# TCM Cont TSIO-520 series

- Type: Engine model (FAA registry)
- Registry code: 17060
- Manufacturer (registry): TCM CONT
- Model: TSIO 520 SER
- Engine type: Reciprocating
- Power: 350 hp
- Data sheet: [TCDS E8CE](https://openairdocs.org/tcds/E8CE) (OpenAirDocs)
- Holder: Continental Aerospace Technologies, Inc.
- Installed in: 49 registered aircraft
- Page: https://openairdocs.org/engine/tcm-cont-tsio-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 2020-16-11](https://openairdocs.org/ad/2020-16-11): SUMMARY: Reciprocating Cylinder Section · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-H and 23 more. Effective Sep 21, 2020
- [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 2012-10-13](https://openairdocs.org/ad/2012-10-13): Starter adapters · Continental Motors IO-550-N, TSIO-520-B, TSIO-520-BB and 14 more. Effective Jun 8, 2012
- [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 2011-13-03](https://openairdocs.org/ad/2011-13-03): Turbocharger Turbine · Lycoming Engines LTO-360-E1A6D, O-540-L3C5D, TIGO-541-E1A and 20 more. Effective Jul 13, 2011
- [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 2010-07-08](https://openairdocs.org/ad/2010-07-08): Turbochargers · Kelly Aerospace Energy Systems HIO-360-E1AD, HIO-360-E1BD, HIO-360-F1AD and 137 more. Effective Apr 19, 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 2008-08-17](https://openairdocs.org/ad/2008-08-17): Turbocharger turbine housing flange and the exhaust tube flange · Teledyne Continental Motors TSIOL-550-A 'Liquid-Cooled' engines (RAM Aircraft Limited Partnership STC SA7633SW or SA7633SW-D). Effective May 6, 2008
- [AD 2007-16-10](https://openairdocs.org/ad/2007-16-10): Kelly Aerospace Power Systems turbochargers · Turbonormalizing system (Engine Technologies STC SE10589SC or SA10588SC). Effective Aug 23, 2007
- [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 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 89-24-01 R1](https://openairdocs.org/ad/89-24-01-R1): Scavenge Oil Pump Gears · Continental Motors TSIO-520-B, TSIO-520-BB, TSIO-520-D and 11 more. Effective Aug 10, 1990
- [AD 89-24-03](https://openairdocs.org/ad/89-24-03): Turbocharger Inlet Assembly · Continental Motors TSIO-520-UB. Effective Jun 18, 1990
- [AD 89-14-01](https://openairdocs.org/ad/89-14-01): Crankshaft · Continental Motors TSIO-520-BE. Effective Sep 22, 1989
- [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 87-26-08](https://openairdocs.org/ad/87-26-08): Crankshaft and Piston Pins · Continental Motors TSIO-520-BE and TSIO-520-CE. Effective Apr 29, 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 84-25-05](https://openairdocs.org/ad/84-25-05): Turbocharger Oil Scavenge Reservoir · Continental Motors TSIO-520-BE. Effective Mar 4, 1985
- [AD 82-09-01](https://openairdocs.org/ad/82-09-01): Fuel Pressure Regulator Inlet and Outlet · Continental Motors TSIO-520-J, TSIO-520-K, TSIO-520-N and 1 more. Effective Jul 8, 1982
- [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 80-22-05](https://openairdocs.org/ad/80-22-05): Crankshaft Front Oil Seal · Continental Motors TSIO-520-M, TSIO-520-P and TSIO-520-R. Effective Oct 24, 1980
- [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 78-06-01](https://openairdocs.org/ad/78-06-01): Cylinder Intake Tube · Continental Motors TSIO-520-J and TSIO-520-N. Effective Jan 24, 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 76-13-09](https://openairdocs.org/ad/76-13-09): Left Hand Rear Exhaust Elbow, And Left And Right Hand Flanges · Continental Motors TSIO-520-L. Effective Aug 26, 1976
- [AD 75-09-13](https://openairdocs.org/ad/75-09-13): Turbocharger Oil Inlet Adapter · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-F and 9 more. Effective Apr 24, 1975
- [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 71-09-03](https://openairdocs.org/ad/71-09-03): Gasket and/or Fuel Leakage · Continental Motors TSIO-360-A, TSIO-520-B, TSIO-520-D and 2 more. Effective Apr 29, 1971

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 2011-25-51](https://openairdocs.org/ad/2011-25-51) (historical): Starter Adapter Gear Shaft · Continental Motors IO-550-N, TSIO-520-B, TSIO-520-BB and 14 more. Effective Dec 28, 2011
- [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 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

