# Continental IO-520-F

- Type: Engine model (FAA registry)
- Registry code: 17237
- Manufacturer (registry): CONT MOTOR
- Model: IO-520-F
- Engine type: Reciprocating
- Power: 300 hp
- Data sheet: [TCDS E5CE](https://openairdocs.org/tcds/E5CE) (OpenAirDocs)
- Holder: Continental Aerospace Technologies, Inc.
- Installed in: 80 registered aircraft
- Page: https://openairdocs.org/engine/continental-io-520-f

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 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 2023-05-16](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 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 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 88-03-06](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 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 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 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 94-14-12](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 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) (10)

- [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

## Registered aircraft (80, first 50)

- [N1120V](https://openairdocs.org/aircraft/N1120V): [Kodiak Marine Construction](https://openairdocs.org/faa-owner/KODIAK%20MARINE%20CONSTRUCTION), [Oakley, ID](https://openairdocs.org/faa-place/ID/Oakley), built 1976, S/N U20603130
- [N120JH](https://openairdocs.org/aircraft/N120JH): [C&C Cessna LLC](https://openairdocs.org/faa-owner/C%26C%20CESSNA%20LLC), [Baltimore, MD](https://openairdocs.org/faa-place/MD/Baltimore), built 1977, S/N U20603636
- [N1450M](https://openairdocs.org/aircraft/N1450M): [Crescent Solutions Group LLC](https://openairdocs.org/faa-owner/CRESCENT%20SOLUTIONS%20GROUP%20LLC), [Camden, DE](https://openairdocs.org/faa-place/DE/Camden), built 1970, S/N U20601450
- [N1733R](https://openairdocs.org/aircraft/N1733R): [Northstar Holdings LLC](https://openairdocs.org/faa-owner/NORTHSTAR%20HOLDINGS%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1973, S/N U20602068
- [N206FL](https://openairdocs.org/aircraft/N206FL): built 1978, S/N U20604627
- [N206J](https://openairdocs.org/aircraft/N206J): [J Bear Tours LLC](https://openairdocs.org/faa-owner/J%20BEAR%20TOURS%20LLC), [Homer, AK](https://openairdocs.org/faa-place/AK/Homer), built 1967, S/N U2060965
- [N206K](https://openairdocs.org/aircraft/N206K): [Air & Opportunity Aviation LLC](https://openairdocs.org/faa-owner/AIR%20%26%20OPPORTUNITY%20AVIATION%20LLC), [Austin, TX](https://openairdocs.org/faa-place/TX/Austin), built 1969, S/N U206-1333
- [N206KW](https://openairdocs.org/aircraft/N206KW): [Coyote Air LLC](https://openairdocs.org/faa-owner/COYOTE%20AIR%20LLC), [Fairbanks, AK](https://openairdocs.org/faa-place/AK/Fairbanks), built 1977, S/N U20603762
- [N206LF](https://openairdocs.org/aircraft/N206LF): [Boruch Joseph](https://openairdocs.org/faa-owner/BORUCH%20JOSEPH), [Old Lyme, CT](https://openairdocs.org/faa-place/CT/Old%20Lyme), built 1980, S/N U20605436
- [N206VT](https://openairdocs.org/aircraft/N206VT): [Send North](https://openairdocs.org/faa-owner/SEND%20NORTH), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1967, S/N U206-0993
- [N206YA](https://openairdocs.org/aircraft/N206YA): [Rantzair Inc](https://openairdocs.org/faa-owner/RANTZAIR%20INC), [East Wenatchee, WA](https://openairdocs.org/faa-place/WA/East%20Wenatchee), built 1965, S/N P2060065
- [N207CH](https://openairdocs.org/aircraft/N207CH): [Aviation Trust Co LLC Trustee](https://openairdocs.org/faa-owner/AVIATION%20TRUST%20CO%20LLC%20TRUSTEE), [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City), built 1969, S/N 20700039
- [N207FD](https://openairdocs.org/aircraft/N207FD): [Elevation Squad Inc](https://openairdocs.org/faa-owner/ELEVATION%20SQUAD%20INC), [York, PA](https://openairdocs.org/faa-place/PA/York), built 1982, S/N 20700760
- [N207HA](https://openairdocs.org/aircraft/N207HA): [P & C Leasing LLC](https://openairdocs.org/faa-owner/P%20%26%20C%20LEASING%20LLC), [Jupiter, FL](https://openairdocs.org/faa-place/FL/Jupiter), S/N 20700742
- [N207RB](https://openairdocs.org/aircraft/N207RB): [Sutton Aircraft Salvage LLC](https://openairdocs.org/faa-owner/SUTTON%20AIRCRAFT%20SALVAGE%20LLC), [Palmer, AK](https://openairdocs.org/faa-place/AK/Palmer), built 1980, S/N 20700606
- [N207YH](https://openairdocs.org/aircraft/N207YH): [Grant Aviation Inc](https://openairdocs.org/faa-owner/GRANT%20AVIATION%20INC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1980, S/N 20700637
- [N257SP](https://openairdocs.org/aircraft/N257SP): [Aviatzone LLC](https://openairdocs.org/faa-owner/AVIATZONE%20LLC), [Fort Lauderdale, FL](https://openairdocs.org/faa-place/FL/Fort%20Lauderdale), built 1977, S/N 20700781
- [N2591T](https://openairdocs.org/aircraft/N2591T): [Ferguson John W](https://openairdocs.org/faa-owner/FERGUSON%20JOHN%20W), [Edwardsburg, MI](https://openairdocs.org/faa-place/MI/Edwardsburg), built 1975, S/N U20602594
- [N26TA](https://openairdocs.org/aircraft/N26TA): [Ryan Air Inc](https://openairdocs.org/faa-owner/RYAN%20AIR%20INC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1981, S/N 20700725
- [N2902](https://openairdocs.org/aircraft/N2902): [N2902 LLC](https://openairdocs.org/faa-owner/N2902%20LLC), [Miami, FL](https://openairdocs.org/faa-place/FL/Miami), built 1977, S/N U20603637
- [N29127](https://openairdocs.org/aircraft/N29127): [Shivers William L Jr](https://openairdocs.org/faa-owner/SHIVERS%20WILLIAM%20L%20JR), [Friday Harbor, WA](https://openairdocs.org/faa-place/WA/Friday%20Harbor), built 1968, S/N U206-1097
- [N30MS](https://openairdocs.org/aircraft/N30MS): [Flying Medical Service](https://openairdocs.org/faa-owner/FLYING%20MEDICAL%20SERVICE), [Grosse Pointe, MI](https://openairdocs.org/faa-place/MI/Grosse%20Pointe), built 1974, S/N U20602620
- [N33216](https://openairdocs.org/aircraft/N33216): [Avarts LLC](https://openairdocs.org/faa-owner/AVARTS%20LLC), [New Castle, DE](https://openairdocs.org/faa-place/DE/New%20Castle), S/N U20602676
- [N334W](https://openairdocs.org/aircraft/N334W): [Centurion Investments Inc DBA](https://openairdocs.org/faa-owner/CENTURION%20INVESTMENTS%20INC%20DBA), [Chesterfield, MO](https://openairdocs.org/faa-place/MO/Chesterfield), built 1976, S/N U20603331
- [N36MS](https://openairdocs.org/aircraft/N36MS): [Flying Medical Service Inc](https://openairdocs.org/faa-owner/FLYING%20MEDICAL%20SERVICE%20INC), [Grosse Pointe, MI](https://openairdocs.org/faa-place/MI/Grosse%20Pointe), built 1976, S/N U20603244
- [N391SC](https://openairdocs.org/aircraft/N391SC): [Skydive Pennsylvania Inc](https://openairdocs.org/faa-owner/SKYDIVE%20PENNSYLVANIA%20INC), [Mercer, PA](https://openairdocs.org/faa-place/PA/Mercer), built 1969, S/N U2061405
- [N39AK](https://openairdocs.org/aircraft/N39AK): [Renfro Michael W](https://openairdocs.org/faa-owner/RENFRO%20MICHAEL%20W), [Bethel, AK](https://openairdocs.org/faa-place/AK/Bethel), built 1980, S/N 20700597
- [N424AD](https://openairdocs.org/aircraft/N424AD): [Sky West Aviation Inc Trustee](https://openairdocs.org/faa-owner/SKY%20WEST%20AVIATION%20INC%20TRUSTEE), [Albuquerque, NM](https://openairdocs.org/faa-place/NM/Albuquerque), S/N 20700337
- [N454GG](https://openairdocs.org/aircraft/N454GG): [Ak Air Leasing LLC](https://openairdocs.org/faa-owner/AK%20AIR%20LEASING%20LLC), [Homer, AK](https://openairdocs.org/faa-place/AK/Homer), built 1981, S/N U20606487
- [N472NM](https://openairdocs.org/aircraft/N472NM): [Mission Aviation Fellowship](https://openairdocs.org/faa-owner/MISSION%20AVIATION%20FELLOWSHIP), [Nampa, ID](https://openairdocs.org/faa-place/ID/Nampa), S/N 20700786
- [N495K](https://openairdocs.org/aircraft/N495K): [Katmai Air LLC](https://openairdocs.org/faa-owner/KATMAI%20AIR%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1974, S/N U20602549
- [N5277J](https://openairdocs.org/aircraft/N5277J): [Yr-Aircraft Leasing LLC](https://openairdocs.org/faa-owner/YR-AIRCRAFT%20LEASING%20LLC), [Bethel, AK](https://openairdocs.org/faa-place/AK/Bethel), built 1984, S/N 20700772
- [N5370U](https://openairdocs.org/aircraft/N5370U): [Pogany Steve C](https://openairdocs.org/faa-owner/POGANY%20STEVE%20C), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1979, S/N U20605251
- [N579JD](https://openairdocs.org/aircraft/N579JD): [Forst Kenneth D DBA](https://openairdocs.org/faa-owner/FORST%20KENNETH%20D%20DBA), [Grand Rapids, MN](https://openairdocs.org/faa-place/MN/Grand%20Rapids), built 1980, S/N 18503964
- [N613YH](https://openairdocs.org/aircraft/N613YH): [Kuspuk School District](https://openairdocs.org/faa-owner/KUSPUK%20SCHOOL%20DISTRICT), [Aniak, AK](https://openairdocs.org/faa-place/AK/Aniak), built 1980, S/N 20700633
- [N624ER](https://openairdocs.org/aircraft/N624ER): [Ryan Air Inc](https://openairdocs.org/faa-owner/RYAN%20AIR%20INC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1982, S/N 20700752
- [N670JH](https://openairdocs.org/aircraft/N670JH): [Natural Resources Engineering Co Pa](https://openairdocs.org/faa-owner/NATURAL%20RESOURCES%20ENGINEERING%20CO%20PA), [Superior, WI](https://openairdocs.org/faa-place/WI/Superior), built 1978, S/N U20604489
- [N6908M](https://openairdocs.org/aircraft/N6908M): [Grant Aviation Inc](https://openairdocs.org/faa-owner/GRANT%20AVIATION%20INC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1980, S/N 20700672
- [N723F](https://openairdocs.org/aircraft/N723F): [Clear Skies LLC](https://openairdocs.org/faa-owner/CLEAR%20SKIES%20LLC), [Stuart, FL](https://openairdocs.org/faa-place/FL/Stuart), built 1983, S/N U20606714
- [N7269N](https://openairdocs.org/aircraft/N7269N): [Ak Air Leasing LLC](https://openairdocs.org/faa-owner/AK%20AIR%20LEASING%20LLC), [Homer, AK](https://openairdocs.org/faa-place/AK/Homer), built 1976, S/N U20603595
- [N73217](https://openairdocs.org/aircraft/N73217): [Ryan Air Inc](https://openairdocs.org/faa-owner/RYAN%20AIR%20INC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1979, S/N 20700572
- [N73266](https://openairdocs.org/aircraft/N73266): [Macair Aviation LLC](https://openairdocs.org/faa-owner/MACAIR%20AVIATION%20LLC), [Xenia, OH](https://openairdocs.org/faa-place/OH/Xenia), built 1979, S/N 20700574
- [N73503](https://openairdocs.org/aircraft/N73503): [Ryan Air Inc](https://openairdocs.org/faa-owner/RYAN%20AIR%20INC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1980, S/N 20700599
- [N73663](https://openairdocs.org/aircraft/N73663): [Summit Lake Aviation Inc](https://openairdocs.org/faa-owner/SUMMIT%20LAKE%20AVIATION%20INC), [Olympia, WA](https://openairdocs.org/faa-place/WA/Olympia), built 1980, S/N 20700612
- [N7367C](https://openairdocs.org/aircraft/N7367C): [Ruebling Edward X](https://openairdocs.org/faa-owner/RUEBLING%20EDWARD%20X), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1977, S/N U20603905
- [N73733](https://openairdocs.org/aircraft/N73733): [Muffett Pat D](https://openairdocs.org/faa-owner/MUFFETT%20PAT%20D), [Eastsound, WA](https://openairdocs.org/faa-place/WA/Eastsound), built 1980, S/N 20700618
- [N746KP](https://openairdocs.org/aircraft/N746KP): [Fox Aircraft LLC](https://openairdocs.org/faa-owner/FOX%20AIRCRAFT%20LLC), [Wasilla, AK](https://openairdocs.org/faa-place/AK/Wasilla), built 1983, S/N 20700766
- [N747SQ](https://openairdocs.org/aircraft/N747SQ): [Yr-Aircraft Leasing LLC](https://openairdocs.org/faa-owner/YR-AIRCRAFT%20LEASING%20LLC), [Bethel, AK](https://openairdocs.org/faa-place/AK/Bethel), built 1977, S/N 20700387
- [N7917N](https://openairdocs.org/aircraft/N7917N): [Wrangell Mountain Air Inc](https://openairdocs.org/faa-owner/WRANGELL%20MOUNTAIN%20AIR%20INC), [Palmer, AK](https://openairdocs.org/faa-place/AK/Palmer), built 1977, S/N U20603720
- [N800DF](https://openairdocs.org/aircraft/N800DF): [Fox Aircraft LLC](https://openairdocs.org/faa-owner/FOX%20AIRCRAFT%20LLC), [Bethel, AK](https://openairdocs.org/faa-place/AK/Bethel), built 1980, S/N 20700621

