# NTSB investigations: Mooney M20D: Loss of engine power(partial) - mech failure/malf

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 SEA03LA176](https://openairdocs.org/ntsb/SEA03LA176.md): Mooney M20D · Hood River, OR · Accident · Minor injuries · Limited investigation · Final report · Aug 24, 2003 · N6619U · Substantial damage
  > A power loss due to a mis-seated intake valve on the #1 cylinder resulting in leakage during the compression stroke and low compression. Contributing factors were the rising terrain and trees.
- [NTSB ATL92LA071](https://openairdocs.org/ntsb/ATL92LA071.md): Mooney M20D · Cumberland Is., GA · Accident · Minor injuries · Limited investigation · Final report · Mar 28, 1992 · N1975Y · Substantial damage
  > The loss of the spark plug at a critical point in flight which resulted from the inadequate overhaul of the engine by an unknown person; and the inadvertent stall of the airplane when the pilot failed to maintain airspeed. A factor was the high obstructions…

## 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 ('5870210')
    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" = 352))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=5870210&occurrence=352

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