All 66: https://openairdocs.org/engine/tcm-cont-tsio-520-series/ads.md

## 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 (49)

- [N123MC](https://openairdocs.org/aircraft/N123MC): [Nelson Isaac](https://openairdocs.org/faa-owner/NELSON%20ISAAC), [Saint Croix Falls, WI](https://openairdocs.org/faa-place/WI/Saint%20Croix%20Falls), S/N 21063578
- [N124MD](https://openairdocs.org/aircraft/N124MD): [Kenmore Crew Leasing Inc Trustee](https://openairdocs.org/faa-owner/KENMORE%20CREW%20LEASING%20INC%20TRUSTEE), [Bellingham, WA](https://openairdocs.org/faa-place/WA/Bellingham), built 1981, S/N TJ374
- [N184TM](https://openairdocs.org/aircraft/N184TM): [Yates Christopher R](https://openairdocs.org/faa-owner/YATES%20CHRISTOPHER%20R), [Huntington Beach, CA](https://openairdocs.org/faa-place/CA/Huntington%20Beach), built 1956, S/N 32302
- [N1961U](https://openairdocs.org/aircraft/N1961U): [Mccarthy Trevor William](https://openairdocs.org/faa-owner/MCCARTHY%20TREVOR%20WILLIAM), [Addison, TX](https://openairdocs.org/faa-place/TX/Addison), built 1974, S/N U20602312
- [N203JL](https://openairdocs.org/aircraft/N203JL): [Jfra LLC](https://openairdocs.org/faa-owner/JFRA%20LLC), [Miami, FL](https://openairdocs.org/faa-place/FL/Miami), built 1981, S/N 414A0670
- [N206BS](https://openairdocs.org/aircraft/N206BS): [Blue Star Gas Fleet Services Co](https://openairdocs.org/faa-owner/BLUE%20STAR%20GAS%20FLEET%20SERVICES%20CO), [Central Point, OR](https://openairdocs.org/faa-place/OR/Central%20Point), built 1968, S/N P206-0434
- [N210TY](https://openairdocs.org/aircraft/N210TY): [Riley Charles](https://openairdocs.org/faa-owner/RILEY%20CHARLES), [Littleton, CO](https://openairdocs.org/faa-place/CO/Littleton), built 1979, S/N P210-00252
- [N224MH](https://openairdocs.org/aircraft/N224MH): [Feely Daniel R](https://openairdocs.org/faa-owner/FEELY%20DANIEL%20R), [Pasadena, CA](https://openairdocs.org/faa-place/CA/Pasadena), built 1978, S/N P21000089
- [N22VX](https://openairdocs.org/aircraft/N22VX): [Do Good Things LLC](https://openairdocs.org/faa-owner/DO%20GOOD%20THINGS%20LLC), [Port Orange, FL](https://openairdocs.org/faa-place/FL/Port%20Orange), built 1978, S/N TJ-171
- [N239EL](https://openairdocs.org/aircraft/N239EL): [Dingman Marine LLC](https://openairdocs.org/faa-owner/DINGMAN%20MARINE%20LLC), [Orlando, FL](https://openairdocs.org/faa-place/FL/Orlando), built 1975, S/N 414-0808
- [N2498S](https://openairdocs.org/aircraft/N2498S): [Katz Michael R Trustee](https://openairdocs.org/faa-owner/KATZ%20MICHAEL%20R%20TRUSTEE), [Merritt Island, FL](https://openairdocs.org/faa-place/FL/Merritt%20Island), built 1976, S/N 21061306
- [N303HL](https://openairdocs.org/aircraft/N303HL): [Lao Che Airfreight LLC](https://openairdocs.org/faa-owner/LAO%20CHE%20AIRFREIGHT%20LLC), [North Weymouth, MA](https://openairdocs.org/faa-place/MA/North%20Weymouth), built 1982, S/N T30300038
- [N303KJ](https://openairdocs.org/aircraft/N303KJ): [Brother Michael Andrew](https://openairdocs.org/faa-owner/BROTHER%20MICHAEL%20ANDREW), [Bedford, TX](https://openairdocs.org/faa-place/TX/Bedford), built 1984, S/N T303-00301
- [N303PB](https://openairdocs.org/aircraft/N303PB): [Plane Fun Inc Tr Trustee](https://openairdocs.org/faa-owner/PLANE%20FUN%20INC%20TR%20TRUSTEE), [Snellville, GA](https://openairdocs.org/faa-place/GA/Snellville), built 1984, S/N T30300290
- [N316ML](https://openairdocs.org/aircraft/N316ML): [Jump N316ml LLC](https://openairdocs.org/faa-owner/JUMP%20N316ML%20LLC), [East Berlin, PA](https://openairdocs.org/faa-place/PA/East%20Berlin), built 1969, S/N P2060549
- [N3279N](https://openairdocs.org/aircraft/N3279N): [Tips Frederick J III](https://openairdocs.org/faa-owner/TIPS%20FREDERICK%20J%20III), [San Antonio, TX](https://openairdocs.org/faa-place/TX/San%20Antonio), built 1974, S/N 21060452
- [N340AH](https://openairdocs.org/aircraft/N340AH): [Eden On Broad LLC](https://openairdocs.org/faa-owner/EDEN%20ON%20BROAD%20LLC), [Cookeville, TN](https://openairdocs.org/faa-place/TN/Cookeville), built 1977, S/N 340A0333
- [N340DF](https://openairdocs.org/aircraft/N340DF): [Wyatt Barbara](https://openairdocs.org/faa-owner/WYATT%20BARBARA), [Cheyenne, WY](https://openairdocs.org/faa-place/WY/Cheyenne), built 1973, S/N 340-0229
- [N340DW](https://openairdocs.org/aircraft/N340DW): [Silver David Scott](https://openairdocs.org/faa-owner/SILVER%20DAVID%20SCOTT), [Brookings, OR](https://openairdocs.org/faa-place/OR/Brookings), built 1978, S/N 340A-0497
- [N340LM](https://openairdocs.org/aircraft/N340LM): [Crawford William K](https://openairdocs.org/faa-owner/CRAWFORD%20WILLIAM%20K), [Indianapolis, IN](https://openairdocs.org/faa-place/IN/Indianapolis), built 1978, S/N 340A0478
- [N350GM](https://openairdocs.org/aircraft/N350GM): [Cannonball Trucking Inc](https://openairdocs.org/faa-owner/CANNONBALL%20TRUCKING%20INC), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston), built 1978, S/N 414A-0120
- [N3737](https://openairdocs.org/aircraft/N3737): [Qualitair LLC](https://openairdocs.org/faa-owner/QUALITAIR%20LLC), Michelstadt, built 1985, S/N 468508060
- [N3HK](https://openairdocs.org/aircraft/N3HK): [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 340-0538
- [N431CE](https://openairdocs.org/aircraft/N431CE): [Legacy Aviation LLC](https://openairdocs.org/faa-owner/LEGACY%20AVIATION%20LLC), [Ann Arbor, MI](https://openairdocs.org/faa-place/MI/Ann%20Arbor), built 1973, S/N 414-0431
- [N47WT](https://openairdocs.org/aircraft/N47WT): [Doucet Lucius J III](https://openairdocs.org/faa-owner/DOUCET%20LUCIUS%20J%20III), [Baton Rouge, LA](https://openairdocs.org/faa-place/LA/Baton%20Rouge), built 1966, S/N D-8217
- [N501KP](https://openairdocs.org/aircraft/N501KP): [Wasson Ronald L](https://openairdocs.org/faa-owner/WASSON%20RONALD%20L), [Colleyville, TX](https://openairdocs.org/faa-place/TX/Colleyville), built 1974, S/N TJ-21
- [N512K](https://openairdocs.org/aircraft/N512K): [Zotec Partners LLC](https://openairdocs.org/faa-owner/ZOTEC%20PARTNERS%20LLC), [Carmel, IN](https://openairdocs.org/faa-place/IN/Carmel), built 1978, S/N 414A0054
- [N5762J](https://openairdocs.org/aircraft/N5762J): [Jonesco Acquisitions LLC](https://openairdocs.org/faa-owner/JONESCO%20ACQUISITIONS%20LLC), [Bixby, OK](https://openairdocs.org/faa-place/OK/Bixby), built 1971, S/N 21059462
- [N5870M](https://openairdocs.org/aircraft/N5870M): [Mcdonald Brian L](https://openairdocs.org/faa-owner/MCDONALD%20BRIAN%20L), [Van Alstyne, TX](https://openairdocs.org/faa-place/TX/Van%20Alstyne), built 1972, S/N 3400058
- [N5PA](https://openairdocs.org/aircraft/N5PA): [Final Design Group LLC](https://openairdocs.org/faa-owner/FINAL%20DESIGN%20GROUP%20LLC), [Hurricane, UT](https://openairdocs.org/faa-place/UT/Hurricane), built 1981, S/N EA-251
- [N6227Y](https://openairdocs.org/aircraft/N6227Y): [West Brook Group Inc](https://openairdocs.org/faa-owner/WEST%20BROOK%20GROUP%20INC), [Pleasant Hill, IA](https://openairdocs.org/faa-place/IA/Pleasant%20Hill), built 1981, S/N 21064301
- [N6419X](https://openairdocs.org/aircraft/N6419X): [Pernat Frank J Trustee](https://openairdocs.org/faa-owner/PERNAT%20FRANK%20J%20TRUSTEE), [Chaska, MN](https://openairdocs.org/faa-place/MN/Chaska), built 1980, S/N U20605877
- [N6855R](https://openairdocs.org/aircraft/N6855R): [D & N Holdings Inc](https://openairdocs.org/faa-owner/D%20%26%20N%20HOLDINGS%20INC), [Boca Raton, FL](https://openairdocs.org/faa-place/FL/Boca%20Raton), built 1967, S/N T210-0255
- [N714DB](https://openairdocs.org/aircraft/N714DB): [Ipiranga Inc](https://openairdocs.org/faa-owner/IPIRANGA%20INC), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston), built 1996, S/N EA-585
- [N73TB](https://openairdocs.org/aircraft/N73TB): [Magic Leasing LLC](https://openairdocs.org/faa-owner/MAGIC%20LEASING%20LLC), [Peotone, IL](https://openairdocs.org/faa-place/IL/Peotone), built 1981, S/N 414A0474
- [N740CA](https://openairdocs.org/aircraft/N740CA): [Hyannis Air Service Inc](https://openairdocs.org/faa-owner/HYANNIS%20AIR%20SERVICE%20INC), [Hyannis, MA](https://openairdocs.org/faa-place/MA/Hyannis), built 1980, S/N 402C0277
- [N741DF](https://openairdocs.org/aircraft/N741DF): [Seeding Operations And Atmospheric Res (Soar) LLC](https://openairdocs.org/faa-owner/SEEDING%20OPERATIONS%20AND%20ATMOSPHERIC%20RES%20(SOAR)%20LLC), [San Angelo, TX](https://openairdocs.org/faa-place/TX/San%20Angelo), built 1975, S/N 414-0633
- [N74ES](https://openairdocs.org/aircraft/N74ES): [Valiair Ltd Co Trustee](https://openairdocs.org/faa-owner/VALIAIR%20LTD%20CO%20TRUSTEE), [Casper, WY](https://openairdocs.org/faa-place/WY/Casper), built 1979, S/N P21000279
- [N7584N](https://openairdocs.org/aircraft/N7584N): [Carto Flight Inc](https://openairdocs.org/faa-owner/CARTO%20FLIGHT%20INC), [Willoughby, OH](https://openairdocs.org/faa-place/OH/Willoughby), built 1977, S/N U20603689
- [N789BD](https://openairdocs.org/aircraft/N789BD): [Troy Farms Lp](https://openairdocs.org/faa-owner/TROY%20FARMS%20LP), [Delano, CA](https://openairdocs.org/faa-place/CA/Delano), built 1973, S/N 310Q0922
- [N7983Q](https://openairdocs.org/aircraft/N7983Q): [Lorenso Walker Institute Of Technology](https://openairdocs.org/faa-owner/LORENSO%20WALKER%20INSTITUTE%20OF%20TECHNOLOGY), [Naples, FL](https://openairdocs.org/faa-place/FL/Naples), built 1971, S/N 401B0202
- [N799KT](https://openairdocs.org/aircraft/N799KT): [Adams Aviation Services Inc Trustee](https://openairdocs.org/faa-owner/ADAMS%20AVIATION%20SERVICES%20INC%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1976, S/N U20603580
- [N82AW](https://openairdocs.org/aircraft/N82AW): [Qualitair LLC Trustee](https://openairdocs.org/faa-owner/QUALITAIR%20LLC%20TRUSTEE), Michelstadt, built 1978, S/N 414A0064
- [N920GG](https://openairdocs.org/aircraft/N920GG): [Abbott Air Inc](https://openairdocs.org/faa-owner/ABBOTT%20AIR%20INC), [Hydro, OK](https://openairdocs.org/faa-place/OK/Hydro), built 1976, S/N 21061545
- [N93362](https://openairdocs.org/aircraft/N93362): [Bouvier Ellis C](https://openairdocs.org/faa-owner/BOUVIER%20ELLIS%20C), [Prineville, OR](https://openairdocs.org/faa-place/OR/Prineville), built 1974, S/N 21060377
- [N954PW](https://openairdocs.org/aircraft/N954PW): [Weckbacher Paul J Jr](https://openairdocs.org/faa-owner/WECKBACHER%20PAUL%20J%20JR), [Inverness, FL](https://openairdocs.org/faa-place/FL/Inverness), built 1981, S/N U20606288
- [N959RH](https://openairdocs.org/aircraft/N959RH): [Rd Holdings LLC](https://openairdocs.org/faa-owner/RD%20HOLDINGS%20LLC), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), built 1978, S/N 414A0217
- [N9632Z](https://openairdocs.org/aircraft/N9632Z): [Angelone Inc](https://openairdocs.org/faa-owner/ANGELONE%20INC), [Elkhart, IN](https://openairdocs.org/faa-place/IN/Elkhart), S/N U20606585
- [N9TF](https://openairdocs.org/aircraft/N9TF): [Bender Glenn Steven](https://openairdocs.org/faa-owner/BENDER%20GLENN%20STEVEN), [Lovell, ME](https://openairdocs.org/faa-place/ME/Lovell), built 1948, S/N NAV-4-1396

