# Lycoming O-540-B4B5 - Type: Engine model (FAA registry) - Registry code: 42340 - Manufacturer (registry): LYCOMING - Model: O-540-B4B5 - Engine type: Reciprocating - Power: 235 hp - Data sheet: [TCDS E-295](https://openairdocs.org/tcds/E-295) (OpenAirDocs) - Holder: Lycoming Engines - Installed in: 40 registered aircraft - Page: https://openairdocs.org/engine/lycoming-o-540-b4b5 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 2026-17-10](https://openairdocs.org/ad/2026-17-10): Reciprocating Engine Cylinder Section · Lycoming Engines O-235, O-235-A, O-235-AP and 159 more. Effective Sep 14, 2026 - [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 2017-16-11](https://openairdocs.org/ad/2017-16-11): Reciprocating Engine Power Section · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-360-B1G6 and 93 more. Effective Aug 15, 2017 - [AD 2012-19-01](https://openairdocs.org/ad/2012-19-01): Crankshafts · Lycoming Engines AEIO-360-A1A, AEIO-360-A1B, AEIO-360-A1B6 and 321 more. Effective Oct 24, 2012 - [AD 2012-03-07](https://openairdocs.org/ad/2012-03-07): Carburetor · Lycoming Engines GO-435, GO-435-C2 (O-435-17), GO-435-C2A and 389 more. Effective Mar 27, 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 2007-04-19 R1](https://openairdocs.org/ad/2007-04-19-R1): SAP cylinder assemblies · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 314 more. Effective May 7, 2007 - [AD 2006-12-07](https://openairdocs.org/ad/2006-12-07): ECi cylinder assemblies · Aerostar AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 386 more. Effective Jul 11, 2006 - [AD 2006-10-21](https://openairdocs.org/ad/2006-10-21): ECi connecting rods · Engine Components Reciprocating Engine Connecting Rods, AEIO-360-B1B, AEIO-360-B1D and 171 more. Effective Jun 22, 2006 - [AD 2005-19-11](https://openairdocs.org/ad/2005-19-11): Crankshafts · Lycoming Engines AEIO-360-A1B6, AEIO-360-A1E6, AEIO-540-D4A5 and 59 more. Effective Oct 21, 2005 - [AD 2005-12-06](https://openairdocs.org/ad/2005-12-06): Riveted-impulse coupling assemblies and snap-ring coupling assemblies · Lycoming Engines AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 154 more. Effective Jul 19, 2005 - [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 2004-05-24](https://openairdocs.org/ad/2004-05-24): Zinc-plated Crankshaft Gear Retaining Bolts · Lycoming Engines AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 161 more. Effective Mar 30, 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 96-09-10](https://openairdocs.org/ad/96-09-10): Oil pump · Lycoming Engines AEIO-320-E1A, AEIO-320-E1B, AEIO-320-E2A and 334 more. Effective Jul 15, 1996 - [AD 95-07-01](https://openairdocs.org/ad/95-07-01): Connecting Rod Bolt · Lycoming Engines AEIO-360-A1E, AEIO-360-B1G6, AEIO-360-H1A and 177 more. Effective Apr 12, 1995 - [AD 92-12-05](https://openairdocs.org/ad/92-12-05): Piston Pins · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 532 more. Effective Jul 10, 1992 - [AD 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 89-04-02](https://openairdocs.org/ad/89-04-02): Carburetors · Continental Motors O-470-11, O-470-11-CI, O-470-11B and 175 more. Effective Mar 8, 1989 - [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 69-24-03](https://openairdocs.org/ad/69-24-03): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 321 more. Effective Nov 29, 1969 - [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 66-20-04](https://openairdocs.org/ad/66-20-04): Oil Filter Adapter Gasket · Lycoming Engines