# NTSB investigations: AiResearch TPE331 series, 2001

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 CHI01LA302](https://openairdocs.org/ntsb/CHI01LA302.md): Swearingen SA226-T · West Chicago, IL · Accident · No injuries · Limited investigation · Final report · Aug 28, 2001 · N104BR · Substantial damage
  > the checklist not followed and the directional control not maintained by the pilot. A contributing factor was the left propeller’s start locks being engaged.
- [NTSB LAX01LA268](https://openairdocs.org/ntsb/LAX01LA268.md): Weatherly 620B · Winnemucca, NV · Accident · No injuries · Limited investigation · Final report · Aug 4, 2001 · N90191 · Substantial damage
  > the pilot's failure to maintain clearance with the wires while he was maneuvering for an aerial application run.
- [NTSB DEN01FA113](https://openairdocs.org/ntsb/DEN01FA113.md): Mitsubishi MU-2B-20 · Cerrillos, NM · Accident · 2 fatal · Field investigation · Final report · Jun 10, 2001 · N187AF · Destroyed
  > the pilot's loss of aircraft control inflight for reasons undetermined. Contributing factors were the pilot's inadequate transition/upgrade training and his total lack of experience in aircraft make/model.
- [NTSB FTW01FA111](https://openairdocs.org/ntsb/FTW01FA111.md): Mitsubishi MU-2B-40 · The Woodlands, TX · Accident · 2 fatal · Field investigation · Final report · May 1, 2001 · N16CG · Destroyed
  > The pilot's failure to maintain airplane control following a loss of right engine power, which resulted in impact with terrain in an uncontrolled descent. A contributing factor was the loss of right engine power as a result of the fatigue failure of the…
- [NTSB DEN01LA052](https://openairdocs.org/ntsb/DEN01LA052.md): Cessna 441 · Englewood, CO · Accident · No injuries · Limited investigation · Final report · Feb 13, 2001 · N24PT · Substantial damage
  > the pilot's failure to verify that the landing gear was down and locked before landing, which resulted in a wheels-up landing.
- [NTSB IAD01LA026](https://openairdocs.org/ntsb/IAD01LA026.md): Ayres S2R · Crewe, VA · Accident · No injuries · Limited investigation · Final report · Jan 14, 2001 · N222GK · Substantial damage
  > the loss of engine power due to the pilot's inadequate preflight planning and exhaustion of his fuel supply.

## 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") = 2001
  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&year=2001

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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.
