# Lycoming IGSO-540-B1A

- Type: Engine model (FAA registry)
- Registry code: 41535
- Manufacturer (registry): LYCOMING
- Model: IGSO-540-B1A
- Engine type: Reciprocating
- Power: 380 hp
- Data sheet: [TCDS 1E7](https://openairdocs.org/tcds/1E7) (OpenAirDocs)
- Holder: Lycoming Engines
- Installed in: 48 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-igso-540-b1a

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 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 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 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 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 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 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 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 74-13-05](https://openairdocs.org/ad/74-13-05): Connecting Rod Assemblies · Lycoming Engines IGO-540-A1A, IGO-540-A1B, IGO-540-A1C and 10 more. Effective Jun 21, 1974
- [AD 72-21-06](https://openairdocs.org/ad/72-21-06): Crankcase Bearings · Lycoming Engines IGSO-540-A1A, IGSO-540-A1C, IGSO-540-A1D and 4 more. Effective Oct 17, 1972
- [AD 69-25-08](https://openairdocs.org/ad/69-25-08): Reduction Gear Assemblies · Lycoming Engines GO-435-C2A, GO-435-C2A2, GO-480-A1A and 61 more. Effective Feb 19, 1970
- [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 62-23-05](https://openairdocs.org/ad/62-23-05): Propeller Shaft Oil Seal Rings · Lycoming Engines GO-435-C2 (O-435-17), GO-435-C2A, GO-435-C2A2 and 49 more. Effective Nov 14, 1962