IO-320-A1A, IO-320-A2A, IO-320-B1A and 121 more. Effective Aug 27, 1966 - [AD 64-16-05](https://openairdocs.org/ad/64-16-05): AC Pumps · Lycoming Engines HIO-360-B1A, HIO-360-B1B, IO-320-B1A and 86 more. Effective Jul 10, 1964 - [AD 63-22-03](https://openairdocs.org/ad/63-22-03): Carburetors · Continental Motors GO-300-A, GO-300-B, GO-300-C and 143 more. Effective Dec 2, 1963 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 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 2006-20-09](https://openairdocs.org/ad/2006-20-09) (historical): Certain crankshafts replacing · Lycoming Engines AEIO-360-A1B6, AEIO-360-A1E6, AEIO-540-D4A5 and 82 more. Effective Nov 3, 2006 - [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 81-18-04 R2](https://openairdocs.org/ad/81-18-04-R2) (historical): Engine Oil Pump Driven Impeller and Shaft · Textron Lycoming, AVCO AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 376 more. Effective Jun 7, 1982 ## Information bulletins (advisory) (6) - [SAIB NE-19-08](https://openairdocs.org/saib/NE-19-08): Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders. Issued May 2, 2019 - [SAIB NE-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-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 (40) - [N1058T](https://openairdocs.org/aircraft/N1058T): [Rock Island Aviation Inc](https://openairdocs.org/faa-owner/ROCK%20ISLAND%20AVIATION%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2010, S/N 23107C - [N166AZ](https://openairdocs.org/aircraft/N166AZ): [Jantzon Markus I F](https://openairdocs.org/faa-owner/JANTZON%20MARKUS%20I%20F), [Kingwood, TX](https://openairdocs.org/faa-place/TX/Kingwood), built 1969, S/N 28-11320 - [N17P](https://openairdocs.org/aircraft/N17P): [Flying M LLC](https://openairdocs.org/faa-owner/FLYING%20M%20LLC), [Reno, NV](https://openairdocs.org/faa-place/NV/Reno), built 2008, S/N 23106C - [N205MX](https://openairdocs.org/aircraft/N205MX): [Hlavnicka Thomas L](https://openairdocs.org/faa-owner/HLAVNICKA%20THOMAS%20L), [Big Sandy, MT](https://openairdocs.org/faa-place/MT/Big%20Sandy), built 1999, S/N 15006C - [N2611T](https://openairdocs.org/aircraft/N2611T): [W&H Services LLC](https://openairdocs.org/faa-owner/W%26H%20SERVICES%20LLC), [Boerne, TX](https://openairdocs.org/faa-place/TX/Boerne), S/N 23102C - [N287MC](https://openairdocs.org/aircraft/N287MC): [Valiair Lc Trustee](https://openairdocs.org/faa-owner/VALIAIR%20LC%20TRUSTEE), [Casper, WY](https://openairdocs.org/faa-place/WY/Casper), built 2001, S/N 25045C - [N292FW](https://openairdocs.org/aircraft/N292FW): [Wallace Fred R](https://openairdocs.org/faa-owner/WALLACE%20FRED%20R), [Wheat Ridge, CO](https://openairdocs.org/faa-place/CO/Wheat%20Ridge), built 2006, S/N 8-4220 - [N3019T](https://openairdocs.org/aircraft/N3019T): [Danner Eric C](https://openairdocs.org/faa-owner/DANNER%20ERIC%20C), [Benton, KS](https://openairdocs.org/faa-place/KS/Benton), built 2007, S/N 23099C - [N307HP](https://openairdocs.org/aircraft/N307HP): [Butler Tracey D](https://openairdocs.org/faa-owner/BUTLER%20TRACEY%20D), [Buckley, WA](https://openairdocs.org/faa-place/WA/Buckley), built 2006, S/N 102 - [N3179U](https://openairdocs.org/aircraft/N3179U): [Lawson John A](https://openairdocs.org/faa-owner/LAWSON%20JOHN%20A), [Lott, TX](https://openairdocs.org/faa-place/TX/Lott), built 1995, S/N 20028C - [N365NG](https://openairdocs.org/aircraft/N365NG): [Reid Michael V](https://openairdocs.org/faa-owner/REID%20MICHAEL%20V), [Sulphur Springs, TX](https://openairdocs.org/faa-place/TX/Sulphur%20Springs), built 