# NTSB investigations: Allison 250-C20 series, 1996

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 SEA97LA032](https://openairdocs.org/ntsb/SEA97LA032.md): Hughes 369D · Forks, WA · Accident · Serious injuries · Limited investigation · Final report · Nov 16, 1996 · N5225C · Substantial damage
  > fuel contamination, which resulted in loss of engine power. Factors relating to the accident included: improper servicing of the helicopter, and a lack of suitable terrain for an emergency landing due to the proximity of trees.
- [NTSB FTW97LA030](https://openairdocs.org/ntsb/FTW97LA030.md): Bell 206B-3 · Creole, LA · Accident · No injuries · Limited investigation · Final report · Oct 31, 1996 · N2043B · Substantial damage
  > the pilot's inadequate preflight by failing to remove the 100 foot long line and the external cargo basket from the helicopter before takeoff, and/or his failure to ensure that clearance/altitude was maintained from the fence.
- [NTSB CHI97LA008](https://openairdocs.org/ntsb/CHI97LA008.md): Hughes 369E · Hesston, KS · Accident · No injuries · Limited investigation · Final report · Oct 15, 1996 · N504AP · Substantial damage
  > the pilot selected unsuitable terrain for landing. The factors involved were: an inoperative landing light, dusk light conditions, and the terrain condition.
- [NTSB MIA96TA236](https://openairdocs.org/ntsb/MIA96TA236.md): Bell 206B III · Flamingo, FL · Accident · No injuries · Final report · Sep 30, 1996 · N2113Z · Substantial damage
  > the wire strike protection guide became entangled in a mangrove branch which resulted in helicopter control not being maintained.
- [NTSB SEA96LA165](https://openairdocs.org/ntsb/SEA96LA165.md): Bell 206B · Warren, ID · Accident · 1 fatal · Limited investigation · Final report · Jul 24, 1996 · N750LT · Destroyed
  > the pilot's improper remedial action after helicopter's right skid became snagged by a log that was used in the construction of a temporary landing site. Factors relating to the accident were: the pilot's selection of an unsuitable landing area, inadequate…
- [NTSB ANC96TA092](https://openairdocs.org/ntsb/ANC96TA092.md): Hughes 369D · Ketchikan, AK · Accident · No injuries · Final report · Jun 26, 1996 · N5125Q · Substantial damage
  > The pilot's failure to maintain control of the helicopter. The pilot's selection of unsuitable terrain for landing was a factor in the accident.
- [NTSB FTW96LA274](https://openairdocs.org/ntsb/FTW96LA274.md): Hughes 369HE · Las Cruces, NM · Accident · No injuries · Limited investigation · Final report · Jun 24, 1996 · N521TC · Substantial damage
  > the pilot's failure to maintain clearance between the tail rotor and a fence while hovering.
- [NTSB FTW96LA147](https://openairdocs.org/ntsb/FTW96LA147.md): Bell 206BIII · Houma, LA · Accident · Minor injuries · Limited investigation · Final report · Mar 12, 1996 · N115FH · Substantial damage
  > the pilot's attempted maneuver which exceeded the dynamic capability of the helicopter.
- [NTSB LAX96LA104](https://openairdocs.org/ntsb/LAX96LA104.md): Bell 206BIII · Kamuela, HI · Accident · No injuries · Limited investigation · Final report · Feb 1, 1996 · N90194 · Substantial damage
  > failure of the nose case (No.1) bearing resulting in oil starvation.
- [NTSB MIA96WA070](https://openairdocs.org/ntsb/MIA96WA070.md): Bell 206 · Exuma, Bahamas · Accident · Minor injuries · Foreign investigation · Jan 20, 1996 · N87JH · 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 year(c."eventDate") = 1996
  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=1996

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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.