## NTSB investigations (20)

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 ERA24FA217](https://openairdocs.org/ntsb/ERA24FA217), May 15, 2024: Beech V35 (N47WT), Franklin, TN, destroyed, 3 fatal. Probable cause: The pilot’s flight into convective weather, which resulted in a loss of control due to spatial disorientation and a subsequent inflight breakup of the airplane. Contributing to the accident was the…
- [NTSB CEN22LA339](https://openairdocs.org/ntsb/CEN22LA339), Jul 24, 2022: Cessna T310R (N731AJ), Oshkosh, WI, substantial damage. Probable cause: The pilot’s loss of control while landing.
- [NTSB ERA22LA215](https://openairdocs.org/ntsb/ERA22LA215), May 2, 2022: Cessna 414 (N46TA), Connellsville, PA, substantial damage. Probable cause: The pilot/mechanic’s failure to properly secure two airplane avionics units, which resulted in the trays supporting the units to sag downward and become lodged in the movement area of the elevator…
- [NTSB GAA18CA139](https://openairdocs.org/ntsb/GAA18CA139), Feb 17, 2018: Cessna 402 (N402MY), Mount Sterling, KY, substantial damage. Probable cause: The pilot’s failure to maintain directional control during the landing roll on a wet surface.
- [NTSB CEN17LA351](https://openairdocs.org/ntsb/CEN17LA351), Sep 9, 2017: Cessna 340 (N5870M), McKinney, TX, substantial damage. Probable cause: The failure of the bell crank pivot bolt which resulted in the left main landing gear collapse. Contributing to the accident was the lack of landing gear inspections in accordance with the airplane…
- [NTSB ERA17LA121](https://openairdocs.org/ntsb/ERA17LA121), Mar 2, 2017: Cessna 340 (N340DW), Ft Lauderdale, FL, substantial damage. Probable cause: Failure of the left main landing gear downlock link, which resulted in a landing gear collapse during the landing roll.
- [NTSB WPR17LA036](https://openairdocs.org/ntsb/WPR17LA036), Dec 12, 2016: Cessna T210M (N761SZ), Mecca, CA, substantial damage. Probable cause: The total loss of engine power due to fuel starvation during approach, which necessitated a gear-up landing on unsuitable terrain.
- [NTSB ERA16LA318](https://openairdocs.org/ntsb/ERA16LA318), Sep 16, 2016: Cessna P210 (N224MH), Lancaster, PA, substantial damage. Probable cause: A landing gear collapse during landing for reasons that could not be determined because postaccident examination and testing of the landing gear did not reveal any evidence of preimpact mechanical…
- [NTSB WPR15CA057](https://openairdocs.org/ntsb/WPR15CA057), Dec 9, 2014: Cessna P210 - N (N4881K), Jeffrey, WY, substantial damage. Probable cause: The pilot's inadequate approach and excessive airspeed, which resulted in a long landing, the subsequent runway overrun, and impact with terrain. Contributing to the accident was the pilot's delay in…
- [NTSB WPR10FA116](https://openairdocs.org/ntsb/WPR10FA116), Jan 18, 2010: Cessna 340 (N2217B), Lytle Creek, CA, substantial damage, 2 fatal. Probable cause: The pilot’s loss of situational awareness while maneuvering under a cloud layer and failure to maintain sufficient clearance from mountainous terrain.
- [NTSB DFW08FA038](https://openairdocs.org/ntsb/DFW08FA038), Nov 28, 2007: Cessna T210M (N3NG), Tulsa, OK, destroyed, 2 fatal. Probable cause: The pilot's failure to maintain clearance from the power transmission line(s). Contributing to the accident were the loss of aircraft electrical power, diverted attention, and the night conditions.
- [NTSB LAX07LA048](https://openairdocs.org/ntsb/LAX07LA048), Nov 26, 2006: Cessna 414A (N414AY), Las Vegas, NV, substantial damage. Probable cause: A loss of power in the right engine due to fuel starvation. The fuel starvation was the result of the pilot's improper fuel selector position setting.
- [NTSB SEA05WA151](https://openairdocs.org/ntsb/SEA05WA151), Jul 16, 2005: Cessna 340 (N888HB), Bangalore, India, substantial damage
- [NTSB ATL04LA148](https://openairdocs.org/ntsb/ATL04LA148), Jul 10, 2004: Cessna 401B (N7983Q), Naples, FL, substantial damage. Probable cause: The fracture of the right landing gear down lock stud which resulted in the right main landing gear collapse during landing roll.
- [NTSB SEA04LA108](https://openairdocs.org/ntsb/SEA04LA108), Jun 16, 2004: Cessna 421B (N332CC), Bend, OR, substantial damage. Probable cause: On ground encounter with terrain during the takeoff roll as a result of the left side brake not operating. Inadequate maintenance inspection, overload of the nose landing gear and soft terrain were…
- [NTSB FTW99LA184](https://openairdocs.org/ntsb/FTW99LA184), May 28, 1999: Cessna T303 (N400T), Houston, TX, substantial damage. Probable cause: The collapse of the nose landing gear for an undetermined reason.
- [NTSB LAX82FA250](https://openairdocs.org/ntsb/LAX82FA250), Jul 8, 1982: Cessna 414 (N46TA), Burbank, CA, substantial damage
- [NTSB OAK79DA022](https://openairdocs.org/ntsb/OAK79DA022), Mar 27, 1979: Cessna 207 (N1551U), Boulder, NV, no damage
- [NTSB CHI79FEP21](https://openairdocs.org/ntsb/CHI79FEP21), Jan 3, 1979: Cessna 340 (N888HB), Milwaukee, WI, substantial damage
- [NTSB UNK64X2392](https://openairdocs.org/ntsb/UNK64X2392), Jun 20, 1964: Navion NAV4 (N91786), Lewiston, ID, substantial damage