1968, S/N 28-11124 - [N4055X](https://openairdocs.org/aircraft/N4055X): [Atlas Air LLC](https://openairdocs.org/faa-owner/ATLAS%20AIR%20LLC), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 1974, S/N 5055C - [N422NP](https://openairdocs.org/aircraft/N422NP): [Garvin Honi J Trustee](https://openairdocs.org/faa-owner/GARVIN%20HONI%20J%20TRUSTEE), [Monument, CO](https://openairdocs.org/faa-place/CO/Monument), built 2007, S/N 23103C - [N442PM](https://openairdocs.org/aircraft/N442PM): [Busby James D II](https://openairdocs.org/faa-owner/BUSBY%20JAMES%20D%20II), [Port Saint Lucie, FL](https://openairdocs.org/faa-place/FL/Port%20Saint%20Lucie), built 2008, S/N 40105 - [N528RW](https://openairdocs.org/aircraft/N528RW): [Chaplin Michael A](https://openairdocs.org/faa-owner/CHAPLIN%20MICHAEL%20A), [Marathon, FL](https://openairdocs.org/faa-place/FL/Marathon), built 1970, S/N 28-11342 - [N574HB](https://openairdocs.org/aircraft/N574HB): [Ingram Grant Leigh](https://openairdocs.org/faa-owner/INGRAM%20GRANT%20LEIGH), [Hurricane, UT](https://openairdocs.org/faa-place/UT/Hurricane), built 2021, S/N 4134C - [N5937V](https://openairdocs.org/aircraft/N5937V): [Leftridge Dustin](https://openairdocs.org/faa-owner/LEFTRIDGE%20DUSTIN), [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell), built 1977, S/N 28-7710044 - [N595Z](https://openairdocs.org/aircraft/N595Z): [Evans Samuel F](https://openairdocs.org/faa-owner/EVANS%20SAMUEL%20F), [Iuka, MS](https://openairdocs.org/faa-place/MS/Iuka), built 2008, S/N 23105C - [N616RS](https://openairdocs.org/aircraft/N616RS): [Hubert Richard A](https://openairdocs.org/faa-owner/HUBERT%20RICHARD%20A), [Fowlerville, MI](https://openairdocs.org/faa-place/MI/Fowlerville), built 2012, S/N 700 - [N656LR](https://openairdocs.org/aircraft/N656LR): [Hays Robert E](https://openairdocs.org/faa-owner/HAYS%20ROBERT%20E), [Saint Paul, MN](https://openairdocs.org/faa-place/MN/Saint%20Paul), built 2014, S/N 656 - [N681GB](https://openairdocs.org/aircraft/N681GB): [Burgett Glenn E](https://openairdocs.org/faa-owner/BURGETT%20GLENN%20E), [Wooster, OH](https://openairdocs.org/faa-place/OH/Wooster), built 2009, S/N 681 - [N68TY](https://openairdocs.org/aircraft/N68TY): [King Ty](https://openairdocs.org/faa-owner/KING%20TY), [Rogers, AR](https://openairdocs.org/faa-place/AR/Rogers), built 1968, S/N 28-11207 - [N719DF](https://openairdocs.org/aircraft/N719DF): [Dubroc Marcus C](https://openairdocs.org/faa-owner/DUBROC%20MARCUS%20C), [La Place, LA](https://openairdocs.org/faa-place/LA/La%20Place), built 1975, S/N 287510046 - [N719JS](https://openairdocs.org/aircraft/N719JS): [Jensen Perry](https://openairdocs.org/faa-owner/JENSEN%20PERRY), [Cameron Park, CA](https://openairdocs.org/faa-place/CA/Cameron%20Park), built 2008, S/N 050-91/92-796 - [N7235A](https://openairdocs.org/aircraft/N7235A): [Valiair Limited Co Trustee](https://openairdocs.org/faa-owner/VALIAIR%20LIMITED%20CO%20TRUSTEE), [Casper, WY](https://openairdocs.org/faa-place/WY/Casper), built 2026, S/N 24002C - [N7313Z](https://openairdocs.org/aircraft/N7313Z): [Simmons Mark A DBA](https://openairdocs.org/faa-owner/SIMMONS%20MARK%20A%20DBA), [Pawcatuck, CT](https://openairdocs.org/faa-place/CT/Pawcatuck), built 1965, S/N 25-3245 - [N734J](https://openairdocs.org/aircraft/N734J): [Reynolds John C](https://openairdocs.org/faa-owner/REYNOLDS%20JOHN%20C), [Macon, GA](https://openairdocs.org/faa-place/GA/Macon), built 2006, S/N 23091C - [N77077](https://openairdocs.org/aircraft/N77077): [Hammarback