# NTSB investigations: Allison 250 SER 250HP, 2003

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 FTW04FA029](https://openairdocs.org/ntsb/FTW04FA029.md): Bell 407 · High Island 573 · Accident · 1 fatal · Field investigation · Final report · Dec 1, 2003 · N457PH · Destroyed
  > The loss of engine power due to the failure of the 3rd stage turbine wheel and subsequent catastrophic failure of the turbine assembly.
- [NTSB FTW04CA030](https://openairdocs.org/ntsb/FTW04CA030.md): Bell 206L1 · Paris, AR · Accident · Minor injuries · Data collection · Final report · Nov 29, 2003 · N103AE · Substantial damage
  > The pilot's failure to remove the main rotor tiedown prior to engine startup. Contributing factors were the pressure induced by conditions/events, improper preflight of the aircraft, and dark night conditions,
- [NTSB SEA04LA005](https://openairdocs.org/ntsb/SEA04LA005.md): Bell 206B · Swisshome, OR · Accident · 2 fatal · Limited investigation · Final report · Oct 14, 2003 · N86W · Substantial damage
  > The pilot's failure to maintain clearance from power lines while maneuvering. The power line, mountainous terrain with high obstructions (thick trees and underbrush) and the operators failure to maintain a "hazard map" as indicated in their procedures manual…
- [NTSB CHI03FA259](https://openairdocs.org/ntsb/CHI03FA259.md): Bell 206L-3 · E.I. 276, LA · Accident · 3 fatal · Field investigation · Final report · Aug 13, 2003 · N41128 · Substantial damage
  > The inadequate compensation for crosswind conditions and the directional control not obtained/maintained by the pilot during takeoff. Contributing factors were the crosswind and the planned approach to position the helicopter with a crosswind in order to…
- [NTSB ANC03LA082](https://openairdocs.org/ntsb/ANC03LA082.md): Hughes 369D · Ketchikan, AK · Accident · Minor injuries · Limited investigation · Final report · Jul 21, 2003 · N1091S · Substantial damage
  > The improper installation of a bolt in the gas generator governor linkage by company maintenance personnel, which resulted in a loss of the bolt, a loss of engine power while maneuvering, and subsequent forced landing and collision with trees. Factors…
- [NTSB CHI03LA196](https://openairdocs.org/ntsb/CHI03LA196.md): Bell 206B3 · Lansing, IL · Accident · No injuries · Limited investigation · Final report · Jul 2, 2003 · N52L · Substantial damage
  > The dynamic rollover encountered by the pilot. Factors were the inadequate remedial action by the pilot due to his failure to prevent the rollover, and the inadequate facility with regard to the design of the landing platform.

## 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") = 2003
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03002', '03003'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03002&year=2003

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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.