## Information bulletins (advisory) (2)

- [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

## Registered aircraft (48)

- [N103BA](https://openairdocs.org/aircraft/N103BA): [Bemidji Aviation Services Inc](https://openairdocs.org/faa-owner/BEMIDJI%20AVIATION%20SERVICES%20INC), [Bemidji, MN](https://openairdocs.org/faa-place/MN/Bemidji), built 1971, S/N LD-435
- [N112MF](https://openairdocs.org/aircraft/N112MF): [Mummy Mountain Med LLC](https://openairdocs.org/faa-owner/MUMMY%20MOUNTAIN%20MED%20LLC), [Paradise Valley, AZ](https://openairdocs.org/faa-place/AZ/Paradise%20Valley), built 1966, S/N LP-37
- [N114MN](https://openairdocs.org/aircraft/N114MN): [Sutton Aircraft Salvage LLC](https://openairdocs.org/faa-owner/SUTTON%20AIRCRAFT%20SALVAGE%20LLC), [Palmer, AK](https://openairdocs.org/faa-place/AK/Palmer), built 1965, S/N 1553-107
- [N117AG](https://openairdocs.org/aircraft/N117AG): S/N LP-20, N-number assigned, not yet registered
- [N129HA](https://openairdocs.org/aircraft/N129HA): [Hiller Aircraft Corp](https://openairdocs.org/faa-owner/HILLER%20AIRCRAFT%20CORP), [Firebaugh, CA](https://openairdocs.org/faa-place/CA/Firebaugh), built 1975, S/N HA3029
- [N131BA](https://openairdocs.org/aircraft/N131BA): [Bemidji Aviation Svcs Inc](https://openairdocs.org/faa-owner/BEMIDJI%20AVIATION%20SVCS%20INC), [Bemidji, MN](https://openairdocs.org/faa-place/MN/Bemidji), built 1966, S/N LD-297
- [N134BA](https://openairdocs.org/aircraft/N134BA): [Bemidji Aviation Svc Inc](https://openairdocs.org/faa-owner/BEMIDJI%20AVIATION%20SVC%20INC), [Bemidji, MN](https://openairdocs.org/faa-place/MN/Bemidji), built 1964, S/N LD-202
- [N135BA](https://openairdocs.org/aircraft/N135BA): [Bemidji Aviation Services Inc](https://openairdocs.org/faa-owner/BEMIDJI%20AVIATION%20SERVICES%20INC), [Bemidji, MN](https://openairdocs.org/faa-place/MN/Bemidji), built 1962, S/N LD-68
- [N198JW](https://openairdocs.org/aircraft/N198JW): [Garrison William E](https://openairdocs.org/faa-owner/GARRISON%20WILLIAM%20E), [Nickerson, KS](https://openairdocs.org/faa-place/KS/Nickerson), built 1962, S/N 680F-1132-75
- [N199WM](https://openairdocs.org/aircraft/N199WM): [Jetstream Ltd](https://openairdocs.org/faa-owner/JETSTREAM%20LTD), [Powell, OH](https://openairdocs.org/faa-place/OH/Powell), built 1964, S/N 1406-59
- [N2038W](https://openairdocs.org/aircraft/N2038W): [Yanagida Kazuaki](https://openairdocs.org/faa-owner/YANAGIDA%20KAZUAKI), [Norco, CA](https://openairdocs.org/faa-place/CA/Norco), built 1973, S/N LD-459
- [N2071M](https://openairdocs.org/aircraft/N2071M): [Budd Aircraft Enterprises Inc](https://openairdocs.org/faa-owner/BUDD%20AIRCRAFT%20ENTERPRISES%20INC), [Chesterfield, MO](https://openairdocs.org/faa-place/MO/Chesterfield), built 1977, S/N 28R-7837064
- [N227DS](https://openairdocs.org/aircraft/N227DS): [L & P Air LLC](https://openairdocs.org/faa-owner/L%20%26%20P%20AIR%20LLC), [Lees Summit, MO](https://openairdocs.org/faa-place/MO/Lees%20Summit), built 1957, S/N FH-74
- [N273PA](https://openairdocs.org/aircraft/N273PA): [Pantechnicon Aviation Ltd](https://openairdocs.org/faa-owner/PANTECHNICON%20AVIATION%20LTD), [Minden, NV](https://openairdocs.org/faa-place/NV/Minden), built 1973, S/N 4155
- [N2828S](https://openairdocs.org/aircraft/N2828S): [Suburban Air Express Inc](https://openairdocs.org/faa-owner/SUBURBAN%20AIR%20EXPRESS%20INC), [Fairbanks, AK](https://openairdocs.org/faa-place/AK/Fairbanks), built 1963, S/N 1329-14
- [N290MP](https://openairdocs.org/aircraft/N290MP): [Suburban Air Express Inc](https://openairdocs.org/faa-owner/SUBURBAN%20AIR%20EXPRESS%20INC), [Fairbanks, AK](https://openairdocs.org/faa-place/AK/Fairbanks), built 1965, S/N 1535-104
- [N309VS](https://openairdocs.org/aircraft/N309VS): [Sutton Aircraft Salvage LLC](https://openairdocs.org/faa-owner/SUTTON%20AIRCRAFT%20SALVAGE%20LLC), [Palmer, AK](https://openairdocs.org/faa-place/AK/Palmer), built 1967, S/N 1659-128
- [N385CG](https://openairdocs.org/aircraft/N385CG): [Owensboro Warehouse Leasing LLC](https://openairdocs.org/faa-owner/OWENSBORO%20WAREHOUSE%20LEASING%20LLC), [Owensboro, KY](https://openairdocs.org/faa-place/KY/Owensboro), built 1965, S/N 1495-14
- [N401MG](https://openairdocs.org/aircraft/N401MG): [Leff William J](https://openairdocs.org/faa-owner/LEFF%20WILLIAM%20J), [Dayton, OH](https://openairdocs.org/faa-place/OH/Dayton), built 1965, S/N 1527-29
- [N5035E](https://openairdocs.org/aircraft/N5035E): [Suburban Air Express Inc](https://openairdocs.org/faa-owner/SUBURBAN%20AIR%20EXPRESS%20INC), [Fairbanks, AK](https://openairdocs.org/faa-place/AK/Fairbanks), built 1968, S/N 1764-147
- [N512CS](https://openairdocs.org/aircraft/N512CS): [R Scott Hoffman/Silverado Transportation LLC](https://openairdocs.org/faa-owner/R%20SCOTT%20HOFFMAN%2FSILVERADO%20TRANSPORTATION%20LLC), [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell), built 1977, S/N 28R-7837048
- [N5189D](https://openairdocs.org/aircraft/N5189D): [Riverside Pipe LLC](https://openairdocs.org/faa-owner/RIVERSIDE%20PIPE%20LLC), [Farmington, NM](https://openairdocs.org/faa-place/NM/Farmington), built 2002, S/N T18208142
- [N55SA](https://openairdocs.org/aircraft/N55SA): [Bemidji Aviation Services Inc](https://openairdocs.org/faa-owner/BEMIDJI%20AVIATION%20SERVICES%20INC), [Bemidji, MN](https://openairdocs.org/faa-place/MN/Bemidji), built 1965, S/N LD-243