Inc](https://openairdocs.org/faa-owner/HAMMARBACK%20INC), [East Grand Forks, MN](https://openairdocs.org/faa-place/MN/East%20Grand%20Forks), built 1977, S/N 28-7710019 - [N787GW](https://openairdocs.org/aircraft/N787GW): [Regent Trust Corp Trustee](https://openairdocs.org/faa-owner/REGENT%20TRUST%20CORP%20TRUSTEE), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita), built 2004, S/N 25101C - [N7904C](https://openairdocs.org/aircraft/N7904C): [Vaught Jon M](https://openairdocs.org/faa-owner/VAUGHT%20JON%20M), [Stillwater, OK](https://openairdocs.org/faa-place/OK/Stillwater), built 1976, S/N 28-7610064 - [N79VE](https://openairdocs.org/aircraft/N79VE): [Isocelestian Concepts LLC](https://openairdocs.org/faa-owner/ISOCELESTIAN%20CONCEPTS%20LLC), [Pelzer, SC](https://openairdocs.org/faa-place/SC/Pelzer), built 2023, S/N 25118C - [N812RR](https://openairdocs.org/aircraft/N812RR): [Astraeus LLC](https://openairdocs.org/faa-owner/ASTRAEUS%20LLC), [Greenport, NY](https://openairdocs.org/faa-place/NY/Greenport), built 2004, S/N 25100C - [N825HB](https://openairdocs.org/aircraft/N825HB): [Gallegos Joel](https://openairdocs.org/faa-owner/GALLEGOS%20JOEL), [Yellville, AR](https://openairdocs.org/faa-place/AR/Yellville), built 1967, S/N 28-10861 - [N886Z](https://openairdocs.org/aircraft/N886Z): [John Galt LLC](https://openairdocs.org/faa-owner/JOHN%20GALT%20LLC), [Fairbanks, AK](https://openairdocs.org/faa-place/AK/Fairbanks), built 2022, S/N 4135C - [N8889W](https://openairdocs.org/aircraft/N8889W): [Nedoba John](https://openairdocs.org/faa-owner/NEDOBA%20JOHN), [Stevensville, MI](https://openairdocs.org/faa-place/MI/Stevensville), built 1964, S/N 28-10450 - [N8974W](https://openairdocs.org/aircraft/N8974W): [Rassmussen Troy](https://openairdocs.org/faa-owner/RASSMUSSEN%20TROY), [Fayetteville, NC](https://openairdocs.org/faa-place/NC/Fayetteville), built 1966, S/N 28-10811 - [N9027W](https://openairdocs.org/aircraft/N9027W): [Ag Air Squadron One LLC](https://openairdocs.org/faa-owner/AG%20AIR%20SQUADRON%20ONE%20LLC), [Saint Joseph, IL](https://openairdocs.org/faa-place/IL/Saint%20Joseph), built 1965, S/N 28-10617 - [N9209F](https://openairdocs.org/aircraft/N9209F): [Aerospace Trust Management LLC Trustee](https://openairdocs.org/faa-owner/AEROSPACE%20TRUST%20MANAGEMENT%20LLC%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1990, S/N 4102C - [N9289W](https://openairdocs.org/aircraft/N9289W): [Coffman John H](https://openairdocs.org/faa-owner/COFFMAN%20JOHN%20H), [Polo, IL](https://openairdocs.org/faa-place/IL/Polo), built 1967, S/N 28-10966 - [N963MR](https://openairdocs.org/aircraft/N963MR): [Aerospace Trust Management LLC](https://openairdocs.org/faa-owner/AEROSPACE%20TRUST%20MANAGEMENT%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1967, S/N 28-10838 ## NTSB investigations (11) 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 ERA25LA013](https://openairdocs.org/ntsb/ERA25LA013), Oct 12, 2024: Maule M8 (N205MX), Rowlesburg, WV, substantial damage. Probable cause: The pilot’s failure to maintain directional control during the landing. - [NTSB ERA23LA160](https://openairdocs.org/ntsb/ERA23LA160), Mar 20, 2023: Maule M-7-235C (N79VE), Abbeville, SC, substantial damage. Probable cause: A loss of directional control during landing, which resulted in a ground loop and substantial damage to the airplane. The pilot flying could not be determined since both pilots claimed that the other… - [NTSB WPR20CA043](https://openairdocs.org/ntsb/WPR20CA043), Dec 16, 2019: John