# NTSB investigations: Pratt & Whitney PT6A 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 WPR17LA207](https://openairdocs.org/ntsb/WPR17LA207.md): Cessna 208B · Sedona, AZ · Accident · No injuries · Limited investigation · Final report · Sep 16, 2017 · N786WW · Substantial damage
  > The pilot's failure to maintain clearance from a light pole while taxiing.
- [NTSB WPR11LA245](https://openairdocs.org/ntsb/WPR11LA245.md): Piper PA-46-310P · Lake Havasu, AZ · Accident · No injuries · Limited investigation · Final report · Jun 2, 2011 · N712MK · Substantial damage
  > The failure of the low pressure switch in the normal landing gear system, which prevented normal operation of that system, and the misrigging of the emergency extension gear release valve, which prevented the system from being depressurized to allow for the…
- [NTSB OPS10IA015](https://openairdocs.org/ntsb/OPS10IA015.md): Cessna 208B · Phoenix, AZ · Incident · No injuries · Incident investigation · Final report · Mar 20, 2010 · N992FE · 2 aircraft · No damage
  > The Cessna 208 pilot’s failure to identify the correct landing runway.
- [NTSB WPR10IA045](https://openairdocs.org/ntsb/WPR10IA045.md): Beech C-99 · Show Low, AZ · Incident · Minor injuries · Incident investigation · Final report · Nov 4, 2009 · N330AV · Minor damage
  > An in-flight collision with a bird during initial descent.
- [NTSB SEA08IA096](https://openairdocs.org/ntsb/SEA08IA096.md): Raytheon 1900D · Page, AZ · Incident · No injuries · Incident investigation · Final report · Mar 26, 2008 · N261GL · Minor damage
  > The flight crew’s unprofessional behavior and deviation from standard operating procedures which resulted in an in-flight emergency.
- [NTSB SEA08LA082](https://openairdocs.org/ntsb/SEA08LA082.md): Raytheon 1900D · Kayenta, AZ · Accident · Serious injuries · Limited investigation · Final report · Feb 22, 2008 · N305PC · Substantial damage
  > The flight crew's failure to execute a missed approach, which resulted in a runway excursion after landing. Contributing to the accident were the inoperative lights, weather conditions below published approach minimums, and the slush contaminated runway.
- [NTSB SEA07CA244](https://openairdocs.org/ntsb/SEA07CA244.md): Air Tractor AT-502B · Salome, AZ · Accident · No injuries · Data collection · Final report · Aug 30, 2007 · N8521Z · Substantial damage
  > The pilot's inadequate compensation for the tailwind condition and failure to maintain directional control during the takeoff roll/run, which resulted in a ground loop.
- [NTSB LAX07FA012](https://openairdocs.org/ntsb/LAX07FA012.md): Piper PA-42 · Prescott, AZ · Accident · 5 fatal · Field investigation · Final report · Oct 18, 2006 · N121CS · Destroyed
  > The failure of the pilot following a jet aircraft to maintain adequate separation from the high velocity jet core exhaust. The separation of the T-tail upper section vertical stabilizer of the following aircraft due to contact with the high velocity jet core…
- [NTSB LAX06CA142](https://openairdocs.org/ntsb/LAX06CA142.md): Air Tractor 502A · Stanfield, AZ · Accident · No injuries · Data collection · Final report · Apr 12, 2006 · N1539X · Substantial damage
  > the pilot's inadequate compensation for the wind conditions and failure to maintain directional control during the landing roll.
- [NTSB LAX05LA244](https://openairdocs.org/ntsb/LAX05LA244.md): Cessna 208B · Globe, AZ · Accident · Minor injuries · Limited investigation · Final report · Jul 22, 2005 · N717BT · Substantial damage
  > The fatigue failure of the compressor turbine stator vane, the liberation of vane material into the compressor turbine, and the total loss of engine power. Also causal was the operator's failure to inspect the compressor turbine vane during fuel nozzle checks.
- [NTSB LAX05LA203](https://openairdocs.org/ntsb/LAX05LA203.md): Beech C90 · Marble Canyon, AZ · Accident · Serious injuries · Limited investigation · Final report · Jun 13, 2005 · N49LL · Substantial damage
  > the pilot's failure to maintain an adequate airspeed while maneuvering during a go-around, which resulted in a stall.
- [NTSB LAX04LA043](https://openairdocs.org/ntsb/LAX04LA043.md): Cessna 208B · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Nov 13, 2003 · N717BT · Substantial damage
  > the pilot's improper decision to taxi behind another airplane conducting an engine run-up, which resulted in a jet blast encounter.
