# NTSB investigations: AiResearch TPE331 series: In flight encounter with weather

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 DEN06MA119](https://openairdocs.org/ntsb/DEN06MA119.md): Mitsubishi MU-2B-35 · Argyle, FL · Accident · 1 fatal · Major investigation · Final report · Sep 1, 2006 · N6569L · Destroyed
  > the pilot's inadvertent flight into thunderstorm activity that resulted in the loss of control, design limits of the airplane being exceeded and subsequent in-flight breakup. A contributing factor was the failure of air traffic control to use available radar…
- [NTSB NYC06MA208](https://openairdocs.org/ntsb/NYC06MA208.md): Mitsubishi MU-2B-40 · Bunnell, FL · Accident · 2 fatal · Major investigation · Final report · Aug 25, 2006 · N171MA · Destroyed
  > The pilot's inadvertent encounter with thunderstorms.
- [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 ATL02FA031](https://openairdocs.org/ntsb/ATL02FA031.md): Cessna 441 · Rio Grande, PR · Accident · 5 fatal · Field investigation · Final report · Jan 5, 2002 · N441AW · Destroyed
  > The pilot continued visual flight flight into instrument flight conditions resulting in an in-flight collision with terrain. Low clouds were a factor.
- [NTSB BFO93FA049](https://openairdocs.org/ntsb/BFO93FA049.md): British Aerospace BAE 3101 · Beckley, WV · Accident · Minor injuries · Field investigation · Final report · Mar 18, 1993 · N159PC · Substantial damage
  > Failure of the captain to assure proper alignment with the plowed portion of the runway (or perform a missed approach). Factors related to the accident were: darkness, the adverse weather condition, inadequate removal of snow from the runway with snow along…
- [NTSB DEN84MA266](https://openairdocs.org/ntsb/DEN84MA266.md): Aero Commander 690 · Little America, WY · Accident · 4 fatal · Major investigation · Final report · Aug 25, 1984 · N9150N · Destroyed
  > About 10 min after takeoff at 1005 MDT, the plt was cleared to climb to FL 190. This was atc's last communication with the acft. At 1030:39, the controller attempted to contact the plt to advise that he had lost radar contact & to recycle the transponder &…
- [NTSB DCA84AA022](https://openairdocs.org/ntsb/DCA84AA022.md): Mitsubishi MU-2B-60 · Burlington, CT · Accident · 1 fatal · Final report · Apr 20, 1984 · N466MA · Destroyed
  > The acft was flown earlier in the day for a sales demonstration. On the return flt, when the landing gear were lowered, the plt thought he heard a noise emitting from the gear, although cockpit indications were normal. The acft landed at johnnycake arpt & was…
- [NTSB LAX83FA083](https://openairdocs.org/ntsb/LAX83FA083.md): Mitsubishi MU-2B-60 · Scottsdale, AZ · Accident · 6 fatal · Field investigation · Final report · Jan 28, 1983 · N440MA · Destroyed
  > The acft diverted from Scottsdale AZ to a flt course to sedona because of thunderstorms & high winds at Scottsdale, but after a radio conversation with Scottsdale twr, the plt decided to reroute to land at Scottsdale. The plt did not read back the weather…

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('01514', '01517')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 240))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=01514&occurrence=240

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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.