# NTSB investigations: Mooney M20E: 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 DEN05LA043](https://openairdocs.org/ntsb/DEN05LA043.md): Mooney M20E · Telluride, CO · Accident · No injuries · Limited investigation · Final report · Dec 23, 2004 · N5550Q · Substantial damage
  > the pilot's improper in-flight decision making and inadvertent retraction of the landing gear resulting in a wheels up landing. A contributing factor included the pilot's attention being diverted by the seized engine tachometer.
- [NTSB CHI99LA057](https://openairdocs.org/ntsb/CHI99LA057.md): Mooney M20E · Tryon, NE · Accident · No injuries · Limited investigation · Final report · Dec 31, 1998 · N333WS · Substantial damage
  > other maintenance personnel's not correcting a loose cylinder assembly. Factors were loose engine cylinder assembly, fractured cylinder mounting hardware, the roadway, and road sign.
- [NTSB CHI90LA276](https://openairdocs.org/ntsb/CHI90LA276.md): Mooney M20E · Morrison, IL · Accident · No injuries · Limited investigation · Final report · Sep 27, 1990 · N7197U · Substantial damage
  > Improper maintenance of the propeller blade by unknown persons and the subsequent failure of the blade in fatigue during cruise flight. A factor was: unsuitable terrain.
- [NTSB ATL88IA074](https://openairdocs.org/ntsb/ATL88IA074.md): Mooney M-20E · Columbia, SC · Incident · No injuries · Incident investigation · Final report · Oct 6, 1987 · N1936Y · Minor damage
  > During takeoff the propeller studs failed and the propeller departed the acft. FAA incident rpt stated that propeller had been overhauled and replaced 32 hours prior to the separation. Metallurgical exam of the propeller studs revealed fatigue failure of the…
- [NTSB ATL85LA065](https://openairdocs.org/ntsb/ATL85LA065.md): Mooney M20E · Monroeville, AL · Accident · No injuries · Limited investigation · Final report · Dec 25, 1984 · N9418V · Substantial damage
  > Plt unable to electrically or manually fully extend landing gear in traffic pattern so he decided to make a gear up landing. Unknowingly plt had lowered gear to a transit position and gear collapsed on landing. Plt had previous problems with gear and had to…
- [NTSB FTW82FPA14](https://openairdocs.org/ntsb/FTW82FPA14.md): Mooney M20E · Paris, TX · Accident · Minor injuries · Final report · Jun 28, 1982 · N79831 · Substantial damage
  > About 20 min after takeoff, the pilot noticed oil on the left side glass and windshield while cruising at 7000 ft. he then checked oil pressure and it was near zero. He shut down the engine, and during a forced landing, the aircraft was substantially damaged.…

## 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 ('5870212')
    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=5870212&occurrence=130

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