# NTSB investigations, OK: Landing gear collapse

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 WPR26LA230](https://openairdocs.org/ntsb/WPR26LA230.md): Stephen Aberle Chipper CH-2A · Alva, OK · Accident · No injuries · Class 4 · Limited · Final report · Jun 21, 2026 · N618SA · Substantial damage
  > The pilot's decision to taxi the tailwheel-equipped airplane over uneven terrain while operating with limited forward visibility, which resulted in the left main landing gear entering a hole.
- [NTSB ANC26LA035](https://openairdocs.org/ntsb/ANC26LA035.md): Champion 7EC · Hollis, OK · Accident · No injuries · Class 4 · Limited · Investigation open · Apr 30, 2026 · N7436B · Substantial damage
- [NTSB CEN26LA170](https://openairdocs.org/ntsb/CEN26LA170.md): Piper PA 31P 350 · Ardmore, OK · Accident · Minor injuries · Class 4 · Limited · Final report · Apr 17, 2026 · N9262Y · Substantial damage
  > The pilot’s failure to maintain control of the airplane while landing on a wet runway with a tailwind.
- [NTSB CEN26LA116](https://openairdocs.org/ntsb/CEN26LA116.md): Beech C90 · Guymon, OK · Accident · No injuries · Class 4 · Limited · Final report · Feb 14, 2026 · N247MD · Substantial damage
  > The collision with a white-tailed deer during the takeoff in night visual conditions.
- [NTSB CEN26LA041](https://openairdocs.org/ntsb/CEN26LA041.md): Douglas B-26B · Ponca City, OK · Accident · No injuries · Class 4 · Limited · Final report · Nov 1, 2025 · N9682C · Substantial damage
  > Failure of the nose landing gear link which resulted in a loss of directional.
- [NTSB CEN26LA021](https://openairdocs.org/ntsb/CEN26LA021.md): Beech C23 · Tulsa, OK · Accident · No injuries · Class 4 · Limited · Final report · Oct 15, 2025 · N2130W · Substantial damage
  > The pilot’s improper landing flare which resulted in a hard bounced landing.
- [NTSB CEN24LA122](https://openairdocs.org/ntsb/CEN24LA122.md): Piper PA32 · Tulsa, OK · Accident · No injuries · Class 4 · Limited · Final report · Feb 23, 2024 · N3645W · Substantial damage
  > The pilot's inadvertent retraction of the flaps while landing which resulted in a hard landing and loss of directional control.
- [NTSB CEN22LA443](https://openairdocs.org/ntsb/CEN22LA443.md): Piper PA28 · Owasso, OK · Accident · No injuries · Class 4 · Limited · Final report · Aug 17, 2022 · N3572Z · Substantial damage
  > The student pilot’s failure to maintain a proper descent rate during the short field landing.
- [NTSB CEN19TA327](https://openairdocs.org/ntsb/CEN19TA327.md): Piper PA60 · Tulsa, OK · Accident · No injuries · Class 3 · Final report · Sep 2, 2019 · N1R · Substantial damage
  > The pilot's improper landing flare, which resulted in an aerodynamic stall and hard landing.
- [NTSB CEN18LA156](https://openairdocs.org/ntsb/CEN18LA156.md): Laminar Lancair 360 · Woodward, OK · Accident · No injuries · Limited investigation · Final report · May 2, 2018 · N92WL · Substantial damage
  > The pilot-rated passenger’s inadvertent contact with and closure of the emergency fuel shutoff valve, which resulted in the total loss of engine power due to fuel starvation. Contributing to the accident was the pilot's lack of experience in the accident…
- [NTSB CEN18LA070](https://openairdocs.org/ntsb/CEN18LA070.md): Cessna 170 · Ponca City, OK · Accident · No injuries · Limited investigation · Final report · Jan 6, 2018 · N9972A · Substantial damage
  > The pilot's loss of directional control during takeoff with a quartering tailwind, which resulted in a runway excursion.
- [NTSB CEN17LA235](https://openairdocs.org/ntsb/CEN17LA235.md): Cessna 182A · Buffalo, OK · Accident · No injuries · Limited investigation · Final report · Jun 17, 2017 · N6196B · Substantial damage
  > The separation of the nose wheel axle bolt and the nose wheel during the landing roll for reasons that could not be determined because the bolt was not recovered.
- [NTSB GAA17CA349](https://openairdocs.org/ntsb/GAA17CA349.md): Piper PA44 · Tulsa, OK · Accident · No injuries · Data collection · Final report · Apr 19, 2017 · N4148T · Substantial damage
  > The pilot receiving instruction’s failure to maintain directional control during landing in gusting wind conditions.
- [NTSB GAA16CA390](https://openairdocs.org/ntsb/GAA16CA390.md): Piper PA46 · Claremore, OK · Accident · No injuries · Data collection · Final report · Jul 22, 2016 · N9111P · Substantial damage
  > The pilot's failure to maintain directional control during takeoff after multiple climb attempts at insufficient airspeed, which resulted in a runway excursion, a landing gear collapse, and a collision with a ditch.
- [NTSB CEN15LA205](https://openairdocs.org/ntsb/CEN15LA205.md): Pitts Model 12 · Burneyville, OK · Accident · Minor injuries · Limited investigation · Final report · Apr 18, 2015 · N12DR · Substantial damage
  > The partial loss of engine power due to contamination of the fuel system.
- [NTSB CEN13LA370](https://openairdocs.org/ntsb/CEN13LA370.md): Mooney M20J · El Reno, OK · Accident · No injuries · Limited investigation · Final report · Jun 25, 2013 · N205MC · Substantial damage
  > A loss of engine power, which resulted from the failure of the magneto assembly for reasons that could not be determined during postaccident examinations.
- [NTSB CEN13LA332](https://openairdocs.org/ntsb/CEN13LA332.md): Piper PA-46-310P · Oklahoma City, OK · Accident · No injuries · Limited investigation · Final report · Jun 10, 2013 · N13PC · Substantial damage
  > The pilot's failure to maintain directional control of the airplane.
- [NTSB CEN13LA132](https://openairdocs.org/ntsb/CEN13LA132.md): Bellanca 17-30A · Antlers, OK · Accident · No injuries · Limited investigation · Final report · Jan 7, 2013 · N222EG · Substantial damage
  > The pilot's improper fuel management, which resulted in a total loss of engine power due to fuel starvation.
- [NTSB CEN11LA275](https://openairdocs.org/ntsb/CEN11LA275.md): Piper PA-32-300 · Oklahoma City, OK · Accident · No injuries · Limited investigation · Final report · Apr 7, 2011 · N31407 · Substantial damage
  > The loss of aircraft control due to the failure of the stabilator control cable turnbuckle.
- [NTSB CEN10CA517](https://openairdocs.org/ntsb/CEN10CA517.md): Beech D35 · Guymon, OK · Accident · Minor injuries · Data collection · Final report · Sep 1, 2010 · N3446B · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB CEN10CA311](https://openairdocs.org/ntsb/CEN10CA311.md): Piper PA-44-180 · Okmulgee, OK · Accident · No injuries · Data collection · Final report · Jun 1, 2010 · N9290P · Substantial damage
  > The student pilot’s inadvertent retraction of the nose landing gear and the flight instructor's delayed response.
- [NTSB CEN09CA569](https://openairdocs.org/ntsb/CEN09CA569.md): Cessna T210 · Tulsa, OK · Accident · No injuries · Data collection · Final report · Sep 7, 2009 · N6442Y · Substantial damage
  > A temporary loss of elevator pitch control for undetermined reasons.

## 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" = 'OK' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '094' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/094/sequence?state=OK

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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.