Sample Bearhawk (N719JS), Nampa, ID, substantial damage. Probable cause: The pilot's selection of unsuitable terrain for landing, which resulted in impact with a knoll and a subsequent ground-loop. - [NTSB CEN13WA123](https://openairdocs.org/ntsb/CEN13WA123), Dec 29, 2012: Piper PA-28-235 (N64KW), Guatemala City, Guatemala, substantial damage, 2 fatal - [NTSB ERA12LA474](https://openairdocs.org/ntsb/ERA12LA474), Jul 23, 2012: Piper PA-25-235 (N7313Z), Westerly, RI, substantial damage. Probable cause: A total loss of engine power for reasons that could not be determined due to the postaccident salt water-damaged state of the engine. - [NTSB ERA09CA416](https://openairdocs.org/ntsb/ERA09CA416), Jul 23, 2009: Maule M7 (N595Z), Turner, ME, substantial damage. Probable cause: The pilot's failure to maintain aircraft control during the landing rollout. - [NTSB LAX08CA081](https://openairdocs.org/ntsb/LAX08CA081), Mar 22, 2008: Maule M-8-235 (N205MX), Grangeville, ID, substantial damage. Probable cause: The pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop/swerve. A contributing factor was the pilot's lack of recent experience. - [NTSB ATL04LA084](https://openairdocs.org/ntsb/ATL04LA084), Mar 13, 2004: Maule MX-7-180A (N3179U), Plains, GA, substantial damage. Probable cause: The pilot's misjudgment of the speed/distance/altitude which resulted in a overrun of the runway. - [NTSB DEN86FA022](https://openairdocs.org/ntsb/DEN86FA022), Nov 13, 1985: Piper PA-25-235B (N7313Z), Holly, CO, substantial damage, 1 fatal - [NTSB MKC82DA144](https://openairdocs.org/ntsb/MKC82DA144), Aug 10, 1982: Piper PA-28-235 (N7904C), Springfield, MO, substantial damage - [NTSB NYC70D0063](https://openairdocs.org/ntsb/NYC70D0063), Jul 17, 1969: Piper PA-28 (N9289W), East Boston, MA, substantial damage ## FAA accident and incident reports (11) 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 20241012015759A](https://openairdocs.org/incident/20241012015759A), Oct 12, 2024: Maule M-8-235 (N205MX), Rowlesburg, WV, Substantial damage. Pilot reported loss of spatial awareness while landing on rwy 31. Aircraft nose high attitude required pilot to use side window view. Aircraft was left of… - [Accident 20230320006779A](https://openairdocs.org/incident/20230320006779A), Mar 20, 2023: Maule M-7-235C (N79VE), Abbeville, SC, Substantial damage. This was a training flight for familiarization with the Maule. Pilot stated that he and ip flew the left pattern for runway 08 and were too high. The aircraft… - [Accident 20191216022089A](https://openairdocs.org/incident/20191216022089A), Dec 16, 2019: Sample John W BEARHAWK (N719JS), Nampa, ID, Substantial damage. Airman was performing local area pattern work on 16 December, 2019 in N719JS, an experimental Bearhawk, s/n 2008 Sample John W, for his second flight of the… - [Accident 20120723018699A](https://openairdocs.org/incident/20120723018699A), Jul 23, 2012: Piper PA-25-235 (N7313Z), Off Of Westerly, RI, Destroyed. Aircraft departed Westerly, RI (wst) for a banner towing operation along the shore of block island, RI. The pilot reports that while in cruise flight at 650… - [Accident 20090723047739A](https://openairdocs.org/incident/20090723047739A), Jul 23, 2009: Maule M-7-235B (N595Z), Turner, ME, Substantial damage. 