# Lycoming IO-320-D1A

- Type: Engine model (FAA registry)
- Registry code: 42394
- Manufacturer (registry): LYCOMING
- Model: IO-320-D1A
- Engine type: Reciprocating
- Power: 160 hp
- Data sheet: [TCDS 1E12](https://openairdocs.org/tcds/1E12) (OpenAirDocs)
- Holder: Lycoming Engines
- Installed in: 58 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-io-320-d1a

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

## ADs that may apply (OpenAirDocs)

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

- [AD 2026-04-11](https://openairdocs.org/ad/2026-04-11): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 605 more. Effective Apr 8, 2026
- [AD 2022-16-03](https://openairdocs.org/ad/2022-16-03): Engine (RECIPROCATING) · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-F and 236 more. Effective Aug 15, 2022
- [AD 2015-19-07](https://openairdocs.org/ad/2015-19-07): Fuel injector fuel lines · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 187 more. Effective Nov 3, 2015
- [AD 2012-03-06](https://openairdocs.org/ad/2012-03-06): Fuel servo diaphragm · Continental Motors 6-260-A, 6-285-A, 6-285-B and 482 more. Effective Feb 24, 2012
- [AD 2009-26-12](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 2004-10-14](https://openairdocs.org/ad/2004-10-14): Crankshaft gear · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 642 more. Effective Jun 25, 2004
- [AD 2003-14-03](https://openairdocs.org/ad/2003-14-03): Rotary fuel pumps · Lycoming Engines AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 262 more. Effective Aug 14, 2003
- [AD 98-02-08](https://openairdocs.org/ad/98-02-08): Crankshaft · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 216 more. Effective Mar 30, 1998
- [AD 97-15-11](https://openairdocs.org/ad/97-15-11): Cylinder kits · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 538 more. Effective Aug 12, 1997
- [AD 96-23-03](https://openairdocs.org/ad/96-23-03): High pressure fuel pumps · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 174 more. Effective Dec 23, 1996
- [AD 96-09-10](https://openairdocs.org/ad/96-09-10): Oil pump · Lycoming Engines AEIO-320-E1A, AEIO-320-E1B, AEIO-320-E2A and 334 more. Effective Jul 15, 1996
- [AD 92-12-05](https://openairdocs.org/ad/92-12-05): Piston Pins · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 532 more. Effective Jul 10, 1992
- [AD 90-04-06 R1](https://openairdocs.org/ad/90-04-06-R1): Propeller Governor External Oil Line · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 427 more. Effective May 28, 1991
- [AD 87-10-06 R1](https://openairdocs.org/ad/87-10-06-R1): Rocker Arm Assembly · Lycoming Engines IO-360-B4, IVO-360-A1A, O-340-A1A and 243 more. Effective Sep 1, 1989
- [AD 80-06-05](https://openairdocs.org/ad/80-06-05): Magnetos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 254 more. Effective Mar 28, 1980
- [AD 79-04-05](https://openairdocs.org/ad/79-04-05): Regulator Diaphragm Stem Assembly · Lycoming Engines AEIO-320-D1B, AEIO-320-E1A, AEIO-320-E1B and 215 more. Effective Sep 26, 1979
- [AD 78-23-10](https://openairdocs.org/ad/78-23-10): Center Body Bellows Seal Assembly · Lycoming Engines AEIO-320-D1B, AEIO-320-E1A, AEIO-320-E1B and 218 more. Effective Nov 7, 1978
- [AD 75-08-09](https://openairdocs.org/ad/75-08-09): Oil Pump Drive Shaft · Lycoming Engines AEIO-360-A1B, AEIO-360-A1B6, AEIO-360-A1C and 365 more. Effective Aug 18, 1977
- [AD 73-23-01](https://openairdocs.org/ad/73-23-01): Piston Pin Assembly · Lycoming Engines AIO-360-A1A, AIO-360-A1B, AIO-360-A2A and 215 more. Effective Jan 13, 1977
- [AD 75-09-15](https://openairdocs.org/ad/75-09-15): Fuel Starvation To The Engine · Lycoming Engines AIO-320-A1A, AIO-320-A1B, AIO-320-A2A and 130 more. Effective Apr 30, 1975
- [AD 73-10-02](https://openairdocs.org/ad/73-10-02): Bendix Fuel Injectors · Bendix Fuel Injectors, AIO-320-A1A, AIO-320-A1B and 88 more. Effective May 16, 1973
- [AD 67-22-06](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

