# NTSB investigations: AiResearch TPE331 series, 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 WPR26FA309](https://openairdocs.org/ntsb/WPR26FA309.md): Cessna 441 · Cape Newenham, AK · Accident · 8 fatal · Class 3 · Field · Preliminary report · Aug 20, 2026 · N128EZ · Destroyed
  > On August 20, 2026, at about 1145 Alaska daylight time, a Cessna 441, N128EZ, was destroyed when it was involved in an accident near Cape Newenham, Alaska. The two pilots and six passengers were fatally injured. The airplane was operated as a Title 14 Code of…
- [NTSB ANC22LA042](https://openairdocs.org/ntsb/ANC22LA042.md): Short Bros. & Harland SC7 · Chisana, AK · Accident · No injuries · Class 4 · Limited · Final report · Jun 8, 2022 · N731E · Substantial damage
  > The pilot’s selection of an unsuitable landing site, which resulted in the nosewheel collapsing.
- [NTSB ANC17FA004](https://openairdocs.org/ntsb/ANC17FA004.md): Fairchild Heli-Porter Pilatus PC-6 · Port Alsworth, AK · Accident · 1 fatal · Field investigation · Final report · Oct 29, 2016 · N5308F · Substantial damage
  > The airplane's collision with mountainous terrain while operating in an area of reduced visibility and icing conditions. Contributing to the accident was the pilot's inadequate preflight planning, which would have identified deteriorating weather conditions…
- [NTSB ANC12CA036](https://openairdocs.org/ntsb/ANC12CA036.md): Short Bros. & Harland SC7 Series 3 · Chefornak, AK · Accident · No injuries · Data collection · Final report · May 3, 2012 · N1906 · Substantial damage
  > The pilot's misidentification of a nearby snow-covered road as the snow-covered runway in flat light conditions.
- [NTSB ANC09LA104](https://openairdocs.org/ntsb/ANC09LA104.md): CASA 212-200 · Savoonga, AK · Accident · No injuries · Limited investigation · Final report · Sep 18, 2009 · N349TA · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll in a gusting crosswind.
- [NTSB ANC09LA009](https://openairdocs.org/ntsb/ANC09LA009.md): Construcciones Aeronauticas CASA-212 · Toksook Bay, AK · Accident · Minor injuries · Limited investigation · Final report · Nov 2, 2008 · N437RA · Substantial damage
  > The flight crew’s inability to adjust/increase power to the right engine during the landing approach due to an in-flight disconnect of the engine power control linkage, resulting in a loss of control of the airplane. Contributing to the accident was the…
- [NTSB ANC08CA057](https://openairdocs.org/ntsb/ANC08CA057.md): Fairchild Swearingen SA 227-AC · Anchorage, AK · Accident · No injuries · Data collection · Final report · Apr 4, 2008 · N650PA · Substantial damage
  > The flightcrew's misjudged flare while landing.
- [NTSB ANC08IA033](https://openairdocs.org/ntsb/ANC08IA033.md): Fairchild SA227-AC · Dutch Harbor, AK · Incident · No injuries · Incident investigation · Final report · Jan 18, 2008 · N41NE · No damage
  > The disengagement of the rudder control cable and loose rudder cable retaining pins. A factor contributing to the accident was a wind gust.
- [NTSB ANC07FA103](https://openairdocs.org/ntsb/ANC07FA103.md): Short Bros. SC-7 · McGrath, AK · Accident · 1 fatal · Field investigation · Final report · Sep 20, 2007 · N2088Z · Substantial damage
  > A collision with trees during takeoff-initial climb for an undetermined reason.
- [NTSB ANC07LA095](https://openairdocs.org/ntsb/ANC07LA095.md): Short Bros. SC-7 · McGrath, AK · Accident · No injuries · Limited investigation · Final report · Sep 1, 2007 · N2088Z · Substantial damage
  > The pilot's selection of unsuitable terrain for landing and subsequent nose gear collapse during the landing roll. Contributing to the accident was the soft terrain.
- [NTSB ANC07LA032](https://openairdocs.org/ntsb/ANC07LA032.md): Beech D18S · Levelock, AK · Accident · No injuries · Limited investigation · Final report · Apr 26, 2007 · N502CK · Substantial damage
  > The pilot's misjudged flare, which precipitated a hard landing, and damage to the main landing gear, resulting in a main landing gear collapse during the landing roll. A factor contributing to the accident was the overload failure of the main landing gear…
- [NTSB ANC06FAMS1](https://openairdocs.org/ntsb/ANC06FAMS1.md): Aero Commander 690A · Anchorage, AK · Accident · 3 fatal · Missing aircraft · Final report · Jul 29, 2006 · N57096 · Destroyed
  > Undetermined; the airplane and its occupants are missing.
- [NTSB ANC05LA130](https://openairdocs.org/ntsb/ANC05LA130.md): Cessna 441 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Aug 29, 2005 · N77SA · Substantial damage
  > The pilot's failure to lower the airplane's landing gear during landing, which resulted in an inadvertent wheels up landing.
- [NTSB ANC04FA063](https://openairdocs.org/ntsb/ANC04FA063.md): Beech C-45H · Kodiak, AK · Accident · 1 fatal · Field investigation · Final report · Jun 14, 2004 · N401CK · Destroyed
  > The pilot's failure to follow proper IFR procedures by not adhering to the published missed approach procedures, which resulted in an in-flight collision with tree-covered terrain. Factors contributing to the accident were a low ceiling, fog, rain, and the…
- [NTSB ANC03LA062](https://openairdocs.org/ntsb/ANC03LA062.md): Swearingen SA-226T · Goodnews, AK · Accident · Minor injuries · Limited investigation · Final report · Jun 28, 2003 · N512FS · Substantial damage
  > The flight crew's inadequate evaluation of the weather conditions, which resulted in their inadequate compensation for the wind conditions, and subsequent undershoot. A contributing factor in the accident was a downdraft.
- [NTSB ANC00LA042](https://openairdocs.org/ntsb/ANC00LA042.md): Short Brothers SC7 · Delta Junction, AK · Accident · No injuries · Limited investigation · Final report · Apr 5, 2000 · N549WB · Substantial damage
  > The pilot's inadequate compensation for wind conditions during landing. Factors associated with the accident were an unfavorable wind, a crosswind, and an inadvertent swerve.
- [NTSB ANC92IA100](https://openairdocs.org/ntsb/ANC92IA100.md): Fairchild SA227-AC · Dillingham, AK · Incident · No injuries · Incident investigation · Final report · Jun 26, 1992 · N620PA · 2 aircraft · No damage
  > The pilot in command's failure to maintain a visual lookout. Factors were the drizzle and fog and the impossibility of updating the recorded weather information by ATC personnel.
- [NTSB ANC83IA010](https://openairdocs.org/ntsb/ANC83IA010.md): Short Bros. SC7 Series 3 · Barrow, AK · Incident · Minor injuries · Incident investigation · Final report · Nov 1, 1982 · N50DA · Minor damage
  > The aircraft was on a round trip flight from Barrow, AK to point hope, AK and return. After landing at point hope, there was a 20 min delay while waiting for the ground crew. The pilot stated that he ran the engines for some 10 min or so due to the high winds…
- [NTSB ANC67A0021](https://openairdocs.org/ntsb/ANC67A0021.md): Sikorsky S-55 · Galena, AK · Accident · No injuries · Closed · Aug 20, 1966 · N747A · 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 ('01514', '01517'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=01514&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.
