# NTSB investigations: Pratt & Whitney PT6A series, AR

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.

Page 1 of 2 · 58 cases

## Latest cases

- [NTSB CEN25FA197](https://openairdocs.org/ntsb/CEN25FA197.md): Air Tractor AT-502 · Grady, AR · Accident · 1 fatal · Class 3 · Field · Preliminary report · Jun 6, 2025 · N9185F · Substantial damage
  > On June 6, 2025, about 1830 central daylight time, an Air Tractor AT-502 airplane, N9185F, was substantially damaged when it was involved in an accident near Grady, Arkansas. The pilot was fatally injured. The airplane was operated as a Title 14 Code of…
- [NTSB CEN24FA179](https://openairdocs.org/ntsb/CEN24FA179.md): Piper PA46-500TP · Marianna, AR · Accident · 2 fatal · Class 3 · Field · Final report · May 13, 2024 · N241PM · Substantial damage
  > The pilot’s exceedance of the airplane’s design limitations, which resulted in an in-flight breakup.
- [NTSB CEN24LA175](https://openairdocs.org/ntsb/CEN24LA175.md): Air Tractor AT-802A · England, AR · Accident · Serious injuries · Class 4 · Limited · Final report · May 1, 2024 · N8515G · Substantial damage
  > The pilot’s failure to maintain clearance from tower guy wires while maneuvering during a low-level aerial application flight.
- [NTSB CEN22LA335](https://openairdocs.org/ntsb/CEN22LA335.md): Ayres S2R-T34 · Parkin, AR · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 23, 2022 · N4046S · Destroyed
  > The pilot’s failure to maintain clearance from tower guy wires while maneuvering.
- [NTSB CEN21FA270](https://openairdocs.org/ntsb/CEN21FA270.md): Air Tractor 502B · Paragould, AR · Accident · 1 fatal · Class 3 · Field · Final report · Jun 15, 2021 · N6088K · Destroyed
  > An inflight loss of control and subsequent impact with terrain during an aerial application flight for reasons that could not be determined based on the available evidence.
- [NTSB CEN21LA005](https://openairdocs.org/ntsb/CEN21LA005.md): Air Tractor AT402 · Egypt, AR · Accident · No injuries · Class 4 · Limited · Final report · Oct 2, 2020 · N4540F · Substantial damage
  > The pilot’s failure to maintain clearance from a tree limb during a low-level aerial application flight.
- [NTSB CEN20LA234](https://openairdocs.org/ntsb/CEN20LA234.md): Air Tractor AT402 · Pine Bluff, AR · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 17, 2020 · N1532H · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack, which led to an aerodynamic stall and a loss of airplane control. Contributing was a partial loss of engine power for undetermined reasons.
- [NTSB CEN18FA263](https://openairdocs.org/ntsb/CEN18FA263.md): Air Tractor AT-602 · Wheatley, AR · Accident · 1 fatal · Field investigation · Final report · Jul 11, 2018 · N8508P · Destroyed
  > The pilot's failure to maintain clearance from terrain for reasons that could not be determined based on the available evidence.
- [NTSB CEN16LA312](https://openairdocs.org/ntsb/CEN16LA312.md): Air Tractor AT-502B · Hickory Ridge, AR · Accident · 1 fatal · Limited investigation · Final report · Aug 8, 2016 · N634LA · Substantial damage
  > The pilot's failure to maintain clearance from a transmission line while maneuvering at low altitude.
- [NTSB CEN15IA200](https://openairdocs.org/ntsb/CEN15IA200.md): Air Tractor AT 402A · Brickeys, AR · Incident · No injuries · Incident investigation · Final report · Apr 4, 2015 · N623LA · Minor damage
  > The in-flight separation of the attachment hardware at the elevator control pushrod due to maintenance personnel's improper reinstallation of the attachment hardware.
- [NTSB CEN14LA299](https://openairdocs.org/ntsb/CEN14LA299.md): Air Tractor AT 502 · Dell, AR · Accident · Minor injuries · Limited investigation · Final report · Jun 16, 2014 · N9184T · Substantial damage
  > The pilot’s failure to establish a proper airspeed during takeoff with the airplane near its maximum gross weight in high-density altitude and gusting crosswind conditions.
- [NTSB CEN14CA283](https://openairdocs.org/ntsb/CEN14CA283.md): Ayres S2R T34 · Wilmont, AR · Accident · No injuries · Data collection · Final report · Jun 7, 2014 · N23034 · Substantial damage
  > Pilot's failure to verify the amount of chemical load on the airplane prior to takeoff which resulted in the airplane being heavier than expected. Contributing to the accident was loading crew not following the pilot's instructions.