Historical (superseded or no longer in force):

- [AD 2024-21-02](https://openairdocs.org/ad/2024-21-02) (historical): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 548 more. Effective Dec 5, 2024
- [AD 2011-26-04](https://openairdocs.org/ad/2011-26-04) (historical): Externally mounted fuel injector fuel lines · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 186 more. Effective Jan 25, 2012
- [AD 2011-15-10](https://openairdocs.org/ad/2011-15-10) (historical): Fuel servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 256 more. Effective Aug 16, 2011
- [AD 2008-19-05](https://openairdocs.org/ad/2008-19-05) (historical): Parallel Valve'' reciprocating engines · Engine Components Reciprocating Engine Cylinder Assemblies, AEIO-320-D1B, AEIO-320-D2B and 262 more. Effective Oct 20, 2008
- [AD 2008-14-07](https://openairdocs.org/ad/2008-14-07) (historical): Externally mounted fuel injector fuel lines · Textron Lycoming, AVCO AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 185 more. Effective Aug 14, 2008
- [AD 2008-08-14](https://openairdocs.org/ad/2008-08-14) (historical): Fuel injection servo plugs · Superior Air Parts AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 242 more. Effective Apr 29, 2008
- [AD 2008-06-51](https://openairdocs.org/ad/2008-06-51) (historical): Fuel injection servo plugs · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 235 more
- [AD 2005-26-10](https://openairdocs.org/ad/2005-26-10) (historical): ECi cylinder assemblies. · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 413 more. Effective Jan 31, 2006
- [AD 2002-26-01](https://openairdocs.org/ad/2002-26-01) (historical): Fuel injector fuel lines · Textron Lycoming, AVCO IGO-480-A1B6, IGO-540-B1A, IGO-540-B1C and 178 more. Effective Jan 31, 2003
- [AD 98-18-12](https://openairdocs.org/ad/98-18-12) (historical): Fuel Pump · Textron Lycoming, AVCO AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 249 more. Effective Sep 28, 1998
- [AD 81-18-04 R2](https://openairdocs.org/ad/81-18-04-R2) (historical): Engine Oil Pump Driven Impeller and Shaft · Textron Lycoming, AVCO AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 376 more. Effective Jun 7, 1982

## Information bulletins (advisory) (7)

- [SAIB NE-19-08](https://openairdocs.org/saib/NE-19-08): Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders. Issued May 2, 2019
- [SAIB NE-08-32R1](https://openairdocs.org/saib/NE-08-32R1): Propeller Governor  Idler Gear Shaft Set Screw. Issued May 13, 2016
- [SAIB NE-14-13](https://openairdocs.org/saib/NE-14-13): Reciprocating Engine - Cylinder Mounting Studs. Issued Mar 24, 2014
- [SAIB NE-13-06](https://openairdocs.org/saib/NE-13-06): Pushrod Shroud Spring Retainers, Engine Components Part No. AEL14995, for Lycoming Engines 320, 360, and 540 Series Engines. Issued Nov 21, 2012
- [SAIB NE-09-04](https://openairdocs.org/saib/NE-09-04): Fuel Control/Reciprocating Engines. Issued Jan 10, 2009
- [SAIB NE-06-32R1](https://openairdocs.org/saib/NE-06-32R1): Reciprocating Engine - Crankshaft. Issued Sep 10, 2008
- [SAIB NE-08-32](https://openairdocs.org/saib/NE-08-32) (historical): Propeller Governor Set Screw. Issued Jul 3, 2008

