# Continental IO-520 series - Type: Engine model (FAA registry) - Registry code: 17032 - Manufacturer (registry): CONT MOTOR - Model: IO 520 SERIES - Engine type: Reciprocating - Power: 285 hp - Data sheet: [TCDS E5CE](https://openairdocs.org/tcds/E5CE) (OpenAirDocs) - Holder: Continental Aerospace Technologies, Inc. - Installed in: 9,486 registered aircraft - Page: https://openairdocs.org/engine/continental-io-520-series The registry names only the engine series, so ADs for every model in the series are matched. ## ADs that may apply (OpenAirDocs) Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 2023-17-04](https://openairdocs.org/ad/2023-17-04): Reciprocating Engine Oil System · F & M Enterprises' Model C6LC, C6LC-S or C6LC-L oil filter… (Stratus Tool Technologies STC SE09356SC or 2 others). Effective Oct 26, 2023 - [AD 2023-09-09](https://openairdocs.org/ad/2023-09-09): Exhaust Turbine System (Recip) · Aerostar PA-60-600 (Aerostar 600), PA-60-601 (Aerostar 601), PA-60-601P (Aerostar 601P) and 292 more. Effective Jul 17, 2023 - [AD 2023-05-16](https://openairdocs.org/ad/2023-05-16): Reciprocating Engine Power Section · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-H and 147 more. Effective Mar 15, 2023 - [AD 2023-02-12](https://openairdocs.org/ad/2023-02-12): Engine Air Intake System · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 127 more. Effective Feb 17, 2023 - [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 2016-16-12](https://openairdocs.org/ad/2016-16-12): Cylinder assemblies · Continental Motors LTSIO-520-AE, TSIO-520-A, TSIO-520-AE and 89 more. Effective Sep 15, 2016 - [AD 2014-05-29](https://openairdocs.org/ad/2014-05-29): SAP replacement parts manufacturer approval (PMA) investment cast cylinder assemblies · Continental Motors TSIO-520-A, TSIO-520-AE, TSIO-520-AF and 55 more. Effective Apr 25, 2014 - [AD 2012-03-06](https://openairdocs.org/ad/2012-03-06): Fuel servo diaphragm · Continental Motors 6-260-A, 6-285-A, 6-285-B and 482 more. Effective Feb 24, 2012 - [AD 2010-11-04](https://openairdocs.org/ad/2010-11-04): Hydraulic lifters · Continental Motors FSO-470-A, GIO-470-A, GTSIO-520-C and 190 more. Effective Jun 16, 2010 - [AD 2009-19-07](https://openairdocs.org/ad/2009-19-07): EQ3 cylinders · Continental Motors IO-470-C, IO-470-D, IO-470-E and 72 more. Effective Oct 7, 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 2004-08-10](https://openairdocs.org/ad/2004-08-10): Serial-numbered (SN) cylinders · Modify Teledyne Continental TSIO-520-NB engine (RAM Aircraft Limited Partnership STC SE09104SC or 4 others). Effective May 5, 2004 - [AD 2000-23-21](https://openairdocs.org/ad/2000-23-21): Crankshaft · Continental Motors IO-360-A, IO-360-AB, IO-360-B and 164 more. Effective Dec 12, 2000 - [AD 99-19-01](https://openairdocs.org/ad/99-19-01): No. 2 and No. 5 Crankshaft Inspections · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 127 more. Effective Sep 30, 1999 - [AD 98-17-11](https://openairdocs.org/ad/98-17-11): Crankshafts · Continental Motors A-65-3, A-65-8, A75-8 and 90 more. Effective Oct 19, 1998 - [AD 97-26-17](https://openairdocs.org/ad/97-26-17): Crankshaft · Continental Motors IO-360-A, IO-360-AB, IO-360-B and 90 more. Effective Jan 23, 1998 - [AD 96-12-22](https://openairdocs.org/ad/96-12-22): Full Flow Engine Oil Adapter · Bellanca CH-300 Pacemaker, 120, 140 and 361 more. Effective Jul 31, 1996 - [AD 95-21-15](https://openairdocs.org/ad/95-21-15): Aviation Gasoline · Continental Motors A-65-8, C85-12F, C85-12FJ and 77 more. Effective Nov 28, 1995 - [AD 95-03-14](https://openairdocs.org/ad/95-03-14): Engine Mount Brackets · Continental Motors IO-346-A, IO-346-B, IO-520-C and 2 more. Effective Mar 13, 1995 - [AD 93-16-15](https://openairdocs.org/ad/93-16-15): Fuel Pump Drive Shaft · Continental Motors IO-520-B, IO-520-BA, IO-520-BB and 27 more. Effective Dec 14, 1993 - [AD 93-08-17](https://openairdocs.org/ad/93-08-17): Oil Pick-Up Tube · Continental Motors IO-470-A, IO-470-C, IO-470-D and 104 more. Effective Aug 23, 1993 - [AD 93-10-02](https://openairdocs.org/ad/93-10-02): Missing Cylinder Valve Retainer Key · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 180 more. Effective Aug 12, 1993 - [AD 91-19-03](https://openairdocs.org/ad/91-19-03): Oil Filter · Continental Motors 6-285-A, 6-285-B, 6-285-BA and 169 more. Effective Sep 29, 1991 - [AD 88-17-03](https://openairdocs.org/ad/88-17-03): Starter Adapter Shaftgear Assembly · Continental Motors IO-520-BA, IO-520-BB, IO-550-B and 4 more. Effective Aug 10, 1988 - [AD 88-03-06](https://openairdocs.org/ad/88-03-06): Oil Filter · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 155 more. Effective Apr 15, 1988 - [AD 86-13-04 R3](https://openairdocs.org/ad/86-13-04-R3): Cylinder Assemblies · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-H and 44 more. Effective Feb 24, 1988 - [AD 87-14-02](https://openairdocs.org/ad/87-14-02): Starter Adapter Shaftgear · Continental Motors IO-520-BA, IO-520-BB, IO-550-B and 4 more. Effective Oct 5, 1987 - [AD 81-24-06](https://openairdocs.org/ad/81-24-06): Engine Driven Fuel Pumps · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 51 more. Effective Nov 23, 1981 - [AD 81-16-05](https://openairdocs.org/ad/81-16-05): Magnetos · Lycoming Engines AEIO-320-E1B, AEIO-320-E2B, AEIO-360-B1G6 and 234 more. Effective Aug 6, 1981 - [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 80-01-04](https://openairdocs.org/ad/80-01-04): Cylinder Holddown Flange Assemblies · Continental Motors IO-520-A, IO-520-B, IO-520-BA and 44 more. Effective Jan 25, 1980 - [AD 79-05-09](https://openairdocs.org/ad/79-05-09): Oil Pump Assembly Or Oil Pressure Relief Valve Screw And/Or Plunger · Teledyne Continental Motors 6-285-CA, GTSIO-520-C, GTSIO-520-D and 60 more. Effective Mar 12, 1979 - [AD 77-05-04](https://openairdocs.org/ad/77-05-04): Crankshaft · Continental Motors IO-470-L, IO-520-D, IO-520-F and 6 more. Effective Mar 11, 1977 - [AD 70-14-07](https://openairdocs.org/ad/70-14-07): Fuel Injection Pump · Continental Motors IO-360-A, IO-360-C, IO-360-D and 25 more. Effective Nov 22, 1974 - [AD 72-24-03](https://openairdocs.org/ad/72-24-03): Oil Filter Adapter · Continental Motors IO-360-A, IO-520-B, IO-520-C and 3 more. Effective Nov 15, 1972 - [AD 98-01-08](https://openairdocs.org/ad/98-01-08): Exhaust Roller Rocker Arm · Roller rocker arm P/N PE 92I intake and PE92E exhaust (Performance Engineering STC SE8594SW) - [AD 77-13-22](https://openairdocs.org/ad/77-13-22): Crankcase Cracks · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-F and 22 more Historical (superseded or no longer in force): - [AD 2023-04-08](https://openairdocs.org/ad/2023-04-08) (historical): Reciprocating Engine Power Section · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-H and 141 more. Effective Feb 23, 2023 - [AD 2022-04-04](https://openairdocs.org/ad/2022-04-04) (historical): Reciprocating Engine Oil System · F & M Enterprises' Model C6LC, C6LC-S or C6LC-L oil filter… (Stratus Tool Technologies STC SE09356SC or 2 others). Effective Mar 29, 2022 - [AD 2009-24-52](https://openairdocs.org/ad/2009-24-52) (historical): Hydraulic lifters · Continental Motors FSO-470-A, GIO-470-A, GTSIO-520-C and 192 more - [AD 2009-24-51](https://openairdocs.org/ad/2009-24-51) (historical): Hydraulic lifters · Teledyne Continental Motors FSO-470-A, GIO-470-A, GTSIO-520-C and 156 more - [AD 2009-16-03](https://openairdocs.org/ad/2009-16-03) (historical): Cylinder assemblies · Continental Motors IO-520-A, IO-520-B, IO-520-BA and 55 more. Effective Sep 9, 2009 - [AD 2000-08-51](https://openairdocs.org/ad/2000-08-51) (historical): Crankshaft · Teledyne Continental Motors IO-360-A, IO-360-AB, IO-360-B and 158 more - [AD 94-09-07](https://openairdocs.org/ad/94-09-07) (historical): Engine Mount Brackets · Teledyne Continental Motors IO-346-A, IO-346-B, IO-520-C and 2 more. Effective Jul 5, 1994 - [AD 94-14-12](https://openairdocs.org/ad/94-14-12) (historical): Octane Aviation Gasoline · Teledyne Continental Motors A-65-8, C85-12, E185-11 and 68 more - [AD 87-23-08](https://openairdocs.org/ad/87-23-08) (historical): Crankshafts · Teledyne Continental Motors IO-520 Series (all) and TSIO-520 Series (all). Effective Nov 30, 1987 - [AD 99-09-17](https://openairdocs.org/ad/99-09-17) (historical): Crankshaft · Teledyne Continental Motors IO-470-A, IO-470-C, IO-470-D and 114 more ## Information bulletins (advisory) (11) - [SAIB NE-20-05](https://openairdocs.org/saib/NE-20-05): POWERPLANT - Engine Camshaft Gear Tooth Fracture. Issued Apr 6, 2020 - [SAIB NE-18-16](https://openairdocs.org/saib/NE-18-16): POWERPLANT