# NTSB investigations: Allison 250 SER 400HP, 2016

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 GAA16CA408](https://openairdocs.org/ntsb/GAA16CA408.md): Bell Helicopter Textron 206 · Modesto, CA · Accident · No injuries · Data collection · Final report · Jul 30, 2016 · N206LW · Substantial damage
  > The pilot's failure to maintain pitch control during an autorotation, which resulted in abnormal ground contact and main rotor contact with the tail boom. Contributing to the accident was the low fuel level which resulted in fuel starvation and a loss of…
- [NTSB ERA16CA160](https://openairdocs.org/ntsb/ERA16CA160.md): Bell 206 · Baltimore, MD · Accident · No injuries · Data collection · Final report · Apr 16, 2016 · N326AC · Destroyed
  > The pilot's inadequate compensation for the wind while hovering out of ground effect, which resulted in a loss of tail rotor effectiveness.
- [NTSB ERA16FA144](https://openairdocs.org/ntsb/ERA16FA144.md): Bell 206 · Pigeon Forge, TN · Accident · 5 fatal · Field investigation · Final report · Apr 4, 2016 · N16760 · Destroyed
  > An inflight loss of engine power due to a failure of the engine fuel pump, which resulted in a collision with trees and terrain during the subsequent autorotation. The failure of the engine fuel pump resulted from the absence of adequate grease leading to…
- [NTSB GAA16CA165](https://openairdocs.org/ntsb/GAA16CA165.md): Bell 206B · Hanford, CA · Accident · Minor injuries · Data collection · Final report · Mar 26, 2016 · N52Q · Substantial damage
  > The pilot's decision to release the collective while flying at 10 feet above ground level, resulting in the rapid helicopter descent and impact with terrain.

## 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") = 2016
  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=2016

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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.