## Registered aircraft (58, first 50)

- [N102KU](https://openairdocs.org/aircraft/N102KU): [Kapelle Kurt D](https://openairdocs.org/faa-owner/KAPELLE%20KURT%20D), [Johnstown, NY](https://openairdocs.org/faa-place/NY/Johnstown), built 2015, S/N 91958
- [N10ZS](https://openairdocs.org/aircraft/N10ZS): [Holden Daniel N](https://openairdocs.org/faa-owner/HOLDEN%20DANIEL%20N), [Anacortes, WA](https://openairdocs.org/faa-place/WA/Anacortes), built 2013, S/N 11379
- [N1119A](https://openairdocs.org/aircraft/N1119A): [Gross Steven B](https://openairdocs.org/faa-owner/GROSS%20STEVEN%20B), [Rockville, MD](https://openairdocs.org/faa-place/MD/Rockville), built 2018, S/N 91322
- [N131RG](https://openairdocs.org/aircraft/N131RG): [Gillen Justin L](https://openairdocs.org/faa-owner/GILLEN%20JUSTIN%20L), [Palmdale, CA](https://openairdocs.org/faa-place/CA/Palmdale), built 2012, S/N 025
- [N139RK](https://openairdocs.org/aircraft/N139RK): [Kinkade Jonathan A](https://openairdocs.org/faa-owner/KINKADE%20JONATHAN%20A), [Tucson, AZ](https://openairdocs.org/faa-place/AZ/Tucson), built 2010, S/N 90929
- [N191SD](https://openairdocs.org/aircraft/N191SD): [Crockard Scott M](https://openairdocs.org/faa-owner/CROCKARD%20SCOTT%20M), [Oregon City, OR](https://openairdocs.org/faa-place/OR/Oregon%20City), built 2018, S/N 90927
- [N209JR](https://openairdocs.org/aircraft/N209JR): [Sweeney Edward](https://openairdocs.org/faa-owner/SWEENEY%20EDWARD), [Parrish, FL](https://openairdocs.org/faa-place/FL/Parrish), built 1971, S/N 166
- [N211LV](https://openairdocs.org/aircraft/N211LV): [Goodloe Wallace C](https://openairdocs.org/faa-owner/GOODLOE%20WALLACE%20C), [Ocean Springs, MS](https://openairdocs.org/faa-place/MS/Ocean%20Springs), S/N 90714
- [N214DX](https://openairdocs.org/aircraft/N214DX): [Dixon Craig M](https://openairdocs.org/faa-owner/DIXON%20CRAIG%20M), [La Grande, OR](https://openairdocs.org/faa-place/OR/La%20Grande), built 2013, S/N 91863
- [N214XU](https://openairdocs.org/aircraft/N214XU): [Xu Guihong](https://openairdocs.org/faa-owner/XU%20GUIHONG), [Tucson, AZ](https://openairdocs.org/faa-place/AZ/Tucson), built 2010, S/N 91634
- [N219RV](https://openairdocs.org/aircraft/N219RV): [Mcguff Thomas M Trustee](https://openairdocs.org/faa-owner/MCGUFF%20THOMAS%20M%20TRUSTEE), [Olathe, KS](https://openairdocs.org/faa-place/KS/Olathe), built 2010, S/N 91521
- [N223RL](https://openairdocs.org/aircraft/N223RL): [Beasley Andrew R](https://openairdocs.org/faa-owner/BEASLEY%20ANDREW%20R), [Colorado Springs, CO](https://openairdocs.org/faa-place/CO/Colorado%20Springs), built 2007, S/N 11375
- [N257CH](https://openairdocs.org/aircraft/N257CH): [N257ch LLC](https://openairdocs.org/faa-owner/N257CH%20LLC), [Austin, TX](https://openairdocs.org/faa-place/TX/Austin), built 2008, S/N 91548
- [N271ML](https://openairdocs.org/aircraft/N271ML): [Keyser Gary E Trustee](https://openairdocs.org/faa-owner/KEYSER%20GARY%20E%20TRUSTEE), [Reno, NV](https://openairdocs.org/faa-place/NV/Reno), built 2024, S/N 91620
- [N2724G](https://openairdocs.org/aircraft/N2724G): [Duff Paul](https://openairdocs.org/faa-owner/DUFF%20PAUL), [Canton, MS](https://openairdocs.org/faa-place/MS/Canton), built 2009, S/N 91642
- [N279K](https://openairdocs.org/aircraft/N279K): [Marble Rick W](https://openairdocs.org/faa-owner/MARBLE%20RICK%20W), [Hartford, IA](https://openairdocs.org/faa-place/IA/Hartford), built 2014, S/N 90859
- [N296JR](https://openairdocs.org/aircraft/N296JR): [Rosson Jeffrey K](https://openairdocs.org/faa-owner/ROSSON%20JEFFREY%20K), [Melbourne, FL](https://openairdocs.org/faa-place/FL/Melbourne), built 2012, S/N 91599
