# NTSB investigations: Continental IO-520-D, AK

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB ANC21LA045](https://openairdocs.org/ntsb/ANC21LA045.md): Cessna A185F · Chandalar Lake, AK · Accident · No injuries · Class 4 · Limited · Final report · Jun 6, 2021 · N85DT · Substantial damage
  > The pilot’s over application of the brakes, which resulted in a nose over.
- [NTSB ANC21LA019](https://openairdocs.org/ntsb/ANC21LA019.md): Cessna U206G · McGrath, AK · Accident · No injuries · Class 4 · Limited · Final report · Mar 1, 2021 · N1748R · Substantial damage
  > The pilot’s selection of an unsuitable landing surface.
- [NTSB ANC21LA002](https://openairdocs.org/ntsb/ANC21LA002.md): Cessna 185 · Anchorage, AK · Accident · No injuries · Class 4 · Limited · Final report · Oct 20, 2020 · N850WB · Substantial damage
  > The pilot receiving instruction’s failure to maintain directional control during the landing roll, which resulted in a runway excursion onto soft terrain. Contributing to the accident was the flight instructor's inadequate supervision of the pilot while…
- [NTSB ANC18LA066](https://openairdocs.org/ntsb/ANC18LA066.md): Cessna A185F · Kaktovik, AK · Accident · No injuries · Class 3 · Limited · Final report · Aug 22, 2018 · N8041R · Substantial damage
  > A loss of engine power due to fuel starvation during a steep turn with a low fuel state.
- [NTSB ANC18LA059](https://openairdocs.org/ntsb/ANC18LA059.md): Cessna A185F · White Mountain, AK · Accident · No injuries · Class 3 · Limited · Final report · Aug 1, 2018 · N185KB · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB ANC13CA028](https://openairdocs.org/ntsb/ANC13CA028.md): Cessna 185B · Flat, AK · Accident · No injuries · Data collection · Final report · Mar 5, 2013 · N2550Z · Substantial damage
  > The pilot's inadequate compensation for gusting, variable wind conditions during initial climb after takeoff.
- [NTSB ANC05TA106](https://openairdocs.org/ntsb/ANC05TA106.md): Cessna 185 · Delta Junction, AK · Accident · No injuries · Final report · Jul 6, 2005 · N8360Q · Substantial damage
  > The pilot's misjudged distance/altitude during the landing touchdown and subsequent undershoot, and his failure to maintain directional control of the airplane during the landing roll, which resulted in an on-ground encounter with high vegetation.
- [NTSB ANC03LA031](https://openairdocs.org/ntsb/ANC03LA031.md): Cessna 185 · Galena, AK · Accident · No injuries · Limited investigation · Final report · Mar 9, 2003 · N1613M · Substantial damage
  > The failure of the airplane to climb after takeoff which resulted in an in-flight collision with terrain during an aborted landing attempt.
- [NTSB ANC02LA050](https://openairdocs.org/ntsb/ANC02LA050.md): Cessna 185F · Talkeetna, AK · Accident · No injuries · Limited investigation · Final report · Jun 15, 2002 · N333DG · Substantial damage
  > A fracture failure of the lower end of the spring steel landing gear strut. Factors contributing to the accident were the manufacturer's and the FAA's insufficient standards/requirements for inspection procedures.
- [NTSB ANC02TA045](https://openairdocs.org/ntsb/ANC02TA045.md): Cessna 185 · Kaktovik, AK · Accident · No injuries · Final report · Jun 8, 2002 · N749 · Substantial damage
  > The pilot's inadequate evaluation of the weather conditions during landing at a remote lake, resulting in a downwind landing. Factors contributing to the accident were the presence of a tailwind, and an icy lake surface.
- [NTSB ANC98LA134](https://openairdocs.org/ntsb/ANC98LA134.md): Cessna 185E · Talkeetna, AK · Accident · No injuries · Limited investigation · Final report · Sep 1, 1998 · N333DG · Substantial damage
