# NTSB investigations: AiResearch TPE331 series, AZ

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 WPR26LA080](https://openairdocs.org/ntsb/WPR26LA080.md): Fairchild SA227-AC · Prescott, AZ · Accident · No injuries · Class 3 · Limited · Preliminary report · Jan 13, 2026 · N370AE · Substantial damage
  > On January 13, 2026, about 0624 mountain standard time, a Fairchild SA227-AC airplane, N370AE, was substantially damaged when it was involved in an accident near Prescott Municipal Airport (PRC), Prescott, Arizona. The pilot was not injured. The airplane was…
- [NTSB WPR17LA030](https://openairdocs.org/ntsb/WPR17LA030.md): Aero Commander 690 · Scottsdale, AZ · Accident · No injuries · Limited investigation · Final report · Dec 1, 2016 · N9175N · Substantial damage
  > The pilot’s loss of directional control during the landing roll, which resulted in the runway excursion onto the rock-covered runway safety area.
- [NTSB WPR10CA439](https://openairdocs.org/ntsb/WPR10CA439.md): Ayres S2R-G10 · Ligurta, AZ · Accident · Serious injuries · Data collection · Final report · Aug 31, 2010 · N6125X · Substantial damage
  > The pilot's failure to maintain clearance from rising terrain. Contributing to the accident was the pilot's decision to orient the application tracks so that they did not provide the maximum possible clearance from the rising terrain, and, the predawn…
- [NTSB LAX05TA226](https://openairdocs.org/ntsb/LAX05TA226.md): Ayres S2R-G10 · Wickenburg, AZ · Accident · Minor injuries · Final report · Jul 7, 2005 · N440AT · Substantial damage
  > the partial loss of engine power for undetermined reasons.
- [NTSB LAX99LA281](https://openairdocs.org/ntsb/LAX99LA281.md): Ayres S2R-G10 · Stanfield, AZ · Accident · Minor injuries · Limited investigation · Final report · Aug 24, 1999 · N20523 · Substantial damage
  > The pilot's delay in aborting the takeoff after noting sluggish acceleration during the takeoff roll, which resulted in a runway overrun.
- [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…
- [NTSB LAX82DUJ45](https://openairdocs.org/ntsb/LAX82DUJ45.md): Ayres S2R · Goodyear, AZ · Accident · No injuries · Final report · Sep 1, 1982 · N5611X · Substantial damage
  > The aircraft had just been loaded with spray material. The pilot stated that after taking off, he leveled off over cotton at the end of the strip and made a power reduction. At about that time, the aircraft settled into the cotton and hit an embankment. The…
- [NTSB DEN81FA067](https://openairdocs.org/ntsb/DEN81FA067.md): Swearingen SA266 · Flagstaff, AZ · Accident · No injuries · Closed · Sep 24, 1981 · N161SW · 2 aircraft · Substantial damage
- [NTSB LAX78FUJ75](https://openairdocs.org/ntsb/LAX78FUJ75.md): Grumman G-164B · Coolidge, AZ · Accident · No injuries · Closed · Jul 2, 1978 · N6729Q · 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" = 'AZ' 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=AZ

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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.