- [N319DC](https://openairdocs.org/aircraft/N319DC): [Becker Dennis P](https://openairdocs.org/faa-owner/BECKER%20DENNIS%20P), [Kelso, WA](https://openairdocs.org/faa-place/WA/Kelso), built 2008, S/N 23772
- [N35LC](https://openairdocs.org/aircraft/N35LC): [Claussen Larry Scott](https://openairdocs.org/faa-owner/CLAUSSEN%20LARRY%20SCOTT), [Independence, OR](https://openairdocs.org/faa-place/OR/Independence), built 2018, S/N 91627
- [N376JW](https://openairdocs.org/aircraft/N376JW): [Tugaw Leslie T](https://openairdocs.org/faa-owner/TUGAW%20LESLIE%20T), [Omak, WA](https://openairdocs.org/faa-place/WA/Omak), built 2008, S/N 11376
- [N37TG](https://openairdocs.org/aircraft/N37TG): [Fort Payne, AL](https://openairdocs.org/faa-place/AL/Fort%20Payne), built 2014, S/N 24870, Sale reported, pending cancellation
- [N3NU](https://openairdocs.org/aircraft/N3NU): [Nystrom John L Jr](https://openairdocs.org/faa-owner/NYSTROM%20JOHN%20L%20JR), [Albuquerque, NM](https://openairdocs.org/faa-place/NM/Albuquerque), built 2009, S/N 11429
- [N40BY](https://openairdocs.org/aircraft/N40BY): [Massengill Brad](https://openairdocs.org/faa-owner/MASSENGILL%20BRAD), [Lowell, IN](https://openairdocs.org/faa-place/IN/Lowell), built 2012, S/N 91232
- [N413WC](https://openairdocs.org/aircraft/N413WC): [Bradshaw Larry C](https://openairdocs.org/faa-owner/BRADSHAW%20LARRY%20C), [Edgewood, TX](https://openairdocs.org/faa-place/TX/Edgewood), built 2009, S/N 91607
- [N4166R](https://openairdocs.org/aircraft/N4166R): [Rogers John K](https://openairdocs.org/faa-owner/ROGERS%20JOHN%20K), [Statesboro, GA](https://openairdocs.org/faa-place/GA/Statesboro), built 2026, S/N 92273
- [N427DK](https://openairdocs.org/aircraft/N427DK): [Nelson Michael E](https://openairdocs.org/faa-owner/NELSON%20MICHAEL%20E), [Gig Harbor, WA](https://openairdocs.org/faa-place/WA/Gig%20Harbor), built 2016, S/N 92198
- [N432PW](https://openairdocs.org/aircraft/N432PW): [Simple Aviation LLC](https://openairdocs.org/faa-owner/SIMPLE%20AVIATION%20LLC), [Suwanee, GA](https://openairdocs.org/faa-place/GA/Suwanee), built 2014, S/N 92051
- [N456EM](https://openairdocs.org/aircraft/N456EM): [Miller William E](https://openairdocs.org/faa-owner/MILLER%20WILLIAM%20E), [Goldsboro, NC](https://openairdocs.org/faa-place/NC/Goldsboro), built 2013, S/N 91893
- [N456SG](https://openairdocs.org/aircraft/N456SG): [Gavitt Stephen M](https://openairdocs.org/faa-owner/GAVITT%20STEPHEN%20M), [Rensselaer, NY](https://openairdocs.org/faa-place/NY/Rensselaer), built 2010, S/N 91307
- [N4604X](https://openairdocs.org/aircraft/N4604X): [Delaware Aircraft Trust LLC Trustee](https://openairdocs.org/faa-owner/DELAWARE%20AIRCRAFT%20TRUST%20LLC%20TRUSTEE), [New Castle, DE](https://openairdocs.org/faa-place/DE/New%20Castle), built 2012, S/N 91252
- [N477PS](https://openairdocs.org/aircraft/N477PS): [Silver Patrick F](https://openairdocs.org/faa-owner/SILVER%20PATRICK%20F), [Toney, AL](https://openairdocs.org/faa-place/AL/Toney), built 2016, S/N 91796
- [N504MM](https://openairdocs.org/aircraft/N504MM): [Global Marine Transport LLC](https://openairdocs.org/faa-owner/GLOBAL%20MARINE%20TRANSPORT%20LLC), [South Pasadena, FL](https://openairdocs.org/faa-place/FL/South%20Pasadena), built 2010, S/N 91296
- [N53XT](https://openairdocs.org/aircraft/N53XT): [Sullivan Daniel J](https://openairdocs.org/faa-owner/SULLIVAN%20DANIEL%20J), [Boone, NC](https://openairdocs.org/faa-place/NC/Boone), built 2015, S/N 91250
