# NTSB investigations, MI: 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 CHI03LA177](https://openairdocs.org/ntsb/CHI03LA177.md): Waco ARE · Battle Creek, MI · Accident · No injuries · Limited investigation · Final report · Jun 22, 2003 · N20953 · Substantial damage
  > The inadequate material used in the landing gear cross supports leading to its collapse during the landing roll.
- [NTSB CHI02LA144](https://openairdocs.org/ntsb/CHI02LA144.md): Mitsubishi MU2B-20 · Belleville, MI · Accident · No injuries · Limited investigation · Final report · May 28, 2002 · N54CK · Substantial damage
  > The pilot's failure to verify the extension of the landing gear prior to landing, and his failure to perform the emergency landing gear extension procedure. The popped circuit breaker was a factor.
- [NTSB CHI02LA127](https://openairdocs.org/ntsb/CHI02LA127.md): Cessna 310L · Detroit, MI · Accident · No injuries · Limited investigation · Final report · May 4, 2002 · N1199L · Substantial damage
  > The total failure of the electrical system, the landing gear indicating system not operating, and the unsuccessful emergency landing gear extension.
- [NTSB CHI01LA279](https://openairdocs.org/ntsb/CHI01LA279.md): Globe GC-1B · Traverse City, MI · Accident · No injuries · Limited investigation · Final report · Aug 12, 2001 · N80917 · Substantial damage
  > The pilot not following the emergency landing gear extension procedures. Factors were the failure of the hydraulic motor, and the landing gear locks not engaged.
- [NTSB CHI97LA186](https://openairdocs.org/ntsb/CHI97LA186.md): Hulliberger Starduster II · Berrien Springs, MI · Accident · Minor injuries · Limited investigation · Final report · Jun 27, 1997 · N939H · Substantial damage
  > the failure of the landing gear axle due to fatigue.
- [NTSB CHI89LA080](https://openairdocs.org/ntsb/CHI89LA080.md): Cessna 411 · Detroit, MI · Accident · No injuries · Limited investigation · Final report · Apr 25, 1989 · N444EA · Substantial damage
  > Failure of a bolt in the left main landing gear assembly.
- [NTSB CHI89LA043](https://openairdocs.org/ntsb/CHI89LA043.md): Cessna T303 · Romeo, MI · Accident · No injuries · Limited investigation · Final report · Jan 6, 1989 · N9890C · Substantial damage
  > The failure of the left main landing gear assembly due to stress corrosion.

## 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" = 'MI' 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" = 190)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=190&state=MI

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