7/23/09 About 0930LCL N595Z a Maule M-7-235-B tookoff from THE12/30 asphalt runway at twichell's airport inturner me (3B5). At about 0931 the aircraft landed… - [Accident 20080322012579A](https://openairdocs.org/incident/20080322012579A), Mar 22, 2008: Maule M8235 (N205MX), Grangeville, ID, Substantial damage. (-23) Pilot-in-command (PIC) made initial landing on runway 25 at S80, bounced on touchdown and executed a go-around. During the second attempt for landing and… - [Incident 20061209027089I](https://openairdocs.org/incident/20061209027089I), Dec 9, 2006: Wallac STOLCH801 (N292FW), Stoneham, CO, Minor damage. (-23) During a cross country flight at low attitude aircraft struck a powerline and sustained minor damage. Aircraft made an emergency landing without further… - [Accident 20040313003109A](https://openairdocs.org/incident/20040313003109A), Mar 13, 2004: Maule MX7180A (N3179U), Plains, GA, Destroyed. (-23) Pilot was attempting to land on a Private airfield near Plains, Georgia. The grass airfield is not listed on the sectional for the area. The owner of the… - [Incident 19890919057789I](https://openairdocs.org/incident/19890919057789I), Sep 19, 1989: Piper PA28235 (N7904C), Manchester, NH. Had difficulty on ILS approach. Radio problem. Engine quit due to fuel starvation. Switched tanks. Restarted engine - [Accident 19851113056879A](https://openairdocs.org/incident/19851113056879A), Nov 13, 1985: Piper PA25235 (N7313Z), Holly, CO, Destroyed. Struck powerlines, fell to ground and burned during simulated spraying run. No mechanical malfunction found. - [Accident 19820809038279A](https://openairdocs.org/incident/19820809038279A), Aug 9, 1982: Piper PA28235 (N7904C), Springfield, MO, Substantial damage. Student failed to use power for flaring a high sink rate approach to a practice short field landing. ## Service difficulty reports (17) As reported by operators and repair stations, by the model named in the report. - [SDR 9VNR20200929001](https://openairdocs.org/sdr/9VNR20200929001), Sep 28, 2020: BOLT. SHEARED. OWNER REPORTED OIL LEAK IN FRONT END OF ENGINE. UPON INVESTIGATION IT APPEARED TO BE SHAFT SEAL LEAK. REMOVED PROPELLER SPINNER AND FOUND TWO (2) BOLTS SHEARED - [SDR 2020FA0000219](https://openairdocs.org/sdr/2020FA0000219), Apr 10, 2020: BOLT. BROKEN. AFTER LANDING, THE AIRCRAFT WAS ON ROLLOUT AND SLOWING WHEN THE AIRCRAFT LOST DIRECTIONAL CONTROL DUE TO THE RH MLG TURNING AFTER TORQUE LINK BOLT HAD BROKEN. - [SDR CA160118015](https://openairdocs.org/sdr/CA160118015), Jan 15, 2016: CASTING. BROKEN. (CAN) THE MAINTENANCE CREW FOUND THE LOWER1/2 OF THE 3200B SERIES TAIL WHEEL ON THE RUNWAY. IT HAD SEPARATED AT TAKE OFF. THE PILOT LANDED LATER AFTER BEING NOT - [SDR 2015FA0000523](https://openairdocs.org/sdr/2015FA0000523), Nov 2, 2015: IMPULSE COUPLING. BROKEN. LEFT MAG IMPULSE COUPLING BROKE, JAMMING THE MAGNETOS DRIVE SHAFT KEEPING IT FROM TURNING. THE MAG FAILURE ALSO CAUSED THE CRANKSHAFT ALIGNMENT PIN TO BREAK OFF - [SDR CA140717001](https://openairdocs.org/sdr/CA140717001), Jul 11, 2014: VENT. KINKED. (CAN) DURING ENGINE TROUBLESHOOTING, NOTED ENGINE CRANKCASE BREATHER RUBBER COUPLING KINKED AND RESTRICTING VENTING ALONG WITH BREATHER ALTERNATE AIR OUTLET COV - [SDR 2012FA0000524](https://openairdocs.org/sdr/2012FA0000524), Jul 23, 2012: ENGINE. POWER LOSS. DURING BANNER TOW OPERATIONS, IN CRUISE FLIGHT AT APPROX 600' AGL, THE PILOT REPORTED THAT THE ENGINE STARTED TO SHUTTER VIOLENTLY AND SUBSEQUENTLY BEGAN TO RAP - [SDR 2008FA0000191](https://openairdocs.org/sdr/2008FA0000191), Mar 31, 2008: FLOAT. BENT. CARBURETOR FLOAT PN 30-802 PLASTIC FLOAT, THE CARBURETOR HAD A HIGH FLOAT LEVEL TWICE AFTER SETTING THE FLOAT TO SPEC IAW MM. THE FLOAT WAS REMOVED DUE TO THE F - [SDR 