- [N558PP](https://openairdocs.org/aircraft/N558PP): [Taylor Thomas J](https://openairdocs.org/faa-owner/TAYLOR%20THOMAS%20J), [Sharpsburg, GA](https://openairdocs.org/faa-place/GA/Sharpsburg), built 2014, S/N 91087
- [N622BH](https://openairdocs.org/aircraft/N622BH): [Huffman Melvin L](https://openairdocs.org/faa-owner/HUFFMAN%20MELVIN%20L), [Albany, OR](https://openairdocs.org/faa-place/OR/Albany), built 2015, S/N 92002
- [N669RV](https://openairdocs.org/aircraft/N669RV): [N669rv LLC](https://openairdocs.org/faa-owner/N669RV%20LLC), [New Albany, IN](https://openairdocs.org/faa-place/IN/New%20Albany), built 2025, S/N 91055
- [N669SN](https://openairdocs.org/aircraft/N669SN): [Kajans Douglas L](https://openairdocs.org/faa-owner/KAJANS%20DOUGLAS%20L), [Reno, NV](https://openairdocs.org/faa-place/NV/Reno), built 2014, S/N 91844
- [N6841M](https://openairdocs.org/aircraft/N6841M): [Gwiazdon Edward P](https://openairdocs.org/faa-owner/GWIAZDON%20EDWARD%20P), [Lake Elmo, MN](https://openairdocs.org/faa-place/MN/Lake%20Elmo), built 2009, S/N 90274
- [N6875T](https://openairdocs.org/aircraft/N6875T): [Skala James A](https://openairdocs.org/faa-owner/SKALA%20JAMES%20A), [Hartselle, AL](https://openairdocs.org/faa-place/AL/Hartselle), built 2009, S/N 90756
- [N709RV](https://openairdocs.org/aircraft/N709RV): [Oliveira John S](https://openairdocs.org/faa-owner/OLIVEIRA%20JOHN%20S), [Port Townsend, WA](https://openairdocs.org/faa-place/WA/Port%20Townsend), built 2012, S/N 90054
- [N70RP](https://openairdocs.org/aircraft/N70RP): [Pulis John](https://openairdocs.org/faa-owner/PULIS%20JOHN), [Willis, TX](https://openairdocs.org/faa-place/TX/Willis), built 2023, S/N 1010A
- [N717RL](https://openairdocs.org/aircraft/N717RL): [Double Rainbow Aviation LLC](https://openairdocs.org/faa-owner/DOUBLE%20RAINBOW%20AVIATION%20LLC), [North Fort Myers, FL](https://openairdocs.org/faa-place/FL/North%20Fort%20Myers), built 2009, S/N 91651
- [N71TK](https://openairdocs.org/aircraft/N71TK): [Kallio Thomas A](https://openairdocs.org/faa-owner/KALLIO%20THOMAS%20A), [Carmel, IN](https://openairdocs.org/faa-place/IN/Carmel), built 2017, S/N 90908
- [N727LD](https://openairdocs.org/aircraft/N727LD): [Donceel Leslie G](https://openairdocs.org/faa-owner/DONCEEL%20LESLIE%20G), [Murphy, NC](https://openairdocs.org/faa-place/NC/Murphy), built 2013, S/N 91045
- [N748WM](https://openairdocs.org/aircraft/N748WM): [Truett Michael J](https://openairdocs.org/faa-owner/TRUETT%20MICHAEL%20J), [Beavercreek, OR](https://openairdocs.org/faa-place/OR/Beavercreek), built 2025, S/N 92314
- [N808PK](https://openairdocs.org/aircraft/N808PK): [Gottmann Matthias L](https://openairdocs.org/faa-owner/GOTTMANN%20MATTHIAS%20L), [San Jose, CA](https://openairdocs.org/faa-place/CA/San%20Jose), built 2015, S/N 92163
- [N845DT](https://openairdocs.org/aircraft/N845DT): [Kilo Delta Ventures LLC](https://openairdocs.org/faa-owner/KILO%20DELTA%20VENTURES%20LLC), [Porter, OK](https://openairdocs.org/faa-place/OK/Porter), built 2006, S/N 23833
- [N888QC](https://openairdocs.org/aircraft/N888QC): [Shipley Ryan Paul](https://openairdocs.org/faa-owner/SHIPLEY%20RYAN%20PAUL), [Keller, TX](https://openairdocs.org/faa-place/TX/Keller), built 1977, S/N 28-7716175
- [N899JL](https://openairdocs.org/aircraft/N899JL): [Meise Wendell G](https://openairdocs.org/faa-owner/MEISE%20WENDELL%20G), [Port Orange, FL](https://openairdocs.org/faa-place/FL/Port%20Orange), built 2011, S/N 91858
- [N909JH](https://openairdocs.org/aircraft/N909JH): [Shean Thomas R](https://openairdocs.org/faa-owner/SHEAN%20THOMAS%20R), [Santa Ynez, CA](https://openairdocs.org/faa-place/CA/Santa%20Ynez), built 2008, S/N 91305

