# NTSB investigations: Pratt & Whitney Canada PT6A-60A, 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 WPR25FA240](https://openairdocs.org/ntsb/WPR25FA240.md): Beech 300 · Chinle, AZ · Accident · 4 fatal · Class 3 · Field · Preliminary report · Aug 5, 2025 · N534AW · Destroyed
  > On August 5, 2025, about 1245 mountain daylight time, a Beech 300, N534AW, was destroyed when it was involved in an accident near Chinle, Arizona. The pilot, co-pilot and two medical crew members were fatally injured. The airplane was operated as a Title 14…
- [NTSB WPR25LA218](https://openairdocs.org/ntsb/WPR25LA218.md): Cessna 425 · Round Rock, AZ · Accident · No injuries · Class 3 · Limited · Preliminary report · Jul 17, 2025 · N425D · Substantial damage
  > On July 17, 2025, about 1600 mountain daylight time, a Cessna 425, N425D, was substantially damaged when it was involved in an accident near Round Rock, Arizona. The pilot receiving instruction and the flight instructor were not injured. The airplane was…
- [NTSB WPR17FA057](https://openairdocs.org/ntsb/WPR17FA057.md): Beech 300 · Tucson, AZ · Accident · 2 fatal · Field investigation · Final report · Jan 23, 2017 · N385KA · Destroyed
  > The pilot's exceedance of the airplane's critical angle of attack during takeoff, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's impairment by the effects of a combination of psychoactive substances.
- [NTSB WPR13FA115](https://openairdocs.org/ntsb/WPR13FA115.md): Beech E90 · Casa Grande, AZ · Accident · 2 fatal · Field investigation · Final report · Feb 6, 2013 · N555FV · Destroyed
  > The pilot’s loss of control of the airplane after pitching it excessively nose up during a go-around, which resulted in a subsequent aerodynamic stall/spin.
- [NTSB LAX02LA030](https://openairdocs.org/ntsb/LAX02LA030.md): Beech C-99 · Flagstaff, AZ · Accident · No injuries · Limited investigation · Final report · Nov 29, 2001 · N228BH · Substantial damage
  > The pilot's failure to maintain adequate airspeed and his failure to maintain directional control. Contributing factors were the icing conditions, icing, and the improper use of the anti-ice/deicing equipment.
- [NTSB LAX98LA129](https://openairdocs.org/ntsb/LAX98LA129.md): Ayres S2RT-34RE · Buckeye, AZ · Accident · No injuries · Limited investigation · Final report · Mar 25, 1998 · N4010X · Substantial damage
  > The incorrect turbine blades installed on the engine, the fractured compressor turbine blades and separation of the blade, and the improper maintenance installation of the incorrect CT blades by the repair station. A factor in the accident was the inadequate…
- [NTSB LAX97LA247](https://openairdocs.org/ntsb/LAX97LA247.md): Sikorsky S-58T · Page, AZ · Accident · No injuries · Limited investigation · Final report · Jul 18, 1997 · N47B · Substantial damage
  > an engine failure resulting from the fracture of two power turbine blades, which had been previously subjected to a hot or hung start.
- [NTSB LAX97LA182](https://openairdocs.org/ntsb/LAX97LA182.md): Ayres S2R-T-34 · Tonopah, AZ · Accident · No injuries · Limited investigation · Final report · May 8, 1997 · N4011G · Substantial damage
  > the failure of the power turbine due to an overtemperature condition created by an improperly adjusted fuel control. A factor in the accident was the tripped circuit breaker which prevented the wing lights from operating during the forced night landing.

## 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 ('52043', '51999'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52043&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.