# NTSB investigations: Allison 250 SER 317HP, 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 FTW83LA369](https://openairdocs.org/ntsb/FTW83LA369.md): Bell 206B · Grand Isle Blk · Accident · No injuries · Limited investigation · Final report · Aug 4, 1983 · N39114 · Substantial damage
  > While flaring to land on an off-shore platform, the plt noted a sudden vibration. He continued the landing; however, by the time the helicopter touched down, the vibration became severe & the acft turned to the right. An exam revealed that a midspan balance…
- [NTSB LAX83FA287](https://openairdocs.org/ntsb/LAX83FA287.md): Bell 206B · Temecula, CA · Accident · Minor injuries · Field investigation · Final report · Jun 14, 1983 · N5754M · Substantial damage
  > The plt took off on a demonstration flt to familiarize the passengers with the helicopter. He reported that after takeoff, he proceeded northeast at about 100 to 150 ft AGL & 80 KTS in wind that was from the west at 25 gusting 30 KTS. After traveling about 3…

## 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 ('03011'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03011&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.