All 58: https://openairdocs.org/engine/lycoming-io-320-d1a/aircraft.md

## NTSB investigations (2)

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 WPR25LA188](https://openairdocs.org/ntsb/WPR25LA188), Jun 23, 2025: Filby Gerry RV-9 (N696WG), Morgan Hill, CA, substantial damage, investigation ongoing
- [NTSB WPR10LA299](https://openairdocs.org/ntsb/WPR10LA299), Jun 19, 2010: Oliver Vans RV-9A (N559B), May, ID, substantial damage, 1 fatal. Probable cause: The pilot's failure to maintain control of the airplane during maneuvering flight due to spatial disorientation. Contributing to the accident was the pilot's ingestion of an impairing level of…

## FAA accident and incident reports (4)

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

- [Incident 20190721012249I](https://openairdocs.org/incident/20190721012249I), Jul 21, 2019: David B Garris RV-9A (N53XT), Cincinnati, OH, Minor damage. On Sunday, July 21, 2019 at approximately 1005 EDT, a vans RV-9A aircraft, registration n-number N53XT, an amateur built experimental aircraft, was involved in…
- [Incident 20170928012049I](https://openairdocs.org/incident/20170928012049I), Sep 28, 2017: Mervyn L Henkes RV9A (N91MH), Aurora, OR, Minor damage. While in the non-movement area of a taxiway near aircraft hangers, the PIC stated that after he started the engine of N91MH, the engine immediately went to a…
- [Incident 20130519009679I](https://openairdocs.org/incident/20130519009679I), May 19, 2013: John Swanstrom RV-9A (N969JS), San Jose, CA, Minor damage. Landed hard at catalina (kavx). Reported bent nose gear prior to landing at San Jose (krhv). Injuries: none. Damage: minor, bent nose gear.
- [Accident 20100619036129A](https://openairdocs.org/incident/20100619036129A), Jun 19, 2010: Oliver Robe VANS RV-9A (N559B), May, ID, Destroyed, 1 fatal. While manuevering in the pattern for landing at May, ID the pilot allowed his aircraft to enter a stall at 200 ft AGL and made 1/2 rotation in a spin from…