- [NTSB CEN13LA568](https://openairdocs.org/ntsb/CEN13LA568.md): Air Tractor AT 802 · Gould, AR · Accident · No injuries · Limited investigation · Final report · Aug 28, 2013 · N9119B · Substantial damage
  > The failure of a bearing in the fuel control unit, which resulted in fuel starvation and a total loss of engine power.
- [NTSB CEN13LA414](https://openairdocs.org/ntsb/CEN13LA414.md): Ayres S2R-T41 · Coy, AR · Accident · Minor injuries · Limited investigation · Final report · Jul 10, 2013 · N2239B · Substantial damage
  > The propeller’s uncommanded reverse thrust during the landing flare due to improper rigging of the propeller’s governor linkage.
- [NTSB CEN13LA402](https://openairdocs.org/ntsb/CEN13LA402.md): Air Tractor AT-502B · Tillar, AR · Accident · No injuries · Limited investigation · Final report · Jul 3, 2013 · N5182C · Substantial damage
  > The loss of engine throttle control during takeoff due to an unsecured cockpit throttle control pin, which resulted in a runway overrun.
- [NTSB CEN13LA168](https://openairdocs.org/ntsb/CEN13LA168.md): Air Tractor AT-502 · Forrest City, AR · Accident · Minor injuries · Limited investigation · Final report · Feb 7, 2013 · N198LA · Substantial damage
  > The in-flight separation of the left aileron's push-pull rod and hardware. Contributing to the accident was the failure of maintenance personnel to apply proper torque to the self-locking nuts.
- [NTSB CEN12LA323](https://openairdocs.org/ntsb/CEN12LA323.md): Thrush S2RHG-T65 · Alicia, AR · Accident · No injuries · Limited investigation · Final report · May 25, 2012 · N40475 · 2 aircraft · Substantial damage
  > The pilot of the Thrush did not execute a go-around prior to landing, which resulted in excessive ground speed after touchdown, and his subsequent loss of directional control, which resulted in a collision with the Air Tractor.
- [NTSB CEN12FA312](https://openairdocs.org/ntsb/CEN12FA312.md): Air Tractor AT-802A · Sedgwick, AR · Accident · 1 fatal · Field investigation · Final report · May 23, 2012 · N4126T · 2 aircraft · Substantial damage
  > The inability of both pilots to see and avoid the other airplane, which resulted in a midair collision. Contributing to the accident was the distraction of the Air Tractor pilot by a cellular telephone conversation during the flight.
- [NTSB CEN12LA310](https://openairdocs.org/ntsb/CEN12LA310.md): Air Tractor AT-602 · Humnoke, AR · Accident · No injuries · Limited investigation · Final report · May 19, 2012 · N85239 · Substantial damage
  > The pilot’s failure to attain the proper touchdown point, which resulted in a landing undershoot.
- [NTSB CEN11LA404](https://openairdocs.org/ntsb/CEN11LA404.md): Ayres S2R-T34 · Athleimer, AR · Accident · Minor injuries · Limited investigation · Final report · Jun 16, 2011 · N30902 · Substantial damage
  > Failure of the first stage planetary gearset in the propeller reduction gearbox, which resulted in catastrophic engine failure. Contributing to the failure was the misrepresentation of the gearset being zero-timed by the company that sold the gearset to the…
- [NTSB CEN11CA224](https://openairdocs.org/ntsb/CEN11CA224.md): Ayres S2R-T34 · Swan Lake, AR · Accident · Minor injuries · Data collection · Final report · Mar 12, 2011 · N92KM · Substantial damage
  > An in-flight collision with power lines following an encounter with a wind gust.
- [NTSB CEN10LA298](https://openairdocs.org/ntsb/CEN10LA298.md): Air Tractor AT-502B · Pollard, AR · Accident · No injuries · Limited investigation · Final report · Jun 4, 2010 · N6083G · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB CEN10CA265](https://openairdocs.org/ntsb/CEN10CA265.md): Ayres S2R-R1340 · Roe, AR · Accident · No injuries · Data collection · Final report · May 21, 2010 · N107CA · Substantial damage
  > The pilot's decision to take off with a tailwind, resulting in a runway overrun.
- [NTSB CEN09CA428](https://openairdocs.org/ntsb/CEN09CA428.md): Air Tractor AT-502B · Reydell, AR · Accident · No injuries · Data collection · Final report · Jul 10, 2009 · N60023 · Substantial damage
  > The pilot's inability to maintain control of the airplane when it unexpectedly encountered a whirlwind shortly after takeoff.
- [NTSB CEN09CA361](https://openairdocs.org/ntsb/CEN09CA361.md): Air Tractor AT-402A · Trumann, AR · Accident · No injuries · Data collection · Final report · Jun 12, 2009 · N50956 · Substantial damage
