# NTSB investigations: Allison 250 SER 400HP, 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 CHI94GA038](https://openairdocs.org/ntsb/CHI94GA038.md): Hughes 369HS · Antonia, MO · Accident · 1 fatal · Final report · Nov 19, 1993 · N9179F · Substantial damage
  > The pilot's failure to maintain proper altitude. A factor was the dark night.
- [NTSB ANC93T#A05](https://openairdocs.org/ntsb/ANC93T%23A05.md): Bell BH-206B · Kantishna, AK · Incident · No injuries · Class 3 · Final report · Aug 17, 1993 · N59387 · Minor damage
- [NTSB ATL93FA127](https://openairdocs.org/ntsb/ATL93FA127.md): Hughes 369HS · Talladega, AL · Accident · 1 fatal · Field investigation · Final report · Jul 12, 1993 · N9116F · Substantial damage
  > The pilot's poor in-flight decision to land downwind in a confined area that was surrounded by high obstructions, and his failure to properly compensate for the tailwind condition. A factor related to the accident was: the pilot's lack of total experience in…
- [NTSB LAX93LA258](https://openairdocs.org/ntsb/LAX93LA258.md): Bell 206B3 · Stoneyford, CA · Accident · No injuries · Limited investigation · Final report · Jun 17, 1993 · N38EA · Substantial damage
  > the pilot's inadequate compensation for the existing wind conditions during a hover operation. A factor in the accident was the high density altitude and the gusting, variable wind conditions.
- [NTSB FTW93LA090](https://openairdocs.org/ntsb/FTW93LA090.md): Bell 206B · Oklahoma City, OK · Accident · Minor injuries · Limited investigation · Final report · Feb 23, 1993 · N224TV · Substantial damage
  > The passengers inadvertent control interference. A factor was the pilot's inadequate supervision of the passenger

## 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 ('03013', '03012'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03013&year=1993

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