2004FA0000642](https://openairdocs.org/sdr/2004FA0000642), Jun 1, 2004: IMPULSE COUPLING. BROKEN. IMPULSE COUPLING FAILED LOCKING MAGNETO, RESULTING IN FAILURE OF GEARS IN ACCESSORY CASE, PN 13S18647, 71652 AND LW-19096 GEARS. FAILURE OCCURRED WHILE FLYING I - [SDR 2003FA0001052](https://openairdocs.org/sdr/2003FA0001052), Aug 11, 2003: FITTING. DAMAGED. NOSE WHEEL SHIMMY, GROUND HANDLING AND HARD LANDING. THE RT FITTING PN 880.21.0.456.2 ALSO MADE FROM THE SAME MATERIAL AND SUBJECT TO THE SAME LOADS. - [SDR 2002FA0000873](https://openairdocs.org/sdr/2002FA0000873), Jul 26, 2002: SPAR. CRACKED. DURING ANNUAL INSPECTION SB1006 PERFORMED. FOUND CRACKS AND CORROSION IN AFT REAR SPAR FLANGE-APPROX 3 INCHES OUTBOARD OF LANDING GEAR ATTACH. CAUSE DUE TO STAN - [SDR AU000291](https://openairdocs.org/sdr/AU000291), Mar 1, 2000: FUEL TANK. CONTAMINATED. (AUS) AIRCRAFT FUEL SYSTEM CONTAMINATED WITH ETHYLENE DIAMINE (EDA). - [SDR 98ZZZX3028](https://openairdocs.org/sdr/98ZZZX3028), Aug 3, 1998: IMPULSE COUPLING. WORN. REMOVED LEFT MAGNETO FOR INSPECTION. DURING PROCESS OF INSPECTING COUPLING ASSY, NOTICED THE COILED SPRING SHOWING SIGNS OF ABNORMAL WEAR NEAR THE CONNECTING PO - [SDR AU971591](https://openairdocs.org/sdr/AU971591), Dec 30, 1997: SEAT TRACK. CORRODED. (AUS) RH OUTBOARD SEAT TRACK CONTAINED EXFOLIATION CORROSION. - [SDR CA970604007](https://openairdocs.org/sdr/CA970604007), May 29, 1997: LOW STOP. WRONG PART. (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. INSPECTION FOUND AN INCORRECT STOP INSTALLED. LOW STOP NUT WOULD NOT LOCK. A LONGER STOP WAS INSTALLED. - [SDR 96ZZZX5485](https://openairdocs.org/sdr/96ZZZX5485), Oct 15, 1996: PUMP. FAILED. DURING OVERHAUL DISASSEMBLY OF OIL PUMP, DISCOVERED WOODRUFF KEY DRIVE SHAFT AND SINTERED IRON GEARS. AD 75-08-09 REQUIRES REMOVAL OF THIS STYLE, BUT THIS SERIA - [SDR AU960471](https://openairdocs.org/sdr/AU960471), Apr 11, 1996: RIB. CORRODED. (AUS) RH WING FLAP HAS EXTENSIVE CORROSION BETWEEN THE STEEL ATTACHMENT BRACKETS AND THE INTERNAL NOSE RIBS - ALL RIBS HAD PARTED FROM THE ATTACHMENT BRACKETS - - [SDR AU960472](https://openairdocs.org/sdr/AU960472), Apr 11, 1996: RIB. CORRODED. (AUS) LH WING FLAP HAS EXTENSIVE CORROSION MAINLY BETWEEN THE STEEL ATTACHMENT BRACKETS AND INTERNAL NOSE RIBS - ALL OF WHICH HADDEPARTED FROM THEIR ATTACHING S ## STCs that may be installed (OpenAirDocs) (44) 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 SE2932SW](https://openairdocs.org/stc/SE2932SW): Install carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive. Alcor LLC. Lists O-540 Series - [STC SE208SO](https://openairdocs.org/stc/SE208SO): Installation of ice indicator in the carburetor. LegacySTC.com. Lists O-540 Series - [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 SE2388CE](https://openairdocs.org/stc/SE2388CE): Installation of B&C Speciality Products lightweight (10.2) pounds) engine starter, part number BC-315-100-1 (12 volts) or part number BC-315-100-3 (24 volts). B & C Specialty Products Inc. Lists O-540 Series - [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 SE01436LA](https://openairdocs.org/stc/SE01436LA): Installation of Firewall Forward Technologies LLC modified camshaft. Centri-lube Technologies LLC - [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 SE4408SW](https://openairdocs.org/stc/SE4408SW): Miscellaneous engine cylinder replacement parts. Continental Motors, Inc. Lists O-540 Series - [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc. Lists O-540 Series - [STC SE00218NY](https://openairdocs.org/stc/SE00218NY): Replacement