## FAA accident and incident reports (41)

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 20250612014569I](https://openairdocs.org/incident/20250612014569I), Jun 12, 2025: Cessna P210N (N210TY), Merdian, MS, Minor damage. Pilot arrived at kfin@ 0700, fueled aircraft, performed pre-flight inspection, departed Runway 11 @08151 received VFR flight following to kmei, entered left…
- [Incident 20250528005409I](https://openairdocs.org/incident/20250528005409I), May 28, 2025: Cessna 414 (N741DF), Dalhart, TX, Minor damage. On may 28, 2025, at approximately 1600, a Cessna 414G, lost the rack that holds the cloud seeding flares off the right wing. The rack struck the tip of the r/h…
- [Incident 20241020015939I](https://openairdocs.org/incident/20241020015939I), Oct 20, 2024: Cessna P206D (N316ML), Marietta, PA, No damage. Pilot experienced engine failure while climbing to an altitude of 10,500 feet. As a result of the engine failure the pilot was forced to make an off-field…
- [Accident 20240515006059A](https://openairdocs.org/incident/20240515006059A), May 15, 2024: Beech V35 (N47WT), Franklin, TN, Destroyed, 3 fatal. The pilot in command (PIC), operating [privacy data omitted], a Beechcraft bonanza BE35 with 2 passengers on board took of out of Louisiana regional (kreg) on…
- [Accident 20220724013079A](https://openairdocs.org/incident/20220724013079A), Jul 24, 2022: Cessna T310R (N731AJ), Substantial damage. Landed osh, rwy 36L winds 3208G22. Pilot first noted in a verbal statement the landing was hard and on the right gear. Written statement noted a normal landing…
- [Accident 20220502003329A](https://openairdocs.org/incident/20220502003329A), May 2, 2022: Cessna 414 (N46TA), Lemont Furnace, PA, Destroyed. The pilot discovered at rotation speed the elevator control would not pull back. The pilot applied the brakes and reduced power. The aircraft slid off the end…
- [Incident 20220224002879I](https://openairdocs.org/incident/20220224002879I), Feb 24, 2022: Cessna P210N (N210TY), Immokalee, FL, Minor damage. Aircraft landed at Immokalee airport. After touched down on runway 9 for the second time, the mains touched and once the nose wheel touched the runway it…
- [Accident 20180217002689A](https://openairdocs.org/incident/20180217002689A), Feb 17, 2018: Cessna 402B (N402MY), Mt Sterling, KY, Substantial damage. Pilot after completing a missed approach, turned short and landed passed the 4000 foot marker leaving 2000 feet to stop. Applied hard braking and slid off the…
- [Incident 20171025020329I](https://openairdocs.org/incident/20171025020329I), Oct 25, 2017: Cessna T210M (N6025N), Erie, CO, Minor damage. On October 25th, 2017,N6025N, a Cessna T210A, during VMC conditions, the pilot departed centennial airport, (apa) Colorado around 0800 am. During survey…
- [Accident 20170909021309A](https://openairdocs.org/incident/20170909021309A), Sep 9, 2017: Cessna C340 (N5870M), Mckinney, TX, Substantial damage. On September 9, 2017 at 1500 CDT, a Cessna 340, N5870M, s/n 340-0058, [privacy data omitted] had an accident while landing at Mckinney airport (tki). [privacy…
- [Accident 20170302001859A](https://openairdocs.org/incident/20170302001859A), Mar 2, 2017: Cessna 340A (N340DW), Fort Lauderdale, FL, Substantial damage. Aircraft N340DW was on landing rollout on rwy 09 at fxe the left gear collapsed.
- [Accident 20161211021899A](https://openairdocs.org/incident/20161211021899A), Dec 11, 2016: Cessna T210M (N761SZ), Mecca, CA, Substantial damage. While 15 miles out from ktrm, the pilot in command (PIC) descended to 6500FT for final approach. When the PIC switched the fuel selector from right fuel tank…
- [Accident 20160916018659A](https://openairdocs.org/incident/20160916018659A), Sep 16, 2016: Cessna P210N (N224MH), Lititz, PA, Substantial damage. Aircraft was cleared to land on rwy 8 at lns. Pilot states the landing gear position lever was in the down position. Pilot indicated the landing gear indicator…
- [Accident 20141209022289A](https://openairdocs.org/incident/20141209022289A), Dec 9, 2014: Cessna P210N (N4881K), Jeffery City, WY, Substantial damage. On December 09, 2014 approximately 11:00 LCL, N4881K pilot stated he landed fast and long on a 1500 foot grass runway. Aircraft went off end of runway and…
- [Incident 20131209024509I](https://openairdocs.org/incident/20131209024509I), Dec 9, 2013: Cessna T210M (N6025N), Taos, NM, Minor damage. On December 09, 2013, at 1030MST, a Cessna T210M, N6025N, registered to mar-tech engineering LLC made an off airport landing about 5 mile from Taos airport…
- [Incident 20110315003779I](https://openairdocs.org/incident/20110315003779I), Mar 15, 2011: Cessna T303 (N6VQ), Stow, OH, Minor damage. Pilot was executing the RNAV 19 approach to kent state university airport. Pilot arrived at mda and visually located the airport and proceeded to land on…
- [Accident 20100118026199A](https://openairdocs.org/incident/20100118026199A), Jan 18, 2010: Cessna 340 (N2217B), Lydle Creek, CA, Destroyed, 2 fatal. On 01/18/2010 at approximately 2103 zulu time a Cessna 340, N2217B, departed henderson airport (hnd), henderson, NV enroute to compton airport (cpm), compton,…
- [Accident 20071127828839A](https://openairdocs.org/incident/20071127828839A), Nov 27, 2007: Cessna T210M (N3NG), Tulsa, OK, Destroyed, 2 fatal. (-23) The pilot had just purchased this aircraft the day of the accident. He had taken a 2 hour high performance check ride with [privacy data omitted] a local…
- [Incident 20070706017989I](https://openairdocs.org/incident/20070706017989I), Jul 6, 2007: Cessna T210M (N6025N), St Francis, KS, Minor damage. (-23) Aircraft landed long and rolled off the end of the runway into a sod area damaging the nose gear, propeller and right wing tip.
- [Accident 20061126024959A](https://openairdocs.org/incident/20061126024959A), Nov 26, 2006: Cessna 414A (N414AY), Las Vegas, NV, Substantial damage. (-23) The aircraft was cleared to land on runway 12R at the north Las Vegas airport. On approach the right engine quit and the pilot was unable to make the air…
- [Incident 20060627012799I](https://openairdocs.org/incident/20060627012799I), Jun 27, 2006: Cessna 401B (N7983Q), Naples, FL, Minor damage. (-23) On 6/27/2006, pilot with mechanic on board, lost control while taxiing aircraft N7983Q down c taxiway at Naples airport. Aircraft turned left, nose gear…
- [Incident 20050329006009I](https://openairdocs.org/incident/20050329006009I), Mar 29, 2005: Cessna T210N (N210WX), Mesa, AZ, Minor damage. (-23) Pilot took off runway 22L and turned left downwind. At approximately 300 feet AGL the engine made popping noise and immediately lost power. The pilot had…
- [Accident 20040710017369A](https://openairdocs.org/incident/20040710017369A), Jul 10, 2004: Cessna 401B (N7983Q), Naples, FL, Substantial damage. (-23) During the landing rollout, the pilot reported that the right gear started to shudder, including a flat tire. Then the right gear collapsed, causing the…
- [Accident 20040616012579A](https://openairdocs.org/incident/20040616012579A), Jun 16, 2004: Cessna 421B (N332CC), Bend, OR, Minor damage. (-23) Aircraft commenced take-off roll at take-off power. As pilot released brakes, aircraft veered right, immediately power was reduced to flight idle and the…
- [Incident 20020901022869I](https://openairdocs.org/incident/20020901022869I), Sep 1, 2002: Cessna TU206G (N6207Z), Salt Lake City, UT. (-23) On 9/1/02 aircraft N6207Z enroute from slc to rno the pilot reported he experienced a partial loss of power and made a precautionary landing 7 miles west…
- [Incident 20011011029579I](https://openairdocs.org/incident/20011011029579I), Oct 11, 2001: Cessna 402C (N817PW), Honolulu, HI. (-23)Pilot departed west maui enroute to hnl without passengers. After departure, SIC call for checklist and PIC turned transpomder on. While approaching hnl…
- [Incident 19990728028649I](https://openairdocs.org/incident/19990728028649I), Jul 28, 1999: Cessna T210M (N222SE), Arthur, NE, Minor damage. (-23) While on an IFR clearance at 13,000 feet MSL pilot cancelled IFR and proceeded VFR in an attempt to locate the airport at Arthur, Nebraska. While still…
- [Accident 19990528017599A](https://openairdocs.org/incident/19990528017599A), May 28, 1999: Cessna T303 (N400T), Houston, TX, Substantial damage. (.19)On may 28, 1999, at 1600 central daylight time a Cessna T303 multi-engine airplane, N400T, was substantially damaged when the nose landing gear collapsed…
- [Incident 19931127047629I](https://openairdocs.org/incident/19931127047629I), Nov 27, 1993: Cessna T210L (N2498S), Muscle Shoals, AL, Minor damage. Struck a deer on landing rollout with righ elevator and vertical stabilizer.
- [Incident 19911117060119I](https://openairdocs.org/incident/19911117060119I), Nov 17, 1991: Cessna T210K (N5762J), Bullhead City, AZ, Minor damage. Left main landing gear collapsed on landing rollout. Found landing gear retraction switch quite dirty.
- [Incident 19901005061179I](https://openairdocs.org/incident/19901005061179I), Oct 5, 1990: Cessna T210M (N6025N), Blackfoot, ID, Minor damage. Pilot taxied nose wheel into hole in weed covered ramp. Passenger hit head on instrument panel.
- [Incident 19890401021469I](https://openairdocs.org/incident/19890401021469I), Apr 1, 1989: Cessna 402C (N6841R), Waterville, ME. Malfunctioning altitude encoder caused erroneous altitude readout. Pilot went below assigned altitude.
- [Incident 19871003074199I](https://openairdocs.org/incident/19871003074199I), Oct 3, 1987: Cessna 172L (N6855R), Brooksville, FL, Minor damage. Brake failed while taxing for takeoff. Hit a parked aircraft. Found right brake master cylinder had failed.
- [Incident 19840701042479I](https://openairdocs.org/incident/19840701042479I), Jul 1, 1984: Cessna T210L (N93362), Hastings, NE, Minor damage. Engine quit during descent to destination. Landed in a corn field. Found water and dirt in fuel.
- [Incident 19840625038629I](https://openairdocs.org/incident/19840625038629I), Jun 25, 1984: Cessna TU206G (N6207Z), Crevice Creek, AK. Engine seized en route. Was able to make a forced landing on an airstrip.
- [Incident 19840207048339I](https://openairdocs.org/incident/19840207048339I), Feb 7, 1984: Cessna 414 (N46TA), Burbank, CA, Minor damage. Unable to extend the nose gear. Elected to land gear up.
- [Accident 19820708029349A](https://openairdocs.org/incident/19820708029349A), Jul 8, 1982: Cessna 414 (N46TA), Burbank, CA, Substantial damage. Left main landing gear collapsed during landing roll. Drag brace bushings were loose.
- [Incident 19790327011719I](https://openairdocs.org/incident/19790327011719I), Mar 27, 1979: Cessna 207 (N1551U), Las Vegas, NV. Flight encountered sever turbulance near mt wilson at 6500 ft.
- [Incident 19790127003889I](https://openairdocs.org/incident/19790127003889I), Jan 27, 1979: Cessna T210L (N93362), Creston, IA, Minor damage. Ice on windshield after descent through clouds. Pilot missed runway.
- [Accident 19790103000199A](https://openairdocs.org/incident/19790103000199A), Jan 3, 1979: Cessna 340CESSNA (N888HB), Milwaukee, WI, Substantial damage. Pilot lost control during landing roll. Pilot suspected brake malfunction. None found.
- [Incident 19780211007149I](https://openairdocs.org/incident/19780211007149I), Feb 11, 1978: Cessna 210 (N2498S), Lyndonville, VT, Minor damage. Pilot unable to extend the gear. Post accident test showed gear operating normally. Problem could have been ice.