Alternator Drive Coupling. Issued Jun 20, 2018 - [SAIB NE-17-11](https://openairdocs.org/saib/NE-17-11): POWERPLANT Engine damage as a result of kickback. Issued May 10, 2017 - [SAIB NE-16-13](https://openairdocs.org/saib/NE-16-13): Powerplant - Prohibited use of sealant. Issued Mar 8, 2016 - [SAIB NE-13-15](https://openairdocs.org/saib/NE-13-15): Engine Controls: Continental Motors, Inc. (CMI) Throttle and Mixture Control Levers. Issued Feb 8, 2013 - [SAIB NE-13-04](https://openairdocs.org/saib/NE-13-04): Continental Motors, Inc. (CMI) Connecting Rod Piston Pin Bushing Inspection. Issued Oct 31, 2012 - [SAIB NE-10-09](https://openairdocs.org/saib/NE-10-09): Reciprocating Engine Power Section: Hydraulic Valve Lifters. Issued Nov 20, 2009 - [SAIB NE-10-07](https://openairdocs.org/saib/NE-10-07): Reciprocating Engine Cylinder: Identification Information for Superior Air Parts, PMA Cylinder Heads for Teledyne Continental Motors (TCM) IO-520, TSIO-520,and IO-550 Series Engines.. Issued Nov 2, 2009 - [SAIB NE-09-08](https://openairdocs.org/saib/NE-09-08): Reciprocating Engine Cylinder Section. Issued Jan 30, 2009 - [SAIB NE-07-09R1](https://openairdocs.org/saib/NE-07-09R1): Periodic Inspections of ECi Cylinder Assemblies for Cracks in the Aluminum Head. Issued Mar 21, 2007 - [SAIB NE-02-41](https://openairdocs.org/saib/NE-02-41): . Issued Aug 8, 2002 ## Registered aircraft (9,486, first 50) - [N10007](https://openairdocs.org/aircraft/N10007): [Insko Matthew T](https://openairdocs.org/faa-owner/INSKO%20MATTHEW%20T), [Papillion, NE](https://openairdocs.org/faa-place/NE/Papillion), built 1966, S/N 21058839 - [N1005F](https://openairdocs.org/aircraft/N1005F): [Beam Douglas J Trustee](https://openairdocs.org/faa-owner/BEAM%20DOUGLAS%20J%20TRUSTEE), [Chugiak, AK](https://openairdocs.org/faa-place/AK/Chugiak), built 1975, S/N 18502677 - [N100AN](https://openairdocs.org/aircraft/N100AN): [Watson Family Investments LLC](https://openairdocs.org/faa-owner/WATSON%20FAMILY%20INVESTMENTS%20LLC), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston), built 1977, S/N D-10084 - [N100DZ](https://openairdocs.org/aircraft/N100DZ): [Skydive Santa Barbara LLC](https://openairdocs.org/faa-owner/SKYDIVE%20SANTA%20BARBARA%20LLC), [Lompoc, CA](https://openairdocs.org/faa-place/CA/Lompoc), built 1966, S/N U206-0693 - [N100FM](https://openairdocs.org/aircraft/N100FM): [Rivkin Gerald](https://openairdocs.org/faa-owner/RIVKIN%20GERALD), [Saint Augustine, FL](https://openairdocs.org/faa-place/FL/Saint%20Augustine), built 1969, S/N TE-729 - [N100KJ](https://openairdocs.org/aircraft/N100KJ): [Drewyor Kenneth](https://openairdocs.org/faa-owner/DREWYOR%20KENNETH), [Eaton Rapids, MI](https://openairdocs.org/faa-place/MI/Eaton%20Rapids), built 1977, S/N D-9987 - [N100KW](https://openairdocs.org/aircraft/N100KW): [Baldassarre Thomas Anthony](https://openairdocs.org/faa-owner/BALDASSARRE%20THOMAS%20ANTHONY), [Gillette, NJ](https://openairdocs.org/faa-place/NJ/Gillette), built 1980, S/N D-10336 - [N100ML](https://openairdocs.org/aircraft/N100ML): [Ml Aviation LLC](https://openairdocs.org/faa-owner/ML%20AVIATION%20LLC), [Boulder, CO](https://openairdocs.org/faa-place/CO/Boulder), built 1972, S/N TH-249 - [N100NK](https://openairdocs.org/aircraft/N100NK): [Land Air Sea Inc](https://openairdocs.org/faa-owner/LAND%20AIR%20SEA%20INC), [Chesapeake, VA](https://openairdocs.org/faa-place/VA/Chesapeake), built 1969, S/N TE-767 - [N100NN](https://openairdocs.org/aircraft/N100NN): [Dunnair LLC](https://openairdocs.org/faa-owner/DUNNAIR%20LLC), [Panama City, FL](https://openairdocs.org/faa-place/FL/Panama%20City), built 1973, S/N D-9465 - [N100PR](https://openairdocs.org/aircraft/N100PR): [Kinder Eric Eugene Trustee](https://openairdocs.org/faa-owner/KINDER%20ERIC%20EUGENE%20TRUSTEE), [Tucson, AZ](https://openairdocs.org/faa-place/AZ/Tucson), built 1970, S/N D-9167 - [N100PS](https://openairdocs.org/aircraft/N100PS): [G & C Property Hc LLC](https://openairdocs.org/faa-owner/G%20%26%20C%20PROPERTY%20HC%20LLC), [San Francisco, CA](https://openairdocs.org/faa-place/CA/San%20Francisco), built 1987, S/N CE1140 - [N100PZ](https://openairdocs.org/aircraft/N100PZ): [Aeromotors LLC](https://openairdocs.org/faa-owner/AEROMOTORS%20LLC), [St James, MO](https://openairdocs.org/faa-place/MO/St%20James), built 1974, S/N TH-554 - [N100RB](https://openairdocs.org/aircraft/N100RB): [Ingraham Donald S](https://openairdocs.org/faa-owner/INGRAHAM%20DONALD%20S), [New Bern, NC](https://openairdocs.org/faa-place/NC/New%20Bern), built 1991, S/N CE-1586 - [N100RE](https://openairdocs.org/aircraft/N100RE): [Schooler Jordan Benjamin](https://openairdocs.org/faa-owner/SCHOOLER%20JORDAN%20BENJAMIN), [Hummelstown, PA](https://openairdocs.org/faa-place/PA/Hummelstown), built 1981, S/N CE-987 - [N100SP](https://openairdocs.org/aircraft/N100SP): [Wright Richard S](https://openairdocs.org/faa-owner/WRIGHT%20RICHARD%20S), [Half Moon Bay, CA](https://openairdocs.org/faa-place/CA/Half%20Moon%20Bay), built 1970, S/N D-9107T - [N100TX](https://openairdocs.org/aircraft/N100TX): [Jones Joseph Clayton](https://openairdocs.org/faa-owner/JONES%20JOSEPH%20CLAYTON), [Bossier City, LA](https://openairdocs.org/faa-place/LA/Bossier%20City), built 1976, S/N D-9854 - [N100WS](https://openairdocs.org/aircraft/N100WS): [Qualitair LLC Trustee](https://openairdocs.org/faa-owner/QUALITAIR%20LLC%20TRUSTEE), Michelstadt, built 1987, S/N CE-1202 - [N100XP](https://openairdocs.org/aircraft/N100XP): [Heath Darrell L](https://openairdocs.org/faa-owner/HEATH%20DARRELL%20L), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston), built 1991, S/N CE-1564 - [N1014W](https://openairdocs.org/aircraft/N1014W): [Anderson Timothy R](https://openairdocs.org/faa-owner/ANDERSON%20TIMOTHY%20R), [Wilmette, IL](https://openairdocs.org/faa-place/IL/Wilmette), built 1973, S/N TE-906 - [N1015F](https://openairdocs.org/aircraft/N1015F): [International Air Services Inc Trustee](https://openairdocs.org/faa-owner/INTERNATIONAL%20AIR%20SERVICES%20INC%20TRUSTEE), [Carson City, NV](https://openairdocs.org/faa-place/NV/Carson%20City), built 1975, S/N 18502684 - [N1015W](https://openairdocs.org/aircraft/N1015W): [Stanton Thomas Michael](https://openairdocs.org/faa-owner/STANTON%20THOMAS%20MICHAEL), [Mcallen, TX](https://openairdocs.org/faa-place/TX/Mcallen), built 1973, S/N TE-907 - [N1016W](https://openairdocs.org/aircraft/N1016W): [Michael Deem Crow](https://openairdocs.org/faa-owner/MICHAEL%20DEEM%20CROW), [Pilot Point, TX](https://openairdocs.org/faa-place/TX/Pilot%20Point), built 1973, S/N D-9478 - [N1018W](https://openairdocs.org/aircraft/N1018W): [Lampe Ryan](https://openairdocs.org/faa-owner/LAMPE%20RYAN), [Leonardtown, MD](https://openairdocs.org/faa-place/MD/Leonardtown), built 1973, S/N D-9449 - [N101BM](https://openairdocs.org/aircraft/N101BM): [Turk Mike](https://openairdocs.org/faa-owner/TURK%20MIKE), [Pinehurst, TX](https://openairdocs.org/faa-place/TX/Pinehurst), built 1971, S/N TE-847 - [N101JH](https://openairdocs.org/aircraft/N101JH): [Hi-Per Aviation Inc](https://openairdocs.org/faa-owner/HI-PER%20AVIATION%20INC), [Arroyo Grande, CA](https://openairdocs.org/faa-place/CA/Arroyo%20Grande), built 1972, S/N 21059759 - [N101JM](https://openairdocs.org/aircraft/N101JM): [Clay Center, KS](https://openairdocs.org/faa-place/KS/Clay%20Center), built 1967, S/N D-8459, Sale reported - [N101ME](https://openairdocs.org/aircraft/N101ME): [Ibs America Corp](https://openairdocs.org/faa-owner/IBS%20AMERICA%20CORP), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1969, S/N 401A0130 - [N101WE](https://openairdocs.org/aircraft/N101WE): [Badgerland Aero LLC](https://openairdocs.org/faa-owner/BADGERLAND%20AERO%20LLC), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), built 1971, S/N D-9231 - [N1020V](https://openairdocs.org/aircraft/N1020V): [Craig Air Inc](https://openairdocs.org/faa-owner/CRAIG%20AIR%20INC), [Wasilla, AK](https://openairdocs.org/faa-place/AK/Wasilla), built 1974, S/N U20602404 - [N1021W](https://openairdocs.org/aircraft/N1021W): [Greystone Enterprises Inc](https://openairdocs.org/faa-owner/GREYSTONE%20ENTERPRISES%20INC), [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City), built 1973, S/N E-401 - [N1022F](https://openairdocs.org/aircraft/N1022F): [Goodfellow Malcolm D](https://openairdocs.org/faa-owner/GOODFELLOW%20MALCOLM%20D), [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle), built 1975, S/N 18502690 - [N1023F](https://openairdocs.org/aircraft/N1023F): [Winter Karl](https://openairdocs.org/faa-owner/WINTER%20KARL), [Litchfield