# NTSB investigations: Lycoming VO-435 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 OAK73DVM21](https://openairdocs.org/ntsb/OAK73DVM21.md): Bell 47G-2 · Salinas, CA · Accident · No injuries · Closed · Dec 15, 1972 · N6727D · Substantial damage
- [NTSB FTW73DRG30](https://openairdocs.org/ntsb/FTW73DRG30.md): Bell 47G-5 · Harlingen, TX · Accident · No injuries · Closed · Dec 7, 1972 · N7923J · Substantial damage
- [NTSB CHI73FEK07](https://openairdocs.org/ntsb/CHI73FEK07.md): Bell 47G-4 · Cambridge, OH · Accident · No injuries · Closed · Oct 2, 1972 · N73979 · Substantial damage
- [NTSB MKC73DCG06](https://openairdocs.org/ntsb/MKC73DCG06.md): Bell 47G-5 · Forsyth, MO · Accident · No injuries · Closed · Sep 2, 1972 · N6203N · Substantial damage
- [NTSB CHI73FEC08](https://openairdocs.org/ntsb/CHI73FEC08.md): Bell 47G-5A · Blissfield, MI · Accident · No injuries · Closed · Aug 28, 1972 · N2988W · Substantial damage
- [NTSB LAX73DUQ04](https://openairdocs.org/ntsb/LAX73DUQ04-168797.md): Bell 47G-2 · Sylmar, CA · Accident · No injuries · Closed · Aug 6, 1972 · N2879B · Substantial damage
- [NTSB MKC73FCG02](https://openairdocs.org/ntsb/MKC73FCG02.md): Bell 47J · Osage Beach, MO · Accident · Minor injuries · Closed · Aug 5, 1972 · N2881B · Substantial damage
- [NTSB CHI73DEV05](https://openairdocs.org/ntsb/CHI73DEV05.md): Bell 47G-2 · Murdock, IL · Accident · No injuries · Closed · Jul 23, 1972 · N12848 · Substantial damage
- [NTSB MIA73FLG07](https://openairdocs.org/ntsb/MIA73FLG07.md): Bell 47G-2 · Pinewood, SC · Accident · No injuries · Closed · Jul 22, 1972 · N6711D · Substantial damage
- [NTSB LAX73FUD02](https://openairdocs.org/ntsb/LAX73FUD02.md): Bell 47G-5 · Santa Mnica, CA · Accident · No injuries · Closed · Jul 21, 1972 · N4798R · Substantial damage
- [NTSB ANC73AA006](https://openairdocs.org/ntsb/ANC73AA006.md): Bell 47G-2 · Deadhorse, AK · Accident · No injuries · Closed · Jul 18, 1972 · N959 · Substantial damage
- [NTSB SEA73DYG02](https://openairdocs.org/ntsb/SEA73DYG02.md): Bell 47G-2 · Twisp, WA · Accident · No injuries · Closed · Jul 7, 1972 · N6717D · Substantial damage
- [NTSB MKC73FER04](https://openairdocs.org/ntsb/MKC73FER04.md): EL Tomcat MK6B · Miesville, MN · Accident · Minor injuries · Closed · Jul 5, 1972 · N7840S · Destroyed
- [NTSB OAK72DVD57](https://openairdocs.org/ntsb/OAK72DVD57.md): Bell 47G2 · Stockton, CA · Accident · No injuries · Closed · Jun 9, 1972 · N5162B · Substantial damage
- [NTSB SEA72DYG45](https://openairdocs.org/ntsb/SEA72DYG45.md): Bell 47G-2 · Warden, WA · Accident · No injuries · Closed · Jun 4, 1972 · N1657 · Substantial damage
- [NTSB NYC72DID28](https://openairdocs.org/ntsb/NYC72DID28.md): Bell 47G-2A · Covington, VA · Accident · Minor injuries · Closed · May 9, 1972 · N73264 · Substantial damage
- [NTSB LAX72FUG73](https://openairdocs.org/ntsb/LAX72FUG73.md): Bell 47G-2 · Glen Ivy, CA · Accident · No injuries · Closed · Apr 24, 1972 · N6709D · Substantial damage
- [NTSB FTW72DPM26](https://openairdocs.org/ntsb/FTW72DPM26.md): Bell 47G · Wynona, OK · Accident · No injuries · Closed · Apr 5, 1972 · N993B · Substantial damage
- [NTSB MIA72FKT48](https://openairdocs.org/ntsb/MIA72FKT48.md): Bell 47G · Ft Lauderdale, FL · Accident · Serious injuries · Closed · Jan 29, 1972 · N16414 · Destroyed
- [NTSB NYC72FFJ25](https://openairdocs.org/ntsb/NYC72FFJ25.md): Bell 47G2A1 · Batavia, NY · Accident · No injuries · Closed · Jan 19, 1972 · N73907 · 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 ('41525'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41525&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.