All 80: https://openairdocs.org/engine/continental-io-520-f/aircraft.md

## NTSB investigations (93, 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 ANC24LA043](https://openairdocs.org/ntsb/ANC24LA043), Jun 3, 2024: Cessna 207A (N9651M), Bethel, AK, substantial damage. Probable cause: The pilot’s improper short-field takeoff procedure, which resulted in an aerodynamic stall and subsequent hard landing.
- [NTSB ANC23LA067](https://openairdocs.org/ntsb/ANC23LA067), Aug 28, 2023: Cessna U206F (N1733R), Chinitna Bay, AK, substantial damage. Probable cause: The pilot’s failure to maintain directional control on takeoff.
- [NTSB ANC23LA019](https://openairdocs.org/ntsb/ANC23LA019), Feb 2, 2023: Cessna 207 (N9996M), Newtok, AK, substantial damage. Probable cause: The pilot’s failure to maintain directional control while landing with a crosswind on an ice-covered runway, resulting in a loss of control and subsequent impact with a snowbank. A factor was the…
- [NTSB ERA22LA358](https://openairdocs.org/ntsb/ERA22LA358), Jul 28, 2022: Cessna 207 (N6908M), Dillingham, AK, substantial damage. Probable cause: Maintenance personnel’s failure to detect and correct improper rudder control system alignment, the resulting interference with the pulley’s rotation, and the accelerated corrosion and wear of the…
- [NTSB ANC22LA031](https://openairdocs.org/ntsb/ANC22LA031), Apr 16, 2022: Cessna 207A (N73503), Pilot Station, AK, substantial damage. Probable cause: The pilot’s failure to maintain directional control during takeoff in crosswind conditions which resulted in a loss of control and impact with terrain.
- [NTSB ERA22LA097](https://openairdocs.org/ntsb/ERA22LA097), Dec 29, 2021: Cessna 207 (N1596U), Marathon, FL, minor damage. Probable cause: A total loss of engine power due to the failure of the No. 2 bearing, which resulted in the No. 2 connecting rod failing due to fatigue, high heat, and stress.
- [NTSB ANC22LA007](https://openairdocs.org/ntsb/ANC22LA007), Nov 21, 2021: Cessna 207A (N9794M), Bethel, AK, substantial damage. Probable cause: The improper installation of an avionics wire harness over a fuel line, which resulted in chafing of the wire harness, arcing, and a subsequent fire.
- [NTSB CEN21LA166](https://openairdocs.org/ntsb/CEN21LA166), Mar 24, 2021: Cessna 207A (N9177M), Laredo, TX, substantial damage. Probable cause: The pilot’s failure to control the airplane during the landing flare, which resulted in a hard landing.
- [NTSB ANC20CA037](https://openairdocs.org/ntsb/ANC20CA037), Dec 10, 2019: Cessna 207 (N9728M), Kwigillingok, AK, substantial damage. Probable cause: The pilot's improper decision to depart from an ice-covered runway with a strong crosswind, which resulted in a loss of directional control, runway excursion, and impact with a ditch.
- [NTSB ANC18LA067](https://openairdocs.org/ntsb/ANC18LA067), Aug 18, 2018: Cessna U206 (N441GR), Pedro Bay, AK, substantial damage. Probable cause: The fatigue fracture of both main landing gear legs during the landing roll, which resulted in the collapse and separation of both main landing gear legs.
- [NTSB GAA17CA388](https://openairdocs.org/ntsb/GAA17CA388), Jul 3, 2017: Cessna 207 (N9620M), Hope, AK, substantial damage. Probable cause: The pilot’s inadvertent flight into instrument meteorological conditions and subsequent controlled flight into terrain.
- [NTSB GAA17CA353](https://openairdocs.org/ntsb/GAA17CA353), Jun 6, 2017: Cessna 207 (N207RB), Homer, AK, substantial damage. Probable cause: The pilot's decision to land on unsuitable terrain, which resulted in the nosewheel breaking and a subsequent noseover.
- [NTSB ANC15FA049](https://openairdocs.org/ntsb/ANC15FA049), Jul 17, 2015: Cessna 207A (N62AK), Juneau, AK, substantial damage, 1 fatal. Probable cause: The pilot's decision to initiate and continue visual flight into instrument meteorological conditions, which resulted in a loss of situational awareness and controlled flight into terrain.…
- [NTSB ERA15LA263](https://openairdocs.org/ntsb/ERA15LA263), Jul 12, 2015: Cessna 210 5A(205A) (N315EC), Stafford Twp, NJ, substantial damage. Probable cause: The total loss of engine power due to the failure of the crankshaft, which resulted from a mechanic's failure to properly torque the engine cylinder through bolts.
- [NTSB ANC14LA085](https://openairdocs.org/ntsb/ANC14LA085), Sep 22, 2014: Cessna TU206 (N206J), Deadhorse, AK, substantial damage. Probable cause: The application of insufficient torque to the engine cylinder through bolts during the replacement of the No. 1 cylinder, which resulted in the displacement of the No. 2 bearing, oil starvation, and…
- [NTSB ANC13CA042](https://openairdocs.org/ntsb/ANC13CA042), May 4, 2013: Cessna 207A (N9400M), Newtok, AK, substantial damage. Probable cause: The pilot's continued flight into adverse weather and his failure to maintain clearance from terrain while on approach in flat light conditions. Contributing to the accident was the pilot's delayed…
- [NTSB ANC12CA067](https://openairdocs.org/ntsb/ANC12CA067), Jul 6, 2012: Cessna 207A (N2162C), Kotlik, AK, substantial damage. Probable cause: The pilot's failure to maintain altitude/clearance from terrain during cruise flight at low altitude, which resulted in an in-flight collision with water. A contributing factor was the pilot’s…
- [NTSB ANC12CA048](https://openairdocs.org/ntsb/ANC12CA048), Jun 7, 2012: Cessna 207A (N9874M), Platinum, AK, substantial damage. Probable cause: The pilot inadvertently taxied the airplane into a ditch.
- [NTSB WPR12CA194](https://openairdocs.org/ntsb/WPR12CA194), May 8, 2012: Cessna 207A (N207YH), Grangeville, ID, substantial damage. Probable cause: The pilot's improper flare and inadequate recovery from a bounced landing, which resulted in a loss of airplane control.
- [NTSB ANC12CA019](https://openairdocs.org/ntsb/ANC12CA019), Jan 23, 2012: Cessna 207A (N800DF), Nikiski, AK, substantial damage. Probable cause: The pilot's improper identification of the runway surface. Contributing to the accident was the snow covering the runway lights.
- [NTSB ANC10LA083](https://openairdocs.org/ntsb/ANC10LA083), Sep 4, 2010: Cessna 207A (N9942M), Tuluksak, AK, substantial damage. Probable cause: The pilot's delayed application of full power during a soft/wet field takeoff, resulting in a collision with trees during takeoff.
- [NTSB ANC09LA038](https://openairdocs.org/ntsb/ANC09LA038), May 6, 2009: Cessna TU206 (N629SP), Bethel, AK, substantial damage. Probable cause: The pilot’s failure to remove visible frost from the wings during the preflight inspection, and his failure to maintain adequate airspeed to avoid a stall. Contributing to the accident were…
- [NTSB ANC09LA017](https://openairdocs.org/ntsb/ANC09LA017), Dec 31, 2008: Cessna 207A (N39AK), Hoonah, AK, substantial damage. Probable cause: The pilot's failure to ensure that the aft cargo door was properly latched and locked prior to departure, which resulted in an in-flight opening of the aft cargo door and subsequent damage to the…
- [NTSB ANC08LA106](https://openairdocs.org/ntsb/ANC08LA106), Aug 18, 2008: Cessna 207A (N9935M), Bethel, AK, substantial damage. Probable cause: The pilot of the other airplane's excessive taxi speed while taxiing to the runway, and his failure to see the stopped airplane ahead of him in time to avoid a collision.
- [NTSB ANC07LA085](https://openairdocs.org/ntsb/ANC07LA085), Aug 17, 2007: Cessna 207 (N73463), Fairbanks, AK, substantial damage. Probable cause: The loss of engine power in cruise flight due to a lack of sufficient oil. A factor contributing to the accident was the pilot's improper in-flight decision to continue the flight after noting a loss…
