# NTSB investigations: Lycoming TVO-435-GIA, 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 DEN70D0132](https://openairdocs.org/ntsb/DEN70D0132.md): Bell 47G-3B · Alamogordo, NM · Accident · No injuries · Closed · Nov 20, 1969 · N73995 · Substantial damage
- [NTSB OAK70D0160](https://openairdocs.org/ntsb/OAK70D0160.md): Bell 47G3B1 · Bishop, CA · Accident · No injuries · Closed · Oct 7, 1969 · N3096G · Destroyed
- [NTSB DEN70D0064](https://openairdocs.org/ntsb/DEN70D0064.md): Bell 47G3B2 · Midwest, WY · Accident · No injuries · Closed · Aug 18, 1969 · N1486W · Substantial damage
- [NTSB MKC70I0081](https://openairdocs.org/ntsb/MKC70I0081.md): Bell 47G3B1 · Hill City, SD · Incident · No injuries · Closed · Aug 2, 1969 · N7924S · Minor damage
- [NTSB LAX70A0008](https://openairdocs.org/ntsb/LAX70A0008.md): Bell 47G3B1 · Grnd Canyon, AZ · Accident · 3 fatal · Closed · Jul 30, 1969 · N73909 · Destroyed
- [NTSB CAN70A4457](https://openairdocs.org/ntsb/CAN70A4457.md): Schweizer SGS126 · Hope, Canada · Accident · 3 fatal · Closed · Jul 26, 1969 · CF-VEQ · 2 aircraft · Destroyed
- [NTSB DEN70D0097](https://openairdocs.org/ntsb/DEN70D0097.md): Bell 47G3B2 · Breckenridge, CO · Accident · Minor injuries · Closed · Jul 17, 1969 · N4074G · Substantial damage
- [NTSB LAX70F0070](https://openairdocs.org/ntsb/LAX70F0070-201453.md): Bell 47G3B1 · Siera Madre, CA · Accident · No injuries · Closed · Jul 5, 1969 · N1126W · Substantial damage
- [NTSB DEN70D0040](https://openairdocs.org/ntsb/DEN70D0040.md): Bell 47G-3B · Casper, WY · Accident · No injuries · Closed · Jul 1, 1969 · N6225N · Substantial damage
- [NTSB DEN70F0008](https://openairdocs.org/ntsb/DEN70F0008.md): Bell 47G3B1 · Broomfield, CO · Accident · Serious injuries · Closed · Jun 14, 1969 · N8541F · Substantial damage
- [NTSB LAX69D0357](https://openairdocs.org/ntsb/LAX69D0357.md): Bell 47G3B1 · Grnd Canyon, AZ · Accident · No injuries · Closed · May 21, 1969 · N73909 · Substantial damage
- [NTSB OAK69F0318](https://openairdocs.org/ntsb/OAK69F0318.md): Bell 47G3B1 · Las Vegas, NV · Accident · No injuries · Closed · May 11, 1969 · N1335X · Substantial damage
- [NTSB DEN69D0213](https://openairdocs.org/ntsb/DEN69D0213.md): Bell 47G3B1 · Albany, WY · Accident · Minor injuries · Closed · Mar 25, 1969 · N73285 · Substantial damage
- [NTSB SEA69D0183](https://openairdocs.org/ntsb/SEA69D0183.md): Bell 47G-2 · Chelan, WA · Accident · No injuries · Closed · Feb 14, 1969 · N6712D · Substantial damage
- [NTSB MIA69F0341](https://openairdocs.org/ntsb/MIA69F0341.md): Bell 47G-3B · Kingsport, TN · Accident · Minor injuries · Closed · Jan 18, 1969 · N204Z · Destroyed
- [NTSB MIA69F0313](https://openairdocs.org/ntsb/MIA69F0313.md): Bell 47G · Jackson, MS · Accident · No injuries · Closed · Jan 16, 1969 · N3096G · 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 ('41526'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41526&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.