# NTSB investigations, MT: Main 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 SEA06CA087](https://openairdocs.org/ntsb/SEA06CA087.md): Cessna 310R · Billings, MT · Accident · No injuries · Data collection · Final report · Apr 19, 2006 · N954EA · Substantial damage
  > Collapse of the right main landing gear during the landing roll for an undetermined reason.
- [NTSB SEA98LA051](https://openairdocs.org/ntsb/SEA98LA051.md): Piper PA-22 · Kalispell, MT · Accident · No injuries · Limited investigation · Final report · Mar 24, 1998 · N1770A · Substantial damage
  > The pilot's failure to maintain adequate crosswind correction during landing. A factor was a crosswind.
- [NTSB SEA92LA185](https://openairdocs.org/ntsb/SEA92LA185.md): Schaknowski Dyke Delta JD-2 · Billings, MT · Accident · No injuries · Limited investigation · Final report · Aug 21, 1992 · N78BS · Substantial damage
  > Fatigue of the left main landing gear axle.
- [NTSB DEN89LA172](https://openairdocs.org/ntsb/DEN89LA172.md): Cessna T188C · Fort Benton, MT · Accident · No injuries · Limited investigation · Final report · Jul 7, 1989 · N2802J · Substantial damage
  > Overload failure of the left main landing gear attaching bolts for an unknown reason.
- [NTSB DEN88LA188](https://openairdocs.org/ntsb/DEN88LA188.md): Cessna T210F · Ennis, MT · Accident · No injuries · Limited investigation · Final report · Aug 19, 1988 · N6132R · Substantial damage
  > While on a landing rollout, the left main gear strut failed & separated from the acft. The plt said he held the acft straight for about 600 ft, then it veered to the left & went off the rwy. Subsequently, the left wing & left horizontal stabilizer were…
- [NTSB DEN84LA182](https://openairdocs.org/ntsb/DEN84LA182.md): Cessna 180C · Lustre, MT · Accident · No injuries · Limited investigation · Final report · Jun 16, 1984 · N9311T · Substantial damage
  > Due to strong crosswind conditions at the prepared landing strip, the pilot elected to land in an open field. On touchdown, the right main landing gear encountered a hole, breaking the mounting structure and collapsing the gear. A ground loop ensued. The…
- [NTSB DEN83LA205](https://openairdocs.org/ntsb/DEN83LA205.md): Piper PA-22 · Alzada, MT · Accident · No injuries · Limited investigation · Final report · Aug 23, 1983 · N9038D · Substantial damage
  > The acft nosed over during landing after the landing gear collapsed. The plt said the landing was a little hard and thathe hit a bump which broke the left shock cord. The plt stated that he does not believe that the landing was hard enough to fail the gear…
- [NTSB DEN82DA063](https://openairdocs.org/ntsb/DEN82DA063.md): Piper PA-23 · Gardiner, MT · Accident · No injuries · Final report · Apr 17, 1982 · N3371P · Substantial damage
  > During arrival, the pilot observed that an aircraft was stuck in the mud on runway 28. After a short radio discussion with the pilot of the immobilized aircraft, a decision was made to land on the opposite runway. The pilot reported that just prior to…
- [NTSB DEN82DA023](https://openairdocs.org/ntsb/DEN82DA023.md): Bellanca 7GCBC · Havre, MT · Accident · No injuries · Final report · Jan 26, 1982 · N88202 · Substantial damage
  > While taking off to help gather cattle, the right axle failed as the left wing was picked up by gusty winds. The plane spun around 180 degrees and flipped over. The pilot reported that the axles were not heavy enough for consistent rough field use.

## 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" = 'MT' 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" = 191)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=191&state=MT

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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.