# NTSB investigations: Mooney M20K, WI

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 CEN15LA279](https://openairdocs.org/ntsb/CEN15LA279.md): Mooney M20K · Sheboygan, WI · Accident · No injuries · Limited investigation · Final report · Jun 21, 2015 · N1168Z · Substantial damage
  > Oil starvation due to preignition in the No. 5 cylinder as a result of failed spark plugs; the top and sides of the piston head were eroded, which allowed the exhaust gases caused by the preignition to pressurize the crankcase and force engine oil out of the…
- [NTSB CHI92FA195](https://openairdocs.org/ntsb/CHI92FA195.md): Mooney M20K · Oconto Falls, WI · Accident · 1 fatal · Field investigation · Final report · Jul 3, 1992 · N231FW · Destroyed
  > The pilot's failure to maintain adequate clearance from obstructions during a low pass.
- [NTSB CHI91LA283](https://openairdocs.org/ntsb/CHI91LA283.md): Mooney M20K · Burlington, WI · Accident · Minor injuries · Limited investigation · Final report · Aug 31, 1991 · N9514R · Substantial damage
  > The pilot's exceeding the airplane's licensed gross weight and the pilot's improper preflight planning and preparation.
- [NTSB CHI88FAMS2](https://openairdocs.org/ntsb/CHI88FAMS2.md): Mooney M20K · Racine, WI · Accident · Serious injuries · Missing aircraft · Final report · Aug 1, 1988 · N56352 · Destroyed
  > Engine failure due to fuel starvation.

## 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."eventStateOrRegion" = 'WI' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('5870220'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=5870220&state=WI

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