# NTSB investigations, AK: Gear collapsed 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 ANC07LA066](https://openairdocs.org/ntsb/ANC07LA066.md): Beech 58 · Northway, AK · Accident · No injuries · Limited investigation · Final report · Jul 12, 2007 · N820GW · Substantial damage > The collapse of the landing gear during the landing roll for an undetermined reason. - [NTSB ANC03LA012](https://openairdocs.org/ntsb/ANC03LA012.md): Curtiss-Wright CW-46 · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Oct 29, 2002 · N54514 · Substantial damage > The failure of the right main landing gear locking device to engage, which allowed the right main landing gear to collapse during taxi from landing. - [NTSB ANC02LA024](https://openairdocs.org/ntsb/ANC02LA024.md): Taylorcraft F-19 · Dillingham, AK · Accident · No injuries · Limited investigation · Final report · Mar 20, 2002 · N3947T · Substantial damage > The collapse of the airplane's right main landing gear, for an undetermined reason, during the landing roll. - [NTSB ANC01LA145](https://openairdocs.org/ntsb/ANC01LA145.md): Piper PA-32R-300 · Tanana, AK · Accident · No injuries · Limited investigation · Final report · Sep 22, 2001 · N4352F · Substantial damage > An unlocked landing gear mechanism during landing roll. A factor associated with the accident was an electrical system failure. - [NTSB ANC00LA002](https://openairdocs.org/ntsb/ANC00LA002.md): Cessna A185E · Yakutat, AK · Accident · No injuries · Limited investigation · Final report · Oct 7, 1999 · N85CG · Substantial damage > The pilot's selection of an unsuitable landing area. A factor associated with the accident was soft terrain. - [NTSB ANC99LA042](https://openairdocs.org/ntsb/ANC99LA042.md): Cessna 180 · Iliamna, AK · Accident · No injuries · Limited investigation · Final report · Apr 4, 1999 · N420SB · Substantial damage > The improper installation of the main landing gear attaching bolt by maintenance personnel, which resulted in total failure of the bolt and collapse of the landing gear. - [NTSB ANC98IA096](https://openairdocs.org/ntsb/ANC98IA096.md): Cessna 185 · Homer, AK · Incident · No injuries · Incident investigation · Final report · Jul 5, 1998 · N3347L · Minor damage > The failure of the right main landing gear leg due to corrosion pitting and fatigue. - [NTSB ANC96LA062](https://openairdocs.org/ntsb/ANC96LA062.md): Cessna 170B · Togiak, AK · Accident · Minor injuries · Limited investigation · Final report · Apr 30, 1996 · N2760D · Substantial damage > fatigue failure of the right main landing gear strut. - [NTSB ANC94LA128](https://openairdocs.org/ntsb/ANC94LA128.md): Maule M5 · Port Alsworth, AK · Accident · No injuries · Limited investigation · Final report · Sep 3, 1994 · N51637 · Substantial damage > The pilot's selection of unsuitable terrain. - [NTSB ANC94LA125](https://openairdocs.org/ntsb/ANC94LA125.md): Cessna 170B · Fort Yukon, AK · Accident · No injuries · Limited investigation · Final report · Aug 31, 1994 · N4457B · Substantial damage > The fatigue failure of the right main landing gear spring. - [NTSB ANC94LA114](https://openairdocs.org/ntsb/ANC94LA114.md): Piper PA-22-150 · Deadhorse, AK · Accident · No injuries · Limited investigation · Final report · Aug 8, 1994 · N4450A · Substantial damage > The separation of the landing gear tube at the spindle due to corrosion. An inadequate annual inspection was a factor in the accident. - [NTSB ANC94LA044](https://openairdocs.org/ntsb/ANC94LA044.md): Piper J3 · Denali Nat'L Pk, AK · Accident · No injuries · Limited investigation · Final report · Apr 10, 1994 · N37932 · Substantial damage > The failure of the landing gear bolt attachment fitting due to fatigue. - [NTSB ANC91LA118](https://openairdocs.org/ntsb/ANC91LA118.md): Piper PA-31-350 · Emmonak, AK · Accident · No injuries · Limited investigation · Final report · Aug 8, 1991 · N27472 · Substantial damage > That the pilot inadvertently retracted the landing gear during the takeoff roll. Contributing to this accident was that the checklist was not followed. - [NTSB ANC90LA128](https://openairdocs.org/ntsb/ANC90LA128.md): Cessna 337 · Kustatan River, AK · Accident · No injuries · Limited investigation · Final report · Jul 31, 1990 · N2271X · Substantial damage > Pilot-in-command's failure to assure that the rear engine developed full takeoff power and to attain takeoff airspeed. Contributing factors were the terrain conditions. - [NTSB ANC87LA053](https://openairdocs.org/ntsb/ANC87LA053.md): Cessna 185F · Skwentna, AK · Accident · No injuries · Limited investigation · Final report · Mar 15, 1987 · N9618H · Substantial damage > While taxiing on skis at excess speed, the pilot lost control of the airplane in a crosswind. The landing gear box failed causing substantial damage to the airframe and propeller. - [NTSB ANC85LA156](https://openairdocs.org/ntsb/ANC85LA156.md): Cessna 210 · Northway, AK · Accident · No injuries · Limited investigation · Final report · Aug 19, 1985 · CFTFS · Substantial damage > The right main gear collapsed during landing. Post accident examination of the landing gear disclosed the rear door actuator rod failed and the gear door was bent. The right hand main gear downlock failed in an area which appeared to have been previously… - [NTSB ANC83IA058](https://openairdocs.org/ntsb/ANC83IA058.md): Piper PA34-200T · Palmer, AK · Incident · No injuries · Incident investigation · Final report · Mar 19, 1983 · N47895 · Minor damage > During touch go landing the student pilot placed the landinggear handle in the up polition while still on the ground, and immediately placed it in the down position. The gear collapsed. The instructor stated that the student appeared to be fatigued. ## 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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 190) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?occurrence=190&state=AK --- 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.