W
- [SDR 96ZZZX4104](https://openairdocs.org/sdr/96ZZZX4104), Jul 8, 1996: ROCKER COVER. GROOVED. ENGINE DISASSEMBLED DUE TO ROTOR BLADE STRIKE. FOUND SEVERAL DEEP RINGS WORN IN ROCKER COVERS WHERE ROCKER SHAFTS RIDE. (NOT CAUSED BY ACCIDENT.) SUBMITTER STAT

## STCs that may be installed (OpenAirDocs) (27)

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
- [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

## 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
- [ES10-349328](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID114147850320251216184403.0001): Flat Washer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349328 · 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
- [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
- [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
- [ES10-35936-7](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191691087420251216184428.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-35936-7 · Dec 8, 2023
- [AB-382936](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID187213722420251216184508.0001): Lock Nut. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-382936 · Dec 8, 2023
- [AB-92815-37](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID165115893520251216184504.0001): Retaining Ring. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-92815-37 · Dec 8, 2023
- [AB-391213](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146344589820251216184434.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-391213 · Dec 8, 2023
- [AB-382788](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID143912317620251216184442.0001): Washer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-382788 · Dec 8, 2023
- [AB-90788-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID138975580920251216184500.0001): Woodruff Key. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-90788-5 · Dec 8, 2023
- [AB-163374](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID138652177520251216184458.0001): Felt Strip. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-163374 · Dec 8, 2023
- [AB-90751-18](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID138224109620251216184503.0001): Cotter Pin. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-90751-18 · Dec 8, 2023
- [AB-86527](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136544385220251216184459.0001): Lubricant. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-86527 · Dec 8, 2023
- [AB-50752](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125758886020251216184457.0001): Felt Washer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-50752 · Dec 8, 2023
- [AB-391309](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID120647802220251216184443.0001): Washer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-391309 · Dec 8, 2023
- [AB-682014](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID120465521120251216184447.0001): Gear. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-682014 · Dec 8, 2023
- [AB-92815-62](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID118430918720251216184503.0001): Retainer Ring. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-92815-62 · Dec 8, 2023
- [AB-14268](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID116974477620251216184440.0001): Washer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-14268 · Dec 8, 2023
- [AB-53397](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID113466624320251216184442.0001): Washer, Flat. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-53397 · Dec 8, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189689408720240301172612.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170183424420240301172611.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156976939420240301172621.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023
- [KA12944](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147634588720240301172640.0001): Ignition Harness Assy. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M2944,10-821425-12 · Dec 1, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID137841244720240301172609.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID128838889420240301172611.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199876966520240301172645.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID193099993320240301172643.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID193052828920240301172630.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161105397620240301172623.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID158136689420240301172650.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023

All of them: https://openairdocs.org/engine/lycoming-hio-360-f1ad/pma.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.