# NTSB investigations: Lycoming VO-540 series, 1969

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 LAX70A0031](https://openairdocs.org/ntsb/LAX70A0031.md): Bell 47J · Goleta, CA · Accident · No injuries · Closed · Nov 21, 1969 · N73921 · Substantial damage
- [NTSB NYC70F0186](https://openairdocs.org/ntsb/NYC70F0186.md): Bell 47G-4 · E Providence, RI · Accident · No injuries · Closed · Oct 16, 1969 · N73943 · Substantial damage
- [NTSB DEN70F0100](https://openairdocs.org/ntsb/DEN70F0100.md): Bell 47J2B · Santa Fe, NM · Accident · No injuries · Closed · Sep 3, 1969 · N6224N · Substantial damage
- [NTSB NYC70F0107](https://openairdocs.org/ntsb/NYC70F0107.md): Bell 47G-4A · East Poultney, VT · Accident · Serious injuries · Closed · Aug 13, 1969 · N1420W · Destroyed
- [NTSB ANC70A0003](https://openairdocs.org/ntsb/ANC70A0003.md): Hiller Acft UH12E · Bettles, AK · Accident · No injuries · Closed · Jul 9, 1969 · N5362V · Substantial damage
- [NTSB NYC70D0055](https://openairdocs.org/ntsb/NYC70D0055.md): Bell 47G-5 · Union City, PA · Accident · No injuries · Closed · Jul 7, 1969 · N8556F · Substantial damage
- [NTSB LAX69D0359](https://openairdocs.org/ntsb/LAX69D0359.md): Hiller UH-12L · Victorville, CA · Accident · No injuries · Closed · May 5, 1969 · N86689 · Substantial damage
- [NTSB NYC69F0394](https://openairdocs.org/ntsb/NYC69F0394.md): Bell 47G2A1 · Dunbar, PA · Accident · No injuries · Closed · Apr 8, 1969 · N1215W · Substantial damage
- [NTSB ANC70F0019](https://openairdocs.org/ntsb/ANC70F0019.md): Hiller UH-12E · Barrow, AK · Accident · Minor injuries · Closed · Mar 28, 1969 · N9761C · Destroyed
- [NTSB FTW69F0430](https://openairdocs.org/ntsb/FTW69F0430.md): Bell 47G-4 · Camden, AR · Accident · No injuries · Closed · Mar 18, 1969 · N1150W · 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") = 1969
  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=1969

---
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.