# NTSB investigations: Cessna 401A: 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 MKC85LA016](https://openairdocs.org/ntsb/MKC85LA016.md): Cessna 401A · Springfield, MO · Accident · No injuries · Limited investigation · Final report · Nov 6, 1984 · N6294Q · Substantial damage
  > After a gear collapse following a manual extension of landing gear due to an electrical failure the acft was afforded a temporary repair by clamping a wrench to the landing gear strut to 'stiff-leg' it. The gear collapsed again during taxi to the active…
- [NTSB NYC84FA089](https://openairdocs.org/ntsb/NYC84FA089.md): Cessna 401A · Linden, NJ · Accident · No injuries · Field investigation · Final report · Feb 18, 1984 · N6252Q · Substantial damage
  > The main landing gear collapsed after landing. A CFI awaiting takeoff said that the approach and touchdown were normal with the gear down. As the acft rolled the left main gear collapsed and the acft gradually left the rwy and became miredin mud. Inspection…
- [NTSB CHI83IA446](https://openairdocs.org/ntsb/CHI83IA446.md): Cessna 401A · Frankfort, IL · Incident · No injuries · Incident investigation · Final report · Sep 30, 1983 · N6208Q · Minor damage
  > The right main landing gear collapsed during landing roll-the right main landing gear bellcrank was found to have failed in instantaneous overload. The rigging of main gear was improper.
- [NTSB ATL83LA373](https://openairdocs.org/ntsb/ATL83LA373.md): Cessna 401A · Monroe, NC · Accident · No injuries · Limited investigation · Final report · Sep 19, 1983 · N401HW · Substantial damage
  > The left landing gear collapsed on the acft as it was being taxied into the ramp. After turning left into the hub area the landing gear horn sounded and the left gear collapsed, according to the plt. A flt instructor who witnessed the accident said the ACFT'3…
- [NTSB LAX83LA261](https://openairdocs.org/ntsb/LAX83LA261.md): Cessna 401A · North Las Vegas, NV · Accident · No injuries · Limited investigation · Final report · Jun 1, 1983 · N6293Q · Substantial damage
  > The acfts main landing gear collapsed during landing touchdown. After the right main gear collapsed the acft veered to the right and came to rest about 600 ft beyond the threshold and 90 ft northwest of the rwy edge. An FAA inspector said 'it appears that an…

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('207590D')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND 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?model=207590D&occurrence=191

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