# NTSB investigations: Allison 250-C30 series, 2013

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 CEN14FA004](https://openairdocs.org/ntsb/CEN14FA004.md): Bell 206L 3 · Venice, LA · Accident · 1 fatal · Field investigation · Final report · Oct 9, 2013 · N54LP · Substantial damage
  > A total loss of engine power due to the liberation of a second stage turbine blade near the blade root due to a high-cycle fatigue crack and subsequent overload. Although extensive testing and materials analysis was performed, the reason for crack initiation…
- [NTSB CEN13TA535](https://openairdocs.org/ntsb/CEN13TA535.md): Bell 206L-3 · Amistad, NM · Accident · Minor injuries · Final report · Sep 7, 2013 · N721LL · Substantial damage
  > The pilot's failure to arrest the descent following an abrupt maneuver to avoid birds, which resulted in an impact with terrain.
- [NTSB CEN13CA276](https://openairdocs.org/ntsb/CEN13CA276.md): Bell 206-L4 · Fort Worth, TX · Accident · No injuries · Data collection · Final report · May 10, 2013 · N2036F · Substantial damage
  > The flight instructor's inadequate supervision and delayed remedial action during a practice autorotation, which resulted in a hard landing.
- [NTSB CEN13LA310](https://openairdocs.org/ntsb/CEN13LA310.md): Bell Helicopter Textron 206L-1 · La Junta, CO · Accident · No injuries · Limited investigation · Final report · May 7, 2013 · N20Z · Substantial damage
  > The pilot's inadequate compensation for wind during low-altitude operations, which resulted in a loss of tail rotor effectiveness.

## 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") = 2013
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03015'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03015&year=2013

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