- [NTSB LAX03LA122](https://openairdocs.org/ntsb/LAX03LA122.md): Ayres S2R-T34 · Avondale, AZ · Accident · No injuries · Limited investigation · Final report · Apr 1, 2003 · N30913 · Substantial damage
  > The pilot failed to maintain adequate visual lookout and did not maintain clearance from power lines. The backhoe's location, which caused the pilot to alter his planned flight path, was a factor.
- [NTSB DEN03FA012](https://openairdocs.org/ntsb/DEN03FA012.md): Cessna 208B · Parks, AZ · Accident · 4 fatal · Field investigation · Final report · Nov 8, 2002 · N514DB · Destroyed
  > the pilot's improper in flight planning/decision making, his flight into known icing conditions, and his failure to maintain adequate airspeed which resulted in the inadvertent stall/spin and impact with terrain. Factors contributing to the accident were the…
- [NTSB LAX02LA240](https://openairdocs.org/ntsb/LAX02LA240.md): Air Tractor AT-502 · San Manuel, AZ · Accident · Minor injuries · Limited investigation · Final report · Jul 27, 2002 · N293JK · Substantial damage
  > the pilot's failure to maintain adequate airspeed while maneuvering in a box canyon, which resulted in a stall/mush. A factor in the accident was downdraft conditions that led to an uncontrolled decent.
- [NTSB LAX02LA147](https://openairdocs.org/ntsb/LAX02LA147.md): Air Tractor AT-802A · Kingman, AZ · Accident · No injuries · Limited investigation · Final report · May 2, 2002 · N90802 · Substantial damage
  > The failure of the pilot to maintain directional control during landing.
- [NTSB LAX01LA114](https://openairdocs.org/ntsb/LAX01LA114.md): Air Tractor AT-802 A · Maricopa, AZ · Accident · No injuries · Limited investigation · Final report · Mar 10, 2001 · N6059L · Substantial damage
  > Inadequate selection of landing facilities and improper placement of vehicles near the runway. An additional factor was the use of a runway which resulted in a downwind landing.
- [NTSB LAX00FA169](https://openairdocs.org/ntsb/LAX00FA169.md): Air Tractor 502A · Queen Creek, AZ · Accident · 1 fatal · Field investigation · Final report · Apr 22, 2000 · N15466 · Destroyed
  > The fatigue failure and in-flight separation of the left wing due to the manufacturer's underestimation during the aircraft design process of the time interval from fatigue crack initiation to failure, and, the manufacturer's subsequent specification of an…
- [NTSB LAX98FA013](https://openairdocs.org/ntsb/LAX98FA013.md): Beech 99-C99 · Meadview, AZ · Accident · No injuries · Field investigation · Final report · Oct 15, 1997 · N227AV · Substantial damage
  > The pilot's inadequate in-flight decision, inadequate visual lookout, and his failure to maintain adequate obstacle clearance. Contributing was low altitude flight.
- [NTSB LAX95LA283](https://openairdocs.org/ntsb/LAX95LA283.md): PZL-Mielec PZL-M-18 · Sacaton, AZ · Accident · No injuries · Limited investigation · Final report · Aug 9, 1995 · N6657C · Substantial damage
  > The loss of engine power due to a decoupling of the accessory drive that runs the high pressure engine-driven fuel pump.
- [NTSB LAX92LA133](https://openairdocs.org/ntsb/LAX92LA133.md): Helio HST-550A · Salome, AZ · Accident · Minor injuries · Limited investigation · Final report · Mar 1, 1992 · N550HZ · Destroyed
  > The pilot's inadequate in-flight planning, improper altitude, and delaying the required remedial action to prevent the collision with the mountain. Contributing to the accident was the unfavorable wind and downdraft conditions.
- [NTSB LAX87LA250](https://openairdocs.org/ntsb/LAX87LA250.md): de Havilland DHC-6-300 · Grand Canyon, AZ · Accident · No injuries · Limited investigation · Final report · Jun 29, 1987 · N74GC · Substantial damage
  > While taxiing for takeoff, the underside of the left wing struck the boom of a backhoe parked adjacent to the aircraft ramp. The unattended backhoe was parked in a dirt area adjacent to the ramp with the boom in the extended position while the operator was on…
- [NTSB LAX78DUJ99](https://openairdocs.org/ntsb/LAX78DUJ99.md): Aero Comdr S2R · Gila Bend, AZ · Accident · No injuries · Closed · Aug 27, 1978 · N5052X · Destroyed

## 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 ('52032', '52034'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52032&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.