Park, AZ](https://openairdocs.org/faa-place/AZ/Litchfield%20Park), built 1975, S/N 18502691 - [N1023W](https://openairdocs.org/aircraft/N1023W): [Goldeagle Flyers Inc](https://openairdocs.org/faa-owner/GOLDEAGLE%20FLYERS%20INC), [San Jose, CA](https://openairdocs.org/faa-place/CA/San%20Jose), built 1973, S/N CE-421 - [N10242](https://openairdocs.org/aircraft/N10242): [Alexander Holding Services Inc](https://openairdocs.org/faa-owner/ALEXANDER%20HOLDING%20SERVICES%20INC), [Newark, DE](https://openairdocs.org/faa-place/DE/Newark), built 1972, S/N 21059704 - [N1024T](https://openairdocs.org/aircraft/N1024T): [Barnwell John Randel](https://openairdocs.org/faa-owner/BARNWELL%20JOHN%20RANDEL), [Conroe, TX](https://openairdocs.org/faa-place/TX/Conroe), built 1976, S/N D-9941 - [N1025W](https://openairdocs.org/aircraft/N1025W): [Bancroft Maurice J](https://openairdocs.org/faa-owner/BANCROFT%20MAURICE%20J), [Rio, WI](https://openairdocs.org/faa-place/WI/Rio), built 1973, S/N D-9453 - [N1026T](https://openairdocs.org/aircraft/N1026T): [Edens Erik](https://openairdocs.org/faa-owner/EDENS%20ERIK), [Scottsdale, AZ](https://openairdocs.org/faa-place/AZ/Scottsdale), built 1976, S/N D-9981 - [N102BN](https://openairdocs.org/aircraft/N102BN): [Delta State University](https://openairdocs.org/faa-owner/DELTA%20STATE%20UNIVERSITY), [Cleveland, MS](https://openairdocs.org/faa-place/MS/Cleveland), built 1978, S/N U20604268 - [N102CC](https://openairdocs.org/aircraft/N102CC): [Pj Squared LLC](https://openairdocs.org/faa-owner/PJ%20SQUARED%20LLC), [San Antonio, TX](https://openairdocs.org/faa-place/TX/San%20Antonio), built 1972, S/N E-383 - [N102HL](https://openairdocs.org/aircraft/N102HL): [Kopp Michael](https://openairdocs.org/faa-owner/KOPP%20MICHAEL), [Reno, NV](https://openairdocs.org/faa-place/NV/Reno), built 1979, S/N E-1462 - [N102JM](https://openairdocs.org/aircraft/N102JM): [Held John S](https://openairdocs.org/faa-owner/HELD%20JOHN%20S), [Cincinnati, OH](https://openairdocs.org/faa-place/OH/Cincinnati), built 1979, S/N D-10216 - [N102Q](https://openairdocs.org/aircraft/N102Q): [Air N Travel LLC](https://openairdocs.org/faa-owner/AIR%20N%20TRAVEL%20LLC), [Cannelburg, IN](https://openairdocs.org/faa-place/IN/Cannelburg), built 1966, S/N TE-246 - [N102RB](https://openairdocs.org/aircraft/N102RB): [Leuszler Robert L](https://openairdocs.org/faa-owner/LEUSZLER%20ROBERT%20L), [Lenexa, KS](https://openairdocs.org/faa-place/KS/Lenexa), built 1968, S/N D-8865 - [N102S](https://openairdocs.org/aircraft/N102S): [Bfb Enterprises LLC](https://openairdocs.org/faa-owner/BFB%20ENTERPRISES%20LLC), [Larned, KS](https://openairdocs.org/faa-place/KS/Larned), built 1979, S/N E-1615 - [N1030W](https://openairdocs.org/aircraft/N1030W): [Bowles David A](https://openairdocs.org/faa-owner/BOWLES%20DAVID%20A), [Matthews, NC](https://openairdocs.org/faa-place/NC/Matthews), S/N D-9452 - [N1031W](https://openairdocs.org/aircraft/N1031W): [Bilco Air LLC](https://openairdocs.org/faa-owner/BILCO%20AIR%20LLC), [Danville, IL](https://openairdocs.org/faa-place/IL/Danville), built 1973, S/N E-403 - [N1032W](https://openairdocs.org/aircraft/N1032W): [Ohlinger Mark A](https://openairdocs.org/faa-owner/OHLINGER%20MARK%20A), [Copley, OH](https://openairdocs.org/faa-place/OH/Copley), built 1973, S/N D-9454 - [N1033W](https://openairdocs.org/aircraft/N1033W): [Punci Aviation II LLC](https://openairdocs.org/faa-owner/PUNCI%20AVIATION%20II%20LLC), [Port Washington, WI](https://openairdocs.org/faa-place/WI/Port%20Washington), S/N D-9455 - [N1036T](https://openairdocs.org/aircraft/N1036T): [Slaughter Terry D](https://openairdocs.org/faa-owner/SLAUGHTER%20TERRY%20D), [Perryton, TX](https://openairdocs.org/faa-place/TX/Perryton), built 1976, S/N E-928 All 9,486: https://openairdocs.org/engine/continental-io-520-series/aircraft.md ## NTSB investigations (4,749, 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 CEN27LA014](https://openairdocs.org/ntsb/CEN27LA014), Oct 13, 2026: Cessna 210N (N1329U), Gonzales, LA, investigation ongoing - [NTSB WPR27LA010](https://openairdocs.org/ntsb/WPR27LA010), Oct 1, 2026: Cessna A185F (N185TT), Madera, CA, investigation ongoing - [NTSB ANC27LA001](https://openairdocs.org/ntsb/ANC27LA001), Oct 1, 2026: Cessna U206F (N9572G), Meadow Lakes, AK, substantial damage, investigation ongoing - [NTSB WPR26LA360](https://openairdocs.org/ntsb/WPR26LA360), Sep 26, 2026: Cessna A185F (N185BZ), Livingston, MT, substantial damage, investigation ongoing - [NTSB WPR26LA361](https://openairdocs.org/ntsb/WPR26LA361), Sep 21, 2026: Cessna U206G (N1797R), Stony River, AK, substantial damage, investigation ongoing - [NTSB ANC26FA105](https://openairdocs.org/ntsb/ANC26FA105), Sep 15, 2026: Cessna A185F (N4358Q), Stony River, AK, 2 fatal, investigation ongoing - [NTSB ERA26LA325](https://openairdocs.org/ntsb/ERA26LA325), Sep 2, 2026: Cessna 210 (N9420M), Dawson Springs, KY, substantial damage, investigation ongoing - [NTSB WPR26LA323](https://openairdocs.org/ntsb/WPR26LA323), Aug 30, 2026: Beech E-55 (N333W), Mecca, CA, substantial damage, investigation ongoing - [NTSB ANC26LA081](https://openairdocs.org/ntsb/ANC26LA081), Aug 9, 2026: Cessna A185F (N7336H), Hope, AK, substantial damage, investigation ongoing - [NTSB WPR26LA298](https://openairdocs.org/ntsb/WPR26LA298), Aug 8, 2026: Cessna A185F (N185), Reno, NV, substantial damage, investigation ongoing - [NTSB ANC26LA085](https://openairdocs.org/ntsb/ANC26LA085), Aug 6, 2026: Beech 36 (N364EM), Port Alsworth, AK, substantial damage, investigation ongoing - [NTSB ERA26LA293](https://openairdocs.org/ntsb/ERA26LA293), Aug 5, 2026: Beech 58 (N29DA), Carlisle, PA, substantial damage. Probable cause: A collision with a deer during landing. - [NTSB ERA26LA289](https://openairdocs.org/ntsb/ERA26LA289), Jul 30, 2026: Beech A36 (N9144Q), Weston, CT, substantial damage. Probable cause: The in-flight opening of the engine cowling, which resulted in engine baffling separating from the airplane and impacting the right elevator. - [NTSB CEN26LA274](https://openairdocs.org/ntsb/CEN26LA274), Jul 29, 2026: Cessna A188B (N731CQ), Algona, IA, substantial damage. Probable cause: The pilot’s failure to maintain control during a turn, which resulted in an aerodynamic stall. - [NTSB CEN26LA271](https://openairdocs.org/ntsb/CEN26LA271), Jul 24, 2026: Beech V35 (N3707Q), Carroll, IA, substantial damage, investigation ongoing - [NTSB CEN26LA262](https://openairdocs.org/ntsb/CEN26LA262), Jul 20, 2026: Beech F33A (N933A), Janesville, WI, substantial damage, investigation ongoing - [NTSB WPR26LA240](https://openairdocs.org/ntsb/WPR26LA240), Jun 27, 2026: Bellanca 17-30A (N501CR), Santa Paula, CA, substantial damage. Probable cause: The pilot’s improper fuel management, which resulted in fuel starvation and a loss of engine power. - [NTSB WPR26LA236](https://openairdocs.org/ntsb/WPR26LA236), Jun 25, 2026: Beech S35 (N6040F), Dome, AZ, substantial damage, investigation ongoing - [NTSB WPR26FA223](https://openairdocs.org/ntsb/WPR26FA223), Jun 20, 2026: Comp Air CA6-WB (N82BT), Nicholasville, KY, destroyed, 2 fatal, investigation ongoing - [NTSB ANC26LA050](https://openairdocs.org/ntsb/ANC26LA050), May 31, 2026: Cessna A185F (N2821Q), Steele Creek, AK, substantial damage, investigation ongoing - [NTSB CEN26LA199](https://openairdocs.org/ntsb/CEN26LA199), May 27, 2026: Cessna A188B (N84497), Blair, NE, substantial damage, investigation ongoing - [NTSB ERA26LA216](https://openairdocs.org/ntsb/ERA26LA216), May 23, 2026: Cessna A188B (N8288G), Doerun, GA, substantial damage, investigation ongoing - [NTSB ERA26FA205](https://openairdocs.org/ntsb/ERA26FA205), May 12, 2026: Cessna A185F (N61368), Avon, ME, substantial damage, 1 fatal, investigation ongoing - [NTSB WPR26LA171](https://openairdocs.org/ntsb/WPR26LA171), Apr 25, 2026: Cessna 210 (N6130F), Redding, CA, substantial damage. Probable cause: The pilot’s failure to extend the landing gear before landing due to distraction and his failure to conduct the before landing checklist. - [NTSB CEN26FA172](https://openairdocs.org/ntsb/CEN26FA172), Apr 25, 2026: Beechcraft F33A (N8032X), Minneapolis, MN, destroyed, 2 fatal, investigation ongoing - [NTSB ERA26LA191](https://openairdocs.org/ntsb/ERA26LA191), Apr 24, 2026: Beech F33A (N85WM), Sanford, NC, substantial damage. Probable cause: A loss of electrical power as a result of broken stator leads within the alternator, which resulted in the pilot’s inability to extend the airplane’s landing gear. - [NTSB ANC26LA032](https://openairdocs.org/ntsb/ANC26LA032), Apr 24, 2026: Cessna A185F (N92DC), Aniak, AK, substantial damage, investigation ongoing - [NTSB