# NTSB investigations, WA: 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 SEA02LA084](https://openairdocs.org/ntsb/SEA02LA084.md): Paxhia Murphy SR3500 · Seattle, WA · Accident · No injuries · Limited investigation · Final report · May 22, 2002 · N526AP · Substantial damage
  > The failure of the left main gear leg AN-5 attach fitting bolt.
- [NTSB SEA93LA159](https://openairdocs.org/ntsb/SEA93LA159.md): Bucker Flugzeugbau BU-131 · Arlington, WA · Accident · No injuries · Limited investigation · Final report · Jul 23, 1993 · N1XW · Substantial damage
  > The pilot's improper use of the brakes. The gusty, crosswind was a factor.
- [NTSB SEA93LA148](https://openairdocs.org/ntsb/SEA93LA148.md): Cessna 414A · Seattle, WA · Accident · No injuries · Limited investigation · Final report · Jul 3, 1993 · N4735A · Substantial damage
  > The disengagement of the gear down-lock mechanism due to corrosion and the pilot's intentional operation of the aircraft with known deficiencies in equipment.
- [NTSB SEA93LA022](https://openairdocs.org/ntsb/SEA93LA022.md): Cessna 210N · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Nov 11, 1992 · N6562Y · Substantial damage
  > The pilot's premature retraction of the gear. Factors include a wet and icy runway.
- [NTSB SEA89FA155](https://openairdocs.org/ntsb/SEA89FA155.md): Cessna 402B · Seattle, WA · Accident · No injuries · Field investigation · Final report · Aug 31, 1989 · CGRKR · Substantial damage
  > The landing gear down lock mechanism failure.
- [NTSB SEA89LA089](https://openairdocs.org/ntsb/SEA89LA089.md): Champion 7GCB · Copalis Beach, WA · Accident · No injuries · Limited investigation · Final report · May 15, 1989 · N8978R · Substantial damage
  > The pilot's failure to perform the necessary preflight planning and preparation which resulted in the selection of unsuitable terrain for landing. Contributing to the accident was the soft sand bar.
- [NTSB SEA87LA103](https://openairdocs.org/ntsb/SEA87LA103.md): Ayres S2R · Walla Walla, WA · Accident · No injuries · Limited investigation · Final report · May 29, 1987 · N3693X · Substantial damage
  > During takeoff run the right main gear collapsed. The right wing dropped and the aircraft spun to the right. The plt discovered that the right main gear failed at the weld. The pilot, who is also an a & p mechanic, stated that this was an original weld from…
- [NTSB SEA83LA190](https://openairdocs.org/ntsb/SEA83LA190.md): Piper PA-20 · Burlington, WA · Accident · No injuries · Limited investigation · Final report · Aug 27, 1983 · N7650K · Substantial damage
  > The acft groundlooped after the main landing gear collapsed during landing. Investigation revealed that the main landinggear tubing failed after being weakened by corrosion inside the tube.

## 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" = 'WA' 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=WA

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