# NTSB investigations: Lycoming O&VO-360 series, 1987, ND

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 DEN87LA131](https://openairdocs.org/ntsb/DEN87LA131.md): Piper PA-24-180 · Emerado, ND · Accident · No injuries · Limited investigation · Final report · May 22, 1987 · N8088P · Substantial damage
  > The commercial plt was en route on a personal flt. Thirteen miles from his destination, he smelled oil fumes and the cabin filled with oil smoke. The engine oil pressure dropped to zero. The plt shut down the engine, ventilated the cabin, and declared an…
- [NTSB DEN87LA073](https://openairdocs.org/ntsb/DEN87LA073.md): Mooney M20C · Wahpeton, ND · Accident · No injuries · Limited investigation · Final report · Mar 27, 1987 · N6550U · Substantial damage
  > A CFI and a dual student were making practice landings. On the sixth landing, the student failed to lower the landing gear. The CFI did not notice that the acft did not have landing gear extended. The acft landed with gear fully retracted.

## 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 year(c."eventDate") = 1987
  AND c."eventStateOrRegion" = 'ND' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41514'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41514&state=ND&year=1987

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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.