ANC26LA026](https://openairdocs.org/ntsb/ANC26LA026), Apr 16, 2026: Cessna U206F (N93021), Juneau, AK, substantial damage. Probable cause: A total loss of engine power for reasons that could not be determined because the airplane was not recovered from the ocean. - [NTSB ERA26FA165](https://openairdocs.org/ntsb/ERA26FA165), Apr 13, 2026: Beech 58 (N2063G), New Market, TN, destroyed, 2 fatal, investigation ongoing - [NTSB ERA26LA173](https://openairdocs.org/ntsb/ERA26LA173), Apr 11, 2026: Beech 58 (N38020), Stevensville, MD, substantial damage. Probable cause: The pilot’s inadvertent retraction of the landing gear lever during the landing roll, which resulted in a gear collapse and runway excursion. - [NTSB CEN26LA158](https://openairdocs.org/ntsb/CEN26LA158), Apr 3, 2026: Cessna A185 (N430RP), Luverne, MN, substantial damage. Probable cause: The pilot’s failure to maintain directional control during a gusting crosswind landing, and the flight instructor’s delayed remedial action. - [NTSB ANC26LA022](https://openairdocs.org/ntsb/ANC26LA022), Mar 28, 2026: Cessna A185F (N94237), Skwentna, AK, substantial damage. Probable cause: The pilot’s loss of directional control during landing roll due to contact with wind hardened snow berm and subsequent failure of main landing gear. - [NTSB GAA26WA139](https://openairdocs.org/ntsb/GAA26WA139), Mar 25, 2026: Piper PA46 (N46MB), Mayaguana, Bahamas, substantial damage - [NTSB WPR26FA130](https://openairdocs.org/ntsb/WPR26FA130), Mar 23, 2026: Beech A36 (N2882W), Olympic Valley, CA, substantial damage, 1 fatal, investigation ongoing - [NTSB ERA26LA154](https://openairdocs.org/ntsb/ERA26LA154), Mar 21, 2026: Beech V35 (N15VM), Saluda, SC, substantial damage. Probable cause: The pilot’s failure to maintain control of the airplane during an aborted landing, which resulted in a runway excursion, collision with a fence, and a hard landing . - [NTSB ERA26LA140](https://openairdocs.org/ntsb/ERA26LA140), Mar 8, 2026: Beech A36 (N66519), Gulf Shores, AL, destroyed, 2 fatal, investigation ongoing - [NTSB ERA26LA117](https://openairdocs.org/ntsb/ERA26LA117), Feb 17, 2026: Beech V35 (N35KA), Gulf Shores, AL, substantial damage. Probable cause: The pilot’s failure to establish a positive rate of climb before retracting the landing gear, which resulted in abnormal runway contact during the takeoff roll. - [NTSB CEN26LA091](https://openairdocs.org/ntsb/CEN26LA091), Jan 15, 2026: Bellanca 17-30A (N8213R), Burnet, TX, substantial damage. Probable cause: The pilot’s improper judgement to relinquish his pilot responsibilities to the passenger with the engine operating, which resulted in a loss of airplane control and impact with a parked vehicle. - [NTSB ERA26LA065](https://openairdocs.org/ntsb/ERA26LA065), Dec 8, 2025: Beech 95-C55 (N95KC), Cocoa, FL, substantial damage. Probable cause: The flight crew’s failure to adequately manage the available fuel onboard the airplane, which resulted in a total loss of power due to fuel starvation. - [NTSB GAA26WA038](https://openairdocs.org/ntsb/GAA26WA038), Nov 27, 2025: Cessna A188 (N86448), Bragado, Argentina, substantial damage - [NTSB CEN26LA028](https://openairdocs.org/ntsb/CEN26LA028), Oct 22, 2025: Beech A36 (N17826), Hondo, TX, substantial damage. Probable cause: The pilot’s failure to extend the landing gear before landing due to distraction and his failure to conduct the Before Landing checklist. - [NTSB WPR26LA016](https://openairdocs.org/ntsb/WPR26LA016), Oct 12, 2025: Beech S35 (N35S), Olympia, WA, substantial damage. Probable cause: The pilot’s inadvertent retraction of the landing gear after landing. - [NTSB WPR25FA279](https://openairdocs.org/ntsb/WPR25FA279), Sep 16, 2025: Bellanca 17-30A (N432DM), Moriarty, NM, substantial damage, 1 fatal, investigation ongoing - [NTSB WPR25LA263](https://openairdocs.org/ntsb/WPR25LA263), Aug 23, 2025: Cessna A185F (N185GG), Lakeview, OR, substantial damage. Probable cause: The pilot’s failure to maintain directional control during the landing roll, in gusting crosswind conditions. - [NTSB ERA25FA309](https://openairdocs.org/ntsb/ERA25FA309), Aug 22, 2025: Cessna A185F (N714HE), Bangor, ME, substantial damage, 1 fatal, investigation ongoing - [NTSB CEN25LA344](https://openairdocs.org/ntsb/CEN25LA344), Aug 21, 2025: Cessna 210 (N761SV), Markesan, WI, substantial damage. Probable cause: The pilot’s failure to attain a proper touchdown point which resulted in a long landing and subsequent runway overrun. - [NTSB ANC25LA096](https://openairdocs.org/ntsb/ANC25LA096), Aug 18, 2025: Cessna A185F (N9BB), Haines, AK, substantial damage. Probable cause: The pilot’s selection of an unsuitable landing area resulting in an on-ground collision with an obscured log and a main landing gear separation. - [NTSB CEN25LA319](https://openairdocs.org/ntsb/CEN25LA319), Aug 9, 2025: Beech S35 (N861T), Lowell, MI, substantial damage. Probable cause: The pilot’s failure to extend the landing gear before landing. - [NTSB ERA25LA307](https://openairdocs.org/ntsb/ERA25LA307), Aug 8, 2025: Beech A36 (N60357), Wirt County, WV, substantial damage, investigation ongoing - [NTSB GAA25WA230](https://openairdocs.org/ntsb/GAA25WA230), Aug 5, 2025: Beech A36 (N4970M), Montevideo, Uruguay All 4,749: https://openairdocs.org/engine/continental-io-520-series/ntsb.md ## FAA accident and incident reports (8,876, 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 20260926013139A](https://openairdocs.org/incident/20260926013139A), Sep 26, 2026: Cessna A185F (N185BZ), Bozeman, MT, Substantial damage. The PIC departed Bozeman between 0830 and 0900 local time to perform touch-and-go landings at a grass landing strip prior to anticipated afternoon winds. After… - [Incident 20260921013189I](https://openairdocs.org/incident/20260921013189I), Sep 21, 2026: Cessna U206G (N1797R), Lime Village, AK, Minor damage. On 9/21/2026 at about 14:47 akl, [privacy data omitted], a Cessna 206 on floats, attempted to take off from s lake, located about 30 miles from Lime Village,… - [Accident 20260901012499A](https://openairdocs.org/incident/20260901012499A), Sep 1, 2026: Cessna 210K (N9420M), Dawson Springs, KY, Substantial damage. Pilot reported after departing airport (2I0), while climbing through 4500 feet he heard a loud bang, the engine started running rough and begin to shake, lost… - [Incident 20260823012519I](https://openairdocs.org/incident/20260823012519I), Aug 23, 2026: Bellanca 17-30A (N9709E), Scottsboro, AL, Minor damage. Aircraft left main collapsed after touchdown. - [Accident 20260810010459A](https://openairdocs.org/incident/20260810010459A), Aug 10, 2026: Cessna A185F (N7336H), Cooper Landing, AK, Substantial damage. On aug 9, 2026, at approximately 10:15 the pilot was practicing glassy water landings at Trapper Joe Lake on the kenai peninsula. He misjudged the water… - [Accident 20260805010209A](https://openairdocs.org/incident/20260805010209A), Aug 5, 2026: Beech 36 (N364EM), Port Alsworth, AK, Substantial damage. PIC narrative: On August 5th 2026 at approximately 6:34 local time, I came in for landing at Port Alsworth (tpo). At the end of the landing rollout, I… - [Accident 20260805009959A](https://openairdocs.org/incident/20260805009959A), Aug 5, 2026: Beech 58 (N29DA), Carlisle, PA, Substantial damage. While landing on runway 28 at N94 (Carlisle pa) aircraft struck deer on landing roll out causing substantial damage to the aircraft - [Accident 20260730012159A](https://openairdocs.org/incident/20260730012159A), Jul 30, 2026: Beech A36 (N9144Q), Danbury, CT, Substantial damage. On July 30, 2026, at approximately 1700 eastern daylight time, [privacy data omitted] departed westchester county airport (hpn), white plains, new york, bound… - [Incident 20260730011079I](https://openairdocs.org/incident/20260730011079I), Jul 30, 2026: Beech F33A (N23534), Greensboro, NC, Minor damage. On July 30, 2026, [privacy data omitted] landed on gso runway 5L with the landing gear retracted. The commercial pilot was the sole occupant. Minor damage was… - [Incident 20260724010349I](https://openairdocs.org/incident/20260724010349I), Jul 24, 2026: Beech V35 (N3707Q), Carroll, IA, Substantial damage. [privacy data omitted] Took off the Carroll Iowa airport (cin) rwy 03, on climb out experianced eng power loss, attempted to return to airport, landed short of… - [Accident 20260720012249A](https://openairdocs.org/incident/20260720012249A), Jul 20, 2026: Beech F33A (N933A), Janesville, WI, Substantial damage. Pilot was on approach into jvl, when aircraft was about 20 feet AGL, tower announced that the landing gear was not down. Pilot attempted