## Service difficulty reports (403, newest 50)

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

- [SDR 2026FA0000832](https://openairdocs.org/sdr/2026FA0000832), Sep 13, 2026: CLAMP. BROKEN. AIRCRAFT DEPARTED KHND. A FEW MINUTES AFTER REACHING FL 190 AND SETTING CRUISE POWER, THE LEFT ENGINE BEGAN TO LOSE POWER. THE LEFT ENGINE MANIFOLD PRESSURE BEG
- [SDR 2026FA0000327](https://openairdocs.org/sdr/2026FA0000327), May 7, 2026: ALTERNATOR. DESTROYED. ALTERNATOR INPUT SHAFT HAS BEEN DAMAGED DUE TO DETROYED DRIVE COUPLING. DRIVE COUPLING HUB NO LONGER ROUND AND WOODRUFF KEY SLOT NO LONGER VISIBLE AS THE HOLE I
- [SDR 2026FA0000329](https://openairdocs.org/sdr/2026FA0000329), May 7, 2026: ALTERNATOR. DESTROYED. ALTERNATOR DRIVE COUPLING DESTROYED CAUSING SUBSEQUENT FAILURE OF ENGINE'S DRIVE GEAR P/N 657984. ALL FOUR BOLTS P/N 649205 SHEARED OFF OR THREADS STRIPPED FROM
- [SDR 2025FA0000670](https://openairdocs.org/sdr/2025FA0000670), Sep 12, 2025: PUMP. LEAKING. DURING A PLANNED FLIGHT FROM FORT WORTH MEACHAM (KFTW) TO KENOSHA, WI (KENW), THE PILOT OF A PIPER PA-46-310P MALIBU EXPERIENCED A FUEL SYSTEM ANOMALY. APPROXIM
- [SDR 2024FA0000268](https://openairdocs.org/sdr/2024FA0000268), Mar 15, 2024: CYLINDER HEAD. SEPARATED. THE PILOT REPORTED A LOSS OF MANIFOLD PRESSURE IN FLIGHT ALONG WITH A REDUCTION IN POWER AND CRUISE SPEED. THE AIRCRAFT SAT UNTIL THE 28TH OF MARCH AWAITING MAI
- [SDR XGNA2020122400010](https://openairdocs.org/sdr/XGNA2020122400010), Dec 24, 2020: FITTING. BROKEN. PILOT REPORT: UPON DEPARTING ADS (GTX936 ADS-LBB) TOWER REPORTED SEEING A CONTRAIL STREAMING FROM THE PLANE. PILOT CONFIRMED AND SAID HE WOULD RETURN. NOT LONG 
- [SDR 2020FA0000377](https://openairdocs.org/sdr/2020FA0000377), Aug 18, 2020: RING. BROKEN. ELECTRICAL SYSTEM FAILURE. FOUND BROKEN RING TERMINAL AT POSITIVE TERMINAL OF ALTERNATOR. FOUND VOLTAGE REGULATOR INOP.
- [SDR 2020F00280](https://openairdocs.org/sdr/2020F00280), Jan 22, 2020: LIFTER. SPALLED. REMOVED ALL HYDRAULIC LIFTERS TO INSPECT FOR SPALLING, DISCOVERED BADLY SPALLED EXHAUST LIFTER ON CYLINDER #4. INSPECTED CAM IN ACCORDANCE WITH CONTINENTAL SERV
- [SDR HTKA2020010800001](https://openairdocs.org/sdr/HTKA2020010800001), Aug 16, 2019: ENGINE. FAILED. ENGINE FAILED IN FLIGHT. NR 5 AND NR 6 CONNECTING ROD (CRANK END) PROTRUDING THROUGH TOP OF ENGINE CASE. HOLES IN BOTH SIDES OF CASE BELOW NR 5 AND NR 6 CYLINDE
- [SDR 2020FA0000109](https://openairdocs.org/sdr/2020FA0000109), Jun 14, 2019: SHAFT. BROKEN. ALTERNATOR WAS INSTALLED ON ENGINE. ENGINE INSTALLED IN ACFT ON 3/1/2017 ACFT TT 5410.1 SHAFT IN ALTERNATOR BROKEN, REMOVED 6/12/2019 ACFT TT5740.9 TIME IN SERV
- [SDR N3BA201608160001](https://openairdocs.org/sdr/N3BA201608160001), Jul 12, 2016: LINE. CRACKED. OIL LINE, FROM EXHAUST BYPASS VALVE TO VARIBLE ABSOLUTE PRESSURE CONTROLLER CRACKED AT ATTACHMENT FLARE. THIS CAUSED OIL LEAK THAT GOT WORSE DURING FLIGHT. DUE 
- [SDR 2016FA0000306](https://openairdocs.org/sdr/2016FA0000306), Jun 23, 2016: RETURN SPRING. BROKEN. WHILE IN CRUISE FLIGHT ABOVE 10,000 FEET, THERE WAS INSUFFICIENT PITCH TO REDUCE RPM TO CRUISE CONDITION. PROPELLER HUB DISASSEMBLED, AND FOUND A BROKEN PROPELL
- [SDR 2016FA0000237](https://openairdocs.org/sdr/2016FA0000237), May 13, 2016: ACTUATOR. BROKEN. DIRECT DRIVE AILERON AUTOPILOT ACTUATOR, ARC PA495A-1, WAS BROKEN INSIDE MOTOR HOUSING CAUSING THE AILERON CONTROLS TO HANG UP.
- [SDR 2016FA0000218](https://openairdocs.org/sdr/2016FA0000218), Apr 10, 2016: DOWNLOCK ARM. BROKEN. STARBOARD DOWNLOCK ARM ON THE NOSE GEAR FAILED UPON LANDING CAUSING SIGNIFICANT DAMAGE TO ACFT. POST FLIGHT INSPECTON SHOWED THE WELD AT THE BALL JOINT APEARED 
- [SDR 2016F00096](https://openairdocs.org/sdr/2016F00096), Mar 8, 2016: BOLT. FAILED. LEFT MLG SCISSORS ASSY. THE AN310-5 NUT GALLED OFF THE END OA AN AN175-20 BOLT. RESULTING IN THE FAILURE OF THE LT MLG SCISSORS ASSEMBLY.
- [SDR 2016FA0000083](https://openairdocs.org/sdr/2016FA0000083), Jan 9, 2016: MOTOR. FAILED. BRUSH BROKE LOOSE AND LODGED IN MOTOR. MOTOR SHORTED AND SMOKE ENTERED THE COCKPIT.
- [SDR 2015FA0000496](https://openairdocs.org/sdr/2015FA0000496), Oct 19, 2015: HUB. CRACKED. DURING ROUTINE INSPECTION, CRACKS WERE DISCOVERED IN THE HUB AT AFT EDGE, MATING SURFACE TO ENGINE CRANK FLANGE. THE MOST PROMINENT CRACK IS ABOUT .5" LONG. THE
- [SDR N3BA2016100500003](https://openairdocs.org/sdr/N3BA2016100500003), Sep 18, 2015: NUT. BROKEN. NR 4 CYLINDER'S CONNECTING ROD END CAP SEPARATED FROM CONNECTING ROD. INSPECTION OF ENGINE REVEALED THAT 1 OF THE 2 ATTACHMENT NUTS THAT SECURES END CAP TO CONN
- [SDR HYIA20150729001](https://openairdocs.org/sdr/HYIA20150729001), Jul 26, 2015: O-RING. LEAKING. PILOT REPORTED FUEL ODOR IN COCKPIT. R & R THE RIGHT FUEL BOWL O-RING, NO FURTHER DEFECTS NOTED.
- [SDR HYIA20150206001](https://openairdocs.org/sdr/HYIA20150206001), Feb 1, 2015: WIRE HARNESS. CHAFED. PILOT REPORTED SEEING SMOKE FROM RT ENG ON SHUT DOWN. FURTHER INVESTIGATION FOUND CHAFED WIRE HARNESS IN RT ENG BAY. ACFT IS CURRENTLY IN MX REPAIRING & REPLACI
- [SDR ZSDA2014082200001](https://openairdocs.org/sdr/ZSDA2014082200001), Aug 6, 2014: BRAKE SYS. CONTAMINATED. AIRCRAFT DEPARTED TAXIWAY. NO DAMAGE TO AIRCRAFT. AIRCRAFT TOWED TO HANGAR. FOUND AIR BUBBLES IN BRAKE LINE WHILE BLEEDING BRAKES. TOPPED OFF RESERVOIR. INSPECT
- [SDR 2014FA0000361](https://openairdocs.org/sdr/2014FA0000361), Jun 4, 2014: POINTS. BROKEN. OWNER PERFORMED MAGNETO CHECK ON LT ENGINE AND FOUND MAGNETO INOPERABLE, UPON REMOVAL OF MAGNETO AND INSPECTION OF MAGNETO FOUND THE POINTS CONTACT BROKEN.
- [SDR HYIA20140425113](https://openairdocs.org/sdr/HYIA20140425113), Apr 22, 2014: UNKNOWN. MALFUNCTIONED. PILOT REPORTED LT ENG FUEL FLOW FLUCTUATES AROUND 100 PPH DURING CLIMB WITH FUEL PUMP, AUXILIARY, OFF. REPLACED LT ENG DRIVEN FUEL PUMP IAW CMI MANUAL & RELEASE
- [SDR HYIA20140422111](https://openairdocs.org/sdr/HYIA20140422111), Apr 20, 2014: FUEL LINE. CRACKED. PILOT REPORTED FUEL SMELL IN COCKPIT. FOUND A FUEL LINE FROM THE RT ENG FIREWALL TO THE RT FUEL BOWL LEAKING. THE LINE WAS REPLACED, OPERATIONAL & LEAK CHECK WE
- [SDR HYIA20140421108](https://openairdocs.org/sdr/HYIA20140421108), Apr 18, 2014: HEATER. LEAKING. DURING A TRAINING FLIGHT THE PILOT REPORTED A FUEL SMELL IN THE COCKPIT WHEN THE HEATER WAS ON. HE SHUT OFF THE HEATER & REPORTED THE DISCREPANCY TO MX. SECURED
