# NTSB investigations: Lycoming VO-540 series, 1980

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 DEN81DTG03](https://openairdocs.org/ntsb/DEN81DTG03-201169.md): Hiller Acft UH-12E · Watford City, ND · Accident · No injuries · Closed · Nov 21, 1980 · N5343V · Substantial damage
- [NTSB ANC80DAD10](https://openairdocs.org/ntsb/ANC80DAD10.md): Hiller Acft UH-12E · Petersburg, AK · Accident · No injuries · Closed · Aug 23, 1980 · N9784C · Substantial damage
- [NTSB CHI80FEX31](https://openairdocs.org/ntsb/CHI80FEX31.md): Hiller Acft UH-12E · Milan, IN · Accident · No injuries · Closed · Aug 19, 1980 · N492HS · Substantial damage
- [NTSB DEN80DTC28](https://openairdocs.org/ntsb/DEN80DTC28.md): Hiller UH-12E · Greybull, WY · Accident · No injuries · Closed · Aug 8, 1980 · N5389V · Substantial damage
- [NTSB CHI80FEX29](https://openairdocs.org/ntsb/CHI80FEX29.md): Hiller Acft UH-12E · Elrod, IN · Accident · No injuries · Closed · Aug 6, 1980 · N62421 · Substantial damage
- [NTSB LAX80DUJ91](https://openairdocs.org/ntsb/LAX80DUJ91.md): Hiller Acft UH-12E · Sommerton, AZ · Accident · No injuries · Closed · Jul 31, 1980 · N9278Z · Substantial damage
- [NTSB LAX80FVA56](https://openairdocs.org/ntsb/LAX80FVA56.md): Hiller Acft UH-12E · Farmersville, CA · Accident · No injuries · Closed · Jul 26, 1980 · N67116 · Destroyed
- [NTSB ATL80FIJ02](https://openairdocs.org/ntsb/ATL80FIJ02.md): Hiller Acft UH-12E · Oak Hill, WV · Accident · No injuries · Closed · May 12, 1980 · N40289 · 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") = 1980
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41534', '41582'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41534&year=1980

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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.