## STCs that may be installed (OpenAirDocs) (39)

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

- [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC
- [STC SE00825WI](https://openairdocs.org/stc/SE00825WI): Installation of Specialty Products Spin-on oil filter on Lycoming Engines. B & C Specialty Products Inc
- [STC SE04349CH](https://openairdocs.org/stc/SE04349CH): Installation of SureFly electronic ignition. SureFly Partners Ltd
- [STC SE01954SE](https://openairdocs.org/stc/SE01954SE): Installation of engine crankcase seal. Ly-Con Rebuilding Company
- [STC SE02352CH](https://openairdocs.org/stc/SE02352CH): Installation of Challenger cleanable oil filter assembly. Challenger Aviation Products Inc
- [STC SE00939WI](https://openairdocs.org/stc/SE00939WI): Installation of B&C Specialty Products Model BC 315-( ) Starter on Lycoming engines. B & C Specialty Products Inc
- [STC SE2452CE](https://openairdocs.org/stc/SE2452CE): Installation of B&C Specialty Products lightweight (10.2 pounds) engine starter PN BC315-100-1(12 volt) or PN BC315-100-3(24 volt) on engines with ring gears having 122 teeth and PN BC315-100-2 (12 volt) or PN BC315-100-4 (24 volt) on engines with ring gears having 149 teeth. B & C Specialty Products Inc. Lists IO-320 Series
- [STC SE03232CH](https://openairdocs.org/stc/SE03232CH): Installation of Engine Preheat Kit p/n TA2925-1 for 115 volt application. Hartzell Propeller Inc
- [STC SE04577CH](https://openairdocs.org/stc/SE04577CH): Install an electronic engine ignition system. Electroair Acquisition Corp
- [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc
- [STC SE8628SW](https://openairdocs.org/stc/SE8628SW): Installation of oil nozzles for lubrication of cam and filters. Cygnet Aerospace Corp
- [STC SE09445SC](https://openairdocs.org/stc/SE09445SC): Installation of fuel injector nozzles. General Aviation Modifications Inc. Lists IO-320 Series
- [STC SE03215CH](https://openairdocs.org/stc/SE03215CH): STC for the conversion of Lycoming O-320-A, B, C, D, E; IO-320-A, B, C, D, E, F; AIO-320-A, B; AEIO-320-D, E to increase engine displacement to 340 cubic inches by installation of a crankshaft with a longer stroke. Continental Motors, Inc
- [STC SE4408SW](https://openairdocs.org/stc/SE4408SW): Miscellaneous engine cylinder replacement parts. Continental Motors, Inc. Lists IO-320 Series
- [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc. Lists IO-320 Series
- [STC SE00218NY](https://openairdocs.org/stc/SE00218NY): Replacement of Lycoming starter with SKY-TEC 12 volt starter installed. Hartzell Engine Technologies, LLC. Lists IO-320 Series
- [STC SE00226NY](https://openairdocs.org/stc/SE00226NY): Replacement of Lycoming starter with SKY-TEC 24-volt starter Models 149-24HT and 122-24HT. Approval limited to 24-volt DC source available to the starter. Hartzell Engine Technologies, LLC
- [STC SE00357NY](https://openairdocs.org/stc/SE00357NY): Replacement of Lycoming starter with SKY-TEC 24-volt starter installed. Hartzell Engine Technologies, LLC. Lists IO-320 Series
- [STC SE2901NM](https://openairdocs.org/stc/SE2901NM): Lycoming valve cover gasket. Real Gaskets Tennessee
- [STC SE02409AK](https://openairdocs.org/stc/SE02409AK): Installation of the Superior Air Parts Cold Air Induction System (CAIS). Wattum Aircraft Services
- [STC SE00590DE](https://openairdocs.org/stc/SE00590DE): Installation of modified Lubricated Camshaft. Centri-Lube Technologies LLC
- [STC SE01524CH](https://openairdocs.org/stc/SE01524CH): Replace Slick 6000, 6100, 6200, 6300, 4000, 4100, 4200, and 4300 series magnetos and TCM/Bendix S6-20, S6-200, S6-1200, S-20, S-200, and S-1200 series magnetos with Champion Limited Authority Spark Advance Regulator (LASAR ) Model 4755 and 6755 bush kit ignition systems. Champion Aerospace LLC
- [STC SE524CH](https://openairdocs.org/stc/SE524CH): Replace Slick 4000, 4100, 4200, and 4300 series magnetos and TCM/Bendix S-20, S-200, and S-1200 series magnetos with the Champion Limited Authority Spark Advance Regulator (LASAR ). Champion Aerospace LLC
- [STC SE859GL](https://openairdocs.org/stc/SE859GL): Replacement of Bendix S4LN-20, -21, -1209, or -1227 model magnetos with Slick Model 4250 or 4251 magnetos. Champion Aerospace LLC
- [STC SA4005NM](https://openairdocs.org/stc/SA4005NM): Precise Flight Inc. Pulselite Control System. Precise Flight Inc
- [STC SE01930NY](https://openairdocs.org/stc/SE01930NY): Installation of Casper Labs 90 degree oil filter housing adapter. Casper Labs Inc
- [STC SE1779NM](https://openairdocs.org/stc/SE1779NM): Installation of Precise Flight, Inc. Standby Vacuum System SVS III. Precise Flight Inc
- [STC SE5743NM](https://openairdocs.org/stc/SE5743NM): Intallation of adapter for externally mounted oil filter. Aviation Development Corporation
- [STC SE09492SC](https://openairdocs.org/stc/SE09492SC): Installation and usage of Exxon 20W50 multigrade aircraft engine oil conforming to Exxon Oil formulation WS-3013. Exxon Company USA. Lists IO-320 Series
- [STC SE00590LA](https://openairdocs.org/stc/SE00590LA): Installation of Nickson's cylinder barrels on Lycoming reciprocating engine models. Nickson's Machine Shop Inc. Lists IO-320-D Series
- [STC SE00350SE](https://openairdocs.org/stc/SE00350SE): Installation of sump mounted chip detector. Aviation Development Corporation
- [STC SE8023SW](https://openairdocs.org/stc/SE8023SW): Installation and usage of AEROSHELL. Shell Development Co. Lists IO-320 Series
- [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp. Lists IO-320 Series
- [STC SE5879SW](https://openairdocs.org/stc/SE5879SW): Use of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP. Phillips Petroleum Co. Lists IO-320 Series
- [STC SE5924SW](https://openairdocs.org/stc/SE5924SW): Installation of stainless steel replacement exhaust studs on AVCO engines. Perrigo & Steele Aircraft Engr Company. Lists IO-320 Series
- [STC SE244NE](https://openairdocs.org/stc/SE244NE): Installation of Mattituck plasma flame sprayed cylinder barrels in Teledyne reciprocating engines. Mattituck Airbase, Inc. Lists IO-320 Series
- [STC SE80NE](https://openairdocs.org/stc/SE80NE): Installation and usage of Bel-Ray synthetic aviation oil, Bel-Ray Aero 1, (nonsupercharged), horizontally opposed direct drive, aircraft engines of 350 hp. or less. Bel-Ray Company, Inc. Lists IO-320 Series
- [STC SE1445SO](https://openairdocs.org/stc/SE1445SO): Use of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines. ProTec. Lists IO-320 Series
- [STC SE128NE](https://openairdocs.org/stc/SE128NE): Use of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines. AMS/OIL. Lists IO-320 Series

