# NTSB investigations: Allison 250 SER 400HP, 1990

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 FTW90GA185](https://openairdocs.org/ntsb/FTW90GA185.md): Hughes 369HS · New Orleans, LA · Accident · No injuries · Final report · Sep 21, 1990 · N71552 · Substantial damage
  > The pilot's failure to maintain rotor RPM. A factor in the accident was the lose of engine power due to fuel starvation.
- [NTSB FTW90LA172](https://openairdocs.org/ntsb/FTW90LA172.md): Bell B206BIII · Cameron, LA · Accident · Minor injuries · Limited investigation · Final report · Aug 30, 1990 · N59558 · Substantial damage
  > The pilot's failure to jettison the external load.
- [NTSB NYC90LA189](https://openairdocs.org/ntsb/NYC90LA189.md): Bell 206 · Athens, OH · Accident · Serious injuries · Limited investigation · Final report · Aug 7, 1990 · N49651 · Substantial damage
  > The pilot's failure to visually acquire and maintain clearance from the powerline(s). Contributing to the accident was the adverse weather conditions.
- [NTSB SEA90LA081](https://openairdocs.org/ntsb/SEA90LA081.md): Hughes 369D · Kelso, WA · Accident · 1 fatal · Limited investigation · Final report · May 21, 1990 · N8306F · No damage
  > Failure of the pilot to keep the external load clear of obstacles (trees). Factors related to the accident were: failure of the pilot and ground crewman to follow safety procedures, and the proximity of the trees.
- [NTSB LAX90LA162](https://openairdocs.org/ntsb/LAX90LA162.md): Hughes 369C · Kahului, HI · Accident · No injuries · Limited investigation · Final report · May 4, 1990 · N9219F · Substantial damage
  > The pilots failure to ensure that adequate room existed to position the helicopter on the landing platform. Contributing to the accident was the failure of ground personnel to ensure that hazards to the landing helicopter were clear of the landing area.
- [NTSB LAX90TL#03](https://openairdocs.org/ntsb/LAX90TL%2303.md): Bell 206B · La Verne, CA · Accident · Minor injuries · Class 3 · Final report · May 3, 1990 · N59560 · Substantial damage
- [NTSB FTW90LA095](https://openairdocs.org/ntsb/FTW90LA095.md): Hughes 369HS · Junction, TX · Accident · No injuries · Limited investigation · Final report · Apr 15, 1990 · N9138F · Substantial damage
  > The pilot in command's inadequate execution of the autorotation following a engine failure which resulted from his failure to refuel the aircraft with the proper grade of fuel when he ran short during the flight.

## 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") = 1990
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03013', '03012'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03013&year=1990

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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.