- [N6067H](https://openairdocs.org/aircraft/N6067H): [Milford Aviation Inc](https://openairdocs.org/faa-owner/MILFORD%20AVIATION%20INC), [Hoffman Estates, IL](https://openairdocs.org/faa-place/IL/Hoffman%20Estates), built 1977, S/N 28R-7837050
- [N6083H](https://openairdocs.org/aircraft/N6083H): [Aerotyne Aviation LLC](https://openairdocs.org/faa-owner/AEROTYNE%20AVIATION%20LLC), [Omaha, NE](https://openairdocs.org/faa-place/NE/Omaha), built 1977, S/N 28R-7837052
- [N6159H](https://openairdocs.org/aircraft/N6159H): [Jeva Ventures LLC](https://openairdocs.org/faa-owner/JEVA%20VENTURES%20LLC), [Charleston, SC](https://openairdocs.org/faa-place/SC/Charleston), built 1977, S/N 28R-7837055
- [N6253X](https://openairdocs.org/aircraft/N6253X): [Moudy James D](https://openairdocs.org/faa-owner/MOUDY%20JAMES%20D), [Fairhope, AL](https://openairdocs.org/faa-place/AL/Fairhope), built 1961, S/N 680F-1089-67
- [N6272X](https://openairdocs.org/aircraft/N6272X): [Prairie Aviation Museum Inc](https://openairdocs.org/faa-owner/PRAIRIE%20AVIATION%20MUSEUM%20INC), [Bloomington, IL](https://openairdocs.org/faa-place/IL/Bloomington), S/N 680F-1159-83
- [N630TA](https://openairdocs.org/aircraft/N630TA): [N630ta Corp](https://openairdocs.org/faa-owner/N630TA%20CORP), [Miami, FL](https://openairdocs.org/faa-place/FL/Miami), built 1962, S/N 1214-112
- [N6350U](https://openairdocs.org/aircraft/N6350U): [Weatherbird Ltd](https://openairdocs.org/faa-owner/WEATHERBIRD%20LTD), [New York, NY](https://openairdocs.org/faa-place/NY/New%20York), built 1965, S/N 1431-150, Registration revoked
- [N648DC](https://openairdocs.org/aircraft/N648DC): [Somerset Regional Water Resources](https://openairdocs.org/faa-owner/SOMERSET%20REGIONAL%20WATER%20RESOURCES), [Friedens, PA](https://openairdocs.org/faa-place/PA/Friedens), S/N LD-351
- [N6598L](https://openairdocs.org/aircraft/N6598L): [Atmospheric Corrosion Specialists Inc](https://openairdocs.org/faa-owner/ATMOSPHERIC%20CORROSION%20SPECIALISTS%20INC), [Mechanicsburg, PA](https://openairdocs.org/faa-place/PA/Mechanicsburg), built 1969, S/N 31-483
- [N680PL](https://openairdocs.org/aircraft/N680PL): [Dw Educational Research Inc](https://openairdocs.org/faa-owner/DW%20EDUCATIONAL%20RESEARCH%20INC), [Fowler, CA](https://openairdocs.org/faa-place/CA/Fowler), built 1961, S/N 680F-969-27
- [N680RR](https://openairdocs.org/aircraft/N680RR): [Nizex Inc](https://openairdocs.org/faa-owner/NIZEX%20INC), [Jackson, GA](https://openairdocs.org/faa-place/GA/Jackson), built 1963, S/N 1361-139
- [N6890Q](https://openairdocs.org/aircraft/N6890Q): [Soest Dean](https://openairdocs.org/faa-owner/SOEST%20DEAN), [Quartz Hill, CA](https://openairdocs.org/faa-place/CA/Quartz%20Hill), built 1965, S/N LD-224
- [N6AQ](https://openairdocs.org/aircraft/N6AQ): [Nyerges James](https://openairdocs.org/faa-owner/NYERGES%20JAMES), [Midland, TX](https://openairdocs.org/faa-place/TX/Midland), built 1964, S/N LD-214
- [N742W](https://openairdocs.org/aircraft/N742W): [Airborne Holdings Inc](https://openairdocs.org/faa-owner/AIRBORNE%20HOLDINGS%20INC), [Midlothian, TX](https://openairdocs.org/faa-place/TX/Midlothian), built 1966, S/N 680FL-1650
- [N747VW](https://openairdocs.org/aircraft/N747VW): [Hammer Aviation LLC](https://openairdocs.org/faa-owner/HAMMER%20AVIATION%20LLC), [Miami, FL](https://openairdocs.org/faa-place/FL/Miami), built 1967, S/N LD-360
- [N7502N](https://openairdocs.org/aircraft/N7502N): [Bemidji Aviation Services Inc](https://openairdocs.org/faa-owner/BEMIDJI%20AVIATION%20SERVICES%20INC), [Bemidji, MN](https://openairdocs.org/faa-place/MN/Bemidji), S/N LD-391
- [N7817L](https://openairdocs.org/aircraft/N7817L): [Nyerges James](https://openairdocs.org/faa-owner/NYERGES%20JAMES), [Midland, TX](https://openairdocs.org/faa-place/TX/Midland), built 1967, S/N LD-340
- [N800QA](https://openairdocs.org/aircraft/N800QA): [Citadelle Holdings LLC](https://openairdocs.org/faa-owner/CITADELLE%20HOLDINGS%20LLC), [Palmetto Bay, FL](https://openairdocs.org/faa-place/FL/Palmetto%20Bay), built 1962, S/N LD-29
- [N80RR](https://openairdocs.org/aircraft/N80RR): [Bemidji Aviation Services Inc](https://openairdocs.org/faa-owner/BEMIDJI%20AVIATION%20SERVICES%20INC), [Bemidji, MN](https://openairdocs.org/faa-place/MN/Bemidji), built 1966, S/N LD-296
- [N845YC](https://openairdocs.org/aircraft/N845YC): [Fruscella Alfredo J](https://openairdocs.org/faa-owner/FRUSCELLA%20ALFREDO%20J), [Tampa, FL](https://openairdocs.org/faa-place/FL/Tampa), built 1973, S/N 421B0351
- [N888JT](https://openairdocs.org/aircraft/N888JT): [Nyerges James](https://openairdocs.org/faa-owner/NYERGES%20JAMES), [Midland, TX](https://openairdocs.org/faa-place/TX/Midland), built 1966, S/N LP-21
- [N9011N](https://openairdocs.org/aircraft/N9011N): [Sutton Aircraft Salvage LLC](https://openairdocs.org/faa-owner/SUTTON%20AIRCRAFT%20SALVAGE%20LLC), [Palmer, AK](https://openairdocs.org/faa-place/AK/Palmer), built 1969, S/N 1836-153
- [N9155Y](https://openairdocs.org/aircraft/N9155Y): [Get There LLC](https://openairdocs.org/faa-owner/GET%20THERE%20LLC), [Boise, ID](https://openairdocs.org/faa-place/ID/Boise), built 1992, S/N 27-0136
- [N91595](https://openairdocs.org/aircraft/N91595): [Ristrim Eric](https://openairdocs.org/faa-owner/RISTRIM%20ERIC), [Henderson, NV](https://openairdocs.org/faa-place/NV/Henderson), built 1992, S/N 27-0137
- [N9287Y](https://openairdocs.org/aircraft/N9287Y): [Gallagher James](https://openairdocs.org/faa-owner/GALLAGHER%20JAMES), [Wyoming, PA](https://openairdocs.org/faa-place/PA/Wyoming), built 1969, S/N 31-380

