# NTSB investigations: Allison 250 SER 250HP, 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 ATL04TA137](https://openairdocs.org/ntsb/ATL04TA137.md): Bell 206B · Graysville, AL · Accident · No injuries · Final report · Jun 22, 2004 · N3902W · Destroyed
  > The pilot's inadequate compensation for a tailwind and his failure to maintain directional control resulting in a loss of tail rotor effectiveness. A factor was the pilot's improper in-flight decision to hover with a tailwind.
- [NTSB MIA00FA003](https://openairdocs.org/ntsb/MIA00FA003.md): Bell 206B · Centreville, AL · Accident · 2 fatal · Field investigation · Final report · Oct 5, 1999 · N1285S · Destroyed
  > The pilot's inadequate preflight inspection of the helicopter's fuel system resulting in an in-flight loss of engine power due to fuel exhaustion as a result of overboard porting of fuel when the airframe fuel filter was left in the 'drain and locked'…
- [NTSB MIA99LA107](https://openairdocs.org/ntsb/MIA99LA107.md): Fairchild Hiller FH-1100 · Opp, AL · Accident · No injuries · Limited investigation · Final report · Mar 16, 1999 · N547FH · Substantial damage
  > a loss of engine power due to the failure of the engine to transmission drive shaft flex coupling, resulting in an in-flight collision with a vehicle.
- [NTSB ATL94LA014](https://openairdocs.org/ntsb/ATL94LA014.md): Bell 47G-3B-1 Soloy · Atmore, AL · Accident · No injuries · Limited investigation · Final report · Nov 12, 1993 · N3078G · Substantial damage
  > The pilot's inadequate pre-flight inspection. Factors were the lack of a filter on the refueling pump which would preclude water passage, and the high trees.
- [NTSB MIA72KKJ07](https://openairdocs.org/ntsb/MIA72KKJ07.md): Hiller FH1100 · Birmingham, AL · Accident · Minor injuries · Closed · Jul 17, 1971 · N5058F · 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 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 ('03002', '03003'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03002&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.