- [NTSB ANC07FA013](https://openairdocs.org/ntsb/ANC07FA013), Jan 9, 2007: Cessna 207A (N9941M), Kenai, AK, substantial damage, 1 fatal. Probable cause: The total loss of engine power during cruise flight due to the disintegration of engine bearings and the fracture of a connecting rod, which resulted in a ditching into ice covered ocean water.…
- [NTSB ANC05CA089](https://openairdocs.org/ntsb/ANC05CA089), Jul 3, 2005: Cessna 207A (N39AK), Excursion Inlet, AK, substantial damage. Probable cause: The pilot's failure to maintain clearance from a building during taxi from landing, which resulted in structural damage to the left wing when it struck the building.
- [NTSB ANC05CA005](https://openairdocs.org/ntsb/ANC05CA005), Oct 11, 2004: Cessna 207 (N5277J), Chefornak, AK, substantial damage. Probable cause: The in-flight collision with a bird while on final approach to land.
- [NTSB ANC03LA108](https://openairdocs.org/ntsb/ANC03LA108), Sep 5, 2003: Cessna 206 (N206J), Kaktovik, AK, substantial damage. Probable cause: The pilot's failure to maintain airspeed during takeoff which resulted in a loss of control during initial climb. Factors associated with the accident were wet and muddy runway conditions, and the…
- [NTSB ANC01LA099](https://openairdocs.org/ntsb/ANC01LA099), Aug 3, 2001: Cessna 207 (N9794M), Healy, AK, substantial damage. Probable cause: The pilot's continued flight into adverse weather conditions after becoming lost/disoriented. Factors in the accident were rising terrain, a blind/box canyon, low clouds, and rain.
- [NTSB ANC01LA117](https://openairdocs.org/ntsb/ANC01LA117), Jul 25, 2001: Cessna 207 (N9973M), Kalskag, AK, substantial damage. Probable cause: The pilot's failure to maintain adequate clearance from an object during the initial climb after takeoff.
- [NTSB LAX00FA347](https://openairdocs.org/ntsb/LAX00FA347), Sep 23, 2000: Cessna 207A (N9439M), Valle, AZ, substantial damage. Probable cause: Improper maintenance and adjustment of the engine magnetos resulting in a loss of optimum performance during a critical takeoff that required peak engine performance.
- [NTSB ANC00LA115](https://openairdocs.org/ntsb/ANC00LA115), Sep 6, 2000: Cessna 207 (N9874M), Kongiganak, AK, substantial damage. Probable cause: The pilot's selection of an unsuitable, rough, runway. Factors were the crosswind, the pilot's inexperience, the company's inadequate surveillance of their operation, and dispatch of an inexperienced…
- [NTSB ANC00LA116](https://openairdocs.org/ntsb/ANC00LA116), Aug 10, 2000: Cessna 207A (N1824Q), Aniak, AK, substantial damage. Probable cause: The pilot's inadequate recovery from a bounced landing. Factors in the accident were the pilot's inadequate preflight planning/preparation, insufficient information about the landing strip from…
- [NTSB ANC00LA074](https://openairdocs.org/ntsb/ANC00LA074), Jun 22, 2000: Cessna 206 (N495K), King Salmon, AK, substantial damage. Probable cause: The inadequate visual lookout by the pilot of the other airplane, and the inadequate radio traffic advisories by the pilots of both airplanes.
- [NTSB ANC00LA035](https://openairdocs.org/ntsb/ANC00LA035), Mar 10, 2000: Cessna 207 (N75703), Delta Junction, AK, substantial damage. Probable cause: The disintegration of the number two piston. A factor in this accident was the subsequent metal fouling of the spark plugs, which resulted in total loss of engine power.
- [NTSB ANC00LA015](https://openairdocs.org/ntsb/ANC00LA015), Nov 16, 1999: Cessna 207A (N9933M), Dillingham, AK, substantial damage. Probable cause: Failure of the pilot to remove frost from the wings prior to flight, and the resulting inadvertent stall/mush.
- [NTSB ANC99LA132](https://openairdocs.org/ntsb/ANC99LA132), Sep 4, 1999: Cessna 207 (N800DF), Ninilchik, AK, substantial damage. Probable cause: The pilot's selection of an unsuitable takeoff area. A factor associated with this accident was the sunglare.
- [NTSB ANC99FA047](https://openairdocs.org/ntsb/ANC99FA047), Apr 14, 1999: Cessna 207A (N73188), Kotzebue, AK, destroyed, 1 fatal. Probable cause: The pilot's continued VFR flight into instrument meteorological conditions, spatial disorientation, and an inadvertent stall. Factors in the accident were weather conditions consisting of snow and…
- [NTSB ANC99LA009](https://openairdocs.org/ntsb/ANC99LA009), Oct 26, 1998: Cessna 207A (N73533), Aniak, AK, substantial damage. Probable cause: A loss of engine power due to fuel contamination. A factor in the accident was unsuitable terrain for a forced landing.
- [NTSB ANC99LA008](https://openairdocs.org/ntsb/ANC99LA008), Oct 26, 1998: Cessna 207A (N9400M), Noorvik, AK, substantial damage. Probable cause: The pilot's continued VFR flight into instrument meteorological conditions. Factors in the accident were a dark night and low ceilings.
- [NTSB ANC99LA002](https://openairdocs.org/ntsb/ANC99LA002), Oct 8, 1998: Cessna 207A (N6874M), Napaskiak, AK, substantial damage. Probable cause: The pilot's inadequate preflight inspection to remove all contaminated fuel from the fuel system. Factors in the accident were the pilot's inadequate planning/decision to continue a second takeoff…
- [NTSB ANC98FA152](https://openairdocs.org/ntsb/ANC98FA152), Sep 17, 1998: Cessna 207 (N1809Q), Kotzebue, AK, destroyed, 1 fatal. Probable cause: The pilot's continued VFR flight into instrument meteorological conditions. Factors associated with the accident were low ceilings, mountainous/hilly terrain features, rain, and fog.
- [NTSB ANC98LA104](https://openairdocs.org/ntsb/ANC98LA104), Jun 18, 1998: Cessna 207 (N2162C), Bethel, AK, substantial damage. Probable cause: An in-flight collision with a large bird.
- [NTSB ANC98FA069](https://openairdocs.org/ntsb/ANC98FA069), Jun 9, 1998: Cessna 207A (N96AK), Juneau, AK, substantial damage. Probable cause: The failure of company maintenance personnel to properly install a wire bundle clamp; chafing, electrical arcing, and subsequent leaking of a fuel line, which resulted in an in-flight fire. A factor…
- [NTSB ANC98LA059](https://openairdocs.org/ntsb/ANC98LA059), May 29, 1998: Cessna 207 (N9956M), Bethel, AK, substantial damage. Probable cause: The throttle arm disconnecting from the throttle linkage to the engine as a result of inadequate inspection by company maintenance personnel. Factors associated with this accident were the company…
- [NTSB ANC97FA155](https://openairdocs.org/ntsb/ANC97FA155), Sep 26, 1997: Cessna 207A (N9984M), Twin Hills, AK, destroyed, 1 fatal. Probable cause: Improper in-flight planning/decision by the pilot, and his failure to maintain sufficient altitude over mountainous terrain. Factors related to the accident were downdraft conditions,…
- [NTSB ANC97LA022](https://openairdocs.org/ntsb/ANC97LA022), Jan 17, 1997: Cessna 207A (N9603M), Tununak, AK, substantial damage. Probable cause: the pilot's decision to continue VFR flight into instrument meteorological conditions (IMC), and his failure to maintain clearance from rising terrain. Factors associated with the accident were: low…
- [NTSB ANC95LA013](https://openairdocs.org/ntsb/ANC95LA013), Nov 18, 1994: Cessna 207 (N9829M), Akiachak, AK, substantial damage. Probable cause: THE PILOT'S INADEQUATE COMPENSATION FOR CROSSWIND. CROSSWIND CONDITIONS AND AN ICY RUNWAY SURFACE WERE FACTORS IN THE ACCIDENT.
- [NTSB ANC93LA126](https://openairdocs.org/ntsb/ANC93LA126), Jul 25, 1993: Cessna 207 (N9993M), Egegik, AK, substantial damage. Probable cause: THE PILOT-IN-COMMAND'S FAILURE TO SEE AND AVOID THE TRUCK.