## NTSB investigations (97, 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 CEN21LA101](https://openairdocs.org/ntsb/CEN21LA101), Dec 29, 2020: Beech 65-A80-8800 (N134BA), Alexandria, MN, substantial damage. Probable cause: The pilot’s decision to attempt takeoff with frost covering the airplane and rotating below the published rotation speed, which led to exceedance of the airplane’s critical angle of attack and an…
- [NTSB WPR19FA175](https://openairdocs.org/ntsb/WPR19FA175), Jun 18, 2019: Robinson R44 (N7187D), Two Harbors, CA, destroyed, 1 fatal. Probable cause: The pilot's continued visual flight into instrument meteorological conditions, which resulted in controlled flight into terrain.
- [NTSB ERA18LA073](https://openairdocs.org/ntsb/ERA18LA073), Jan 27, 2018: Aero Commander 680 F (N900L), Lapine, AL, substantial damage. Probable cause: The pilot's failure to maintain directional control during takeoff after a total loss of left engine power due to fuel contamination, which resulted in impact with trees. Contributing to the accident…
- [NTSB GAA16CA113](https://openairdocs.org/ntsb/GAA16CA113), Jan 23, 2016: Cessna TR182 (N757FS), Prescott, AZ, substantial damage. Probable cause: The pilot's failure to extend the landing gear prior to landing, which resulted in substantial damage to the fuselage during landing.
- [NTSB WPR11FA078](https://openairdocs.org/ntsb/WPR11FA078), Dec 20, 2010: Aero Commander 680FL (N316KW), Perris, CA, substantial damage, 1 fatal. Probable cause: The pilot’s decision to continue visual flight into instrument meteorological conditions, which resulted in an in-flight collision with mountainous terrain.
- [NTSB CEN09CA433](https://openairdocs.org/ntsb/CEN09CA433), Jul 11, 2009: Aero Commander 680-F (N70QT), Angel Fire, NM, substantial damage. Probable cause: The pilot's failure to maintain directional control during the initial takeoff.
- [NTSB DFW08CA194](https://openairdocs.org/ntsb/DFW08CA194), Jul 17, 2008: Beech 65-A80 (N6AQ), Midland, TX, substantial damage. Probable cause: The failure of the landing gear retraction/extension mechanism due to it being jammed by displaced sound proofing material.
- [NTSB NYC08FA012](https://openairdocs.org/ntsb/NYC08FA012), Oct 14, 2007: Aero Commander 560-F (N6370U), Wiley Ford, WV, destroyed, 4 fatal. Probable cause: A partial power loss in the right engine due to the failure of the number one exhaust valve, and the airplane's inability to maintain a climb on one engine for unknown reasons. Contributing to the…
- [NTSB CHI01LA082](https://openairdocs.org/ntsb/CHI01LA082), Feb 8, 2001: Beech 65-B80 (N107BA), Sioux Falls, SD, substantial damage. Probable cause: The pilot initiated the flight into known icing conditions which resulted in his ability to maintain control of the airplane. Factors associated with the accident were the ice accumulation and the…
- [NTSB LAX00LA064](https://openairdocs.org/ntsb/LAX00LA064), Dec 26, 1999: Beech 65-80 (N184R), Mesa, AZ, substantial damage. Probable cause: The collapse of a main landing gear due to damage from a hard landing at an undetermined time.
- [NTSB CHI99LA008](https://openairdocs.org/ntsb/CHI99LA008), Oct 17, 1998: Beech 65-B80 (N138BA), Brainerd, MN, substantial damage. Probable cause: the pilot's failure to maintain the proper glidepath and his diversion of attention during a critical phase of flight.
- [NTSB NYC98LA125](https://openairdocs.org/ntsb/NYC98LA125), Jun 5, 1998: Beech BE 65-80 (N215AB), Malone, NY, destroyed. Probable cause: The pilot's failure to follow emergency procedures, and his failure to maintain control of the airplane after a loss of power from one engine. Factors include fuel filter blockage, inadequate…
- [NTSB SEA98LA073](https://openairdocs.org/ntsb/SEA98LA073), May 9, 1998: Aero Commander 500-A (N9382R), Billings, MT, substantial damage. Probable cause: Failure of the main landing gear strut outer-body to inner-body needle bearing from the lack of lubrication and the development of corrosion. An inadequate manufacturer's inspection program was a…
- [NTSB CHI95LA287](https://openairdocs.org/ntsb/CHI95LA287), Aug 20, 1995: Beech 65-B80 (N8347N), Anderson, IN, substantial damage. Probable cause: seizure of the landing gear wheel bearing and separation of the landing gear outer wheel-half and tire from the aircraft after which directional control of the aircraft by the pilot was not possible.
- [NTSB CHI95FA124](https://openairdocs.org/ntsb/CHI95FA124), Apr 12, 1995: Beech 65-B80 (N7057J), Great Bend, ND, destroyed, 1 fatal. Probable cause: the pilot/mechanic's inadequate maintenance (inspection) of aircraft and the pilot's failure to maintain airspeed (VMC). Factors were icing conditions, deteriorated induction air ducting, and failure…
- [NTSB MIA94LA149](https://openairdocs.org/ntsb/MIA94LA149), May 23, 1994: Beech 65 (N6166Y), Pensacola, FL, minor damage. Probable cause: IMPROPER INSTALLATION OF NUTS ON THE NOSEWHEEL (SPLIT RIM) THROUGH-BOLTS BY UNKNOWN PERSONNEL, WHICH RESULTED IN A SUBSEQUENT FAILURE (SEPARATION OF THE WHEEL HALVES).
- [NTSB FTW93WA270](https://openairdocs.org/ntsb/FTW93WA270), Jun 3, 1993: Aero Commander 680F (N8676D), Chihuahua, Mexico, destroyed, 3 fatal
