# NTSB investigations: Continental IO-520-F

A list on [Continental IO-520-F](https://openairdocs.org/engine/continental-io-520-f.md).

Matched to the registry by N-number and event date, newest first.

Page 1 of 2 · 93 investigations

- [NTSB ANC24LA043](https://openairdocs.org/ntsb/ANC24LA043.md): Cessna 207A · Bethel, AK · Accident · No injuries · Class 3 · Limited · Final report · Jun 3, 2024 · N9651M · Substantial damage
  > 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.md): Cessna U206F · Chinitna Bay, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 28, 2023 · N1733R · Substantial damage
  > The pilot’s failure to maintain directional control on takeoff.
- [NTSB ANC23LA019](https://openairdocs.org/ntsb/ANC23LA019.md): Cessna 207 · Newtok, AK · Accident · No injuries · Class 4 · Limited · Final report · Feb 2, 2023 · N9996M · Substantial damage
  > 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 check airman’s inadequate supervision.
- [NTSB ERA22LA358](https://openairdocs.org/ntsb/ERA22LA358.md): Cessna 207 · Dillingham, AK · Accident · No injuries · Class 3 · Limited · Final report · Jul 28, 2022 · N6908M · Substantial damage
  > 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 control cable, which ultimately led to its failure in flight.
- [NTSB ANC22LA031](https://openairdocs.org/ntsb/ANC22LA031.md): Cessna 207A · Pilot Station, AK · Accident · No injuries · Class 4 · Limited · Final report · Apr 16, 2022 · N73503 · Substantial damage
  > 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.md): Cessna 207 · Marathon, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Dec 29, 2021 · N1596U · Minor damage
  > 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.md): Cessna 207A · Bethel, AK · Accident · No injuries · Class 3 · Limited · Final report · Nov 21, 2021 · N9794M · Substantial damage
  > 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.md): Cessna 207A · Laredo, TX · Accident · No injuries · Class 4 · Limited · Final report · Mar 24, 2021 · N9177M · Substantial damage
  > 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.md): Cessna 207 · Kwigillingok, AK · Accident · No injuries · Data collection · Final report · Dec 10, 2019 · N9728M · Substantial damage
  > 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.md): Cessna U206 · Pedro Bay, AK · Accident · No injuries · Limited investigation · Final report · Aug 18, 2018 · N441GR · Substantial damage
  > 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.md): Cessna 207 · Hope, AK · Accident · No injuries · Data collection · Final report · Jul 3, 2017 · N9620M · Substantial damage
  > The pilot’s inadvertent flight into instrument meteorological conditions and subsequent controlled flight into terrain.
- [NTSB GAA17CA353](https://openairdocs.org/ntsb/GAA17CA353.md): Cessna 207 · Homer, AK · Accident · No injuries · Data collection · Final report · Jun 6, 2017 · N207RB · Substantial damage
  > 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.md): Cessna 207A · Juneau, AK · Accident · 1 fatal · Class 3 · Field · Final report · Jul 17, 2015 · N62AK · Substantial damage
  > 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. Contributing to the accident were the company's failure to follow its…
- [NTSB ERA15LA263](https://openairdocs.org/ntsb/ERA15LA263.md): Cessna 210 5A(205A) · Stafford Twp, NJ · Accident · Minor injuries · Limited investigation · Final report · Jul 12, 2015 · N315EC · Substantial damage
  > 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.md): Cessna TU206 · Deadhorse, AK · Accident · No injuries · Limited investigation · Final report · Sep 22, 2014 · N206J · Substantial damage
  > 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 a catastrophic engine failure.
- [NTSB ANC13CA042](https://openairdocs.org/ntsb/ANC13CA042.md): Cessna 207A · Newtok, AK · Accident · Minor injuries · Data collection · Final report · May 4, 2013 · N9400M · Substantial damage
  > 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 decision to initiate a go-around.
- [NTSB ANC12CA067](https://openairdocs.org/ntsb/ANC12CA067.md): Cessna 207A · Kotlik, AK · Accident · No injuries · Data collection · Final report · Jul 6, 2012 · N2162C · Substantial damage
  > 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 diverted attention to adjust the engine power.