All 93: https://openairdocs.org/engine/continental-io-520-f/ntsb.md

## FAA accident and incident reports (176, 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.

- [Incident 20260114000259I](https://openairdocs.org/incident/20260114000259I), Jan 14, 2026: Cessna 207A (N747SQ), Aniak, AK, No damage. Pilot narrative: Pilot checked temperature using iphone application, showing -29F. Aircraft was plugged into engine heater for previous 24HR, buddy-heater was…
- [Incident 20250826012879I](https://openairdocs.org/incident/20250826012879I), Aug 26, 2025: Cessna U206C (N206J), AK, Minor damage. Pilot back taxing acft on sloped ocean beach, on end of back taxi when perfoming a 180 degree turn, nose wheel sunk into the soft sand causing propeller to…
- [Accident 20240602005249A](https://openairdocs.org/incident/20240602005249A), Jun 2, 2024: Cessna 207A (N9651M), Bethel, AK, Substantial damage. The airman was cleared by ATC to takeoff runway 1L in behtlel, AK. The airman was in a company Cessna 207 [privacy data omitted]. The airplane was cargo only.…
- [Incident 20240217000309I](https://openairdocs.org/incident/20240217000309I), Feb 17, 2024: Cessna 207A (N9728M), Kwigillingok, AK, No damage. On February 17, 2024, approximately 1421 local time, the PIC stated that she was attempting to land early on runway 33 at Kwigillingok airport, AK. PIC…
- [Accident 20230828009859A](https://openairdocs.org/incident/20230828009859A), Aug 28, 2023: Cessna U206F (N1733R), Chinitna Bay, AK, Substantial damage. On aug 28th, at approximately 12:00PM AKST, the pilot was taking off to the east from the long beach in Chinitna Bay in a wheeled-equipped Cessna U206F. On the…
- [Incident 20230717005609I](https://openairdocs.org/incident/20230717005609I), Jul 17, 2023: Cessna 207A (N5277J), Toksook Bay, AK, Minor damage. While taxiing out form ramp area at Toksook Bay, the PIC heard a noise outside of the aircraft and decided to return to the ramp area and shutdown to…
- [Accident 20230202001309A](https://openairdocs.org/incident/20230202001309A), Feb 2, 2023: Cessna 207A (N9996M), Newtok, AK, Substantial damage. Pilot failed to maintain directional control of aircraft during landing rollout in crosswind landing conditions. ///end///
- [Accident 20220727007549A](https://openairdocs.org/incident/20220727007549A), Jul 27, 2022: Cessna 207A (N6908M), Dillingham, AK, Minor damage. During landing approach the left rudder pedal was not responsive. The pilot used rudder trim and power to land safely on runway 01 in Dillingham. Rudder…
- [Incident 20220417001629I](https://openairdocs.org/incident/20220417001629I), Apr 17, 2022: Cessna 207A (N207YH), Kasigluk, AK, No damage. This flight occurred in Alaska during a 135 flight with 3 souls and the pilot in charge onboard. Enroute from paew to pabe, during cruise flight, PIC noted…
- [Accident 20220415002219A](https://openairdocs.org/incident/20220415002219A), Apr 15, 2022: Cessna 207A (N73503), Pilot Station, AK, Substantial damage. Airman departing runway 22 at Pilot Station, AK. No passengers or cargo onboard. Runway conditions wet with some slush, light rain, winds direct crosswind…
- [Accident 20211229021149A](https://openairdocs.org/incident/20211229021149A), Dec 29, 2021: Cessna 207 (N1596U), Marathon, FL, Substantial damage. FAA certificated[privacy data omitted] part 135 operator( exec air, inc of naples) operating Cessna CE-207, registration N1596U, serial number 20700196…
- [Accident 20211120016929A](https://openairdocs.org/incident/20211120016929A), Nov 20, 2021: Cessna 207A (N9794M), Bethel, AK, Substantial damage. On November 20, 2021 at approximately 1800 Alaska time, Cessna C-207A N9794M incurred substancial damage in a post landing fire. All 5 passenger including the…
- [Incident 20210605006299I](https://openairdocs.org/incident/20210605006299I), Jun 5, 2021: Cessna 207A (N9475M), Bethel, AK, Minor damage. The cargo personnel loaded the Cessna 207 aircraft and closed the cargo doors. The airman did another inspection of the aircraft walking around the plane and…
- [Incident 20210331002749I](https://openairdocs.org/incident/20210331002749I), Mar 31, 2021: Cessna 207A (N9475M), St. Mary'S, AK, Minor damage. Aft cargo door opened in flight. PIC returned to departure airport and landed safely.
- [Incident 20210329001409I](https://openairdocs.org/incident/20210329001409I), Mar 29, 2021: Cessna 207A (N9946M), Naknek, AK, Minor damage. Airman was taxing to runway 13 in south Naknek and struck a taxiway light with the aircraft propeller. The airman was trying to avoid the muddy areas on the…
- [Accident 20210324005729A](https://openairdocs.org/incident/20210324005729A), Mar 24, 2021: Cessna 207A (N9177M), Laredo, TX, Substantial damage. On March 24, 2021 12:19 CDT N9177M s/n 20700677, a Cessna 207A was substantially damaged after the pilot lost control during a hard landing at Laredo…
- [Incident 20210111002519I](https://openairdocs.org/incident/20210111002519I), Jan 11, 2021: Cessna 207A (N9946M), King Salmon, AK, Minor damage. Airman landed in King Salmon after dark. Taxiway lights alpha, bravo and charlie were NOTAM out of service from December 15, 2020 to may 2, 2021. The bravo…
- [Incident 20191209018509I](https://openairdocs.org/incident/20191209018509I), Dec 9, 2019: Cessna 207A (N9728M), Kwigillingok, AK, Minor damage. Airman was taxing a Cessna 207 from ramp area to runway 15 at Kwigillingok airport. When attempting to turn the aircraft onto the runway the aircraft started…
- [Incident 20190910020659I](https://openairdocs.org/incident/20190910020659I), Sep 10, 2019: Cessna 207A (N624ER), Aniak, AK, No damage. At 15:45 local time flight 910 a Cessna 207 departed Aniak, AK for anvik, AK with passenger [privacy data omitted]. The passenger was sitting in the back of…
- [Accident 20180818018509A](https://openairdocs.org/incident/20180818018509A), Aug 18, 2018: Cessna U206F (N441GR), Chinitna Bay, AK, Substantial damage. On August 18, 2018 airman was flying N441GR, a CE-U206F to Chinitna Bay for the purpose of bear viewing. Pilot plus 5 passengers. Airman performed a preflight…
- [Accident 20180815014239A](https://openairdocs.org/incident/20180815014239A), Aug 15, 2018: Cessna TU206C (N206J), Kaktovik, AK, Substantial damage. Pilot departed deadhorse at approximately 1620 local for Kaktovik. Arrive at Kaktovik at approximately 1705 local. Pilot entered the traffic pattern on a…
- [Accident 20170703010789A](https://openairdocs.org/incident/20170703010789A), Jul 3, 2017: Cessna 207A (N9620M), Trapper Joe Lak, AK, Substantial damage. N9620M is a 1981 Cessna 207, registered to Alaska air taxi located at lake hood, AK. 7-5-2017: Interview with Alaska air taxi chief pilot (cp): cp said that…
- [Accident 20170606005759A](https://openairdocs.org/incident/20170606005759A), Jun 6, 2017: Cessna 207A (N207RB), Chinitna Bay, AK, Substantial damage. During landing rollout on beach, pilot experienced significant push towards water from wind, and executed go-around. Aircraft struck soft sand, causing nose…
- [Incident 20160719024259I](https://openairdocs.org/incident/20160719024259I), Jul 19, 2016: Cessna U206G (N7269N), Chinitna Bay, AK, Substantial damage. During taxi the nose landing gear collaspe. Propeller came in contact with grodund (sand), engine shut down.
- [Incident 20160501007909I](https://openairdocs.org/incident/20160501007909I), May 1, 2016: Cessna 207A (N9869M), Bethel, AK, Minor damage. Upon landing runway 01L at pabe, pilot had a runway excursion with subsequent prop strike and wingtip strike. 1 passenger no injuries
