# NTSB investigations: Mooney M20F: 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 CHI99LA243](https://openairdocs.org/ntsb/CHI99LA243.md): Mooney M20F · Marshall, MN · Accident · Minor injuries · Limited investigation · Final report · Jul 19, 1999 · N7141V · Substantial damage
  > the inadvertent stall and the checklist not followed by the pilot. Contributing factors were the baggage door not secured and the precautionary landing attempt by the pilot.
- [NTSB MIA99LA191](https://openairdocs.org/ntsb/MIA99LA191.md): Mooney M20F · Liberty, NC · Accident · No injuries · Limited investigation · Final report · Jun 29, 1999 · N7114V · Substantial damage
  > Improper inspection of the muffler assembly resulting in erosion going undetected and the rupture of the muffler and shroud while in cruise flight. The condition caused melting of portions of the air induction system, loss of engine power, and the pilot's…
- [NTSB NYC91LA219](https://openairdocs.org/ntsb/NYC91LA219.md): Mooney M20F · Meadville, PA · Accident · Serious injuries · Limited investigation · Final report · Aug 24, 1991 · N3827N · Substantial damage
  > Engine failure resulting from the fatigue failure of the number 2 cylinder exhaust valve and the subsequent forced landing at night. A factor related to the accident was the restricted visibility.
- [NTSB ATL91FA020](https://openairdocs.org/ntsb/ATL91FA020.md): Mooney M20F · Pageland, SC · Accident · 2 fatal · Field investigation · Final report · Jan 11, 1991 · N6858V · Destroyed
  > Failure of the pilot to maintain control of the aircraft, due to spatial disorientation. Factors related to the accident were: the weather conditions and the malfunction of a gyro instrument (probably the attitude indicator).
- [NTSB ATL90LA088](https://openairdocs.org/ntsb/ATL90LA088.md): Mooney M20F · Murfreesboro, TN · Accident · No injuries · Limited investigation · Final report · Mar 30, 1990 · N7061V · Substantial damage
  > Fatigue failure of the propeller blade which resulted in a forced off-airport landing.
- [NTSB ATL89LA064](https://openairdocs.org/ntsb/ATL89LA064.md): Mooney M20F · Perdido, AL · Accident · No injuries · Limited investigation · Final report · Dec 30, 1988 · N6969V · Substantial damage
  > While descending to 6000 feet the pilot experienced a complete loss of engine oil supply. The windscreen was covered with oil and the pilot had to use the side window to gain forward visibility. After completing the emergency landing check the engine seized.…
- [NTSB ATL87LA247](https://openairdocs.org/ntsb/ATL87LA247.md): Mooney M20F · Put In Bay, OH · Accident · No injuries · Limited investigation · Final report · Aug 29, 1987 · N9784M · Substantial damage
  > The plt heard a loud 'snap' while taxiing to the rwy, and the ldg gear collapsed immediately thereafter. The plt observed that the gear handle was still in the down-and-locked position and that the green 'gear down' light remained illuminated. FAA exam of the…
- [NTSB SEA87LA128](https://openairdocs.org/ntsb/SEA87LA128.md): Mooney M20F · Grants Pass, OR · Accident · No injuries · Limited investigation · Final report · Apr 3, 1987 · N6901V · Substantial damage
  > Shortly after takeoff the pilot realized that he had no airspeed indication due to his forgetting to remove the pitot cover during preflight. The pilot returned to land at the airport and landed gear up.
- [NTSB BFO85FA041](https://openairdocs.org/ntsb/BFO85FA041.md): Mooney M20F · Stevensville, MD · Accident · No injuries · Field investigation · Final report · Apr 29, 1985 · N9107V · Destroyed
  > The plt stated that when in normal curise at 3000 ft over castle marina arpt he noticed excessive oil and cylinder head temps. A concurrent small amount of smoke was emanating from the instrument panel which prompted the plt to execute a precautionary lndg at…

## 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 ('5870214')
    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=5870214&occurrence=130

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.