# NTSB investigations: AiResearch TPE331 series, AL

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 ATL04FA049](https://openairdocs.org/ntsb/ATL04FA049.md): Cessna 441 · Vestavia Hills, AL · Accident · 2 fatal · Field investigation · Final report · Dec 10, 2003 · N441W · Destroyed
  > The pilot's failure to maintain adequate airspeed during climb in icing conditions, which resulted in an inadvertent stall / spin of the airplane and subsequent uncontrolled descent and collision with terrain. A factor was the accumulation of airframe ice.
- [NTSB ATL85LKG08](https://openairdocs.org/ntsb/ATL85LKG08.md): Schweizer AG CAT · Samson, AL · Accident · No injuries · Final report · Jul 26, 1985 · N3629K · Substantial damage
  > The acft was damaged in a forced lndg after a pwr loss during a swath run. During the ldg a pwr line was struck and the acft was pulled sideways which caused a groundloop and resulted in damages. Lyon flying services of welsh la dismantled the eng & found no…
- [NTSB MIA78FA079](https://openairdocs.org/ntsb/MIA78FA079.md): Swearingen 226-TC · Muscle Shoals, AL · Incident · No injuries · Closed · May 8, 1978 · N70A · Minor damage
- [NTSB MIA77DKJ02](https://openairdocs.org/ntsb/MIA77DKJ02.md): Aero Comdr 690A · Fayette, AL · Accident · No injuries · Closed · Oct 13, 1976 · N123G · 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 c."eventStateOrRegion" = 'AL' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('01514', '01517'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=01514&state=AL

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