- [SDR HYIA20140421109](https://openairdocs.org/sdr/HYIA20140421109), Apr 18, 2014: UNKNOWN. ODOR. PILOT REPORTED A FUEL ODOR IN THE COCKPIT. PERFORMED A FUEL PRESSURE TEST & NO DEFECTS WERE NOTED, NO ACTION TAKEN.
- [SDR 2013FA0000470](https://openairdocs.org/sdr/2013FA0000470), Aug 15, 2013: PIN. BROKEN. NOSE GEAR COLLASPED ON LANDING ROLL OUT. THERE ARE 2 PINS INSTALLED IN THE END OF THE NOSE GEAR ACTUATOR BEARING END. THE DOWN LOCK HOOKS ENGAGE ON THESE 2 PINS
- [SDR C41R201307030001](https://openairdocs.org/sdr/C41R201307030001), Jul 3, 2013: O-RING. MISSING. TROUBLESHOT ENGINE OIL CONSUMPTION AND LEAKAGE. FOUND OIL LEAK AFTER NUMEROUS ATTEMPTS TO NARROW OIL LEAK TO A CENTRAL LOCATION. DISCOVERED OIL LEAKING FROM AIR
- [SDR 2013FA0000280](https://openairdocs.org/sdr/2013FA0000280), Apr 10, 2013: MOUNT. ERODED. DURING LT AND RT ENGINE CHANGE THE LT AND RT ENGINE MOUNT TRUSSES WERE INSPECTED. SEVERE HEAT EROSION WAS FOUND ON THE LT BEAM BELOW THE FWD INDUCTION AIR BOX M
- [SDR 2013FA0000181](https://openairdocs.org/sdr/2013FA0000181), Mar 20, 2013: HOSE. LEAKING. FIRST GROUND RUN REVEALED A LEAKING OIL PRESSURE TO WASTGATE HOSE OR FITTING. REPLACED FITTING IN ENGINE WITH NEW STEEL FITTING. SECOND GROUND RUN, OIL LEAKED F
- [SDR HYIA20130320001](https://openairdocs.org/sdr/HYIA20130320001), Mar 18, 2013: PUMP. MALFUNCTIONED. FLIGHT CREW REPORTED THAT PRIOR TO TAKEOFF ALL INDICATIONS WERE NORMAL. SHORTLY AFTER TAKEOFF WHILE CLIMBING, THE CREW REPORTED THAT THE RT ENGINE SURGED AND TH
- [SDR 2013FA0000096](https://openairdocs.org/sdr/2013FA0000096), Feb 1, 2013: CHECK VALVE. WORN. DURING GROUND LEAK CHECK AND PRESSURE CHECK OF DEICE BOOT SYS, FOUND LT AND RT CHECK VALVES INOPERATIVE. REMOVE AND INSPECTED CHECK VALVES. FOUND VALVES WORN AN
- [SDR HYIA20120118002](https://openairdocs.org/sdr/HYIA20120118002), Jan 16, 2013: GOVERNOR. INOPERATIVE. PILOT REPORTED THAT WHEN REDUCING POWER WHILE TRANSITIONING FROM CLIMB TO CRUISE, THE LT ENGINE PROPELLER RPM STAYED AT FULL RPM AND WOULD NOT REDUCE. THE PILOT
- [SDR HYIA20121221001](https://openairdocs.org/sdr/HYIA20121221001), Dec 20, 2012: GOVERNOR. OVERSPEED. PILOT REPORTED THAT ON CLIMBOUT, THE RT PROP BECAME UNCONTROLLABLE AND WOULD OVERSPEED. THE PILOT ELECTED TO RETURN TO THE DEPARTURE AIRPORT. UPON MX INSPECTION
- [SDR 2012FA0000803](https://openairdocs.org/sdr/2012FA0000803), Dec 6, 2012: MOUNT. CRACKED. DURING ROUTINE INSPECTION NOTICED LT ENGINE OIL LEAK. REMOVED LT ALTERNATOR AND FOUND 4" CRACK AFT SECTION OF ALTERNATOR MOUTING FLANGE TO BASE OF NR 5 CYLINDER
- [SDR 2012FA0000701](https://openairdocs.org/sdr/2012FA0000701), Oct 17, 2012: FITTING. CORRODED. DURING NEW ACFT CONFORMITY INSPECTION, IT WAS NOTED THAT THE LT UPPER FORWARD FUSELAGE FITTING WAS CORRODED. THE DETERMINED CORRECTIVE ACTION WAS TO REMOVE AND 
- [SDR HYIA20120904005](https://openairdocs.org/sdr/HYIA20120904005), Sep 1, 2012: BOLT. FAILED. PILOT REPORTED THAT WHILE TAXIING, A DISCREPANCY WAS NOTED ON THE LT MAIN. ON INSPECTION, IT WAS DISCOVERED THAT THE LT MLG TORGUE LINK CENTER BOLT HAD COME APA
- [SDR HYIA20120904001](https://openairdocs.org/sdr/HYIA20120904001), Aug 29, 2012: HSI. FAILED. DURING CRUISE, THE PILOT NOTED A THE ODOR OF SMOKE IN THE COCKPIT. AN UNSCHEDULED LANDING WAS MADE. THE PROBLEM WAS TROUBLESHOT TO A PICK UP IN THE HSI. THE HSI
- [SDR M7JA201207300001](https://openairdocs.org/sdr/M7JA201207300001), Jul 23, 2012: OIL SYSTEM. LOW PRESSURE. DECREASING OIL PRESSURE AND INCREASING OIL TEMP.
- [SDR 2012FA0000657](https://openairdocs.org/sdr/2012FA0000657), Jul 18, 2012: FUEL CELL. DEBONDED. FLOATS AND FUEL CELLS, NEWLY MFG INBD L/E TANK , REPLACES OEM CELL PN 60-921057-3. NEWLY INSTALLED 1-6-12. LOW POINT DRAIN NIPPLE INTERNAL REINFORCEMENT DEBONDE
- [SDR HYIA20120708002](https://openairdocs.org/sdr/HYIA20120708002), Jul 8, 2012: HSI. INOPERATIVE. SHORTLY AFTER TAKEOFF, THE PILOT REPORTED THAT THEIR HSI WAS INOPERATIVE WHICH WAS ACCOMPANIED BY A SMOKE ODOR IN THE COCKPIT AND ELECTED TO RETURN FOR A LANDIN
- [SDR C41R201201240101](https://openairdocs.org/sdr/C41R201201240101), Jan 23, 2012: MASTER CYLINDER. DAMAGED. ON LANDING ROLLOUT, PILOT HAD NO LT BRAKE. MX REMOVED LT MASTER CYLINDER AND DISCOVERED MASTER CYLINDER END GLAND HAD UNSCREWED ALL BUT 2 THREADS CAUSING FLUID 
- [SDR GNB2011F00001](https://openairdocs.org/sdr/GNB2011F00001), Aug 24, 2011: WEB. CRACKED. CRACKS FOUND FOR/AFT AREA PREVIOUSLY ADDRESSED IN MEB 84-12. REPAIR CONDUCTED IAW 8110-3 FAA APPROVED DATA, REF 135415A(14).
- [SDR 2011FA0000269](https://openairdocs.org/sdr/2011FA0000269), Mar 31, 2011: LEG ASSY. BROKEN. ACFT LANDED WITH NOSE LANDING GEAR IN THE UNLOCKED POSITION. THE PILOT REPORTED ON TAKEOFF THAT THE ACFT HAD A SEVERE VIBRATION AT APPROX 85 KNT, CONTINUED FLIG
- [SDR HYIA769EALFTMAIN](https://openairdocs.org/sdr/HYIA769EALFTMAIN), Mar 19, 2011: LINE. DEFECTIVE. CREW REPORTED, ON FINAL APPROACH, LANDING GEAR DOWNLOCK LIGHTS FAILED TO ILLUMINATE. WITH GEAR SELECTED DOWN, BOTH HYD FLOW WARNING LIGHTS CAME ON STEADY. CREW 
- [SDR XGN2011F00005](https://openairdocs.org/sdr/XGN2011F00005), Jan 18, 2011: CYLINDER HEAD. CRACKED. NR 1 CYLINDER CRACKED BETWEEN THE FINS AFT OF THE FUEL INJECTOR BY THE INTAKE VALVE AND WAS LEAKING FUEL. THIS CYLINDER, THECYLINDER HEAD WAS MFG WITH THE METAL
- [SDR XGN2011F00006](https://openairdocs.org/sdr/XGN2011F00006), Jan 18, 2011: CYLINDER HEAD. CRACKED. NR 2 CYLINDER CRACKED BETWEEN THE FINS AFT OF THE FUEL INJECTOR BY THE INTAKE VALVE AND WAS LEAKING FUEL. THIS CYLINDER, THECYLINDER HEAD WAS MFG WITH THE METAL
- [SDR HYIA6879RHTR](https://openairdocs.org/sdr/HYIA6879RHTR), Jan 3, 2011: IGNITION UNIT. SHORTED. CREW REPORTED, CABIN HEATER INOPERATIVE DURING FLIGHT. 20 MINUTES PRIOR TO REACHING FINAL DESTINATION, CREW REPORTED ODOR OF SOMETHING MELTING OR SMOLDERING. HE
- [SDR 2011FA0000039](https://openairdocs.org/sdr/2011FA0000039), Jan 3, 2011: MOUNT. DAMAGED. UPON REMOVAL, AN INSPECTION OF THE MOUNT WAS PERFORMED. DAMAGE WAS FOUND ON THE INBD MAIN SUPPORT CHANNEL. APPROX 10-12 INCHES FWD OF WHERE THE MOUNT ATTACHES T
- [SDR HYIA6879RDEICE](https://openairdocs.org/sdr/HYIA6879RDEICE), Dec 13, 2010: DEICE SYSTEM. MALFUNCTIONED. CREW REPORTED, AT CRUISE ALTITUDE, ACFT BEGAN ENCOUNTERING ICING CONDITIONS. WING AND STABILIZER DEICE BOOTS FAILED TO REMOVE ICE. CREW REPORTED SURFACE DEICE S

