# NTSB investigations: Lycoming VO-540 series, 1977

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 LAX78FA008](https://openairdocs.org/ntsb/LAX78FA008.md): Bell 47J-2 · Burbank, CA · Accident · 2 fatal · Closed · Nov 22, 1977 · N8442E · Destroyed
- [NTSB SEA78FYM06](https://openairdocs.org/ntsb/SEA78FYM06.md): Hiller Acft UH-12E · Depoe Bay, OR · Accident · Serious injuries · Closed · Nov 3, 1977 · N9786C · Substantial damage
- [NTSB OAK78FVA03](https://openairdocs.org/ntsb/OAK78FVA03.md): Hiller UH-12E · Los Banos, CA · Accident · No injuries · Closed · Oct 3, 1977 · N105HA · Substantial damage
- [NTSB CHI77FEK33](https://openairdocs.org/ntsb/CHI77FEK33.md): Bell 47G-2A · Big Plaines, OH · Accident · No injuries · Closed · Sep 28, 1977 · N9526 · Substantial damage
- [NTSB LAX77DUJ82](https://openairdocs.org/ntsb/LAX77DUJ82.md): Hiller Acft UH-12E · Yuma, AZ · Accident · No injuries · Closed · Jul 28, 1977 · N62349 · Destroyed
- [NTSB MKC77FCD29](https://openairdocs.org/ntsb/MKC77FCD29.md): Hiller Acft 12E · Reasoner, IA · Accident · No injuries · Closed · Jul 11, 1977 · N3351F · Substantial damage
- [NTSB LAX77FUG53](https://openairdocs.org/ntsb/LAX77FUG53.md): Hiller Acft UH-12E · Blythe, CA · Accident · No injuries · Closed · Jul 11, 1977 · N75204 · Substantial damage
- [NTSB OAK77DVW25](https://openairdocs.org/ntsb/OAK77DVW25.md): Hiller 12SL4 · Bishop, CA · Accident · No injuries · Closed · Jul 1, 1977 · N90461 · Substantial damage
- [NTSB SEA77DYA24](https://openairdocs.org/ntsb/SEA77DYA24.md): Hiller Acft UH-12E · Blackfoot, ID · Accident · No injuries · Closed · Jun 6, 1977 · N143HA · Substantial damage
- [NTSB CHI77FEK20](https://openairdocs.org/ntsb/CHI77FEK20.md): Hiller UH-12E · Columbus, OH · Accident · Minor injuries · Closed · May 19, 1977 · N5376V · Substantial damage
- [NTSB NYC77FHA17](https://openairdocs.org/ntsb/NYC77FHA17.md): Bell 47G-4 · Stroudsburg, PA · Accident · Minor injuries · Closed · Apr 15, 1977 · N1150W · Substantial damage
- [NTSB LAX77DUJ42](https://openairdocs.org/ntsb/LAX77DUJ42.md): Bell 47J-2A · Kingman, AZ · Accident · No injuries · Closed · Apr 9, 1977 · N26521 · Substantial damage
- [NTSB NYC77DHA16](https://openairdocs.org/ntsb/NYC77DHA16.md): Bell 47G-4 · Blairstown, NJ · Accident · No injuries · Closed · Feb 16, 1977 · N73292 · 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") = 1977
  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=1977

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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.