- [NTSB ANC12CA048](https://openairdocs.org/ntsb/ANC12CA048.md): Cessna 207A · Platinum, AK · Accident · No injuries · Data collection · Final report · Jun 7, 2012 · N9874M · Substantial damage
  > The pilot inadvertently taxied the airplane into a ditch.
- [NTSB WPR12CA194](https://openairdocs.org/ntsb/WPR12CA194.md): Cessna 207A · Grangeville, ID · Accident · No injuries · Data collection · Final report · May 8, 2012 · N207YH · Substantial damage
  > 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.md): Cessna 207A · Nikiski, AK · Accident · No injuries · Data collection · Final report · Jan 23, 2012 · N800DF · Substantial damage
  > 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.md): Cessna 207A · Tuluksak, AK · Accident · Serious injuries · Limited investigation · Final report · Sep 4, 2010 · N9942M · Substantial damage
  > 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.md): Cessna TU206 · Bethel, AK · Accident · Minor injuries · Limited investigation · Final report · May 6, 2009 · N629SP · Substantial damage
  > 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 conditions conducive to structural icing/frost.
- [NTSB ANC09LA017](https://openairdocs.org/ntsb/ANC09LA017.md): Cessna 207A · Hoonah, AK · Accident · No injuries · Limited investigation · Final report · Dec 31, 2008 · N39AK · Substantial damage
  > 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 airplane.
- [NTSB ANC08LA106](https://openairdocs.org/ntsb/ANC08LA106.md): Cessna 207A · Bethel, AK · Accident · No injuries · Limited investigation · Final report · Aug 18, 2008 · N9935M · 2 aircraft · Substantial damage
  > 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.md): Cessna 207 · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Aug 17, 2007 · N73463 · Substantial damage
  > 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 of oil pressure.
- [NTSB ANC07FA013](https://openairdocs.org/ntsb/ANC07FA013.md): Cessna 207A · Kenai, AK · Accident · 1 fatal · Field investigation · Final report · Jan 9, 2007 · N9941M · Substantial damage
  > 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. Factors contributing to the survivability of the accident were…
- [NTSB ANC05CA089](https://openairdocs.org/ntsb/ANC05CA089.md): Cessna 207A · Excursion Inlet, AK · Accident · No injuries · Data collection · Final report · Jul 3, 2005 · N39AK · Substantial damage
  > 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.md): Cessna 207 · Chefornak, AK · Accident · No injuries · Data collection · Final report · Oct 11, 2004 · N5277J · Substantial damage
  > The in-flight collision with a bird while on final approach to land.
- [NTSB ANC03LA108](https://openairdocs.org/ntsb/ANC03LA108.md): Cessna 206 · Kaktovik, AK · Accident · No injuries · Limited investigation · Final report · Sep 5, 2003 · N206J · Substantial damage
  > 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 pilot's selection of an unsuitable takeoff area.
- [NTSB ANC01LA099](https://openairdocs.org/ntsb/ANC01LA099.md): Cessna 207 · Healy, AK · Accident · No injuries · Limited investigation · Final report · Aug 3, 2001 · N9794M · Substantial damage
  > 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.md): Cessna 207 · Kalskag, AK · Accident · No injuries · Limited investigation · Final report · Jul 25, 2001 · N9973M · Substantial damage
  > The pilot's failure to maintain adequate clearance from an object during the initial climb after takeoff.
- [NTSB LAX00FA347](https://openairdocs.org/ntsb/LAX00FA347.md): Cessna 207A · Valle, AZ · Accident · Minor injuries · Field investigation · Final report · Sep 23, 2000 · N9439M · Substantial damage
  > 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.md): Cessna 207 · Kongiganak, AK · Accident · No injuries · Limited investigation · Final report · Sep 6, 2000 · N9874M · Substantial damage
  > 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 pilot to the unsuitable airport.
- [NTSB ANC00LA116](https://openairdocs.org/ntsb/ANC00LA116.md): Cessna 207A · Aniak, AK · Accident · No injuries · Limited investigation · Final report · Aug 10, 2000 · N1824Q · Substantial damage
  > 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 company personnel, inadequate oversight of the flight by company…