All 403: https://openairdocs.org/engine/tcm-cont-tsio-520-series/reports.md

## STCs that may be installed (OpenAirDocs) (110, 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 SE0417CH](https://openairdocs.org/stc/SE0417CH): Turbo-normalization. Western Skyways Aircraft Modifications Inc. Lists TSIO-520-C
- [STC SE2599NM](https://openairdocs.org/stc/SE2599NM): Installation of an air intercooler in the engine induction system downstream of the turbocharger. Western Skyways Aircraft Modifications Inc. Lists TSIO-520-C
- [STC SE3248NM](https://openairdocs.org/stc/SE3248NM): Installation of air to air intercooler in engine induction system. Western Skyways Aircraft Modifications Inc. Lists TSIO-520-C
- [STC SE3782NM](https://openairdocs.org/stc/SE3782NM): Installation of an intercooler in the engine air induction system. Western Skyways Aircraft Modifications Inc. Lists TSIO-520-M
- [STC SE2529NM](https://openairdocs.org/stc/SE2529NM): Installation of an air to air intercooler in the engine induction system downstream of the turbocharger. Western Skyways Aircraft Modifications Inc. Lists TSIO-520-AF
- [STC SE3932NM](https://openairdocs.org/stc/SE3932NM): Installation of an intercooler in the engine air induction system. Western Skyways Aircraft Modifications Inc. Lists TSIO-520-R
- [STC SE5583SW](https://openairdocs.org/stc/SE5583SW): Installation of fuel flow transducers (true-flow totalizer). Alcor LLC
- [STC SE04349CH](https://openairdocs.org/stc/SE04349CH): Installation of SureFly electronic ignition. SureFly Partners Ltd. Lists TSIO-520-A
- [STC SE02352CH](https://openairdocs.org/stc/SE02352CH): Installation of Challenger cleanable oil filter assembly. Challenger Aviation Products Inc. Lists TSIO-520-A
- [STC SE5009NM](https://openairdocs.org/stc/SE5009NM): Installation of a modified exhaust system. Aerospace Welding Minneapolis Inc. Lists TSIO-520-C
- [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 TSIO-520-A
- [STC SE57WE](https://openairdocs.org/stc/SE57WE): Installation of two (2) Roto-Master 3DT5FF10J2, P/N 600572-00 (formerly Rajay Model No. 315F10 P/N RJ0080-100, -101, or - 102) turbochargers. TALCO Aviation. Lists TSIO-520-D
- [STC SE04577CH](https://openairdocs.org/stc/SE04577CH): Install an electronic engine ignition system. Electroair Acquisition Corp. Lists TSIO-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 TSIO-520-A
- [STC SE4988NM](https://openairdocs.org/stc/SE4988NM): Remove turbocharger and fuel injection system and install carburetor. North Point Aviation. Lists TSIO-520-C
- [STC SE96WE](https://openairdocs.org/stc/SE96WE): Installation of oil fitting(AN-823-5D) in rocker box cover. Airwolf Filter Corporation. Lists TSIO-520-A
- [STC SE09908AC](https://openairdocs.org/stc/SE09908AC): Conversion of Continental Motors, Inc. (CMI) model TSIO-520-UB to RAM model IO-550-B-RA engine. RAM Aircraft Limited Partnership. Lists TSIO-520-UB
- [STC SE00113SE](https://openairdocs.org/stc/SE00113SE): Replaces Teledyne-Continental Part Number 646277 lifter bodies. B & B Aviation LLC. Lists TSIO-520-B
- [STC SE5784NM](https://openairdocs.org/stc/SE5784NM): Replacement of Teledyne Continental original camshaft. B & B Aviation LLC. Lists TSIO-520-AF
- [STC SE5785NM](https://openairdocs.org/stc/SE5785NM): Replacement of Teledyne Continental original camshaft with P/N 32122-2. B & B Aviation LLC. Lists TSIO-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 TSIO-520-C
- [STC SE70RM](https://openairdocs.org/stc/SE70RM): Installation of compressor bracket. Air Comm Corporation. Lists TSIO-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 TSIO-520-A
- [STC SE1462CE](https://openairdocs.org/stc/SE1462CE): Installation of SSP Products P/N 3208672-91 heater core and P/N 3208677-104 shroud. Textron Aviation Inc. Lists TSIO-520-T
- [STC SE2393NM](https://openairdocs.org/stc/SE2393NM): Installation of a magneto pressurization kit assembly and associated system for Bendix Models S6RN-1201 and 1205, and SLICK Models 662, 680, 6210 and 6220. Turboplus Aircraft Systems, Inc. Lists TSIO-520-AF
- [STC SE1186SW](https://openairdocs.org/stc/SE1186SW): Regrooving of pistons P/N 631475 or P/N 632585. Continental Motors, Inc. Lists TSIO-520-A
- [STC SE2340SW](https://openairdocs.org/stc/SE2340SW): Installation of modified cylinder assemblies, barrels, piston, and repaired crankcases. Continental Motors, Inc. Lists TSIO-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
- [STC SE04117CH](https://openairdocs.org/stc/SE04117CH): Conversion of Continental Motors engine models TSIO-520-C, -G, -H, -M & -R to the naturally aspirated IO-520-A, -F, -J & -L. Western Skyways. Lists TSIO-520-C
- [STC SE3330NM](https://openairdocs.org/stc/SE3330NM): Continental valve cover gasket. Real Gaskets Tennessee. Lists TSIO-520-B
- [STC SE00081LA](https://openairdocs.org/stc/SE00081LA): Modification of induction system. TC SKYROCKET LLC. Lists TSIO-520-NB
- [STC SE09280SC-D](https://openairdocs.org/stc/SE09280SC-D): Modify engine in accordance with RAM Aircraft Corporation Drawing No. 1888. RAM Aircraft Limited Partnership. Lists TSIO-520-B
- [STC SE09281SC-D](https://openairdocs.org/stc/SE09281SC-D): Modify engine in accordance with RAM Aircraft Corporation Drawing Number 1891. RAM Aircraft Limited Partnership. Lists TSIO-520-B
- [STC SE3632SW-D](https://openairdocs.org/stc/SE3632SW-D): Installation of induction hose clamps. RAM Aircraft Limited Partnership. Lists TSIO-520-B
- [STC SE09016SC-D](https://openairdocs.org/stc/SE09016SC-D): Modify IAW RAM Drawing No. 1742. RAM Aircraft Limited Partnership. Lists TSIO-520-BE
- [STC SE09104SC-D](https://openairdocs.org/stc/SE09104SC-D): Modify Teledyne Continental TSIO-520-NB engine. Maximum continuous power is 335 hp at 2700 rpm and 38.0 inches Hg manifold pressure. This mod is limited to Teledyne Continental motors model TSIO-520-NB engines modified per STC SE4327SW. RAM Aircraft Limited Partnership. Lists TSIO-520-NB
- [STC SE09259SC-D](https://openairdocs.org/stc/SE09259SC-D): Installation of RAM Aircraft Corporation oil cooler. RAM Aircraft Limited Partnership. Lists TSIO-520-NB
- [STC SE09282SC-D](https://openairdocs.org/stc/SE09282SC-D): Modify engine in accordance with RAM Aircraft Corporation Drawing Number 1892. RAM Aircraft Limited Partnership. Lists TSIO-520-BB
- [STC SE09653SC-D](https://openairdocs.org/stc/SE09653SC-D): Installation of RAM Induction Equalized Fuel Nozzle Set. RAM Aircraft Limited Partnership. Lists TSIO-520-B
- [STC SE4327SW-D](https://openairdocs.org/stc/SE4327SW-D): Increase all operations power rating to 325 horse power (HP) at 40 inches of manifold pressure (MP) and 2700 RPM. RAM Aircraft Limited Partnership. Lists TSIO-520-NB
- [STC SE3631SW-D](https://openairdocs.org/stc/SE3631SW-D): Cylinder modifications. RAM Aircraft Limited Partnership. Lists TSIO-520-A
- [STC SE5726SW-D](https://openairdocs.org/stc/SE5726SW-D): Installation of Floscan - 20lb or - 203b fuel flow transducers. RAM Aircraft Limited Partnership. Lists TSIO-520-B
- [STC SE2831SW-D](https://openairdocs.org/stc/SE2831SW-D): Installation of Bendix S6RN-1251 and S6RN-1255 magnetos. RAM Aircraft Limited Partnership. Lists TSIO-520-N
- [STC SE3714SW-D](https://openairdocs.org/stc/SE3714SW-D): Install RAM economy camshaft and modified cylinders. RAM Aircraft Limited Partnership. Lists TSIO-520-N
- [STC SE09846SC](https://openairdocs.org/stc/SE09846SC): Installation of S539800M30 starter adapter springs. Aircraft Specialties Services Inc. Lists TSIO-520-AF
- [STC SE444GL](https://openairdocs.org/stc/SE444GL): Incorporation of a fuel flow transducer. Shadin Avionics. Lists TSIO-520-AE
- [STC SE630SW](https://openairdocs.org/stc/SE630SW): Engine modifications. RAM Aircraft Limited Partnership. Lists TSIO-520-AF
- [STC SE4651SW](https://openairdocs.org/stc/SE4651SW): Installation of Slick pressurized magnetos. Also eligible on Teledyne Continental TSIO-520-NB engines modified per STC SE4327SW. RAM Aircraft Limited Partnership. Lists TSIO-520-A
- [STC SE1780NM](https://openairdocs.org/stc/SE1780NM): Installation of Precise Flight standby vacuum system (SVS III). Precise Flight Inc. Lists TSIO-520-A