to go full power but… - [Incident 20260630009469I](https://openairdocs.org/incident/20260630009469I), Jun 30, 2026: Bellanca 17-30A (N28085), Henning, MN, Minor damage. The PIC stated that a wind gust interrupted a normal landing, resulting in a hard landing and minor damage to the aircraft. - [Accident 20260627008459A](https://openairdocs.org/incident/20260627008459A), Jun 27, 2026: Bl17-Bellanca 17-30A (N501CR), Santa Paula, CA, Substantial damage. Aircraft [privacy data omitted], Bellanca 17-30A, attempted to land at Santa Paula Airport (s); however, the aircraft depleted all of its fuel from the… - [Incident 20260626009909I](https://openairdocs.org/incident/20260626009909I), Jun 26, 2026: Beech S35 (N1708W), Kingsburg, CA, Minor damage. While en route from monterey regional airport (mry) to visalia municipal airport (vis), the pilot reported that the aircraft's engine was running rough. As a… - [Accident 20260620008119A](https://openairdocs.org/incident/20260620008119A), Jun 20, 2026: Tonner Brian P CA6-WB (N82BT), Nicholasville, KY, Destroyed, 2 fatal. On 06/20/2026 at 0840 eastern time the aircraft departed the airport southbound. The pilot checked in with departure and approach control. The last ATC… - [Incident 20260614005899I](https://openairdocs.org/incident/20260614005899I), Jun 14, 2026: Beech 58 (N414SW), Bainbridge, GA, Minor damage. The pilot stated on that on approach, he lowered the gear and observed three green lights indicating that the gear was down and locked. The aircraft then… - [Incident 20260604005909I](https://openairdocs.org/incident/20260604005909I), Jun 4, 2026: Beech 58 (N712JZ), Livingston, TN, Minor damage. On 06/04/2026, at approximately 15:00Z (10:00 CDT), the pilot in command (PIC), operating a Beechcraft baron 58 with only the pilot on board, experienced dual… - [Incident 20260603005419I](https://openairdocs.org/incident/20260603005419I), Jun 3, 2026: Cessna 210L (N1190Q), Gilford, NH, Minor damage. On June 3, 2026, at approximately 2056Z, the pilot indaicated that he performed a stable approach to runway 08 at klci. Flaps were at 30 and gear was down PIC… - [Incident 20260601010869I](https://openairdocs.org/incident/20260601010869I), Jun 1, 2026: Beech F33A (N8586R), La Porte, IN, Minor damage. On 06/01/2026 an Beech F33A was performing practice ILS approaches into laporte municipal airport. The aircraft departed and made three approaches, two go… - [Incident 20260601006899I](https://openairdocs.org/incident/20260601006899I), Jun 1, 2026: Piper PA-46-310P (N744DD), Fort Pierce, FL, Minor damage. Aircraft [privacy data omitted], a Piper PA-46-310P, [privacy data omitted], was conducting a landing at Treasure Coast International Airport (frp) on… - [Accident 20260531006549A](https://openairdocs.org/incident/20260531006549A), May 31, 2026: Cessna A185F (N2821Q), Fairbanks, AK, Substantial damage. The pilot attempted to takeoff downhill and downwind from Remote airstrip. During the takeoff roll, the pilot lost control and the aircraft veered off the… - [Accident 20260527005949A](https://openairdocs.org/incident/20260527005949A), May 27, 2026: Cessna A188B (N84497), Blair, NE, Substantial damage. -On 05/27/2026 accident aircraft departed airport on a maintenance ferry flight. -The aircraft arrived at destination airport and accident pilot reported… - [Accident 20260523010489A](https://openairdocs.org/incident/20260523010489A), May 23, 2026: Cessna A188B (N8288G), Doe Run, GA, Substantial damage. The pilot took off from a grass strip and turned in the dirtection of the corn field he was going to spray. At 200 feet AGL he set the power and noticed that… - [Accident 20260512005299A](https://openairdocs.org/incident/20260512005299A), May 12, 2026: Cessna A185F (N61368), Avon, ME, Destroyed, 1 fatal. On the morning of the accident, the float-equipped aircraft was conducting public fish stocking operations. Prior to the flight to the stocking location, the… - [Incident 20260507003699I](https://openairdocs.org/incident/20260507003699I), May 7, 2026: Beech F33A (N3688R), Redbluff, CA, Minor damage. On may 7th, 2026, at approximately 0900 PDT, a Beech F33A aircraft, registration number [privacy data omitted], performed a gear-up landing at Redbluff… - [Incident 20260430004739I](https://openairdocs.org/incident/20260430004739I), Apr 30, 2026: Beech 36 (N7089N), Rapid City, SD, No damage. Through this investigation we were unable to find a contributing factor. The aircraft inspections have not produced any concerns or issues. The review of… - [Accident 20260425005399A](https://openairdocs.org/incident/20260425005399A), Apr 25, 2026: Beech F33A (N8032X), Brooklyn Park, MN, Destroyed, 2 fatal. The pilot and passenger took off on runway 32. Seconds after becoming airborne, the pilot radioed “abort abort 32.” with landing gear still extended, the… - [Incident 20260425003119I](https://openairdocs.org/incident/20260425003119I), Apr 25, 2026: Cessna 210H (N6130F), Redding, CA, Substantial damage. A pilot operating a Cessna 210 failed to select gear in the down position for landing. - [Accident 20260424010719A](https://openairdocs.org/incident/20260424010719A), Apr 24, 2026: Beech F33A (N85WM), Sanford, NC, Substantial damage. The PIC was training IFR appoaches with CFI onboard. During their final IFR approach into ktta the PIC began the gear extension to land. Once he initiated the… - [Accident 20260424006139A](https://openairdocs.org/incident/20260424006139A), Apr 24, 2026: Cessna A185F (N92DC), Aniak, AK, Substantial damage. According to the pilot the left wheel-ski snapped the left axle upon take off at 10:15 am. The pilot elected to continue on to the aircraft final destination… - [Accident 20260416004049A](https://openairdocs.org/incident/20260416004049A), Apr 16, 2026: Cessna U206F (N93021), Juneau, AK, Destroyed. During cruise flight the engine stopped lost all power. Pilot was over the ocean at 1300 MSL. Several attempts to restart the engine. Pilot reports the engine… - [Accident 20260413005459A](https://openairdocs.org/incident/20260413005459A), Apr 13, 2026: Beech 58 (N2063G), New Market, TN, Destroyed, 2 fatal. On April 13, 2026, about 1308 eastern daylight time, a Beechcraft 58 multi-engine airplane was destroyed when it was involved in an accident near New Market,… - [Accident 20260411004759A](https://openairdocs.org/incident/20260411004759A), Apr 11, 2026: Beech 58 (N38020), Stevensville, MD, Substantial damage. Aircraft landed on runway 11. When on the ground during the landing roll PIC intended to retract the flaps and inadvertently retracted the landing gear.… - [Incident 20260408003359I](https://openairdocs.org/incident/20260408003359I), Apr 8, 2026: Beech F33A (N1913L), Crump, TN, Minor damage. On April 8, 2026, [privacy data omitted]operator arrived at kpmu around 7:00 am, checked the weather, moved aircraft out of the hangar, and requested fuel. The… - [Accident 20260403002629A](https://openairdocs.org/incident/20260403002629A), Apr 3, 2026: Cessna A185F (N430RP), Luverne, MN, Substantial damage. The instructor and student flew to an airport for tailwheel landing training. The weather conditions there included rain and winds reported at 050 at 8 knots,… - [Accident 20260328002869A](https://openairdocs.org/incident/20260328002869A), Mar 28, 2026: Cessna A185F (N94237), Skwentna, AK, Substantial damage. The flight was a personal flight with one passenger to the pilot’s cabin near sqwentna, Alaska. The weather conditions were day VFR and the wind was calm. The… - [Accident 20260322002109A](https://openairdocs.org/incident/20260322002109A), Mar 22, 2026: Beech A36 (N2882W), Truckee, CA, Substantial damage, 1 fatal. The aircraft departed mry en route to trk on March 22, 2025, and subsequently crashed at approximately 1730 hours, 13.5 miles northwest of trk. The pilot was… - [Incident 20260320001709I](https://openairdocs.org/incident/20260320001709I), Mar 20, 2026: Beech 58 (N584BL), Shafter, CA, Minor damage. On 03/20/2026 a BE58, had an incident in Shafter CA, (mit) landing with the gear up causing minor damage to the aircraft. Damage was limited to the propellers… - [Accident 20260307010839A](https://openairdocs.org/incident/20260307010839A), Mar 7, 2026: Beech A36 (N66519), Gulf Shores, AL, Destroyed, 2 fatal. Approximately 8 miles east of kjka, aircraft impacted the water and broke apart after being vectored onto the final approach course for the RNAV approach to… - [Incident 20260307007209I](https://openairdocs.org/incident/20260307007209I), Mar 7, 2026: Beech S35 (N8924M), Marana, AZ, Minor damage. While operating bonanza [privacy data