- [NTSB ANC00LA074](https://openairdocs.org/ntsb/ANC00LA074.md): Cessna 206 · King Salmon, AK · Accident · Minor injuries · Limited investigation · Final report · Jun 22, 2000 · N495K · 2 aircraft · Substantial damage
  > 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.md): Cessna 207 · Delta Junction, AK · Accident · Minor injuries · Limited investigation · Final report · Mar 10, 2000 · N75703 · Substantial damage
  > 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.md): Cessna 207A · Dillingham, AK · Accident · Minor injuries · Limited investigation · Final report · Nov 16, 1999 · N9933M · Substantial damage
  > 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.md): Cessna 207 · Ninilchik, AK · Accident · Minor injuries · Limited investigation · Final report · Sep 4, 1999 · N800DF · Substantial damage
  > 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.md): Cessna 207A · Kotzebue, AK · Accident · 1 fatal · Field investigation · Final report · Apr 14, 1999 · N73188 · Destroyed
  > 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 mist, and flat lighting conditions.
- [NTSB ANC99LA009](https://openairdocs.org/ntsb/ANC99LA009.md): Cessna 207A · Aniak, AK · Accident · Minor injuries · Limited investigation · Final report · Oct 26, 1998 · N73533 · Substantial damage
  > 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.md): Cessna 207A · Noorvik, AK · Accident · Minor injuries · Limited investigation · Final report · Oct 26, 1998 · N9400M · Substantial damage
  > 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.md): Cessna 207A · Napaskiak, AK · Accident · Minor injuries · Limited investigation · Final report · Oct 8, 1998 · N6874M · Substantial damage
  > 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 following an engine surge and aborted takeoff, and unsuitable…
- [NTSB ANC98FA152](https://openairdocs.org/ntsb/ANC98FA152.md): Cessna 207 · Kotzebue, AK · Accident · 1 fatal · Field investigation · Final report · Sep 17, 1998 · N1809Q · Destroyed
  > 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.md): Cessna 207 · Bethel, AK · Accident · No injuries · Limited investigation · Final report · Jun 18, 1998 · N2162C · Substantial damage
  > An in-flight collision with a large bird.
- [NTSB ANC98FA069](https://openairdocs.org/ntsb/ANC98FA069.md): Cessna 207A · Juneau, AK · Accident · No injuries · Field investigation · Final report · Jun 9, 1998 · N96AK · Substantial damage
  > 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 associated with the accident was company maintenance…
- [NTSB ANC98LA059](https://openairdocs.org/ntsb/ANC98LA059.md): Cessna 207 · Bethel, AK · Accident · No injuries · Limited investigation · Final report · May 29, 1998 · N9956M · Substantial damage
  > 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 maintenance personnel not following the repetitive Service…
- [NTSB ANC97FA155](https://openairdocs.org/ntsb/ANC97FA155.md): Cessna 207A · Twin Hills, AK · Accident · 1 fatal · Field investigation · Final report · Sep 26, 1997 · N9984M · Destroyed
  > 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, mountainous/hilly terrain, and the use of over-the-counter medications.
- [NTSB ANC97LA022](https://openairdocs.org/ntsb/ANC97LA022.md): Cessna 207A · Tununak, AK · Accident · Serious injuries · Limited investigation · Final report · Jan 17, 1997 · N9603M · Substantial damage
  > 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 ceiling, fog, rising terrain, and the pilot's inadequate…
- [NTSB ANC95LA013](https://openairdocs.org/ntsb/ANC95LA013.md): Cessna 207 · Akiachak, AK · Accident · No injuries · Limited investigation · Final report · Nov 18, 1994 · N9829M · Substantial damage
  > 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.md): Cessna 207 · Egegik, AK · Accident · No injuries · Limited investigation · Final report · Jul 25, 1993 · N9993M · Substantial damage
  > The pilot-in-command's failure to see and avoid the truck.

Next page: https://openairdocs.org/engine/continental-io-520-f/ntsb.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.engine_model_code IN ('17237')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/engine/continental-io-520-f/ntsb

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