of Lycoming starter with SKY-TEC 12 volt starter installed. Hartzell Engine Technologies, LLC. Lists O-540 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 O-540 Series - [STC SE04241AT](https://openairdocs.org/stc/SE04241AT): Installation of (Bendix) Precision Airmotive fuel injection system which replaces the original Marvel Schebler carburetor model MA-4-5, P/N 10-5042. Nicky L. Watts - [STC SE2901NM](https://openairdocs.org/stc/SE2901NM): Lycoming valve cover gasket. Real Gaskets Tennessee - [STC SE00768CH](https://openairdocs.org/stc/SE00768CH): Replace Slick 6000, 6100, 6200 and 6300 series magnetos and TCM/Bendix S6-20, S6-200 and S6-1200 series magnetos with the Champion Limited Authority Spark Advance Regulator (LASARTM) ignition system. Champion Aerospace LLC - [STC SE922GL](https://openairdocs.org/stc/SE922GL): Installation of a Shadin Company fuel flow transducer. Shadin Avionics - [STC SE7734SW](https://openairdocs.org/stc/SE7734SW): Modification of engine for operation with ethanol fuel. Shauck Dr Maxwell E Jr - [STC SE01943CH](https://openairdocs.org/stc/SE01943CH): Add the following approved fuels: unleaded automotive gasoline 87 minimum antiknock index, per ASTM Specification D-439 or D-4814 of any volatility class, A through E, or 82UL AVGAS per ASTM D-6227. Experimental Aircraft Association Inc - [STC SE956GL](https://openairdocs.org/stc/SE956GL): Superseded by STC SE01943CH. Add approved fuel: unleaded automotive gasoline, 87 minimum antiknock index. EAA Aviation Foundation - [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 SE00890LA](https://openairdocs.org/stc/SE00890LA): Installation of Nickson's cylinder barrels on Lycoming reciprocating engine models. Nickson's Machine Shop Inc. Lists O-540 Series - [STC SE1-201](https://openairdocs.org/stc/SE1-201): Installation of the Richter Aero Equipment Type B-4 or B-5 Temperature Probe. (O-360 SERIES (excl. A1C, C2B, C2D)). MidContinent Instru Co Inc. Lists O-540 Series - [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 O-540 Series - [STC SE8023SW](https://openairdocs.org/stc/SE8023SW): Installation and usage of AEROSHELL. Shell Development Co. Lists O-540 Series - [STC SE741NE](https://openairdocs.org/stc/SE741NE): Installation of 'Auto-Vac-4' primary vacuum system. Raymond Ives - [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp. Lists O-540 Series - [STC SE318NE](https://openairdocs.org/stc/SE318NE): Installation of 'auto-vac-2' auxiliary instrument vacuum system. Raymond Ives - [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 O-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 O-540 Series - [STC SE244NE](https://openairdocs.org/stc/SE244NE): Installation of Mattituck plasma flame sprayed cylinder barrels in Teledyne reciprocating engines. Mattituck Airbase, Inc. Lists O-540 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 O-540 Series - [STC SE1909CE](https://openairdocs.org/stc/SE1909CE): Operation on unleaded and leaded automotive gasoline. Petersen Aviation Inc - [STC SE1445SO](https://openairdocs.org/stc/SE1445SO): Use of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines. ProTec. Lists O-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 O-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 O-540 Series - [STC SA01436DE](https://openairdocs.org/stc/SA01436DE) (historical): Installation of Firewall Forward Technologies, LLC modified camshaft. Centri-Lube Technologies LLC --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.