omitted], the pilot conducted a gear-up landing. The pilot reported being distracted by other cockpit duties and radio… - [Incident 20260227002409I](https://openairdocs.org/incident/20260227002409I), Feb 27, 2026: Cessna 310R (N310AC), Palo Alto, CA, Minor damage. After speaking with the PIC at the time of the incident, the landing was normal to include the mains touching down and transition to the nose wheel. Shortly… - [Incident 20260225001939I](https://openairdocs.org/incident/20260225001939I), Feb 25, 2026: Cessna 210M (N707ER), Cleveland, OH, Minor damage. Pilot stated that he was the solo person on board and the PIC Tuesday night at approximately 8:00PM and the mishap occurred while attempting to land at… - [Accident 20260217000819A](https://openairdocs.org/incident/20260217000819A), Feb 17, 2026: Beech V35B (N35KA), Gulf Shores, AL, Substantial damage. Pilot began the takeoff roll with approximately 15 degrees flaps, and as the aircraft reached the appropriate rotation speed, the pilot initiated the gear up… - [Incident 20260215001199I](https://openairdocs.org/incident/20260215001199I), Feb 15, 2026: Beech S35 (N6824Q), Weatherford, OK, Minor damage. The pilot made a gear up landing on runway 35 at Weatherford airport (koja) on February 15, 2026 at approximately 1315 local time. There were no injuries and… - [Incident 20260215000829I](https://openairdocs.org/incident/20260215000829I), Feb 15, 2026: Bellanca 17-30A (N8202R), Mcallen, TX, Minor damage. On February 15, 2026, at approximately 1445 CST, aircraft N8202R, a Bellanca model 17-30A, serial number 30418, declared an emergency and landed short of… - [Incident 20260119000339I](https://openairdocs.org/incident/20260119000339I), Jan 19, 2026: Cessna 320D (N3325Q), Flagstaff, AZ, Minor damage. On January 19, 2026, a pilot was conducting a series of touch-and-go landings on runway 3 at Flagstaff, AZ airport under VFR conditions with clear skies and… - [Accident 20260115001509A](https://openairdocs.org/incident/20260115001509A), Jan 15, 2026: Bellanca 17-30A (N8213R), Burnet, TX, Substantial damage. [privacy data omitted] A Bellanca super viking was substantially damaged after colliding with a vehicle on the ramp at kbmq, Burnet municipal airport after the… - [Incident 20260110000189I](https://openairdocs.org/incident/20260110000189I), Jan 10, 2026: Cessna P206D (N206JD), Hillsboro, OR, Minor damage. As stated by the pilot: The pilot contacted Hillsboro ground, letting them know of my intentions to do a brake burn-in, and that this would be a ground… - [Incident 20251229020619I](https://openairdocs.org/incident/20251229020619I), Dec 29, 2025: Cessna 210D (N3791Y), Liberal, KS, Minor damage. While en route to Liberal municipal airport (lbl) to pick up a relative, the aircraft landed on runway 17 with the landing gear retracted, resulting in a belly… - [Incident 20251212018959I](https://openairdocs.org/incident/20251212018959I), Dec 12, 2025: Beech 58 (N321WM), Kissimmee, FL, Minor damage. On 12/12/2025 at approximately 1730 EST, a Beechcraft BE58 departed for a personal flight from cecil airport (vqq), jacksonville, FL to Kissimmee Gateway… All 8,876: https://openairdocs.org/engine/continental-io-520-series/incidents.md ## Service difficulty reports (446, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR XGNA202404080001](https://openairdocs.org/sdr/XGNA202404080001), Apr 6, 2024: ENGINE. POWER LOSS. DURING CLIMB A PARTIAL LOSS OF ENGINE POWER OCCURRED WITH FLUCTUATING MANIFOLD PRESSURE. ALL OTHER ENGINE PARAMETERS WERE NORMAL. MAGNETO DROPS WERE NORMAL. PIL - [SDR XGNA202404080002](https://openairdocs.org/sdr/XGNA202404080002), Apr 6, 2024: ENGINE. POWER LOSS. DURING CLIMB A PARTIAL LOSS OF ENGINE POWER OCCURRED WITH FLUCTUATING MANIFOLD PRESSURE. ALL OTHER ENGINE PARAMETERS WERE NORMAL. PILOT RETURNED TO THE AIRPORT. - [SDR 2022FA0000041](https://openairdocs.org/sdr/2022FA0000041), Jan 21, 2022: NONE. NONE. OPERATOR REPORTED "ALTERNATOR OUT" LIGHT ILLUMINATES INTERMITTENTLY. VISUAL INSPECTION OF WIRING AT ALTERNATOR REVEALED THE ALTERNATOR CASE HALVES WERE NOT SECU - [SDR 2020FA0000331](https://openairdocs.org/sdr/2020FA0000331), Jul 10, 2020: ROD. BROKEN. DECLARED AN EMERGENCY DURING CRUISE FLIGHT AT 5500 FT. THE PILOT REPORTED ENGINE FAILURE TO ATC AND MADE A FORCED LANDING ON A HIGHWAY, APPROXIMATELY 12 MILES N - [SDR 2020FA0000046](https://openairdocs.org/sdr/2020FA0000046), Jan 15, 2020: TURNBUCKLE. CORRODED. THE AIRCRAFT WAS IN OUR REPAIR SHOP FOR CYLINDER WORK. THE OWNER ASKED WHILE IT HERE, TO LOOK AT THE RIGHT AILERON TURNBUCKLE. THIS REQUEST WAS BASED ON INFORMA - [SDR 4S42020F00002](https://openairdocs.org/sdr/4S42020F00002), Jun 18, 2019: DOUBLER. CRACKED. THE FOLLOWING IS THE INFORMATION FOR THE FAA FORM 8010-4 MALFUNCTION OR DEFECT REPORT REFERENCE CRACKS IN THE MLG ACTUATOR BULKHEAD DOUBLERS ON CESSNA 210E SN 2 - [SDR 2020FA0000087](https://openairdocs.org/sdr/2020FA0000087), Feb 18, 2019: FORK. CRACKED. CRACK FOUND ON PITCH CHANGE FORK DURING MAGNETO PARTICLE INSPECTION. THE CRACK IS APPROXIMATELY 0.125 INCHES LONG AND IS LOCATED ON THE BOTTOM CORNER OF THE BLO - [SDR 2018FA0000518](https://openairdocs.org/sdr/2018FA0000518), Jul 23, 2018: PUMP. BROKEN. HYDRAULIC PUMP LEAKS 5606 FROM HOUSING PARTING SURFACES DURING OPERATION. TWO HOUSING BOLTS APPEAR TO BE STRIPPED, BROKEN AND HOUSING SEAL IS EXTRUDING PAST PAR - [SDR 2017FA0000376](https://openairdocs.org/sdr/2017FA0000376), Aug 8, 2017: ENGINE. MALFUNCTIONED. AFTER 12 - 15 MINUTES ON THE GROUND AND ENGINE RUN UP WITH NO INDICATIONS OF ANY PROBLEMS WITH ANY SYSTEMS, LEFT ENGINE HAD POWER LOSS WITHIN 1 - 2 SECONDS AFTE - [SDR 2017FA0000547](https://openairdocs.org/sdr/2017FA0000547), Apr 11, 2017: NUT. BACKED OUT. DURING FLIGHT, NOTICED THE THROTTLE WAS NOT RESPONDING CORRECTLY. IT HAD ADVANCED TO FULL POWER. TRIED TO TROUBLESHOOT AND EVENTUALLY FOUND THE THROTTLE STUCK A - [SDR 2017F00014](https://openairdocs.org/sdr/2017F00014), Dec 27, 2016: LINE. FAILED. DURING LANDING, NOTED THAT RIGHT HAND BRAKES WERE UNRESPONSIVE. SLOWED AIRCRAFT AS BEST AS POSSIBLE AND ROLLED OFF END OF RUNWAY INTO A GRASS FIELD. AIRCRAFT SU - [SDR 2016FA0000646](https://openairdocs.org/sdr/2016FA0000646), Dec 8, 2016: LIFTER. DAMAGED. THE SURFACE OF THE LIFTER THAT CONTACT THE CAMSHAFT ARE SPALLED AND CORRODED. REPLACED THE LIFTERS. - [SDR 2017FA0000583](https://openairdocs.org/sdr/2017FA0000583), Nov 11, 2016: SPRING. WORN. SPRING TENSION WEAKENED OVER TIME AND DEFORMED CAUSING BLOCKAGE AND INABILITY TO PROPERLY BLEED AND SERVICE SYSTEM CAUSING BRAKE FAILURE ON LANDING AND SUBSEQUE - [SDR 2016FA0000326](https://openairdocs.org/sdr/2016FA0000326), Jul 13, 2016: CLAMP. FAILED. HOSE CLAMP ASSEMBLY FAILED ON THE FUEL INDUCTION SYSTEM CAUSING ENGINE TO FAIL. - [SDR 2015FA0000519](https://openairdocs.org/sdr/2015FA0000519), Aug 31, 2015: BOLT. CORRODED. AFTER LANDING, DURING THE LANDING ROLL THE LT MAIN GEAR WHEEL COLLAPSED. RESULTING IN DAMAGE TO THE LT WING AND LT SIDE OF FUSELAGE. DURING THE INSPECTION OF TH - [SDR 2015FA0000278](https://openairdocs.org/sdr/2015FA0000278), Jun 19, 2015: WARNING LIGHT. ILLUMINATED. AIRCRAFT OVERVOLTAGE LIGHT ILLUMINATED. - [SDR CA150330004](https://openairdocs.org/sdr/CA150330004), Mar 30, 2015: ATTACH FITTING. CRACKED. (CAN) DURING REMOVAL OF ACFT SEAPLANE FLOATS FOR ACFT CORROSION INSPECTIONS, IT WAS FOUND THAT BOTH RT AND LT FORWARD FUSELAGE ATTACH FITTINGS WERE CRACKED. BOT - [SDR KC2R2015020549760](https://openairdocs.org/sdr/KC2R2015020549760), Feb 4, 2015: IMPULSE COUPLING. CRACKED. IMPULSE COUPLING FOUND TO BE CRACKED AT ADVANCE STOP NOTCHES OF BASE PLATE. DEFECT WAS DISCOVERED USING MAGNETIC PARTICLE INSPECTION OF PART DURING PERFORMANCE - [SDR EPUA20150204001](https://openairdocs.org/sdr/EPUA20150204001), Feb 4, 2015: MAGNETO. MALFUNCTIONED. DURING CRUISE PILOT NOTICED RPM LOSS & VIBRATION FROM THE ENG. ACFT RETURNED & LANDED SAFELY WITHOUT INCIDENCE. INSPECTED ENG & REPLACED BOTH MAGNETOS & ALL SPA - [SDR CTUR2015FA0000020](https://openairdocs.org/sdr/CTUR2015FA0000020), Dec 31, 2014: RETAINING RING. DISLODGED. THE RETAINING RING DISLODGED FROM THE RETAINING RING GROVE, WHICH ALLOWED THE PISTON AND ROD AND MAIN GEAR ACTUATOR GLAND TO SEPARATE FROM THE MAIN GEAR ACTUATO - [SDR KC2R1218201449621](https://openairdocs.org/sdr/KC2R1218201449621), Dec 18, 2014: IMPULSE COUPLING. CRACKED. DURING A ROUTINE 500 HR INSPECTION OF THE MAGNETOS, FOUND BOTH IMPULSE COUPLINGS CRACKED AT HUB PLATE, NEAR FULL ADVANCE STOP NOTCH. - [SDR KC2R2014111749540](https://openairdocs.org/sdr/KC2R2014111749540), Nov 17, 2014: IMPULSE COUPLING. CRACKED. DURING A 500 HR