  > The pilot's failure to maintain directional control resulting in a inadvertent ground loop. A contributing factor was the induced pressure on the pilot by a sick passenger.
- [NTSB ANC93LA079](https://openairdocs.org/ntsb/ANC93LA079.md): Cessna A185F · Kahiltna Glacie, AK · Accident · No injuries · Limited investigation · Final report · May 31, 1993 · N333DG · Substantial damage
  > The pilot-in-command not maintaining directional control. A factor is the rough condition of the glacier airstrip.
- [NTSB ANC90LA145](https://openairdocs.org/ntsb/ANC90LA145.md): Cessna 185B · Mcgrath, AK · Accident · No injuries · Limited investigation · Final report · Aug 15, 1990 · N2550Z · Substantial damage
  > Failure of the left inside wheel bearing, for undetermined reasons.
- [NTSB ANC90LA006](https://openairdocs.org/ntsb/ANC90LA006.md): Cessna 185 · Tuluksak, AK · Accident · No injuries · Limited investigation · Final report · Oct 15, 1989 · N70022 · Substantial damage
  > Mounting shaft (airbox through-shaft) for the throttle and mixture controls had become loose and backed out, which resulted in loss of engine power. Factors related to the accident were: darkness and rough terrain.
- [NTSB ANC86LA128](https://openairdocs.org/ntsb/ANC86LA128.md): Cessna 185-F · Caribou Lake, AK · Accident · No injuries · Limited investigation · Final report · Aug 18, 1986 · N3367R · Substantial damage
  > The aircraft settled back on the water and the pilot lost control of the aircraft causing it to nose over on its back.
- [NTSB ANC86LA117](https://openairdocs.org/ntsb/ANC86LA117.md): Cessna 185E · Tetlin, AK · Accident · No injuries · Limited investigation · Final report · Jul 30, 1986 · N1613M · Substantial damage
  > Acft left rwy and crashed during attempted go-around with 10 to 25 knot crosswind. Pilot stated that engine did not develop full power. Examination and test run of engine did not reveal any mechanical failures/malfunctions.
- [NTSB ANC84LA001](https://openairdocs.org/ntsb/ANC84LA001.md): Cessna 185 · Togiak, AK · Accident · Minor injuries · Limited investigation · Final report · Jan 6, 1983 · N4924E · Substantial damage
  > According to the plt, he was assisted by a wing walker while taxiing to the takeoff position. The wind had been increasing steadily during his stop & it changed direction as he arrived at the takeoff position. As he turned the acft into position on rwy 27,…
- [NTSB ANC76AA140](https://openairdocs.org/ntsb/ANC76AA140.md): Cessna A185F · Seldovia, AK · Accident · No injuries · Closed · Sep 24, 1976 · N3367R · Substantial damage
- [NTSB ANC76DAG91](https://openairdocs.org/ntsb/ANC76DAG91.md): Cessna 185 · Nondalton, AK · Accident · No injuries · Closed · Jan 26, 1976 · N2550Z · Substantial damage
- [NTSB ANC75AA027](https://openairdocs.org/ntsb/ANC75AA027.md): Cessna 185 · Fairbanks, AK · Accident · 2 fatal · Closed · Sep 22, 1974 · N70026 · Destroyed
- [NTSB ANC73DAG01](https://openairdocs.org/ntsb/ANC73DAG01.md): Cessna 185B · Iliamna, AK · Accident · No injuries · Closed · Jul 2, 1972 · N2550Z · Substantial damage
- [NTSB ANC72AA027](https://openairdocs.org/ntsb/ANC72AA027.md): Cessna 185 · Skwentna, AK · Accident · No injuries · Closed · Nov 26, 1971 · N70022 · Substantial damage

## 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_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."eventStateOrRegion" = 'AK' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17236'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17236&state=AK

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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.