- [Accident 20150712010519A](https://openairdocs.org/incident/20150712010519A), Jul 12, 2015: Cessna 210-5A(205A) (N315EC), Manahawkin, NJ, Substantial damage. CE-210-5A(205A), N315EC, s/n 205-0494 departed eagles nest airport, NJ (31E) for skydiving operations and climbing thru 4,000 feet, heard loud bang, followed…
- [Accident 20140922018149A](https://openairdocs.org/incident/20140922018149A), Sep 22, 2014: Cessna TU206C (N206J), Deadhorse, AK, Substantial damage. Aircraft experienced an engine failure midway between its departure point of badami and its destination of Deadhorse. The failure was characterized as a sudden…
- [Incident 20131028021339I](https://openairdocs.org/incident/20131028021339I), Oct 28, 2013: Cessna 207A (N9651M), False Pass, AK, No damage. The pilot aborted a landing with insufficient runway left. The main wheels contacted a berm and dragged in the overrun before the aircraft became airborne.
- [Incident 20130703015699I](https://openairdocs.org/incident/20130703015699I), Jul 3, 2013: Cessna 207A (N9794M), Huslia, AK, Substantial damage. Prop struck taxi light
- [Accident 20130504007189A](https://openairdocs.org/incident/20130504007189A), May 4, 2013: Cessna 207A (N9400M), Newtok, AK, Substantial damage. Pilot was attempting to land at Newtok, AK. Pilot reported he lined up on a 4NM final and was able to see a building located at airport. Pilot reported…
- [Incident 20121116028419I](https://openairdocs.org/incident/20121116028419I), Nov 16, 2012: Cessna 207A (N207DF), Toksook Bay, AK, Minor damage. When the airman departed bethel (bet) for Toksook Bay (ook), a flight manifest was received by the airman which stated the winds were from 050 degrees at 23…
- [Incident 20121027023509I](https://openairdocs.org/incident/20121027023509I), Oct 27, 2012: Cessna 207A (N9973M), Emmonak, AK, Minor damage. During a landing approach to Emmonak Airport, the pilot reported the engine began to surge. The pilot applied full rich mixture and the engine quit. The…
- [Incident 20121012024569I](https://openairdocs.org/incident/20121012024569I), Oct 12, 2012: Cessna 207A (N9948M), Tuluksak, AK, Substantial damage. Pilot landed and was taxiing to pick up passenger, first flight in for pilot that day to tulusak (tlt). Sun was low on horizon and in pilots eyes blinding him.…
- [Accident 20120706028429A](https://openairdocs.org/incident/20120706028429A), Jul 6, 2012: Cessna 207A (N2162C), Kotlik, AK, Substantial damage. The pilot impacted a river while adjusting power settings after departure from Kotlik. He returned to Kotlik and on landing the propeller and nose struck the…
- [Accident 20120606012629A](https://openairdocs.org/incident/20120606012629A), Jun 6, 2012: Cessna 207A (N9874M), Platinum, AK, Substantial damage. The pilot in command had landed and was turning around to taxi to the parking apron. He misjudged his location and taxiied off the runway into an adjacient…
- [Incident 20120515010839I](https://openairdocs.org/incident/20120515010839I), May 15, 2012: Cessna 207A (N6908M), Dillingham, AK, Minor damage. N6908M departed runway 19 at Dillingham (dlg) Alaska on take off roll out, a noise from the pilots left rudder pedal was heard, and the aircraft attempted to…
- [Accident 20120508007639A](https://openairdocs.org/incident/20120508007639A), May 8, 2012: Cessna 207A (N207YH), Grangeville, ID, Substantial damage. The pilot lost control of the Cessna 207 aircraft upon landing at the grangeviille, Idaho airport (gic). This particular flight was conducted under FAR part…
- [Accident 20120123000839A](https://openairdocs.org/incident/20120123000839A), Jan 23, 2012: Cessna 207A (N800DF), Nikiski, AK, Substantial damage. On January 23, 2012 about 0815 Alaska standard time, (ast), a tricycle wheel equipped Cessna 207A airplane, N800DF, sustained substantial damage while…
- [Incident 20101002052479I](https://openairdocs.org/incident/20101002052479I), Oct 2, 2010: Cessna 207A (N73503), Bethel, AK, Minor damage. Airman stated that while taxiing away from his company ramp a parked fork lift forced him to make a ninety degree right turn. As he made the right turn he…
- [Accident 20100903047499A](https://openairdocs.org/incident/20100903047499A), Sep 3, 2010: Cessna 207A (N9942M), Tuluksak, AK, Substantial damage. Pilot attempted to takeoff from a 2,400 foot gravel strip that was wet and muddy with puddles of standing water. The flaps were set from 25 to 30 degrees and…
- [Incident 20100415032019I](https://openairdocs.org/incident/20100415032019I), Apr 15, 2010: Cessna 207A (N9869M), Marshall, AK, Minor damage. Landed at Marshall and taxied to the ramp which had a new washing machine sitting on the FAR edge of the ramp next to the road. Pilot taxied intending to…
- [Incident 20100218028699I](https://openairdocs.org/incident/20100218028699I), Feb 18, 2010: Cessna 207A (N62AK), Juneau, AK, Minor damage. During taxi from the parking area N62AK struck two taxiway lights on the west side of taxiway "c" at the intersection of taxiway "a". A third taxiway light was…
- [Accident 20090506025169A](https://openairdocs.org/incident/20090506025169A), May 6, 2009: Cessna TU206F (N629SP), Bethel, AK, Substantial damage. According to pilot's statement, after take off the aircraft's left wing began to stall probably due to the pilot using soft field take off technique and this…
- [Incident 20090202025059I](https://openairdocs.org/incident/20090202025059I), Feb 2, 2009: Cessna 207A (N9935M), Chefornak, AK, Substantial damage. While on approach to the Chefornak Airport the pilot set his flaps for 10 degrees and did not notice the normal feel of ballooning or deceleration. He…
- [Accident 20081231857469A](https://openairdocs.org/incident/20081231857469A), Dec 31, 2008: Cessna 207A (N39AK), Hoonah, AK, Substantial damage. N39AK, wings of Alaska flight 15, a Cessna 207A aircraft, while in cruise flight over sisters island Alaska the right rear cargo door opened. Aircraft…
- [Incident 20081119851569I](https://openairdocs.org/incident/20081119851569I), Nov 19, 2008: Cessna 207A (N9942M), Sheldon Point, AK, Minor damage. (-23) According to [privacy data omitted] (the PIC) while on landing (@emmonak) he felt the nose gear bounce and he made a go around. Fog was coming in so he…
- [Incident 20080913845759I](https://openairdocs.org/incident/20080913845759I), Sep 13, 2008: Cessna 207A (N9973M), Akiak, AK, Minor damage. (-23) On September 12, 2008, at 1800 hours Alaska daylight savings time, N-9973M, a CE-207A, on final approach to kipnuck airport (paki), Alaska, was struck by…
- [Accident 20080818845621A](https://openairdocs.org/incident/20080818845621A), Aug 18, 2008: Cessna 207A (N9935M), Bethel, AK, Substantial damage. (-23) In his admission of fault, [privacy data omitted], who was operating as pilot in command of N9588M stated: he was taxiing too fast, was in too much of a…
- [Incident 20080713841399I](https://openairdocs.org/incident/20080713841399I), Jul 13, 2008: Cessna 207 (N9651M), Substantial damage. (-23) Pilot landed on hallo bay which is a sandy beach. On takeoff from hallo bay aircraft didn't accelerate as quickly as pilot expected. Before rotation…
- [Incident 20080628834369I](https://openairdocs.org/incident/20080628834369I), Jun 28, 2008: Cessna 207A (N1824Q), Roche Harbor, WA, Minor damage. (-23) On 6/28/2008, at approximately 1345 hours PDT, N1824Q, operated by west isle, inc. (hufa), dba san juan airlines, sustained minor damage during an…