INSPECTION ON THE MAGNETOS, IT WAS DISCOVERED THAT IMPULSE COUPLING HAD CRACKS IN FLYWEIGHT BASE PLATE. CRACKS DETECTED USING MAGNETIC PARTICLE - [SDR 2014FA0000541](https://openairdocs.org/sdr/2014FA0000541), Aug 10, 2014: CYLINDER. BURST. PROPELLER CYLINDER C3550 BURST FROM OIL PRESSURE, PROBABLE FROM GOVERNOR. GOVERNOR MUST BE TESTED BEFORE PROPELLER REINSTALLED. PROPELLER HUB SERIAL 700239. REJ - [SDR BSYA20140715001](https://openairdocs.org/sdr/BSYA20140715001), Jul 15, 2014: BATTERY. FAILED. PILOT HAD A COMPLETE ELEC FAILURE AFTER TAKEOFF & RETURNED SAFELY. - [SDR EPUA20140515001](https://openairdocs.org/sdr/EPUA20140515001), May 14, 2014: ADAPTER. FAILED. PILOT REPORTS THAT THE STARTER WAS SLIPPING. THE STARTER DRIVE ADAPTER SPRING WAS BROKEN & HAD DAMAGED THE CRANKSHAFT GEAR RETAINING BOLTS & SAFETY WIRE. THE SA - [SDR AU3R20140515001](https://openairdocs.org/sdr/AU3R20140515001), May 14, 2014: HEATER. DISLODGED. DURING REMOVAL OF THE LT LOWER SIDE ENGINE COMPARTMENT INSPECTION PANEL, THE LT SUMP HEATER WAS FOUND DISLOGGED AND WRAPPED AROUND THE THROTTLE ARM AND CABLE. - [SDR 2014FA0000305](https://openairdocs.org/sdr/2014FA0000305), Apr 25, 2014: DRAG LINK. FAILED. NOSE GEAR COLLAPSE, ON LANDING. STRUCTURAL, PROPELLER, AND SUSPECTED ENGINE DAMAGE OCCURRED. INVESTIGATION REVEALED THAT THE NOSE GEAR DRAG LINK ASSEMBLY BROKEN - [SDR EPUA20140414001](https://openairdocs.org/sdr/EPUA20140414001), Apr 11, 2014: ADAPTER. FAILED. ENGINE WOULD NOT START. THE STARTER DRIVE ADAPTER FAILED. IT WAS FOUND THAT THE STARTER DRIVE ADAPTER SPRING CONTACTED THE CRANKSHAFT FLYWHEEL RETAINING BOLTS & - [SDR EPUA20140131001](https://openairdocs.org/sdr/EPUA20140131001), Jan 29, 2014: LIFTER. DIRTY. ENGINE ROUGH, BACKFIRES AT LOW POWER SETTINGS. CLEANED NR 1 INTAKE LIFTER & REINSTALLED. OPERATIONS CHECKED GOOD. - [SDR EPUA20131010001](https://openairdocs.org/sdr/EPUA20131010001), Oct 8, 2013: DISTRIBUTOR GEAR. BROKEN. DURING FLIGHT THE LT MAGNETO WAS NOT OPERATING CORRECTLY. IN THE COURSE OF NON ROUTINE MAINTENANCE THE LT MAGNETO WAS FOUND TO HAVE A BROKEN DISTRIBUTOR GEAR. F - [SDR BSYR201309252062](https://openairdocs.org/sdr/BSYR201309252062), Sep 25, 2013: ENGINE. SURGES. AFTER TAKEOFF, LT ENGINE STARTED TO SURGE. PILOT NOTICED FUEL PRESSURE WAS FOLLOWING THE SURGE. SHUTDOWN LT ENGINE AND RETURNED AND LANDED SAFELY WITHOUT INCIDE - [SDR BSYR20130723054](https://openairdocs.org/sdr/BSYR20130723054), Jul 22, 2013: LANDING GEAR. MALFUNCTIONED. AFTER TAKEOFF, LANDING GEAR WOULD NOT RETRACT. PILOT RETURNED AND LANDED SAFELY WITHOUT INCIDENT. OPEN - [SDR 2013FA0000286](https://openairdocs.org/sdr/2013FA0000286), May 17, 2013: CIRCUIT BREAKER. FAILED. PILOT REPORTED THE NAV LIGHT AS BEING INOPERATIVE. DURING TROUBLESHOOTING, FOUND THE CIRCUIT BREAKER TO BE AT FAULT. NO PROBABLE CAUSE AT THIS TIME. REPLACED TH - [SDR MKT2013F00000](https://openairdocs.org/sdr/MKT2013F00000), Apr 16, 2013: TUBE. SPLIT. THIS IS 1 OF ABOUT 10 INNER TUBES WE HAVE HAD SPLIT IN A SEAM AND CAUSED A FLAT TIRE, THERE HAVE BEEN NO SIGN OF A HOLE IN THESE TIRES AND NO HARD LANDING, NOT - [SDR VJ3R20130406001](https://openairdocs.org/sdr/VJ3R20130406001), Apr 6, 2013: RELAY. INTERMITTENT. DURING THE SECOND LANDING AT AIRPORT, THE CREW SELECTED GEAR DOWN, THE GEAR SHOWED DOWN AND LOCKED AND CREW SAW AND SMELLED SMOKE. THE LANDING GEAR CIRCUIT BREA - [SDR 2013FA0000204](https://openairdocs.org/sdr/2013FA0000204), Mar 30, 2013: CIRCUIT BREAKER. FAILED. PILOT REPORTED THE LANDING LIGHT AS BEING INOPERATIVE. DURING TROUBLESHOOTING THE TECHNICIAN FOUND THE CIRCUIT BREAKER TO BE AT FAULT. NO PROBABLE CAUSE AT THIS - [SDR 2013FA0000220](https://openairdocs.org/sdr/2013FA0000220), Mar 21, 2013: LINE. LEAKING. PILOT REPORTED FUEL ODOR IN CABIN. AFTER INSPECTION, IT WAS DETERMINED THAT THE RIGID FUEL CROSSFEED LINES THAT RUN THROUGH THE FUSELAGE, INSIDE THE MAIN SPAR B - [SDR 2013FA0000132](https://openairdocs.org/sdr/2013FA0000132), Feb 20, 2013: O-RING. FAILED. INTERNAL O-RING FAILED AND UPLOCK WOULD NOT RELEASE NOSE GEAR, RESULTING IN GEAR NOT EXTENDING, PROP DAMAGE, SUDDEN ENGINE STOPPAGE, AND LOWER SKIN DAMAGE. - [SDR 2012FA0000805](https://openairdocs.org/sdr/2012FA0000805), Dec 7, 2012: LIFTER. SPALLED. SMALL METALLIC PARTICLES NOTED IN OIL FILTER. SHARP EDGES, NOTED ON PARTICLES UNDER MAGNIFIED VISUAL INSPECTION, INDICATED POSSIBILITY OF LIFTER FACE SPALLING. - [SDR CA121126014](https://openairdocs.org/sdr/CA121126014), Nov 12, 2012: PIVOT. CRACKED. (CAN) CRACK DISCOVERED ON THE TUBE OF THE BOW WHEEL PIVOT ASSY. CRACK FORMED CLOSE TO WHERE THE ARM ASSY MOUNTS TO THE BOW OF THE FLOAT. - [SDR 2012FA0000684](https://openairdocs.org/sdr/2012FA0000684), Sep 13, 2012: BOLT. SHEARED. AFT HYDRAULIC ACTUATOR BOLT WAS FOUND TO BE SHEARED IN HALF AND DISPLACED FROM ITS DESIGNED LOCATION. THE FAILURE OCCURRED DURING SKI ACTUATION WHILE AIRBORNE, - [SDR 2012FA0000584](https://openairdocs.org/sdr/2012FA0000584), Aug 20, 2012: CIRCUIT BREAKER. FAILED. PILOT REPORTED VENT BLOWER NOT WORKING. DURING TROUBLESHOOTING, THE TECH FOUND THE CIRCUIT BREAKER AT FAULT. INSTALLED A NEW CIRCUIT BREAKER. OPS CHECK NORMAL. - [SDR 2012FA0000585](https://openairdocs.org/sdr/2012FA0000585), Aug 20, 2012: CIRCUIT BREAKER. FAILED. PILOT REPORTED TAXI LIGHT NOT WORKING. DURING TROUBLESHOOTING THE TECHNICIAN FOUND THE CIRCUIT BREAKER AT FAULT. INSTALLED A NEW CIRCUIT BREAKER. OPS CHECK NORM - [SDR 2012FA0000495](https://openairdocs.org/sdr/2012FA0000495), Jun 18, 2012: RETAINER. BACKED OUT. DURING TAXI, LT WHEEL OUTER TIRE RETAINER HARDWARE BACKED OUT AND PULLED THREADS FROM INNER WHEEL HUB, OUTER TIRE RETAINER DEPARTED AND ALLOWED TIRE AND TUBE TO - [SDR 2012FA0000363](https://openairdocs.org/sdr/2012FA0000363), May 30, 2012: BLADE. GOUGED. NOTICED OIL ON NOSE COWL. PROP REMOVED TO REPLACE CRANKSHAFT O-RING. BUT DURING REMOVAL, IT WAS DISCOVERED THAT THE SEEPAGE WAS ACTUALLY COMING FROM A BLADE. SE - [SDR CA120618005](https://openairdocs.org/sdr/CA120618005), May 26, 2012: CYLINDER. DAMAGED. (CAN) ALL CYLINDERS REPLACED DUE TO VALVE GUIDES BEING TOO TIGHT & BENDING THE PUSH RODS. - [SDR 2012FA0000249](https://openairdocs.org/sdr/2012FA0000249), Apr 28, 2012: CIRCUIT BREAKER. FAILED. PILOT REPORTED STROBE LIGHTS TO BE INOPERATIVE. DURING TROUBLESHOOTING, FOUND THE STROBE LIGHT CIRCUIT BREAKER TO BE AT FAULT. INSTALLED A NEW STROBE LIGHT CIRC - [SDR CA120620008](https://openairdocs.org/sdr/CA120620008), Mar 26, 2012: CRANKSHAFT. FAILED. (CAN) ACFT ENG SN 282949-R CRANKCASE FAILURE, 7TH STUD CRANKCASE, CRANKCASE FRETTING ON NR 2 & 3 INTERMEDIATE BEARING SADDLE THRU-BOLT PADS. WHEN THIS OCCURS, T - [SDR BSYA20120215009](https://openairdocs.org/sdr/BSYA20120215009), Feb 15, 2012: CYLINDER HEAD. CRACKED. ON DESCENT INTO LWM, LEFT ENGINE STARTED BACK FIRING WHEN THROTTLE PULLED BACK. MAINTENANCE FOUND NR 1 AND NR 3 CYLINDER HEADS CRACKED. MAINTENANCE REPLACED NR - [SDR 2012FA0000184](https://openairdocs.org/sdr/2012FA0000184), Feb 10, 2012: HUB. CRACKED. PROP ASSY WAS SUBMITTED FOR O/H AND OIL LEAK FROM CRACK. CRACK EXTENDS FROM BLADE NR 1 PORTAL THROUGH THE CYL MOUNTING SURFACE. All 446: https://openairdocs.org/engine/continental-io-520-series/reports.md ## STCs that may be installed (OpenAirDocs) (87, first 50) 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 SE5583SW](https://openairdocs.org/stc/SE5583SW): Installation of fuel flow transducers (true-flow totalizer). Alcor LLC - [STC SE01844SE](https://openairdocs.org/stc/SE01844SE): Installation of fuel control modification and associated hardware. Metal Innovations Inc. dba MII Aero. Lists IO-520-D - [STC SE04349CH](https://openairdocs.org/stc/SE04349CH): Installation of SureFly electronic ignition. SureFly Partners Ltd. Lists IO-520-A - [STC SE02352CH](https://openairdocs.org/stc/SE02352CH): Installation of Challenger cleanable oil filter assembly. Challenger Aviation Products Inc. Lists IO-520-A - [STC SE03309CH](https://openairdocs.org/stc/SE03309CH): Installation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt application. Hartzell Propeller Inc. Lists IO-520-A - [STC SE04577CH](https://openairdocs.org/stc/SE04577CH): Install an electronic engine ignition system. Electroair Acquisition Corp. Lists IO-520-A - [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc. Lists IO-520-A - [STC SE09356SC](https://openairdocs.org/stc/SE09356SC): Install F & M Enterprises' Model C6LC, C6LC-S or C6LC-L oil filter adapter for a spin-on oil filter. Stratus Tool Technologies LLC. Lists IO-520-A - [STC SE03704AT](https://openairdocs.org/stc/SE03704AT): Convert Continental Motors IO-520-A, -D, -E, -F and -L engine to Vitatoe