# NTSB investigations: Allison 250 SER 400HP, 1983

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 ANC84LA012](https://openairdocs.org/ntsb/ANC84LA012.md): Bell 206-B · Kodiak, AK · Accident · Serious injuries · Limited investigation · Final report · Oct 30, 1983 · N90188 · Destroyed
  > While inspecting a transmission wire tower, the left skid became entangled with the power line guide. This pulled the helicopter out of CG. While the plt was trying to correct the problem, the m/r blade contacted the tower & struck the tail boom separating…
- [NTSB MKC83LA149](https://openairdocs.org/ntsb/MKC83LA149.md): Hughes 369HS · Springfield, MO · Accident · No injuries · Limited investigation · Final report · Jul 9, 1983 · N500PA · Substantial damage
  > The plt reported that he had made a practice autorotation with a full power recovery & was landing when the accident occurred. He said the helicopter touched down hard, tail 1st, and rocked forward. The helicopter remained upright, but the main rotors struck…
- [NTSB ANC83FA066](https://openairdocs.org/ntsb/ANC83FA066.md): Bell 206B · Stony River, AK · Accident · Serious injuries · Field investigation · Final report · Apr 6, 1983 · N376KA · Substantial damage
  > The plt was on an external load operation with a 100 ft long line. The long line had 4 remote hooks, of which, 3 had cable bags attached. While waiting for the 4th bag to be filled, he decided to land in an open area. He set the external load down & laid the…
- [NTSB FTW83LA099](https://openairdocs.org/ntsb/FTW83LA099.md): Bell 206L-1 · Grand Isle B43q · Accident · Minor injuries · Limited investigation · Final report · Jan 27, 1983 · N5012T · Substantial damage
  > Due to the location of a gas separator, the plt started to takeoff from an oil rig platform with a left cross- wind at aprx 30 KTS, gusting 35 to 40 KTS. After lifting off to a hover, wind gusts were encountered. The plt reported that the acft turned 10 to 15…
- [NTSB DEN83FA045](https://openairdocs.org/ntsb/DEN83FA045.md): Bell 206B III · Sula, MT · Accident · 1 fatal · Field investigation · Final report · Jan 6, 1983 · N55LW · Substantial damage
  > The helicopter crashed tail low and rolled over in an open field during marginal weather. The pilot was flying on an expired student certificate and expired medical. According to a pilot who had worked with him the pilot had no helicopter rating. Witnesses…

## 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") = 1983
  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=1983

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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.