## PMA parts (OpenAirDocs) (over 1,000, first 50)

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first.

- [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
- [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
- [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
- [ES-349365-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID102060656620251216184354.0001): S-1200 Series Magneto, 4-Cyl. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces LW-349365-3, LW-349365-3D, 75897… · Nov 10, 2025
- [AB-160844](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100141747720251216184413.0001): Spring & Brush Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-160844 · Nov 10, 2025
- [OC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178549155320250923184433.0001): Oil Cooler Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Sep 12, 2025
- [AE45BS-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID173583138520250908153031.0001): Brush Rack Assembly. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number ALU-1045BS · Aug 27, 2025
- [AE944](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157009852420250908153027.0001): Rotor Shaft. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number ALE-273 · Aug 27, 2025
- [AE45BS-E](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID143460060920250908153031.0001): Brush Rack Assembly. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number ALE-1045BS · Aug 27, 2025
- [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
- [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
- [ES917](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170587168620251216184202.0001): Impulse Coupling Spring. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M917 · May 20, 2024
- [AK-3984](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168254730520251216184200.0001): Capacitor. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3183, K3984 · May 20, 2024
- [AM-2556](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164604517920251216184155.0001): Cotter Pin. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M2556 · May 20, 2024
- [ES3529](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157254178920251216184215.0001): Impulse Coupling Assy.. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3529 · May 20, 2024
- [AM-3062](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155261831320251216184153.0001): Oil Seal. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3062 · May 20, 2024
- [ES3084](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152458666320251216184211.0001): Air Vent With Hood. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3084 · May 20, 2024
- [AM-3217](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152412216720251216184157.0001): Wave Spring Washer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M-3217 · May 20, 2024
- [AM-3485](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151878274520251216184156.0001): Bearing Cap, Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3485 · May 20, 2024
- [AM-3215](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151335825620251216184148.0001): Brush Assy, Distributor. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3215 · May 20, 2024
- [ES3548](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150971763920251216184224.0001): Machining, Rotating Magnet. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3548 · May 20, 2024
- [AM-3020](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID134367835920251216184146.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3020 · May 20, 2024

All of them: https://openairdocs.org/engine/lycoming-io-320-d1a/pma.md

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