All 176: https://openairdocs.org/engine/continental-io-520-f/incidents.md

## Service difficulty reports (751, newest 50)

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

- [SDR UATA202609092701](https://openairdocs.org/sdr/UATA202609092701), Aug 24, 2026: CONTROL CABLE. MISINSTALLED. A POST MAINT FLIGHT CHECK OF ACFT WAS CONDUCTED DUE TO AN ENG CHANGE, PROPELLER CHANGE, MULTIPLE FLT CONTROL SURFACE, CONTROL SURFACE CABLE CHANGES, & AN EXTEND
- [SDR ENHA202606010001](https://openairdocs.org/sdr/ENHA202606010001), May 28, 2026: WIRE. BROKEN. AFTER TAKE-OFF, PILOT SMELLED SMOKE AND LOOKED AT GAGES AND ENGINE OIL TEMP SHOWED "0". PILOT TURNED AROUND AND LANDED. MECHANICS FOUND A LOOSE WIRE ON MAIN BUS
- [SDR ENHA20250522001](https://openairdocs.org/sdr/ENHA20250522001), May 21, 2025: MUFFLER. LEAKING. PILOT REPORTED CO DETECTOR INDICATING. MECHANICS FOUND THE RIGHT HAND MUFFLER COUPLING LEAKING. MECHANICS REPLACED THE ATTACHING HARDWARE.
- [SDR UATA2025012301](https://openairdocs.org/sdr/UATA2025012301), Jan 23, 2025: BULKHEAD. CRACKED. CRACK IN FORWARD BULKHEAD OF HORIZONTAL STABILIZER, RIGHT HAND SIDE NEAR UPPER LIGHTNING HOLE. "REPLACED BULKHEAD WITH NEW BULKHEAD 1212136-14. SEE 337 DATED 1/
- [SDR 2025FA0000063](https://openairdocs.org/sdr/2025FA0000063), Jan 18, 2025: MUFFLER. CRACKED. YUTE COMMUTER SERVICE AIRCRAFT N7373U HAD AN UNSCHEDULED LANDING ON 1/18/25. PILOT REPORTED LOSS OF POWER IN FLIGHT AND AN ABNORMAL NOISE COMING FROM THE ENGINE
- [SDR 2024FA0000071](https://openairdocs.org/sdr/2024FA0000071), Jan 24, 2024: MAGNETO. FAILED INSP. FOUND FACTORY DEFECT WHILE PERFORMING FIRST 500-HOUR INSPECTION MAGNETO WITH TT 477.6 IN ACCORDANCE WITH SERVICE SUPPORT MANUAL X42001. COIL TAB HAD NOT BEEN IN
- [SDR 2021FA0000041](https://openairdocs.org/sdr/2021FA0000041), Feb 11, 2021: PIN. WORN. ENGINE WOULD NOT STOP THROWING ALTERNATOR BELTS. FOUND REAR COUNTERWEIGHT PIN AND CHEEK BUSHINGS AS WELL AS COUNTERWEIGHT BUSHINGS EXTREMELY WORN OUR OF SERVICE
- [SDR EVGR20200624](https://openairdocs.org/sdr/EVGR20200624), Jan 28, 2021: TUBE. SPLIT. PILOT WAS TAXIING AIRCRAFT WHEN ANOTHER PERSON ON THE RAMP GRABBED HIS ATTENTION REGARDING THE LH MAIN TIRE BEING FLAT. HE STOPPED AND SHUT DOWN. WHEEL WAS REMO
- [SDR ENHAN9728M](https://openairdocs.org/sdr/ENHAN9728M), Aug 20, 2020: LATCH. WORN. AT 1421 I WAS CLEARED TO TAKE OFF ON 1LAT GOLF. DURING THE TAKE OFF ROLL, THE NOSE DOOR CAME OPEN. I ABORTED THE TAKE OFF AND REQUESTED CLEARANCE TO TAXI BACK T
- [SDR ENHA202008210001](https://openairdocs.org/sdr/ENHA202008210001), Aug 20, 2020: LATCH. SHEARED. DURING FLIGHT, 6.5 MILES FROM PAKN TO THE SOUTH, I EXPERIENCED TURBULENCE. THE REAR CARGO DOOR LATCHING MECHANISM(ROD THAT CONNECTS THE TWO LATCHES) SHEARED IN 
- [SDR ENHA202008210002](https://openairdocs.org/sdr/ENHA202008210002), Aug 20, 2020: LATCH. SHEARED. DURING FLIGHT, 6.5 MILES FROM PAKN TO THE SOUTH, I EXPERIENCED TURBULENCE. THE REAR CARGO DOOR LATCHING MECHANISM(ROD THAT CONNECTS THE TWO LATCHES) SHEARED IN 
- [SDR 2020FA0000338](https://openairdocs.org/sdr/2020FA0000338), Jul 16, 2020: ALTERNATOR. BURNED. LOW VOLTAGE LIGHT ILLUMINATED. 30 SECONDS LATER A STRONG ELECTRICAL BURNING SMELL CAME FROM BEHIND THE PANEL FOLLOWED BY A VERY SMALL AMOUNT OF SMOKE. RAN ELECT
- [SDR 2020FA0000080](https://openairdocs.org/sdr/2020FA0000080), Jan 22, 2020: LIFTER. SPALLED. PILOT REPORTED LOW OIL PRESSURE AT IDLE, REMOVED OIL PRESSURE REGULATOR AND FOUND SHARP METAL CHIP IN BOTTOM OF REGULATOR WHERE IT HAD ARRIVED AFTER FALLING OUT
- [SDR ENHA20190926001](https://openairdocs.org/sdr/ENHA20190926001), Sep 26, 2019: DOOR. NOT CLOSED. PILOT REPORTED "DEPARTING FROM BETHEL, BACK DOOR OPENED DURING TAKEOFF ROLL. ABORTED TAKEOFF AND TAXIED BACK TO BASE." MX INSPECTED AND COULD NOT DUPLICATE.
- [SDR 2019FA0000211](https://openairdocs.org/sdr/2019FA0000211), Jul 6, 2019: ALTERNATOR. FAILED. WHILE IN FLIGHT THE SMELL OF BURNING ELECTRONICS WAS APPARENT IN THE CABIN. ALTERNATOR WAS TURNED OFF. ALL UNNECESSARY ELECTRONIC CIRCUITS WERE SHUT OFF USING T
- [SDR 2019F00210](https://openairdocs.org/sdr/2019F00210), Jun 4, 2019: ENGINE. MAKING METAL. EXPERIENCED POWER SURGES IN FLIGHT. FOLLOWED BY RPM DECLINE AND ENGINE FAILURE. UPON INSPECTION BY MECHANIC FOUND METAL IN OIL FILTER.
- [SDR ENHA2019F00207](https://openairdocs.org/sdr/ENHA2019F00207), May 16, 2019: UNKNOWN. SMOKE. POP HEARD ON CLIMB OUT, FOLLOWED BY ELECTRICAL SMELL AND SMOKE IN CABIN.
- [SDR ENHA2019FA0000154](https://openairdocs.org/sdr/ENHA2019FA0000154), May 16, 2019: UNKNOWN. SMOKE. HEARD A POP ON TAKEOFF AND NOTICED STRONG ELECTRICAL SMELL AND SMOKE.
- [SDR EVGR201908070001](https://openairdocs.org/sdr/EVGR201908070001), May 6, 2019: PUMP. LEAKING. DURING A FUEL INJECTION SYSTEM CHECK WITH PRESSURE GAUGES IT WAS NOTED THAT FUEL WAS LEAKING FROM A VENT ON THE BACK SIDE OF THE ENGINE DRIVEN FUEL PUMP JUST BE
- [SDR EPUA2019022019001](https://openairdocs.org/sdr/EPUA2019022019001), Feb 19, 2019: IGNITION LEAD. UNKNOWN. DURING FLIGHT PILOT INDICATED ENGINE ROUGHNESS AND VIBRATION. MAINTENANCE REPLACED LEFT HAND IGNITION HARNESS AND R/H MUFFLER.
- [SDR ENHA618D](https://openairdocs.org/sdr/ENHA618D), Feb 18, 2019: ALTERNATOR. SEIZED. ALTERNATOR FAILURE IN FLIGHT, PILOT MADE A PRECAUTIONARY LANDING AT PRIVATE AIRSTRIP DUE TO A BURNING SMELL IN THE CABIN. UPON INSPECTION MAINTENANCE, PERSONNEL
- [SDR CA180907015](https://openairdocs.org/sdr/CA180907015), Sep 7, 2018: ALTERNATOR. FAILED. (CAN) FAILED DURING FLIGHT, BATTERY RUN DOWN AS A RESULT. (TC# 20180907015)
- [SDR EPUA2018030316001](https://openairdocs.org/sdr/EPUA2018030316001), Mar 16, 2018: BUSHING. WORN. THE AIRCRAFT ENGINE HAD FREQUENT PROBLEMS WITH THE ALTERNATOR BELT COMING OFF. MAINTENANCE INSPECT THE COUNTERWEIGHT ATTACH BUSHING FOR DEFECTS. ON INSPECTION I
- [SDR EPUA20180302001](https://openairdocs.org/sdr/EPUA20180302001), Mar 2, 2018: BUSHING. WORN. THE ENGINE HAD EXPERIENCE FREQUENT ALTERNATOR BELT THROWING PROBLEMS. NO FIX WAS FOUND. THE DECISION WAS MADE TO HAVE THE ENGINE INSPECTED FOR DEFECTS. FOUND EX
- [SDR 2017FA0000512](https://openairdocs.org/sdr/2017FA0000512), Oct 13, 2017: INTAKE VALVE. CHIPPED. LOW COMPRESSION DURING A 100 HOUR INSPECTION, IN ONE CYLINDER (20/80) WAS OBSERVED. BORESCOPE INSPECTION SHOWED AN INTAKE VALVE THAT HAD LOST PART OF THE LIP TH