- [NTSB LAX93FA045](https://openairdocs.org/ntsb/LAX93FA045), Oct 29, 1992: Beech D50A (N102F), Ely, NV, destroyed, 2 fatal. Probable cause: 1) THE PILOTS DECISION TO ATTEMPT VFR FLIGHT INTO INSTRUMENT METEOROLOGICAL CONDITIONS, WHICH INCLUDED MOUNTAIN OBSCUREMENT AND SEVERE MIXED ICING, AND, 2) HIS FAILURE TO MAINTAIN CONTROL OF THE…
- [NTSB MIA91LA151](https://openairdocs.org/ntsb/MIA91LA151), May 25, 1991: Beech 80 (N5128Y), Fort Lauderdale, FL, destroyed. Probable cause: THE IMPROPER MAINTENANCE WORK BY AN UNKNOWN PERSON WHO CROSSTHREADED A FUEL NOZZLE INJECTOR FITTING WHICH ALLOWED FUEL TO LEAK ON THE EXHAUST SYSTEM INITIATING A FIRE. NO REASON FOR THE RIGHT ENGINE…
- [NTSB MKC90LA039](https://openairdocs.org/ntsb/MKC90LA039), Dec 13, 1989: Beech 80 (N525GT), Cape Girardeau, MO, substantial damage. Probable cause: AN INOPERATIVE LANDING GEAR EXTENSION SYSTEM DUE TO FAILURE OF AN ELECTRIC MOTOR AND A MISPLACED EMERGENCY CRANK HANDLE.
- [NTSB LAX89FA307](https://openairdocs.org/ntsb/LAX89FA307), Sep 11, 1989: Aero Commander 680FLP (N22LR), Kailua-Kona, HI, destroyed, 1 fatal. Probable cause: INADEQUATE MAINTENANCE, AND OPERATION BY THE PILOT WITH KNOWN DEFICIENCIES IN THE AIRCRAFT. FACTORS RELATED TO THE ACCIDENT WERE: EXCESSIVE WEAR IN BOTH ENGINES, IMPROPER USE OF POWERPLANT CONTROLS…
- [NTSB FTW89LA077](https://openairdocs.org/ntsb/FTW89LA077), Apr 1, 1989: Gulfstream 680FLP (N721F), Lohn, TX, destroyed. Probable cause: ARSON UNDERTAKEN TO CONCEAL ILLEGAL ACTIVITY.
- [NTSB MIA88LA104](https://openairdocs.org/ntsb/MIA88LA104), Feb 7, 1988: Beech 65-88 (N884G), destroyed, 2 fatal. Probable cause: Undetermined.
- [NTSB MKC88FA028](https://openairdocs.org/ntsb/MKC88FA028), Dec 16, 1987: Aero Commander 680FL (N6509V), Kansas City, MO, substantial damage
- [NTSB FTW87LA176](https://openairdocs.org/ntsb/FTW87LA176), Jul 26, 1987: Piper PA28R-201 (N6083H), Houston, TX, substantial damage
- [NTSB DEN87FA066](https://openairdocs.org/ntsb/DEN87FA066), Mar 13, 1987: Rockwell 680FL (N4581E), Basalt, CO, destroyed
- [NTSB FTW87FA045](https://openairdocs.org/ntsb/FTW87FA045), Jan 15, 1987: Beech 65-80 (N1590S), Brownsville, TX, substantial damage
- [NTSB MIA86LA011](https://openairdocs.org/ntsb/MIA86LA011), Oct 12, 1985: Beech 65A-80 (N8000R), Ochopee, FL, substantial damage
- [NTSB DCA85AA012](https://openairdocs.org/ntsb/DCA85AA012), Feb 4, 1985: Beech 65-A80 (N50NP), Soldotna, AK, destroyed, 9 fatal
- [NTSB MIA84FA163](https://openairdocs.org/ntsb/MIA84FA163), May 8, 1984: Beech 65-80 (N741H), Opa Locka, FL, substantial damage
- [NTSB ATL84FLT04](https://openairdocs.org/ntsb/ATL84FLT04), Feb 20, 1984: Aero Commander 680F (N6000F), Charleston, TN, substantial damage
- [NTSB ATL84FKG01](https://openairdocs.org/ntsb/ATL84FKG01), Oct 13, 1983: Beech 65-A80 (N62TG), Edison, GA, substantial damage
- [NTSB FTW83FA299](https://openairdocs.org/ntsb/FTW83FA299), Jun 28, 1983: Aero Commander 680-F (N6139X), Norman, OK, destroyed, 2 fatal
- [NTSB ATL83LA092](https://openairdocs.org/ntsb/ATL83LA092), Jan 31, 1983: Beech 65-80 (N2711J), Brodnax, VA, substantial damage
- [NTSB CHI82IA102](https://openairdocs.org/ntsb/CHI82IA102), Mar 26, 1982: Beech 65-88 (N20HR), Kalamazo, MI, incident, minor damage
- [NTSB MIA81FA102](https://openairdocs.org/ntsb/MIA81FA102), Jul 28, 1981: Beech 65-B80 (N1028C), Groveland, FL, destroyed, 2 fatal
- [NTSB LAX81DXQ21](https://openairdocs.org/ntsb/LAX81DXQ21), Jul 17, 1981: Beech 65-80 (N6867Q), Gerlach, NV, destroyed
- [NTSB ATL81FA062](https://openairdocs.org/ntsb/ATL81FA062), Apr 10, 1981: Beech 65-B80 (N3768Z), Pine Knot, KY, destroyed, 2 fatal
- [NTSB LAX81FA031](https://openairdocs.org/ntsb/LAX81FA031), Dec 10, 1980: Beech 65-88 (N884S), Goleta, CA, substantial damage
- [NTSB ATL81FLG02](https://openairdocs.org/ntsb/ATL81FLG02), Oct 17, 1980: Aero Comdr 680FLP (N1167Z), Columbia, SC, destroyed
- [NTSB MIA80FLD96](https://openairdocs.org/ntsb/MIA80FLD96), Sep 7, 1980: Beech 65-B80 (N242Q), Lake Marion, FL, destroyed
- [NTSB MIA80DA094](https://openairdocs.org/ntsb/MIA80DA094), Aug 25, 1980: Beech 65-80 (N218K), Pt.Maria (Gulf of Mexico), destroyed, 1 fatal
- [NTSB LAX80FVD32](https://openairdocs.org/ntsb/LAX80FVD32), Aug 2, 1980: Aero Comdr 680FLP (N27VF), Emeryville, CA, substantial damage
- [NTSB FTW80FA096](https://openairdocs.org/ntsb/FTW80FA096), Jul 25, 1980: Aero Comdr 680FLP (N6515V), Iola, TX, destroyed, 2 fatal
- [NTSB MIA80FLD52](https://openairdocs.org/ntsb/MIA80FLD52), Apr 6, 1980: Beech 65-80 (N717Q), Sebring, FL, destroyed
- [NTSB MIA80FLA17](https://openairdocs.org/ntsb/MIA80FLA17), Mar 15, 1980: Aero Comdr 680F (N2302P), N Smyrna Beach, FL, substantial damage
- [NTSB MIA80FA032](https://openairdocs.org/ntsb/MIA80FA032), Feb 14, 1980: Aero Comdr 680FL (N662B), Sebring, FL, destroyed, 2 fatal
- [NTSB LAX80FJA01](https://openairdocs.org/ntsb/LAX80FJA01), Oct 5, 1979: Beech 65-80 (N1590S), Princeville, HI, substantial damage
- [NTSB IAD79IA066](https://openairdocs.org/ntsb/IAD79IA066), Aug 7, 1979: Beech 65-80 (N99FA), Washington, DC, incident, minor damage
- [NTSB LAX79FUJ77](https://openairdocs.org/ntsb/LAX79FUJ77), May 29, 1979: Aero Comdr 680-FL (N783EF), Phoenix, AZ, substantial damage

