# NTSB investigations: Cessna 401: 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 CHI86LA085](https://openairdocs.org/ntsb/CHI86LA085.md): Cessna 401B · Milwaukee, WI · Accident · No injuries · Limited investigation · Final report · Feb 9, 1986 · N777CS · Substantial damage
  > While taxiing to park, the left main landing gear collapsed. Investigation revealed that the left hand gear support had torn from the wing rib to which it was bolted. On the FAA malfunction or defect report submitted by the operator, company officials stated…
- [NTSB MKC84LA238](https://openairdocs.org/ntsb/MKC84LA238.md): Cessna 401 · Hutchinson, KS · Accident · No injuries · Limited investigation · Final report · Aug 3, 1984 · N101SB · Substantial damage
  > While taxiing for takeoff the plt turned from the taxiway onto the rwy & the left main gear collapsed. Post crash examination of the left gear revealed that the ldg gear wing rib support bracket failed allowing the gear to collapse. A Cessna service letter…
- [NTSB MKC84LA117](https://openairdocs.org/ntsb/MKC84LA117.md): Cessna 401 · Wichita, KS · Accident · No injuries · Limited investigation · Final report · Apr 5, 1984 · N101SB · Substantial damage
  > The plt reported that 3-4 secs after he made a smooth landing, the right main landing gear collapsed. The acft then went off the side of the rwy & struck a sign. Post-accident inspection indicated that the right gear had been down & locked before the gear had…
- [NTSB CHI84LA130](https://openairdocs.org/ntsb/CHI84LA130.md): Cessna 401 · Chicago, IL · Accident · No injuries · Limited investigation · Final report · Mar 15, 1984 · N777CS · Substantial damage
  > The acfts left main gear collapsed during the landing roll. Investigation revealed that the bolt on the top portion of the LH bellcrank assembly was sheared off. One of the tangs at the bottom of the bellcrank was also broken. When examined under a 10 power…
- [NTSB LAX83FA082](https://openairdocs.org/ntsb/LAX83FA082.md): Cessna 401 · Lompoc, CA · Accident · No injuries · Field investigation · Final report · Jan 26, 1983 · N11JR · Substantial damage
  > The acft went off the left side of the runway during landing after the left main landing gear collapsed. This was an airtaxi flight and one of the passengers confirmed that all 3 landing gear green lights were illuminated. Examination of the left main gear…

## 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 ('207590C')
    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=207590C&occurrence=191

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