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

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 ATL00LA086](https://openairdocs.org/ntsb/ATL00LA086.md): Bell 47G-3B-2 · Pine Hill, AL · Accident · No injuries · Limited investigation · Final report · Sep 9, 2000 · N2243W · Substantial damage
  > The pilot's failure to adequately preflight the helicopter, which resulted in his failure to remove the tie down.
- [NTSB MIA99LA217](https://openairdocs.org/ntsb/MIA99LA217.md): Bell 47G-B3 · Selma, AL · Accident · No injuries · Limited investigation · Final report · Aug 8, 1999 · N6712D · Substantial damage
  > The pilot's failure to maintain the proper touchdown point during landing causing the landing skid to become entangled with the edge of the helipad platform and the resultant rollover and main rotor blade strike of the tow vehicle.
- [NTSB ATL90LA030](https://openairdocs.org/ntsb/ATL90LA030.md): Bell 47G-3B1 · Ewell, AL · Accident · Serious injuries · Limited investigation · Final report · Nov 25, 1989 · N1358X · Substantial damage
  > The loss of engine power, for undetermined reasons, at low altitude during a practice autorotation. Contributing to the accident was the instructor's failure to properly plan the demonstrated autorotation so as to preclude an accident, in the event that power…
- [NTSB ATL86LA138](https://openairdocs.org/ntsb/ATL86LA138.md): Bell 47G-3B · Red Bay, AL · Accident · No injuries · Limited investigation · Final report · May 19, 1986 · N73269 · Substantial damage
  > The pilot had completed a dispensing operation and was returning to the ag staging area to refuel. As the helicopter hovered towards the parked refueling vehicle, the main rotor blades struck a metal structure attached to the truck. The pilot stated that the…
- [NTSB ATL82DA179](https://openairdocs.org/ntsb/ATL82DA179.md): Bell 47G-3B-1 · Headland, AL · Accident · Minor injuries · Final report · Jun 28, 1982 · N12437 · Substantial damage
  > The pilot was positioning the aircraft for refueling when the main rotor contacted the fuel meter. There was substantialdamage to the helicopter and minor injuries to the chemical loader.
- [NTSB MIA67A0111](https://openairdocs.org/ntsb/MIA67A0111.md): Bell 47G-3B · Athens, AL · Accident · Serious injuries · Closed · Apr 24, 1967 · N8494E · Destroyed

## 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" = 'AL' 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=AL

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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.