# NTSB investigations: Allison 250 SER 317HP, FL

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 MIA95TA188](https://openairdocs.org/ntsb/MIA95TA188.md): McDonnell Douglas H369 · Panama City, FL · Accident · No injuries · Final report · Jul 21, 1995 · N129BC · Substantial damage
  > The pilot-in-command's improper aft application of cyclic control during a simulated touchdown autorotation on landing flare touchdown, resulting in the main rotor blades colliding with the tail boom assembly. Contributing to the accident was the improper…
- [NTSB MIA95LA044](https://openairdocs.org/ntsb/MIA95LA044.md): Bell 206B · Miami, FL · Accident · No injuries · Limited investigation · Final report · Dec 20, 1994 · N163BH · Substantial damage
  > Inadequate supervision by the pilot-in-command (CFI) for failure to note reduction in clearance between the tail rotor and an embankment.
- [NTSB MIA77FLA31](https://openairdocs.org/ntsb/MIA77FLA31.md): Hughes 369HS · Bunnell, FL · Accident · No injuries · Closed · Jun 6, 1977 · N9081F · 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" = 'FL' 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 ('03011'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

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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.