Aviation, LLC IO-520-A-CF, -D-CF, -E-CF, -F-CF or -L-CF engine in accordance with Master Parts List PL2008-7 Rev. C dated August 2, 2018 or later FAA approved revision and Assembly Instructions PL2008-13 Rev C. dated August 2, 2018 or later FAA approved revision. Vitatoe Aviation LLC. Lists IO-520-A - [STC SE09217SC](https://openairdocs.org/stc/SE09217SC): Installation of modified fuel injector nozzles. General Aviation Modifications Inc. Lists IO-520-A - [STC SE94WE](https://openairdocs.org/stc/SE94WE): Installation of oil fitting(AN-823-5D) in rocker box cover. Airwolf Filter Corporation. Lists IO-520-A - [STC SE0417CH](https://openairdocs.org/stc/SE0417CH): Turbo-normalization. Western Skyways Aircraft Modifications Inc. Lists IO-520-A - [STC SE00115SE](https://openairdocs.org/stc/SE00115SE): Replaces Teledyne-Continental Part Number 646277 lifter bodies. B & B Aviation LLC. Lists IO-520-A - [STC SE5784NM](https://openairdocs.org/stc/SE5784NM): Replacement of Teledyne Continental original camshaft. B & B Aviation LLC. Lists IO-520-A - [STC SE5785NM](https://openairdocs.org/stc/SE5785NM): Replacement of Teledyne Continental original camshaft with P/N 32122-2. B & B Aviation LLC. Lists IO-520-B - [STC SE03415CH](https://openairdocs.org/stc/SE03415CH): The turbo-normalization of Continental Motors engine models IO-520-A, -F, -J, and -L, TSIO-520-C, -G, -H, -M, and -R, and IO-550-F and L for installation into Cessna 206, 207 & 210 aircraft. DERS Group Svc LLC. Lists IO-520-A - [STC SE70RM](https://openairdocs.org/stc/SE70RM): Installation of compressor bracket. Air Comm Corporation. Lists IO-520-A - [STC SE2068NM](https://openairdocs.org/stc/SE2068NM): Remove fuel injection system, install Marvel Schebler carburetor system and revise operating limits as shown in addendum SE2068NM. Kenmore Air Harbor LLC. Lists IO-520-A - [STC SE09637SC](https://openairdocs.org/stc/SE09637SC): Remove existing rocker arm assemblies and install modify rocker arm assemblies. General Aviation Modifications Inc. Lists IO-520-A - [STC SE03187AT](https://openairdocs.org/stc/SE03187AT): STC for the conversion of Teledyne Continental Motors (TCM) Models IO-520-D, -E, -F, or -L to the respective PowerLite Models IO-550-D-AP, -E-AP, -F-AP, or -L-AP which have the same ratings and limitations as TCM Models IO-550-D, -E, -F, or -L, respectively. Vitatoe Aviation LLC. Lists IO-520-D - [STC SE8677SW](https://openairdocs.org/stc/SE8677SW): Installation of Garrett/Airesearch Model TE0659 turbocharger. Western Skyways, Inc. Lists IO-520-B - [STC SE1186SW](https://openairdocs.org/stc/SE1186SW): Regrooving of pistons P/N 631475 or P/N 632585. Continental Motors, Inc. Lists IO-520-A - [STC SE2340SW](https://openairdocs.org/stc/SE2340SW): Installation of modified cylinder assemblies, barrels, piston, and repaired crankcases. Continental Motors, Inc. Lists IO-520-A - [STC SE34WE](https://openairdocs.org/stc/SE34WE): Installation of Electro-Coatings, Inc., piston rings on Continental pistons. Continental Motors, Inc. Lists IO-520-A - [STC SE5820SW](https://openairdocs.org/stc/SE5820SW): Installation of Airmotive exhaust valve, P/N AEC-637781. Continental Motors, Inc - [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc. Lists IO-520-A - [STC SE09979SC](https://openairdocs.org/stc/SE09979SC): Modification of Teledyne Continental Motors IO-520-B, IO-520-BA, or IO-520-BB engine to an Ultimate Engines IO-550-B/UE engine. General Aviation Modifications, Inc. Lists IO-520-A - [STC SE01791LA](https://openairdocs.org/stc/SE01791LA): Conversion of the subject engines to incorporate modification of crankcase, replacing crankshaft assembly, main bearings, rod assembly, piston, fuel system, and fuel system adjustment. COLORADO AIR PARTS. Lists IO-520-B - [STC SE3330NM](https://openairdocs.org/stc/SE3330NM): Continental valve cover gasket. Real Gaskets Tennessee. Lists IO-520-A - [STC SE10746SC-D](https://openairdocs.org/stc/SE10746SC-D): Conversion of Teledyne Continental Motors (TCM) models IO-520-B, -BA, -BB to RAM model IO-550-B-RA engine, or conversion of TCM models IO-520-C, -CB to RAM model IO-550-C-RA engine. RAM Aircraft Limited Partnership. Lists IO-520-B - [STC SE993SO](https://openairdocs.org/stc/SE993SO): Installation of fuel line filters into the individual fuel injector lines in accordance with Beryl D Shannon Aviation Specialties, Inc. Installations Instructions BI 2500, approved May 24, 1976, or later FAA approved revision. D'Shannon Products Ltd. Lists IO-520-B - [STC SE267CH](https://openairdocs.org/stc/SE267CH): Installation of Slick Model 6309 and 6313 magnetos. Champion Aerospace LLC. Lists IO-520-B - [STC SE7325SW-D](https://openairdocs.org/stc/SE7325SW-D): Installation of crankcase modifications. RAM Aircraft Limited Partnership. Lists IO-520-A - [STC SE09846SC](https://openairdocs.org/stc/SE09846SC): Installation of S539800M30 starter adapter springs. Aircraft Specialties Services Inc. Lists IO-520-A - [STC SE443GL](https://openairdocs.org/stc/SE443GL): Incorporation of a fuel flow transducer. Shadin Avionics. Lists IO-520-A - [STC SE487GL](https://openairdocs.org/stc/SE487GL): Installation of a fuel flow transducer. Shadin Company Inc. Lists IO-520-C - [STC SE02881AT](https://openairdocs.org/stc/SE02881AT): STC for the conversion of Teledyne Continental Motors (TCM) Models IO-520-B, -BA or -BB to AvPower Model IO-550-B-AP which has the same ratings and limitations as TCM Model IO-550-B, or the conversion of TCM Model IO-520-C or -CB to AvPower Model IO-550-C-AP which has the same ratings and limitations as TCM Model IO-550-C. Conversion of the Models IO-520-B, -BA, or -BB to the Model IO-550-B-AP shall be performed in accordance with AvPower Report AP1004-3 Master Parts List, Revision B dated March 26, 2004 and AvPower Report AP1004-6 Assembly Instructions, Revision B dated March 26, 2004, or later FAA approved revisions. Conversion of the Models IO-520-C or -CB to the Model IO-550-C-AP shall be performed in accordance with AvPower Report AP1004-4 Master Parts List, Revision B dated March 26, 2004 and AvPower Report AP1004-7 Assembly Instructions, Revision B dated March 26, 2004, or later FAA approved revisions. AERO Aviation Company. Lists IO-520-B - [STC SE1780NM](https://openairdocs.org/stc/SE1780NM): Installation of Precise Flight standby vacuum system (SVS III). Precise Flight Inc. Lists IO-520-A - [STC SE5743NM](https://openairdocs.org/stc/SE5743NM): Intallation of adapter for externally mounted oil filter. Aviation Development Corporation. Lists IO-520-A - [STC SE00392NY](https://openairdocs.org/stc/SE00392NY): Installation of 'second wind' auxiliary vacuum system intake manifold air adapter assembly. Must be performed with STC SA00391NY. Flight Life, Inc. Lists IO-520-BA - [STC SE09997SC](https://openairdocs.org/stc/SE09997SC): Modification of Teledyne Continental Motors IO-520-B or IO-520-BA or IO-520-BB engine. Barrett Performance Aircraft - [STC SE00215DE](https://openairdocs.org/stc/SE00215DE): Modification to Teledyne Continental engine for the installation of a turbonormalizing system. Engine Technologies Inc. Lists IO-520-D - [STC SE09513SC](https://openairdocs.org/stc/SE09513SC): Installation and usage of Exxon 20W50 Multigrade aircraft engine oil conforming to Exxon Oil Formulation WS-3013. Exxon Company USA - [STC SE09559SC](https://openairdocs.org/stc/SE09559SC): Installation of US Airparts roller rocker arm assemblies P/N US92E exhaust and US92I intake. US Airparts, Inc. Lists IO-520-A - [STC SE55WE](https://openairdocs.org/stc/SE55WE): Modification of fuel injection manifold valve P/N 626547 to the P/N 631427 or P/N 636326 configuration. AAR Aircraft Services Inc. d/b/a AAR Aircraft Services-Oklahoma - [STC SE5222NM](https://openairdocs.org/stc/SE5222NM): Modification to teledyne Continental engine for the installation of turbonormalizing system. Engine Technologies Inc. Lists IO-520-B - [STC SE09289SC](https://openairdocs.org/stc/SE09289SC): Installation of modified fuel injector nozzles. General Aviation Modifications, Inc. Lists IO-520-B - [STC SE00577NY](https://openairdocs.org/stc/SE00577NY): Installation of Canadian Aero Mfg. (C.A.M.) Oil Coolers. Canadian Aero Manufacturing. Lists IO-520-A - [STC SE09319SC](https://openairdocs.org/stc/SE09319SC): Modify oil pan adding a new oil sump drain. Texas Skyways Inc - [STC SE00350SE](https://openairdocs.org/stc/SE00350SE): Installation of sump mounted chip detector. Aviation Development Corporation. Lists IO-520-A All 87: https://openairdocs.org/engine/continental-io-520-series/stcs.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.