# NTSB investigations: Lycoming VO-540 series, 1972

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 NYC73FHM18](https://openairdocs.org/ntsb/NYC73FHM18.md): Bell 47G-4A · Suffern, NY · Accident · Serious injuries · Closed · Dec 28, 1972 · N2238W · Substantial damage
- [NTSB OAK73DVG28](https://openairdocs.org/ntsb/OAK73DVG28.md): Hiller UH12L4 · San Andreas, CA · Accident · No injuries · Closed · Oct 9, 1972 · N90487 · Substantial damage
- [NTSB FTW73FRD04](https://openairdocs.org/ntsb/FTW73FRD04.md): Bell 47J-2A · Venice, LA · Accident · No injuries · Closed · Aug 29, 1972 · N3092G · Substantial damage
- [NTSB ANC73FAD01](https://openairdocs.org/ntsb/ANC73FAD01.md): Hiller 12E · Annette, AK · Accident · No injuries · Closed · Aug 27, 1972 · N4415 · Destroyed
- [NTSB LAX73FUA12](https://openairdocs.org/ntsb/LAX73FUA12.md): Bell 47J-2 · Huntgtn Bch, CA · Accident · No injuries · Closed · Aug 14, 1972 · N2097 · Substantial damage
- [NTSB ANC72AA046](https://openairdocs.org/ntsb/ANC72AA046.md): Hiller UH-12E · Ketchikan, AK · Accident · No injuries · Closed · May 12, 1972 · N5364V · 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") = 1972
  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=1972

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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.