  > The pilot's failure to maintain aircraft control in flight. Contributing to the accident was his decision to fly with known hazardous weather conditions in the vicinity.
- [NTSB DFW08LA143](https://openairdocs.org/ntsb/DFW08LA143.md): Air Tractor AT-502B · Wheatley, AR · Accident · 1 fatal · Limited investigation · Final report · May 15, 2008 · N6112D · Substantial damage
  > The pilot's failure to maintain airspeed, resulting in an inadvertent low-altitude aerodynamic stall.
- [NTSB CHI07LA174](https://openairdocs.org/ntsb/CHI07LA174.md): Ayres S2R-T15 · Stuttgart, AR · Accident · Serious injuries · Limited investigation · Final report · Jun 20, 2007 · N113CA · Substantial damage
  > The loss of engine power for undetermined reasons during an aerial application flight and the unsuitable landing area encountered by the pilot during the subsequent forced landing. An additional cause was the low altitude of an aerial application operation.
- [NTSB DFW06LA198](https://openairdocs.org/ntsb/DFW06LA198.md): Ayres S2R-T34 · Parkdale, AR · Accident · No injuries · Limited investigation · Final report · Aug 11, 2006 · N444HF · Substantial damage
  > The failure of a compressor turbine blade for undetermined reasons, which resulted in a total loss of engine power. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB DFW06CA182](https://openairdocs.org/ntsb/DFW06CA182.md): Air Tractor AT-502B · Marvell, AR · Accident · No injuries · Data collection · Final report · Jul 12, 2006 · N90614 · Substantial damage
  > The pilot's failure to maintain clearance with terrain during takeoff.
- [NTSB DFW06LA163](https://openairdocs.org/ntsb/DFW06LA163.md): Ayres S2R-T34 · Colt, AR · Accident · 1 fatal · Limited investigation · Final report · Jun 20, 2006 · N2292J · Destroyed
  > The pilot's failure to maintain clearance with the ground during an aerial application flight.
- [NTSB DFW06CA155](https://openairdocs.org/ntsb/DFW06CA155.md): Air Tractor AT-502 · Minturn, AR · Accident · No injuries · Data collection · Final report · Jun 6, 2006 · N9195G · Substantial damage
  > The pilot's inadequate inflight planning/decision, which resulted in a loss of engine power due to fuel exhaustion. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB DFW06CA146](https://openairdocs.org/ntsb/DFW06CA146.md): Air Tractor AT-802 · Tuckerman, AR · Accident · No injuries · Data collection · Final report · May 29, 2006 · N175LA · Substantial damage
  > The loss of engine power due to water contamination in the fuel. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB DFW06CA137](https://openairdocs.org/ntsb/DFW06CA137.md): Ayres S2R-T34 · Winchester, AR · Accident · No injuries · Data collection · Final report · May 19, 2006 · N283TA · Destroyed
  > The pilot's failure to abort the takeoff following the partial loss of engine power for undetermined reasons. A contributing factor was the rising embankment at the end of the runway.
- [NTSB DFW06LA130](https://openairdocs.org/ntsb/DFW06LA130.md): Grumman G-164A · DeWitt, AR · Accident · 1 fatal · Limited investigation · Final report · May 18, 2006 · N6629 · 2 aircraft · Substantial damage
  > The failure by both pilots to maintain adequate visual lookout and the Grumman G-164A pilot's impairment caused by the recent use of marijuana.
- [NTSB DFW06CA031](https://openairdocs.org/ntsb/DFW06CA031.md): Air Tractor AT-502B · Osceola, AR · Accident · No injuries · Data collection · Final report · Nov 10, 2005 · N5075P · Substantial damage
  > The pilot's failure to maintain control of the airplane while on final approach. A contributing factor was the gusty winds.
- [NTSB DFW05LA179](https://openairdocs.org/ntsb/DFW05LA179.md): Air Tractor AT-502B · Hickory Ridge, AR · Accident · Serious injuries · Limited investigation · Final report · Jul 12, 2005 · N9086V · Substantial damage
  > The pilot's failure to maintain clearance with terrain during aerial application.
- [NTSB DFW05CA131](https://openairdocs.org/ntsb/DFW05CA131.md): Air Tractor AT-402A · Cherry Valley, AR · Accident · No injuries · Data collection · Final report · May 24, 2005 · N198AS · Substantial damage
  > The pilot's failure to calculate take off-distance performance data, which resulted in insufficient runway length for take off. Factors were the tailwind and high gross weight.
- [NTSB DFW05CA079](https://openairdocs.org/ntsb/DFW05CA079.md): Air Tractor AT-402 · Dumas, AR · Accident · No injuries · Data collection · Final report · Mar 2, 2005 · N1518Z · Substantial damage
