# NTSB investigations: Lycoming TVO-435-GIA, 1973

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 SEA74DYA12](https://openairdocs.org/ntsb/SEA74DYA12.md): Bell 47G-3B · New Meadows, ID · Accident · Serious injuries · Closed · Oct 2, 1973 · N73909 · Destroyed
- [NTSB DEN74DQA06](https://openairdocs.org/ntsb/DEN74DQA06.md): Bell 47G3B2 · Luna, NM · Accident · No injuries · Closed · Jul 11, 1973 · N58131 · Substantial damage
- [NTSB DEN73AD055](https://openairdocs.org/ntsb/DEN73AD055.md): Bell 4G3B2A · Luna, NM · Accident · 1 fatal · Closed · Jun 19, 1973 · N83111 · Substantial damage
- [NTSB DEN73FQA46](https://openairdocs.org/ntsb/DEN73FQA46.md): Bell 47G-3B · Cuba, NM · Accident · No injuries · Closed · Jun 13, 1973 · N4727R · Substantial damage
- [NTSB DEN73DTM30](https://openairdocs.org/ntsb/DEN73DTM30.md): Bell 47G3B1 · Magna, UT · Accident · Minor injuries · Closed · Jun 12, 1973 · N8532F · Destroyed
- [NTSB DEN73FTE92](https://openairdocs.org/ntsb/DEN73FTE92.md): Bell 47G3B1 · Carbondale, CO · Accident · No injuries · Closed · Jun 9, 1973 · N1357X · Substantial damage
- [NTSB SEA73FTA06](https://openairdocs.org/ntsb/SEA73FTA06.md): Bell 47G-3B · Billings, MT · Accident · No injuries · Closed · Apr 23, 1973 · N204Z · Substantial damage
- [NTSB DEN73AD039](https://openairdocs.org/ntsb/DEN73AD039.md): Bell 47G3B1 · Salt Lake City, UT · Accident · No injuries · Closed · Feb 21, 1973 · N73972 · Substantial damage
- [NTSB OAK73FVG48](https://openairdocs.org/ntsb/OAK73FVG48.md): Bell 47G3B1 · Gridley, CA · Accident · No injuries · Closed · Feb 18, 1973 · N73288 · 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") = 1973
  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=1973

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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.