# NTSB investigations: Allison 250 SER 250HP, 1989

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 SEA89LA170](https://openairdocs.org/ntsb/SEA89LA170.md): Hughes 369D · Petersburg, AK · Accident · No injuries · Limited investigation · Final report · Sep 9, 1989 · N1088N · Substantial damage
  > The pilot failed to obtain clearance over trees. Contributing to the accident was: the aircraft being above its maximum certificated gross weight limitation and the trees.
- [NTSB MKC89LA188](https://openairdocs.org/ntsb/MKC89LA188.md): Bell 206B · Park Rapids, MN · Accident · No injuries · Limited investigation · Final report · Aug 26, 1989 · N2168S · Substantial damage
  > The pilot misjudged the clearance between the helicopter and the power line. The power line (transmission wire) was considered to be a contributing factor.
- [NTSB NYC89LA188](https://openairdocs.org/ntsb/NYC89LA188.md): Bell 206B · Nanuet, NY · Accident · No injuries · Limited investigation · Final report · Aug 10, 1989 · N16929 · Substantial damage
  > Inadequate preflight planning/preparation by the pilot, which resulted in fuel exhaustion due to an inadequate supply of fuel.
- [NTSB FTW89FA133](https://openairdocs.org/ntsb/FTW89FA133.md): Aerospatiale AS-350-D · Galveston, TX · Accident · 2 fatal · Field investigation · Final report · Jul 11, 1989 · N3595B · 2 aircraft · Destroyed
  > Failure of both pilots to see-and-avoid the other aircraft (inadequate visual lookout).
- [NTSB NYC89LA126](https://openairdocs.org/ntsb/NYC89LA126.md): Bell 206A · Bedminster, NJ · Accident · Minor injuries · Limited investigation · Final report · Apr 27, 1989 · N273E · Substantial damage
  > Off airport landing in unsuitable terrain due to an undetermined power loss.

## 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") = 1989
  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&year=1989

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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.