All 110: https://openairdocs.org/engine/tcm-cont-tsio-520-series/stcs.md

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

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

- [CF643093](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164619900220251205185208.0001): Plug, Fuel Injection. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces 643093 · Nov 26, 2025
- [CF646044](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID144974039620251205185208.0001): Screw, Idle Adjustment. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces 646044 · Nov 26, 2025
- [CF521693-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID119767613520251205185207.0001): Ring, Internal Retaining. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces 521693-3 · Nov 26, 2025
- [CF633298](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID113488815020251205185208.0001): Bushing, Idle Adjustment Spring. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces 633298 · Nov 26, 2025
- [ES-349220-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID194020120020251216184347.0001): Magneto Assembly, S-1200 Series, 6 Cyl. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 643730, 646981, 10-349220-5… · Nov 10, 2025
- [ES10-78655](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161110679520251216184359.0001): Washer, Flat. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-78655 · Nov 10, 2025
- [AB-160844](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151702454020251216184413.0001): Spring & Brush Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-160844 · Nov 10, 2025
- [ES-349260-6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145424543120251216184348.0001): Magneto Assembly, S-1200 Series, 6 Cyl. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 632959, 643808, 646983, 10-349260-1… · Nov 10, 2025
- [ES10-349328](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID133216337220251216184402.0001): Flat Washer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349328 · Nov 10, 2025
- [ES10-349221](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID127914849220251216184358.0001): Stud, Hex 10-32. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349221 · Nov 10, 2025
- [ES10-35937-24](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125559175020251216184356.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-35937-24 · Nov 10, 2025
- [ES10-349249](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID119000666420251216184404.0001): Washer, Bowed. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349249 · Nov 10, 2025
- [ES10-349242](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID108910536620251216184408.0001): Gear, Spur, 1200 Series, 6-Cyl. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349242 · Nov 10, 2025
- [ES-349350-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID107643747420251216184353.0001): Magneto Assembly, S-1200 Series, 6 Cyl. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 640030, 643809, 646958, 653291… · Nov 10, 2025
- [ES10-349247](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID105647677720251216184406.0001): Retainer, Bearing. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-349247 · Nov 10, 2025
- [ES-349350-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101007268720251216184353.0001): Magneto Assembly, S-1200 Series, 6 Cyl. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 640030, 643810, 646957, 653290… · Nov 10, 2025
- [ES10-400567](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100938046920251216184405.0001): Bearing, Ball. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-400567 · Nov 10, 2025
- [AF643358](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID116133459820251113211642.0001): Intercylinder Baffle Assembly. Airforms LLC · PMA PQ2644CE · Replaces 643358 · Oct 14, 2025
- [AF643364](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100239935520251113211643.0001): Intercylinder Baffle Assembly. Airforms LLC · PMA PQ2644CE · Replaces 643364 · Oct 14, 2025
- [55232-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID118791111020251216184415.0001): Body and Fitting Assembly, Scavenge Pump. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 658443-4 · Sep 18, 2025
- [OC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID130007141720250923184432.0001): Oil Cooler Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Sep 12, 2025
- [AE942](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131877492320250908153026.0001): Rotor Shaft. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number ALU-238 · Aug 27, 2025
- [AE45BS-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID102351889020250908153032.0001): Brush Rack Assembly. Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number ALU-1045BS · Aug 27, 2025
- [HSS](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID138215977120250923185924.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Aug 4, 2025
- [TXPL6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID130997274520250923185923.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Aug 4, 2025
- [SL6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125599638020250923185921.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Aug 4, 2025
- [SA648044 P010](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185218489020250328184537.0001): Piston. Superior Air Parts Inc · PMA PQ0060SW · Replaces 654840 P010654724 P010648033… · Mar 26, 2025
- [SA648044 P015](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182452297920250328184537.0001): Piston. Superior Air Parts Inc · PMA PQ0060SW · Replaces 654840 P015654724 P015648033… · Mar 26, 2025
- [CF628333-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196698779220250312124924.0001): Plunger, Relief Valve. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces 628333-1 · Dec 31, 2024
- [CAP653359](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID142558914120240919134300.0001): Coupling. CAP AIR LLC · PMA PM03133AC-E · Replaces 653359 · Aug 2, 2024
- [AA48109-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152352387820240813134135.0001): Oil Filter. Aero Accessories LLC · PMA PQ1206CE · Replaces Aero AccessoriesAA48109Champion… · Jul 12, 2024
- [ES917](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID192492107120251216184202.0001): Impulse Coupling Spring. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M917 · May 20, 2024
- [ES3019](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190822192120251216184207.0001): Nut. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3019 · May 20, 2024
- [AM-3217](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190801817120251216184156.0001): Wave Spring Washer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M-3217 · May 20, 2024
- [AM3611](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190443277420251216184158.0001): Cam. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3611, M1522 · May 20, 2024
- [AM-3015](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190038963420251216184149.0001): Screw, Housing. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3015 · May 20, 2024
- [AM-3215](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186810273420251216184147.0001): Brush Assy, Distributor. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3215 · May 20, 2024
- [AK-3975](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182506865320251216184200.0001): Coil, Ignition. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3009, M3114, M3525, K3975, K3975 · May 20, 2024
- [ES3307](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182005482120251216184214.0001): Gasket Pressure Kit. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces K3307 · May 20, 2024
- [AM-3020](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175941851820251216184145.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3020 · May 20, 2024
- [ES3084](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171307156420251216184211.0001): Air Vent With Hood. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3084 · May 20, 2024
- [AM-2556](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID163056043620251216184154.0001): Cotter Pin. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M2556 · May 20, 2024
- [ES3018](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159518890720251216184203.0001): Clamp, Bearing Cap. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3018 · May 20, 2024
- [AM-3021](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155587978420251216184143.0001): Screw Distributor Block. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3021 · May 20, 2024
- [ES3050](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155180936920251216184217.0001): Impulse Coupling Assy.. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3050 · May 20, 2024
- [ES3180](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID154737934920251216184210.0001): Tube Fitting, Pressure. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3180 · May 20, 2024
- [ES3179](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151924957720251216184210.0001): Vent Plug, Pressure. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3179 · May 20, 2024
- [AM-3485](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151658177120251216184155.0001): Bearing Cap, Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3485 · May 20, 2024
- [AM-3006](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146130218820251216184150.0001): Bearing. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3006 · May 20, 2024
- [ES3221](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141393701020251216184227.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3221 · May 20, 2024

All of them: https://openairdocs.org/engine/tcm-cont-tsio-520-series/pma.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.