# NTSB investigations: Allison 250-C20 series, 1993

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 LAX94LA041](https://openairdocs.org/ntsb/LAX94LA041.md): Hughes 369D · Pacific Ocean (Pacific Ocean) · Accident · 2 fatal · Limited investigation · Final report · Nov 7, 1993 · N5172K · Destroyed
  > An undetermined event that resulted in the accident.
- [NTSB FTW93GA269](https://openairdocs.org/ntsb/FTW93GA269.md): Bell 206B · Wht Sands Mr, NM · Accident · No injuries · Final report · Sep 29, 1993 · N39049 · Substantial damage
  > The pilot's failure to land an adequate distance away from the unsecured parachute.
- [NTSB LAX93LA375](https://openairdocs.org/ntsb/LAX93LA375.md): Bell 206B · Pacific Ocean (Pacific Ocean) · Accident · 2 fatal · Limited investigation · Final report · Sep 22, 1993 · N285CA · Destroyed
  > a loss of engine power for undetermined reasons.
- [NTSB LAX93LA319](https://openairdocs.org/ntsb/LAX93LA319.md): Hiller UH-12E · Dixon, CA · Accident · Serious injuries · Limited investigation · Final report · Aug 11, 1993 · N100LM · Destroyed
  > the failure of the pilot to visually detect and avoid the guy wire.
- [NTSB LAX93LA249](https://openairdocs.org/ntsb/LAX93LA249.md): Hughes 369D · Kahului, HI · Accident · No injuries · Limited investigation · Final report · Jun 11, 1993 · N1113L · Substantial damage
  > The failure of the pilot to maintain adequate ground obstruction clearance while engaged in a cattle herding operation.
- [NTSB FTW93TA#03](https://openairdocs.org/ntsb/FTW93TA%2303.md): Bell 206B · Dallas, TX · Accident · No injuries · Final report · Mar 16, 1993 · N3211N · Substantial damage
- [NTSB LAX93LA132](https://openairdocs.org/ntsb/LAX93LA132.md): Hughes 369D · Kahului, HI · Accident · Serious injuries · Limited investigation · Final report · Feb 22, 1993 · N58240 · Substantial damage
  > The pilots failure to maintain an adequate visual lookout for obstructions while performing a low altitude surveillance operation in a mountainous area, and, his failure to select an altitude sufficient to ensure clearance from all potential obstacles.

## 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") = 1993
  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=1993

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