- [SDR 2017FA0000506](https://openairdocs.org/sdr/2017FA0000506), Oct 3, 2017: ROCKER. BRINELLED. DURING AN ENGINE REPAIR, ONE ROCKER ARM WAS FOUND TO HAVE SEVERELY WORN AREA WHERE THE ROCKER ARM PUSHES ON THE VALVE STEM.
- [SDR 2017FA0000345](https://openairdocs.org/sdr/2017FA0000345), Aug 4, 2017: VALVE SPRING. CORRODED. PILOT REPORTED LOSS OF POWER AND LOWERED TEMP READINGS FROM CYLINDER 2 IN FLIGHT. SHORTLY AFTER THAT ON APPROACH, HE LOST NR 4 TEMP READINGS AND MORE POWER LOSS
- [SDR EPUA20170725001](https://openairdocs.org/sdr/EPUA20170725001), Jul 16, 2017: DOOR SILL. CRACKED. DURING A PHASE INSPECTION, THE COPILOT LOWER OUTER DOOR SILL WAS FOUND CRACKED. REPLACED WITH A NEW.
- [SDR 2017FA0000334](https://openairdocs.org/sdr/2017FA0000334), May 12, 2017: LIFTER. SPALLED. THE ENGINE IS A FACTORY ENGINE WITH ONLY 192.7 HOURS TT. OUR ACFT FLY ROUGHLY 400 HOURS A YEAR. WE HAVE CHANGED OUR OIL TYPE SINCE THE LAST ENGINE CHANGE TO 20W
- [SDR 2017FA0000337](https://openairdocs.org/sdr/2017FA0000337), May 12, 2017: LIFTER. SPALLED. THIS ENGINE IS A FACTORY ENGINE WITH ONLY 192.7 HOURS TT. OUR ACFT FLY ROUGHLY 400 HOURS A YEAR. WE HAVE CHANGED OUR OIL TYPE SINCE THE LAST ENGINE CHANGE TO 20
- [SDR 2017FA0000365](https://openairdocs.org/sdr/2017FA0000365), May 12, 2017: LIFTER. SPALLED. LIFTERS WITH SEVERE SPALLING AND ONE CAM LOBE THAT WAS WORN OUT OF TOLERANCE DUE TO A VERY BAD LIFTER. THIS LIFTER IS FACTORY AND IS DEFECTIVE AT 192.7 HRS.
- [SDR 2017FA0000366](https://openairdocs.org/sdr/2017FA0000366), May 12, 2017: LIFTER. SPALLED. LIFTERS FOUND WITH SEVERE SPALLING AND ONE CAM LOBE THAT WAS WORN OUT OF TOLERANCE DUE TO A VERY BAD LIFTER. THIS LIFTER IS FACTORY AND IS DEFECTIVE AT 192.7 HR
- [SDR 2017FA0000369](https://openairdocs.org/sdr/2017FA0000369), May 12, 2017: LIFTER. SPALLED. LIFTERS FOUND WITH SEVERE SPALLING AND ONE CAM LOBE THAT WAS WORN OUT OF TOLERANCE DUE TO A VERY BAD LIFTER. THIS LIFTERS IS FACTORY AND IS DEFECTIVE AT 192.7 H
- [SDR 2017FA0000370](https://openairdocs.org/sdr/2017FA0000370), May 12, 2017: LIFTER. SPALLED. LIFTERS WITH SEVERE SPALLING AND ONE CAM LOBE THAT WAS WORN OUT OF TOLERANCE DUE TO A VERY BAD LIFTER. THIS LIFTER IS FACTORY AND IS DEFECTIVE AT 192.7 HRS.
- [SDR 2017FA0000375](https://openairdocs.org/sdr/2017FA0000375), May 12, 2017: LIFTER. SPALLED. THIS ENG IS A FACTORY ENG WITH ONLY 192.7 HRS TT. OUR ACFT FLY ROUGHLY 400 HRS A YEAR. WE HAVE CHANGED OUR OIL TYPE SINCE THE LAST ENG CHANGE TO EXON ELITE 20W5
- [SDR 2017FA0000352](https://openairdocs.org/sdr/2017FA0000352), Apr 27, 2017: CONNECTING ROD. DEPARTED. THREW A CONNECTING ROD FROM EITHER NR 3 OR NR 4 CYLINDER THROUGH THE TOP OF THE CRANKCASE. DID NOT DISASSEMBLE ENGINE. SENT BACK TO MANUFACTURER.
- [SDR 2016FA0000464](https://openairdocs.org/sdr/2016FA0000464), Sep 28, 2016: ENGINE. DAMAGED. APPROX 2 MIN AFTER TAKEOFF FROM PAKN I NOTICED SMOKE IN THE COCKPIT AND BEGAN TO HEAD BACK THE AIRPORT. APPROX 30 SEC AFTER THE FIRST INDICATION OF SMOKE I HAD 
- [SDR 2016FA0000321](https://openairdocs.org/sdr/2016FA0000321), Jul 6, 2016: ELT. FAILED. ELT DID NOT ACTIVATE AFTER THE AIRCRAFT IMPACTED THE SIDE OF A MOUNTAIN. ELT DID NOT APPEAR TO BE DAMAGED IN THE ACCIDENT.
- [SDR EPUA20160521001](https://openairdocs.org/sdr/EPUA20160521001), May 21, 2016: MUFFLER. CONTAMINATED. DURING TAKEOFF, PILOT REPORTS OF BURNING PLASTIC SMELL. INSPECTED ACFT & FOUND MELTED PLASTIC ON LT MUFFLER. IT IS BELIEVED THAT THE PLASTIC WAS FROM A TIE WRAP
- [SDR CA160321008](https://openairdocs.org/sdr/CA160321008), Mar 14, 2016: CYLINDER. MAKING METAL. (CAN) ENGINE RECEIVED FOR INSPECTION DUE TO METAL CONTAMINATION. IT WAS IDENTIFIED BY THE ENGINEER DURING INSPECTION OF THE ENGINE OIL SCREEN. IT WAS ALSO NOTED
- [SDR CA160319001](https://openairdocs.org/sdr/CA160319001), Mar 13, 2016: CYLINDER. FAILED. (CAN) ENGINE STARTED RUNNING ROUGH JUST AFTER TAKEOFF, PILOT RETURNED TO AIRPORT. MAINTENANCE INSPECTED ENGINE AND FOUND ZERO COMPRESSION ON NR 5 CYLINDER AND M
- [SDR P9KA2015120804](https://openairdocs.org/sdr/P9KA2015120804), Dec 6, 2015: BREAKER POINTS. INOPERATIVE. PILOT REPORTED ENG DIED WHEN IGNITION SWITCH MOVED TO LT POSITION. TROUBLESHOOTING REVEALED LT MAGNETO INOPERATIVE. REPLACED LT MAGNETO WITH SERVICEABLE, ALL CH
- [SDR YAAA20151118001](https://openairdocs.org/sdr/YAAA20151118001), Nov 18, 2015: SHAFT. SHEARED. PILOT REPORTS SUCTION READING NIL. REMOVED VACUUM PUMP & SHAFT WAS SHEARED.
- [SDR HXXC2016F00015](https://openairdocs.org/sdr/HXXC2016F00015), Oct 20, 2015: TUBE. FAILED. UPON LANDING, LEFT MAIN TUBE WENT FLAT.
- [SDR YAAA2015100520](https://openairdocs.org/sdr/YAAA2015100520), Oct 5, 2015: SWITCH. FAULTY. PILOT REPORTED SMOKE COMING FROM UNDER DASH ON LANDING WHEN TURNING ON PITOT HEAT. FOUND PITOT HEAT SWITCH MELTED UNDER DASH.
- [SDR 2015FA0000358](https://openairdocs.org/sdr/2015FA0000358), Jul 31, 2015: CRANKSHAFT. BROKEN. AIRCRAFT ON CLIMBOUT THROUGH 4000' EXPERIENCED SUDDEN LOSS OF POWER AND MADE A FORCED LANDING TO A HIGHWAY. INSPECTION REVEALED CRANKSHAFT BROKEN IN VICINITY OF
- [SDR EPUA073115001](https://openairdocs.org/sdr/EPUA073115001), Jul 31, 2015: ENGINE. POWER LOSS. DURING A SCHEDULED FLIGHT, PILOT NOTICED ENG WAS NOT MAKING FULL POWER, PILOT RETURNED TO BASE & LANDED WITHOUT INCIDENT. REPLACED ENG ASSEMBLY DUE TO ITS TIME 
- [SDR CA150716007](https://openairdocs.org/sdr/CA150716007), Jul 13, 2015: FASTENER. DETACHED. (CAN) FOUND LT WING FUEL BLADDER INBD MIDDLE AND INBD REAR CLIPS HAD FALLEN OFF, CAUSING THE FUEL BLADDER TO DROOP AND PUT PRESSURE ON THE FUEL LEVEL TRANSMITTE
- [SDR CA150706013](https://openairdocs.org/sdr/CA150706013), Jul 1, 2015: ENGINE. POWER LOSS. (CAN) IN CRUISE FLIGHT THE ENGINE BEGAN RUNNING VERY ROUGHLY. PILOT RETURNED TO BASE FOR MAINTENANCE. SPARK PLUGS REMOVED, INSPECTED, AND TESTED, NO FAULTS FOUN
- [SDR CA150704002](https://openairdocs.org/sdr/CA150704002), Jun 26, 2015: ALTERNATOR. FAILED. (CAN) ON RUN UP PILOT DISCOVERED THE ALTERNATOR WAS NOT CHARGING. REMOVED ALTERNATOR PN DOFF10300JR, 123.9 TSOH. INSTALLED SERVICEABLE ALTERNATOR PN DOFF10300JR

