# NTSB investigations: Mooney M20J: Aircraft maintenance event

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 ERA12LA422](https://openairdocs.org/ntsb/ERA12LA422.md): Mooney M20J · Mc Kinnon, TN · Accident · Serious injuries · Limited investigation · Final report · Jun 28, 2012 · N174JB · Substantial damage
  > The separation of the piston connecting rod from the crankshaft due to inadequate installation from a mechanic, resulting in a total loss of engine power.
- [NTSB LAX08LA184](https://openairdocs.org/ntsb/LAX08LA184.md): Mooney M20J · Evanston, WY · Accident · No injuries · Limited investigation · Final report · Jun 10, 2008 · N1234G · Substantial damage
  > A collapse of the landing gear due to improper maintenance.

## 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 ('5870219')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '040' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/040/sequence?model=5870219

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