All 97: https://openairdocs.org/engine/lycoming-igso-540-b1a/ntsb.md

## FAA accident and incident reports (175, 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 20201228016479A](https://openairdocs.org/incident/20201228016479A), Dec 28, 2020: Beech 65-A80-8800 (N134BA), Alexandria, MN, Substantial damage. 2020-12-28, N134BA, a Beechcraft queen air landed in Alexandria (kaxn), MN at 1608L in the daylight. The PIC proceeded to depart the airport and arrived back…
- [Incident 20200610008039I](https://openairdocs.org/incident/20200610008039I), Jun 10, 2020: Beech 65-80 (N135BA), Burlington, CO, Minor damage. The pilot reported smoke in cockpit shortly after leveling off at 10,000 ft. he declared an emergency with denver center, shut off all of his…
- [Incident 20191108022749I](https://openairdocs.org/incident/20191108022749I), Nov 8, 2019: Mooney M20M (N9155Y), Nampa, ID, Minor damage. The airman was receiving flight training at his base airport, kman. The pilot stated that the instructor was teaching him how to more accurately hit his…
- [Incident 20190903016689I](https://openairdocs.org/incident/20190903016689I), Sep 3, 2019: Beech 65-A80 (N55SA), Minneapolis, MN, Minor damage. While taxiing at msp, N55SA failed to give way to a 757, so ground control instructed him to make a 180, and during the turn, the left propeller stuck a…
- [Accident 20190617007389A](https://openairdocs.org/incident/20190617007389A), Jun 17, 2019: Robinson Helicopter R44 (N7187D), Catalina Island, CA, Destroyed, 1 fatal. According to air data, pilot departed torrance (toa) for avalon (avx) at 1650 LCL. The aircraft goes off radar at 1720. Flight speed at impact was 117 knots.…
- [Accident 20180127001249A](https://openairdocs.org/incident/20180127001249A), Jan 27, 2018: Aero Commander 680-F (N900L), Lapine, AL, Substantial damage. On departure roll, pilot claims that the left engine failed, resulting in an uncommanded turn to the left. Airplane left the hard surface into soft ground,…
- [Incident 20170329011039I](https://openairdocs.org/incident/20170329011039I), Mar 29, 2017: Cessna TR182 (N757FS), Seligman, AZ, Minor damage. On March 29, 2017, the airman was operating a Cessna TR-182 (N757FS) on a personal flight from prescott, AZ (kprc) to Seligman Airport (P23) under FAR part 91.…
- [Accident 20160123001999A](https://openairdocs.org/incident/20160123001999A), Jan 23, 2016: Cessna TR182 (N757FS), Prescott, AZ, Substantial damage. On January 25, 2016 at approximately 1420 local time N757FS attempted a landing in a Cessna 182RG with complex gear at Prescott municipal airport (prc) in…
- [Incident 20150701010869I](https://openairdocs.org/incident/20150701010869I), Jul 1, 2015: Aero Commander 680-F (N6253X), Hayward, CA, Substantial damage. Pilot in command (PIC) was landing his aircraft N6253X on runway 28L at the Hayward airport (hwd). During landing the pilot did not lower the landing gear and…
- [Accident 20101220054419A](https://openairdocs.org/incident/20101220054419A), Dec 20, 2010: Aero Comman 680FL (N316KW), Perris, CA, Destroyed, 1 fatal. December 20, 2010, 1000 PST. Aero commander 680FL, N316KW, operated by the owner/pilot under the provisions of 14 CFR part 91, flew into terrain at an…
- [Accident 20090711013629A](https://openairdocs.org/incident/20090711013629A), Jul 11, 2009: Gulstm 680F (N70QT), Angel Fire, NM, Substantial damage. (-23) Pilot applied takeoff power, released brakes and started takeoff roll on runway 35 at angle Fire, NM airport (axx). At bottom of white arc, pilot pulled…
- [Accident 20080717841149A](https://openairdocs.org/incident/20080717841149A), Jul 17, 2008: Beech 65A80 (N6AQ), Midland, TX, Substantial damage. (-23) On July 17, 2008, at approximately 0921 CDT, N6AQ, a 1964 Beechcraft queen air, BE-65-A80-8800, operated by western air express, inc. (WX5A), landed on…
- [Incident 20080516833619I](https://openairdocs.org/incident/20080516833619I), May 16, 2008: Beech 65A80 (N6AQ), Midland, TX, Minor damage. (-23) On may 16, 2008, at 2357 CDT, the pilot of N6AQ, a model 65 Beechcraft queen air, was maneuvering near Midland International Airport (maf) when the pilot…
- [Accident 20071013823869A](https://openairdocs.org/incident/20071013823869A), Oct 13, 2007: Gulstm 560F (N6370U), Wiley Ford, WV, Destroyed, 4 fatal. (-23) At approximately 1035 hours on October 14, 2007, N6370U departed cumberland airport (cme), VMC, and crashed four miles southeast of the airport. Aircraft…
- [Incident 20070423011959I](https://openairdocs.org/incident/20070423011959I), Apr 23, 2007: Gulstm 680FLP (N385CG), Baton Rouge, LA, No damage. (-23) Aircraft had departed on local VFR flight and was operating under FAR 91 flight rules. Aircraft had recently undergone major maintenance on the left…
- [Incident 20060214009229I](https://openairdocs.org/incident/20060214009229I), Feb 14, 2006: Beech 65A80 (N55SA), Bemidji, MN, Minor damage. (-23) Aircraft departed fergus falls, MN to the minneapolis, MN airport (msp). On final approach the landing gear handle was positioned to the down position…
- [Incident 20041029028119I](https://openairdocs.org/incident/20041029028119I), Oct 29, 2004: Mooney M20M (N91595), Truckee, CA, Minor damage. (-23) The pilot departed rhv at about 6:50 pm for a VFR flight to trk. Upon arrival at trk, the pilot noted a thin layer of fog that was developing at the…
- [Incident 20040821020189I](https://openairdocs.org/incident/20040821020189I), Aug 21, 2004: Gulstm 680FL (N199WM), London, OH. (-23) Pilot stated he departed springfield oh (sgh) enroute to Delaware oh (dlz) and diverted to London oh (uyf) when he ran low on fuel. During approach to…
- [Incident 20040229006089I](https://openairdocs.org/incident/20040229006089I), Feb 29, 2004: Gulstm 680F (N680RR), San Diego, CA, Minor damage. (-23) Pilot was concluding an IFR flight from hhr (hawthorne) to myf (Montgomery field). Following ILS approach to runway 28R, pilot touched down and employed…
- [Incident 20020322006909I](https://openairdocs.org/incident/20020322006909I), Mar 22, 2002: Cessna TR182 (N757FS), Las Vegas, NV, Minor damage. (-23) Pilot/owner stated that he might have accidentally bump the landing gear handle in the up position.
- [Incident 20020226002909I](https://openairdocs.org/incident/20020226002909I), Feb 26, 2002: Gulstm 500A (N9382R), Billings, MT. (-23) During cruise at 12,000 ft. the LH engine began to surge and the aircraft yawed left and the pilot noticed the left engine running rough. Occurrence…
- [Incident 20010831030229I](https://openairdocs.org/incident/20010831030229I), Aug 31, 2001: Beech 65B80 (N131BA), Marshall, MN, Minor damage. (-23) 08/31/2001 On landing roll out at Marshall, MN, pilot reached for the wing flap control to raise them. He assumes that he moved the landing gear handle…
- [Accident 20010207009979A](https://openairdocs.org/incident/20010207009979A), Feb 7, 2001: Beech 65B80 (N107BA), Sioux Falls, SD, No damage. (.19)On February 7, 2001, at 2030 central standard time, a Beech 65-B80, N107BA, operated by bemidji aviation services, as bemidji flight 25, collided with…
- [Incident 20000612011499I](https://openairdocs.org/incident/20000612011499I), Jun 12, 2000: Piper PA31310 (N5JX), Asheville, NC, Substantial damage. (-23) On Wednesday may 10, 2000, at approximately 2027Z, a Piper (N5JX) was attempting to land at the Asheville airport. The pilot states that the nose gear…
