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

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 GAA17CA436](https://openairdocs.org/ntsb/GAA17CA436.md): Bell 47G 3B · Toterville, IA · Accident · No injuries · Data collection · Final report · Jul 24, 2017 · N47AH · Substantial damage
  > The pilot’s failure to maintain rotor rpm while maneuvering at low altitude with low airspeed and a tailwind.
- [NTSB CEN12CA435](https://openairdocs.org/ntsb/CEN12CA435.md): Bell 47G-3B-2 · Treynor, IA · Accident · No injuries · Data collection · Final report · Jul 9, 2012 · N2919W · Substantial damage
  > The pilot’s improper fuel management, which resulted in a loss of engine power due to fuel exhaustion.
- [NTSB CHI93LA305](https://openairdocs.org/ntsb/CHI93LA305.md): Bell 47G-3B · Clarinda, IA · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 1993 · N8480E · Destroyed
  > The commercial pilot's failure to maintain adequate clearance from obstacles during aerial application maneuvers.

## 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 c."eventStateOrRegion" = 'IA' AND c."eventCountry" = 'USA'
  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&state=IA

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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.