# NTSB investigations: Allison 250-C20C

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 ERA20CA184](https://openairdocs.org/ntsb/ERA20CA184.md): Bell OH-58C · Livingston, NY · Accident · No injuries · Class 4 · Data collection · Final report · May 14, 2020 · N183MP · Substantial damage
  > The pilot's failure to maintain obstacle clearance while maneuvering at low altitude at night, which resulted in the helicopter striking a tree.
- [NTSB CEN15LA002](https://openairdocs.org/ntsb/CEN15LA002.md): Bell 206B · Woodsboro, TX · Accident · Serious injuries · Limited investigation · Final report · Oct 2, 2014 · N49746 · Substantial damage
  > The pilot’s failure to recognize and correct for flight conditions conducive to a loss of tail rotor effectiveness, which resulted in a rapid, uncommanded right yaw and subsequent hard landing.
- [NTSB FTW81DRA33](https://openairdocs.org/ntsb/FTW81DRA33.md): Bell 206B · Gulf Of Mexico (Atlantic Ocean) · Accident · No injuries · Closed · May 19, 1981 · N49746 · 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03082'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03082

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