# NTSB investigations: Allison 250-C20 series, 2008

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 ERA09LA047](https://openairdocs.org/ntsb/ERA09LA047.md): Bell 206B · Boynton Beach, FL · Accident · Minor injuries · Limited investigation · Final report · Nov 11, 2008 · N281CB · Substantial damage
  > A loss of engine power due to an undertorqued air line fitting to the fuel control.
- [NTSB ERA09IA499](https://openairdocs.org/ntsb/ERA09IA499.md): Mcdonnell Douglas Helicopter 369E · Allentown, PA · Incident · No injuries · Incident investigation · Final report · Sep 29, 2008 · N801SB · Minor damage
  > The fatigue failure of a blade in the second-stage turbine wheel, which resulted in a total loss of engine power.
- [NTSB SEA08LA213](https://openairdocs.org/ntsb/SEA08LA213.md): Bell 206B · Woods Landing-Jelm, WY · Accident · Serious injuries · Limited investigation · Final report · Sep 27, 2008 · N59611 · Substantial damage
  > The pilot's encounter with a loss of tail rotor effectiveness event and his failure to maintain directional control while maneuvering. Contributing to the accident were the tailwind condition and the sloping, uneven terrain.
- [NTSB NYC08CA309](https://openairdocs.org/ntsb/NYC08CA309.md): Bell 206B · Eutaw, AL · Accident · No injuries · Data collection · Final report · Sep 9, 2008 · N206WA · Substantial damage
  > The pilot's inadequate preflight inspection.
- [NTSB SEA08FA071](https://openairdocs.org/ntsb/SEA08FA071.md): Mcdonnell Douglas 369E · Hilo, HI · Accident · Minor injuries · Field investigation · Final report · Feb 8, 2008 · N698DM · Substantial damage
  > A leak in the fuel filter pressure differential switch that resulted in a loss of engine power. Contributing to the accident was uneven terrain that hindered a successful emergency landing.

## 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") = 2008
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03020'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03020&year=2008

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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.