All 751: https://openairdocs.org/engine/continental-io-520-f/reports.md

## STCs that may be installed (OpenAirDocs) (60, 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. Lists IO-520 Series
- [STC SE04349CH](https://openairdocs.org/stc/SE04349CH): Installation of SureFly electronic ignition. SureFly Partners Ltd
- [STC SE02352CH](https://openairdocs.org/stc/SE02352CH): Installation of Challenger cleanable oil filter assembly. Challenger Aviation Products Inc
- [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 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 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
- [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
- [STC SE09217SC](https://openairdocs.org/stc/SE09217SC): Installation of modified fuel injector nozzles. General Aviation Modifications Inc
- [STC SE94WE](https://openairdocs.org/stc/SE94WE): Installation of oil fitting(AN-823-5D) in rocker box cover. Airwolf Filter Corporation
- [STC SE0417CH](https://openairdocs.org/stc/SE0417CH): Turbo-normalization. Western Skyways Aircraft Modifications Inc
- [STC SE00115SE](https://openairdocs.org/stc/SE00115SE): Replaces Teledyne-Continental Part Number 646277 lifter bodies. B & B Aviation LLC
- [STC SE5784NM](https://openairdocs.org/stc/SE5784NM): Replacement of Teledyne Continental original camshaft. B & B Aviation LLC
- [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
- [STC SE70RM](https://openairdocs.org/stc/SE70RM): Installation of compressor bracket. Air Comm Corporation
- [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
- [STC SE09637SC](https://openairdocs.org/stc/SE09637SC): Remove existing rocker arm assemblies and install modify rocker arm assemblies. General Aviation Modifications Inc
- [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
- [STC SE1186SW](https://openairdocs.org/stc/SE1186SW): Regrooving of pistons P/N 631475 or P/N 632585. Continental Motors, Inc
- [STC SE2340SW](https://openairdocs.org/stc/SE2340SW): Installation of modified cylinder assemblies, barrels, piston, and repaired crankcases. Continental Motors, Inc
- [STC SE5820SW](https://openairdocs.org/stc/SE5820SW): Installation of Airmotive exhaust valve, P/N AEC-637781. Continental Motors, Inc. Lists IO-520 Series
- [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc
- [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
- [STC SE3330NM](https://openairdocs.org/stc/SE3330NM): Continental valve cover gasket. Real Gaskets Tennessee
- [STC SE7325SW-D](https://openairdocs.org/stc/SE7325SW-D): Installation of crankcase modifications. RAM Aircraft Limited Partnership
- [STC SE09846SC](https://openairdocs.org/stc/SE09846SC): Installation of S539800M30 starter adapter springs. Aircraft Specialties Services Inc
- [STC SE443GL](https://openairdocs.org/stc/SE443GL): Incorporation of a fuel flow transducer. Shadin Avionics
- [STC SE1780NM](https://openairdocs.org/stc/SE1780NM): Installation of Precise Flight 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 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. Lists IO-520 Series
- [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. Lists IO-520 Series
- [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
- [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. Lists IO-520 Series
- [STC SE00577NY](https://openairdocs.org/stc/SE00577NY): Installation of Canadian Aero Mfg. (C.A.M.) Oil Coolers. Canadian Aero Manufacturing
- [STC SE09319SC](https://openairdocs.org/stc/SE09319SC): Modify oil pan adding a new oil sump drain. Texas Skyways Inc. Lists IO-520 Series
- [STC SE00350SE](https://openairdocs.org/stc/SE00350SE): Installation of sump mounted chip detector. Aviation Development Corporation
- [STC SE00427NY](https://openairdocs.org/stc/SE00427NY): Installation, operation and inspection of CAM oil coolers. Canadian Aero Manufacturing
- [STC SE2509NM](https://openairdocs.org/stc/SE2509NM): Installation of an emergency fuel system. Mission Avn Fellowship
- [STC SE09054SC](https://openairdocs.org/stc/SE09054SC): Remove fuel injection system, install carburetor and install 7.5:1 compression ratio pistons in place of 8.5:1 compression ratio pistons. Texas Skyways Inc
- [STC SE00143SE](https://openairdocs.org/stc/SE00143SE): Replaces the following Teledyne-Continental part numbers: 641682 (Rocker Arm, Exhaust), 539742 (Rocker Arm, Intake), 539740 (Rocker Arm, Shaft) and 538304 (Pushrod Assembly). Dakota Aircraft Parts Inc
- [STC SE09017SC](https://openairdocs.org/stc/SE09017SC): Convert to a Tex Skyways O-520-F-TS engine by removing fuel injection system and installing carburetor. Texas Skyways Inc
- [STC SE8687SW](https://openairdocs.org/stc/SE8687SW): Regrooving of pistons P/N 631475 or P/N 632585. Capehart Industries, Inc. Lists IO-520 Series
- [STC SE4314NM](https://openairdocs.org/stc/SE4314NM): Replacement of the original engine oil screen with an external mounted full flow oil adapter & spin-on filter. Timberman Allen E
- [STC SE8594SW](https://openairdocs.org/stc/SE8594SW): Installation of roller rocker arm P/N PE 92I intake and PE92E exhaust. Performance Engineering
- [STC SE5205NM](https://openairdocs.org/stc/SE5205NM): Installation of an Oilamatic engine filter screen adapter. Oilamatic Inc
- [STC SE400NE](https://openairdocs.org/stc/SE400NE): Installation of Auto-vac-2 instrument vacuum system. Raymond Ives
- [STC SE7422SW](https://openairdocs.org/stc/SE7422SW): Installation of Performance Engineering roller rocker arms. Performance Engineering
- [STC SE938GL](https://openairdocs.org/stc/SE938GL): Installation of oil filler tube extension. Rapco, Inc
- [STC SE2197CE](https://openairdocs.org/stc/SE2197CE): Add the following approved fuel: leaded & unleaded automotive gasoline 91 minimum antiknock index (RON+MON)/2. Intermixing with aviation gasoline also approved. Petersen Aviation Inc
- [STC SE4020NM](https://openairdocs.org/stc/SE4020NM): Installation of Ritter and Iverson Cam P/N 32122-1. Ritter & Iverson Co, Inc

All 60: https://openairdocs.org/engine/continental-io-520-f/stcs.md

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