- [Accident 19991226037189A](https://openairdocs.org/incident/19991226037189A), Dec 26, 1999: Beech 6580 (N184R), Mesa, AZ, Substantial damage. (.19) On December 26, 1999, about 1242 hours mountain standard time, a Beech 65-80, N184R, owned and operated by the pilot, experienced the collapse of its…
- [Incident 19990831035429I](https://openairdocs.org/incident/19990831035429I), Aug 31, 1999: Gulstm 680FL (N4584E), Morristown, NJ, Minor damage. (-23) Mr. Bechara lost power on the left engine while in cruise flight VFR at 6500 feet and shut the engine down. He asked N90 for radar vectors to the nearest…
- [Incident 19990724022729I](https://openairdocs.org/incident/19990724022729I), Jul 24, 1999: Gulstm 680FL (N6509V), Omaha, NE. (-23) On July 24, 1999, approx. 2345 CDT, commander 680FL, N6509V, s/n 1640-121 departed Eppley Airfield (oma), Omaha, NE, under suburban air freight, inc.,…
- [Incident 19990420017081I](https://openairdocs.org/incident/19990420017081I), Apr 20, 1999: Gulstm 680FL (N5035E), Omaha, NE, Minor damage. On 04/20/1999, approximately 2037 CDT, N5035E, experienced a failure of the nose landing gear strut attach fitting while taxiing off runway 36, to taxiway…
- [Incident 19990328015019I](https://openairdocs.org/incident/19990328015019I), Mar 28, 1999: Gulstm 680FL (N114MN), Waterloo, IA. On March 28, 1999, commander 680FL, N114MN, jdwa flight 415, experienced a brief loss of hydraulic power while enroute from moline, IL, to cedar rapids, IA.…
- [Incident 19990312039109I](https://openairdocs.org/incident/19990312039109I), Mar 12, 1999: Beech 65B80 (N900NH), Keystone Height, FL, Minor damage. Pilot forgot to lower landing gear: aircraft landed gear up. Minor damage.
- [Accident 19981017029469A](https://openairdocs.org/incident/19981017029469A), Oct 17, 1998: Beech 65B80 (N138BA), Brainerd, MN, Substantial damage. (.19) On October 17, 1998, at 0033 central daylight time, a Beech 65-B80, N138BA, registered to bemidji aviation services, inc. of bemidji, Minnesota, and…
- [Incident 19981012033919I](https://openairdocs.org/incident/19981012033919I), Oct 12, 1998: Gulstm 680FL (N309VS), Omaha, NE. On 10/12/98, approximately 2315 CDT, N309VS departed Eppley Airfield, Omaha, NE, while engaged in FAR 135 cargo operations for suburban air freight inc.…
- [Incident 19981007033929I](https://openairdocs.org/incident/19981007033929I), Oct 7, 1998: Gulstm 680FL (N31P), Indianapolis, IN. On 10/07/98, N31P departed Indianapolis nternational (ind), IN, or cedar rapids, IA. While climbing to 3000 ft AGL, the PIC observed a loss of engine power.…
- [Incident 19980812038189I](https://openairdocs.org/incident/19980812038189I), Aug 12, 1998: Amd FALCON (N277R), Jamestown, NY, Minor damage. (-5) Aircraft departed under part 91 for yip. Crew selected gear up and noted left-hand gear door unlocked light stayed illuminated. Crew cycled gear,left-hand…
- [Incident 19980714028449I](https://openairdocs.org/incident/19980714028449I), Jul 14, 1998: Gulstm 680FL (N309VS), Aurora, NE, Minor damage. On July 14, 1998, approximately 0001 CDT, commander 680FL, N309VS, experienced a rapid loss of engine RPM while enroute from grand island, NE, to omaha, NE,…
- [Accident 19980605012459A](https://openairdocs.org/incident/19980605012459A), Jun 5, 1998: Beech 6580 (N215AB), Malone, NY, Destroyed. (-23)Pilot stated that while entering the Malone airport traffic area he lost power to one or both engines. The pilot was unable to maintain control and…
- [Accident 19980509015569A](https://openairdocs.org/incident/19980509015569A), May 9, 1998: Gulstm 500A (N9382R), Billings, MT, Substantial damage. (-23) Left main landing gear would not extend or retract. Upon landing, left gear collapsed with resulting damage to underside of aircraft. The cause of…
- [Incident 19971114041609I](https://openairdocs.org/incident/19971114041609I), Nov 14, 1997: Gulstm 680FL (N5035E), Alliance, NE. Narrative: on November 14, 1997, approximately 0305 CST, suburban air freight, inc., Gulfstream commander 680FL, N5035E, experienced a loss of oil pressure…
- [Incident 19971024041539I](https://openairdocs.org/incident/19971024041539I), Oct 24, 1997: Gulstm 680FL (N31P), North Platte, NE, Minor damage. Narrative: on October 24, 1997, Gulfstream 680 FL, N31P, experienced a loss of left hand engine oil pressure while enroute from denver international airport,…
- [Incident 19970912035229I](https://openairdocs.org/incident/19970912035229I), Sep 12, 1997: Beech 65A808800 (N134BA), Alexandria, MN, Minor damage. Narrative: on September 12, 1997 at 1900 CDT, N134BA, BE-65-A80-8800, operated by bemidji aviation services, inc. (bema) piloted by [privacy data omitted]…
- [Incident 19970712041729I](https://openairdocs.org/incident/19970712041729I), Jul 12, 1997: Beech 6580 (N112MF), Cleveland, OH. Narrative: pilot operating VFR distracted by pressurization and auto pilot problem. Penetrated class b airspace on descent.
- [Incident 19970422012749I](https://openairdocs.org/incident/19970422012749I), Apr 22, 1997: Beech 65B80 (N95HM), Christiansted, U.S. Virgin Islands, Substantial damage. Narrative: see accompanying sheet for pilot statement. Damage to aircraft: engine broke from top lord mounts. Fire caused substantial damage to engine and…
- [Incident 19970219004529I](https://openairdocs.org/incident/19970219004529I), Feb 19, 1997: Gulstm 680FL (N6509V), Waterloo, IA. Narrative: on February 19, 1997, approximately 2230 CST, commander 680FL, N6509V, experienced high oil temperature and low oil pressure approximately 10…
- [Incident 19961014032159I](https://openairdocs.org/incident/19961014032159I), Oct 14, 1996: Gulstm 680FLP (N662DJ), Las Vegas, NV, Minor damage. Narrative: pilot stated he departed kremling, Colorado approximately 21/2 hours earlier in VFR conditions. Before departure aircraft was completely serviced…
- [Incident 19960601021209I](https://openairdocs.org/incident/19960601021209I), Jun 1, 1996: Gulstm 680FL (N114MN), North Platte, NE. Narrative: on June 1, 1996, approximately 0615 CDT following departure from the denver international airport, commander 680FL, N114MN, experienced a loss of…
- [Incident 19960601018579I](https://openairdocs.org/incident/19960601018579I), Jun 1, 1996: Gulstm 680FL (N31P), North Platte, NE, Minor damage. Narrative: pilot forgot to lower landing gear. This incident is closed with this report.
- [Incident 19951228045049I](https://openairdocs.org/incident/19951228045049I), Dec 28, 1995: Gulstm 680FL (N290MP), Omaha, NE. Narrative: on December 27, 1995, the pilot in command 680FL, N290MP, was on approach to grand island, NE, but he failed to get 3 green gear down indicator…
- [Incident 19951201045939I](https://openairdocs.org/incident/19951201045939I), Dec 1, 1995: Mooney M20M (N9155Y), Poplar Bluff, MO, Minor damage. Narrative: Mr. England phoned the st. louis FSDO on December 1, 1995, to report that he had just made a gear-up landing at pof in N9155Y, a Mooney M20-M. He…
- [Accident 19950820025729A](https://openairdocs.org/incident/19950820025729A), Aug 20, 1995: Beech 65B80 (N8347N), Anderson, IN, Substantial damage. Lost directional control on takeoff skidded sideways off runway. Folded main gear. Wheel assembly broke up. (-23) aircraft started a take off with eleven…
- [Incident 19950718027329I](https://openairdocs.org/incident/19950718027329I), Jul 18, 1995: Gulstm 680FL (N290MP), Omaha, NE. On climbout left engine surging. Secured and returned. NR6 cylinder exhaust valve failed.

