# NTSB investigations: Continental IO-520-F, 1981

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 ANC82FA010](https://openairdocs.org/ntsb/ANC82FA010.md): Cessna 207A · Tyonek, AK · Accident · 4 fatal · Closed · Dec 10, 1981 · N9461M · Destroyed
- [NTSB ANC81DA111](https://openairdocs.org/ntsb/ANC81DA111.md): Cessna 207A · Golovin, AK · Accident · No injuries · Closed · Sep 4, 1981 · N73771 · Substantial damage
- [NTSB ANC81FA091](https://openairdocs.org/ntsb/ANC81FA091.md): Cessna 207A · Dillingham, AK · Accident · 1 fatal · Closed · Aug 4, 1981 · N9552M · Destroyed
- [NTSB ANC81DA052](https://openairdocs.org/ntsb/ANC81DA052.md): Cessna 207A · Marshall, AK · Accident · No injuries · Closed · May 9, 1981 · N6874M · Substantial damage
- [NTSB ANC81FA031](https://openairdocs.org/ntsb/ANC81FA031.md): Cessna 207A · Teller, AK · Accident · Minor injuries · Closed · Mar 19, 1981 · N73503 · Substantial damage
- [NTSB NYC81DFJ04](https://openairdocs.org/ntsb/NYC81DFJ04.md): Cessna 206 · Jamestown, NY · Accident · No injuries · Closed · Feb 10, 1981 · N2912Q · Substantial damage

## 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") = 1981
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17237'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17237&year=1981

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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.