# NTSB investigations: Lycoming TVO-435-GIA, 1992

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 SEA93LA034](https://openairdocs.org/ntsb/SEA93LA034.md): Bell 47G3-B2A · Montpelier, ID · Accident · No injuries · Limited investigation · Final report · Dec 7, 1992 · N58131 · Substantial damage
  > The loss of engine power due to leaking internal carburetor seals, resulting from improper repair of the carburetor by an acft repair station.
- [NTSB MIA93LA014](https://openairdocs.org/ntsb/MIA93LA014.md): Bell 47-G3-B1 · Palm Beach, FL · Accident · Minor injuries · Limited investigation · Final report · Nov 4, 1992 · N94720 · Substantial damage
  > The pilot's inadequate preflight planning. A factor was the pilot's failure to maintain rotor RPM during the autorotation.
- [NTSB NYC92LA159](https://openairdocs.org/ntsb/NYC92LA159.md): Bell 47G-3B-1 · West Mifflin, PA · Accident · No injuries · Limited investigation · Final report · Aug 12, 1992 · N2070P · Substantial damage
  > A yaw for unknown reason(s) which resulted in the tail rotor contacting the dirt bank and a loss of control. A factor related to the accident was the decision of the pilot to operate in close vicinity to the dirk bank.

## 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") = 1992
  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=1992

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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.