# NTSB investigations: Lycoming VO-435 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 NYC70D0002](https://openairdocs.org/ntsb/NYC70D0002-107186.md): Bell 47G-5 · Clarkstown, NY · Accident · No injuries · Closed · Dec 1, 1969 · N8593F · Substantial damage
- [NTSB CHI70F0264](https://openairdocs.org/ntsb/CHI70F0264.md): Bell 47G-2 · Gallipolis, OH · Accident · No injuries · Closed · Sep 22, 1969 · N6776D · Destroyed
- [NTSB FTW70A0014](https://openairdocs.org/ntsb/FTW70A0014.md): Bell 47G-2 · Buras, LA · Accident · No injuries · Closed · Sep 8, 1969 · N955 · Substantial damage
- [NTSB FTW70F0204](https://openairdocs.org/ntsb/FTW70F0204.md): Bell 47G-2 · Friendswood, TX · Accident · No injuries · Closed · Sep 4, 1969 · N17120 · Substantial damage
- [NTSB ANC70D0037](https://openairdocs.org/ntsb/ANC70D0037.md): Bell 47G-2 · Cordova, AK · Accident · No injuries · Closed · Aug 29, 1969 · N2822B · Substantial damage
- [NTSB MKC70D0204](https://openairdocs.org/ntsb/MKC70D0204.md): Bell 47G-5 · Irwin, IA · Accident · No injuries · Closed · Aug 26, 1969 · N7801S · Substantial damage
- [NTSB UNK69X0137](https://openairdocs.org/ntsb/UNK69X0137.md): Bell 47G-2 · Ngara Fall, Canada · Accident · 3 fatal · Closed · Aug 5, 1969 · N8403E · Destroyed
- [NTSB MIA70F0184](https://openairdocs.org/ntsb/MIA70F0184.md): Bell 47G-5 · Largo, FL · Accident · No injuries · Closed · Jul 23, 1969 · N4041G · Destroyed
- [NTSB MKC70F0169](https://openairdocs.org/ntsb/MKC70F0169.md): Bell 47G-2 · Lakeville, MN · Accident · Minor injuries · Closed · Jul 19, 1969 · N2490B · Substantial damage
- [NTSB ANC70A0006](https://openairdocs.org/ntsb/ANC70A0006.md): Bell 47G-2 · King Salmon, AK · Accident · No injuries · Closed · Jul 16, 1969 · N59H · Substantial damage
- [NTSB MIA70D0053](https://openairdocs.org/ntsb/MIA70D0053.md): Bell 47G-5 · Hampton, TN · Accident · Serious injuries · Closed · Jul 5, 1969 · N7841S · Destroyed
- [NTSB NYC69A0105](https://openairdocs.org/ntsb/NYC69A0105.md): Bell 47D1 · Gettysburg, PA · Accident · 1 fatal · Closed · May 25, 1969 · N6598D · Destroyed
- [NTSB SEA70D0034](https://openairdocs.org/ntsb/SEA70D0034.md): Bell 47G-2 · Centralia, WA · Accident · Serious injuries · Closed · May 18, 1969 · N2498B · Destroyed
- [NTSB ANC69A0053](https://openairdocs.org/ntsb/ANC69A0053.md): Bell 47G-2 · Oliktok, AK · Accident · No injuries · Closed · May 6, 1969 · N6701D · Substantial damage
- [NTSB FTW69F0500](https://openairdocs.org/ntsb/FTW69F0500.md): Bell 47G-2 · Amarillo, TX · Accident · Minor injuries · Closed · May 2, 1969 · N6744D · Substantial damage
- [NTSB LAX69D0232](https://openairdocs.org/ntsb/LAX69D0232.md): Bell 47G-2 · Redlands, CA · Accident · No injuries · Closed · Jan 26, 1969 · N12848 · 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 ('41525'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41525&year=1969

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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.