# NTSB investigations: Lycoming TVO-435-GIA, 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 SEA81DYM48](https://openairdocs.org/ntsb/SEA81DYM48.md): Bell 47G3B1 · Albany, OR · Accident · No injuries · Closed · Sep 30, 1981 · N2243W · Substantial damage
- [NTSB DEN81FTE51](https://openairdocs.org/ntsb/DEN81FTE51.md): Hiller UHI2D · Craig, CO · Accident · No injuries · Closed · Sep 8, 1981 · N96107 · Destroyed
- [NTSB NYC81FNA19](https://openairdocs.org/ntsb/NYC81FNA19.md): Bell 47G-3B · Pawtucket, RI · Accident · No injuries · Closed · Jul 8, 1981 · N59415 · Destroyed
- [NTSB SEA81DYP21](https://openairdocs.org/ntsb/SEA81DYP21.md): Bell 47G3B2 · Walla Walla, WA · Accident · Serious injuries · Closed · Jun 11, 1981 · N14827 · Substantial damage
- [NTSB ATL81FIJ05](https://openairdocs.org/ntsb/ATL81FIJ05-126706.md): Bell 47G · Sharples, WV · Accident · Serious injuries · Closed · Apr 20, 1981 · N7897S · 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 ('41526'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41526&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.