# NTSB investigations: Mitsubishi MU-2B-20: Airframe/component/system failure/malfunction

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 DEN87FA003](https://openairdocs.org/ntsb/DEN87FA003.md): Mitsubishi MU-2B-20 · Denver, CO · Accident · No injuries · Field investigation · Final report · Oct 12, 1986 · N3MU · Substantial damage
  > Acft had been repossessed and was being ferried from grand junction, CO, to chicago, IL, with en route stop at Denver, CO. After takeoff from Denver, landing gear would not retract. Plt made several attempts without success. He elected to return to Denver.…
- [NTSB FTW85LA229](https://openairdocs.org/ntsb/FTW85LA229.md): Mitsubishi MU-2B-20 · San Angelo, TX · Accident · No injuries · Limited investigation · Final report · May 21, 1985 · N711LL · Substantial damage
  > A piece of unidentified equipment reportedly was not properly secured during previous maintenance. The equipment reportedly was mounted immediately above the nose wheel extension/retraction mechanism and moved due to acft vibration preventing the nose 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 ('5780407')
    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" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=5780407&occurrence=130

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