  > The pilot's failure to maintain clearance from the power lines.
- [NTSB FTW04LA156](https://openairdocs.org/ntsb/FTW04LA156.md): Air Tractor AT-502 · Joiner, AR · Accident · Serious injuries · Limited investigation · Final report · Jun 8, 2004 · N9151C · Destroyed
  > The pilot's failure to maintain clearance and altitude from terrain while maneuvering during an aerial application.
- [NTSB FTW04LA151](https://openairdocs.org/ntsb/FTW04LA151.md): Air Tractor AT-502B · Weldon, AR · Accident · No injuries · Limited investigation · Final report · Jun 3, 2004 · N5002D · 2 aircraft · Minor damage
  > The other pilot's failure to maintain an adequate visual lookout during approach to landing, which resulted in a midair collision between the two airplanes.
- [NTSB FTW04CA139](https://openairdocs.org/ntsb/FTW04CA139.md): Air Tractor AT-402 · Beedeville, AR · Accident · No injuries · Data collection · Final report · May 24, 2004 · N45553 · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during landing roll-out. Contributing factors were the crosswind and condition of the the runway.
- [NTSB CHI03LA273](https://openairdocs.org/ntsb/CHI03LA273.md): Ayres S2R-T660 · Blytheville, AR · Accident · Minor injuries · Limited investigation · Final report · Aug 19, 2003 · N4114A · Destroyed
  > The pilot's inadequate visual lookout and altitude/clearance not being maintained from the transmission wires. A factor to the accident was the transmission wires.
- [NTSB FTW03LA098](https://openairdocs.org/ntsb/FTW03LA098.md): Air Tractor AT-502B · Holly Grove, AR · Accident · Minor injuries · Limited investigation · Final report · Feb 18, 2003 · N61802 · Substantial damage
  > The pilot's failure to abort the takeoff.
- [NTSB FTW03FA059](https://openairdocs.org/ntsb/FTW03FA059.md): Beech 1900C · Eagleton, AR · Accident · 3 fatal · Field investigation · Final report · Dec 9, 2002 · N127YV · Destroyed
  > In-flight collision with terrain due to the pilot's failure to maintain clearance and altitude above rapidly rising terrain while on a VFR approach. Contributing factors were the obscuration of the terrain due to clouds.
- [NTSB FTW02LA158](https://openairdocs.org/ntsb/FTW02LA158.md): Air Tractor 402 · Hughes, AR · Accident · No injuries · Limited investigation · Final report · May 20, 2002 · N91660 · Substantial damage
  > the pilot's failure to maintain directional control during the landing roll. Contributing factors were the malfunction of the tail wheel locking mechanism and the high vegetation along the sides of the airstrip.
- [NTSB FTW02LA116](https://openairdocs.org/ntsb/FTW02LA116.md): Air Tractor 502B · Palestine, AR · Accident · No injuries · Limited investigation · Final report · Apr 10, 2002 · N9074H · Substantial damage
  > the pilot's failure to maintain clearance with the power line while maneuvering during an aerial application flight.
- [NTSB FTW01LA147](https://openairdocs.org/ntsb/FTW01LA147.md): Air Tractor AT-502B · Newport, AR · Accident · No injuries · Limited investigation · Final report · Jun 19, 2001 · N6082B · Substantial damage
  > the loss of control during takeoff initial climb as a result of encountering wake turbulence due to the pilot's failure to recognize the hazard and delay the takeoff.
- [NTSB FTW01LA141](https://openairdocs.org/ntsb/FTW01LA141.md): Air Tractor AT-502B · Marvell, AR · Accident · Minor injuries · Limited investigation · Final report · Jun 12, 2001 · N6181Q · Substantial damage
  > the improper decision of the driver of the vehicle(ATV) to enter an active airstrip.
- [NTSB FTW00LA232](https://openairdocs.org/ntsb/FTW00LA232.md): Air Tractor AT-502 · Helena, AR · Accident · No injuries · Limited investigation · Final report · Aug 14, 2000 · N73184 · Substantial damage
  > the pilot's failure to maintain obstacle clearance. A contributing factor was the sun glare.
- [NTSB FTW99LA196](https://openairdocs.org/ntsb/FTW99LA196.md): Air Tractor AT-502B · Marvel, AR · Accident · No injuries · Limited investigation · Final report · Jul 21, 1999 · N6073U · Substantial damage
  > The pilot's failure to attain the proper takeoff airspeed.

Next page: https://openairdocs.org/ntsb.md?engine=52032&state=AR&page=2

## 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" = 'AR' 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=AR

---
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.