# NTSB investigations: Lycoming VO-540 series, 1970

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 NYC71FHD32](https://openairdocs.org/ntsb/NYC71FHD32.md): Bell 47G-4 · Philadelphia, PA · Accident · No injuries · Closed · Dec 2, 1970 · N73943 · Substantial damage
- [NTSB FTW71FRJ23](https://openairdocs.org/ntsb/FTW71FRJ23.md): Bell 47G-4 · Vivian, LA · Accident · Serious injuries · Closed · Nov 16, 1970 · N1216W · Substantial damage
- [NTSB MIA71DKT37](https://openairdocs.org/ntsb/MIA71DKT37.md): Brantly 305 · Boca Raton, FL · Accident · No injuries · Closed · Nov 5, 1970 · N2226U · Substantial damage
- [NTSB MKC71DCQ18](https://openairdocs.org/ntsb/MKC71DCQ18.md): Brantly 305 · Emporia, KS · Accident · No injuries · Closed · Sep 1, 1970 · N2221U · Substantial damage
- [NTSB ANC71DAD01](https://openairdocs.org/ntsb/ANC71DAD01.md): Hiller Acft UH-12E · Port Alexndr, AK · Accident · No injuries · Closed · Jul 26, 1970 · N5325V · Substantial damage
- [NTSB CHI70FDW23](https://openairdocs.org/ntsb/CHI70FDW23.md): Bell 47-J2 · Union Lake, MI · Accident · No injuries · Closed · Jun 20, 1970 · N73271 · Destroyed
- [NTSB LAX70DUA17](https://openairdocs.org/ntsb/LAX70DUA17.md): Bell 47J-2 · Long Beach, CA · Accident · No injuries · Closed · Apr 1, 1970 · N2097 · Substantial damage
- [NTSB FTW70FRD01](https://openairdocs.org/ntsb/FTW70FRD01.md): Bell 47G-4A · Morgan City, LA · Accident · Minor injuries · Closed · Feb 17, 1970 · N6230N · 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") = 1970
  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=1970

---
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.