All 175: https://openairdocs.org/engine/lycoming-igso-540-b1a/incidents.md

## Service difficulty reports (8)

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

- [SDR BEMA202012280001](https://openairdocs.org/sdr/BEMA202012280001), Dec 28, 2020: ALTERNATOR. BURNED OUT. ALTERNATOR IN THE NR 1 POSITION FAILED IN FLIGHT. THE MAIN POWER STUD IS ATTACHED TO A PORTION OF THE RECTIFIER PLATE JUST AFTER A 90 DEGREE BEND, BROKE OFF AND
- [SDR 2010F00131](https://openairdocs.org/sdr/2010F00131), Jun 2, 2010: CYLINDER. SEPARATED. FAILURE OF LOWER UNIT CYL NR 5, SEPARATED FROM CRANKCASE.
- [SDR 2008FA0000353](https://openairdocs.org/sdr/2008FA0000353), May 16, 2008: SHAFT. LACK OF LUBE. NOSE LANDING GEAR WOULD NOT DEPLOY ON APPROACH TO LANDING. AFTER NLG REMOVAL, IT WAS DISCOVERED THAT THE NLG ACTUATOR DRIVE SHAFT PN 50820218 INTERNAL SPLINE WA
- [SDR KZ52002F00003](https://openairdocs.org/sdr/KZ52002F00003), Oct 1, 2002: GEAR. STRIPPED. GEAR ON END OF ARMATURE STRIPPED CAUSING FLAPS TO BE INOPERATIVE, ALSO CAUSED CONTAMINATION TO FLAP GEARBOX.
- [SDR 98ZZZX4007](https://openairdocs.org/sdr/98ZZZX4007), Jun 26, 1998: VALVE. FAILED. BIL - PILOT REPORTED A LOSS OF MANIFOLD PRESSURE ON THE LT ENGINE IN CRUISE AND OIL LEAKING FROM LT ENGINE AFTER SHUT DOWN IN BILLINGS. AIRCRAFT LANDED WITHOUT 
- [SDR 98ZZZX4008](https://openairdocs.org/sdr/98ZZZX4008), Jun 10, 1998: CYLINDER. CRACKED. FCA - FLT 5032 - PILOT OBSERVED NR 2 TURBO QUIT ON APPROACH, ENGINE MADE KNOCKING SOUND, AND PILOT SHUT DOWN NR 2 ENGINE. NO EMERGENCY DECLARED. AIRCRAFT LANDED
- [SDR CA960222024](https://openairdocs.org/sdr/CA960222024), Feb 1, 1996: MAGNETO. FAULTY. (CAN) WHILE COMPLYING WITH SB 643 AT FOUR YEAR INTERVAL OR ONE TIME ENGINE, IT WAS DISCOVERED BOTH MAGNETOS WERE IN NEED OF REPLACEMENT. THERE WERE NO RECORDS S
- [SDR 95ZZZX5753](https://openairdocs.org/sdr/95ZZZX5753), Jun 27, 1995: CRANKSHAFT. FAILED. WHILE IN CRUISE FLIGHT, THE RIGHT ENGINE QUIT. THE PROP CONTINUED TO WINDMILL. THE PILOT FEATHERED THE PROP AND SECURED RIGHT ENGINE. AN EMERGENCY LANDING WAS C

## STCs that may be installed (OpenAirDocs) (19)

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 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 SE03309CH](https://openairdocs.org/stc/SE03309CH): Installation of Engine Preheat Kit, p/n TSP6CYL-2927-115 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 SE1339SW](https://openairdocs.org/stc/SE1339SW): Modify pistons to Drawings 11007 and 11015; piston rings. Continental Motors, Inc
- [STC SE4408SW](https://openairdocs.org/stc/SE4408SW): Miscellaneous engine cylinder replacement parts. Continental Motors, Inc. Lists IGSO-540 Series
- [STC SE7669SW](https://openairdocs.org/stc/SE7669SW): Installation of parts listed on Airmotive List 8810-3, Rev 6. Continental Motors, Inc. Lists IGSO-540 Series
- [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc. Lists IGSO-540 Series
- [STC SE7502SW](https://openairdocs.org/stc/SE7502SW): Installation of any or all parts listed on Airmotive Engineering Drawing List No. 852-1, Rev. 1, dated 10/4/88, or later FAA approved revision. Continental Motors, Inc. Lists IGSO-540 Series
- [STC SE1779NM](https://openairdocs.org/stc/SE1779NM): Installation of Precise Flight, Inc. Standby Vacuum System SVS III. Precise Flight Inc
- [STC SE00890LA](https://openairdocs.org/stc/SE00890LA): 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 IGSO-540 Series
- [STC SE8023SW](https://openairdocs.org/stc/SE8023SW): Installation and usage of AEROSHELL. Shell Development Co. Lists IGSO-540 Series
- [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp. Lists IGSO-540 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 IGSO-540 Series
- [STC SE5924SW](https://openairdocs.org/stc/SE5924SW): Installation of stainless steel replacement exhaust studs on AVCO engines. Perrigo & Steele Aircraft Engr Company. Lists IGSO-540 Series
- [STC SE128NE](https://openairdocs.org/stc/SE128NE): Use of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines. AMS/OIL. Lists IGSO-540 Series
- [STC SE44WE](https://openairdocs.org/stc/SE44WE): Use of Kling Aviation Oil, Specifications KL-100, KL-200 and KL-300 in Continental and Lycoming engines. Kling Oil Company. Lists IGSO-540 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.

- [ES-349310-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID195375923720251216184352.0001): Magneto Assembly, S-1200 Series, 6 Cyl. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces LW-349310-4, LW-349310-4D… · Nov 10, 2025
- [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
- [ES10-349247](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
- [ES-349290-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID142395968320251216184350.0001): Magneto Assembly, S-1200 Series, 6 Cyl. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces LW-349290-3, LW-349290-3D, 75456… · 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
- [ES10-349328](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
- [ES10-349242](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID110743662720251216184408.0001): Gear, Spur, 1200 Series, 6-Cyl. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349242 · 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
- [SL6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151538433320250923185921.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Aug 4, 2025
- [TXPL6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146504457020250923185923.0001): 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
- [AB-382585](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID195988018720251216184453.0001): Ignition ContactAssembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-382585 · Dec 8, 2023
- [AB-157160](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID193485923720251216184437.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-157160 · Dec 8, 2023
- [AB-400623](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID193069304920251216184444.0001): Ball Bearing. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental… · Dec 8, 2023
- [AB-357586](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182632077520251216184446.0001): Gear. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-357586 · Dec 8, 2023
- [ES10-35935-6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180932652920251216184430.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-35935-6 · Dec 8, 2023
- [AB-157158](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID173837306320251216184432.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental MotorsP/N: 10-157158 · 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-382584](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164325700920251216184454.0001): Ignition ContactAssembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-382584 · Dec 8, 2023
- [AB-357173](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID163626963020251216184452.0001): Ignition ContactAssembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-357173 · Dec 8, 2023
- [AB-349263](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161733554320251216184505.0001): O-Ring. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-349263 · Dec 8, 2023
- [AB-357174](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152704886320251216184451.0001): Ignition ContactAssembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-357174 · Dec 8, 2023
- [AB-349652](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146517788120251216184438.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-349652 · 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-102083](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID138991042420251216184433.0001): Screw, Distr. Block. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-102083 · 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-382789](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131202563120251216184436.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-382789 · Dec 8, 2023
- [AB-349326](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID129994820320251216184456.0001): Fish Paper. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-349326 · 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-55501](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122580157220251216184441.0001): Washer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-55501 · 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-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-90751-19](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111572971120251216184501.0001): Cotter Pin. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-90751-19 · Dec 8, 2023
- [AB-349511](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103229167720251216184439.0001): Washer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-349511 · 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
- [ES10-349393-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148390144020240301172648.0001): Cover, Magneto. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349393-1 · Dec 1, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID139120782320240301172646.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · 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/DRSDOCID128664504420240301172648.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023

All of them: https://openairdocs.org/engine/lycoming-igso-540-b1a/pma.md

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