NTSB investigations: Pratt & Whitney PT6A series, TX
69 cases on aircraft whose registry engine model is Pratt & Whitney PT6A series. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1980 | 1 |
|---|---|
| 1982 | 2 |
| 1983 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 1 |
| 1994 | 1 |
| 1995 | 2 |
| 1996 | 1 |
| 1997 | 4 |
| 1999 | 2 |
| 2000 | 2 |
| 2002 | 1 |
| 2003 | 5 |
| 2004 | 4 |
| 2005 | 2 |
| 2006 | 2 |
| 2007 | 5 |
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 3 |
| 2012 | 3 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 2 |
| 2025 | 2 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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\" = 'TX' 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"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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" = 'TX' 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" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB CEN25LA394Accident · No injuriesClass 4 · LimitedFinal reportPiper PA46 · Henderson, TXThe pilot’s failure to extend the main landing gear prior to landing, which resulted in a gear up landing. Contributing to the accident was the pilot’s distraction during the approach.NTSB CEN25LA122Accident · No injuriesClass 3 · LimitedPreliminary reportCessna 208B · Dallas, TXOn March 14, 2025, about 0738 central daylight time, a Cessna 208B airplane, N9471B, sustained substantial damage when it was involved in an accident at the Dallas-Fort Worth International Airport (DFW), Dallas, Texas. The pilot was not injured. The airplane…NTSB CEN24LA216Accident · Serious injuriesClass 4 · LimitedFinal reportAir Tractor AT-402 · Perryton, TXThe pilot’s exceedance of the airplane’s critical angle of attack during a low-level turn, which resulted in an aerodynamic stall and loss of airplane control at too low of an altitude to recover.NTSB CEN24LA165Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-502B · Olney, TXThe pilot’s failure to maintain directional control of the airplane during landing in gusty wind conditions.NTSB CEN22LA149Accident · No injuriesClass 4 · LimitedFinal reportCessna 208B · Grapevine, TXThe failure of the pilot of the second aircraft to maintain a safe distance from the lead airplane while taxiing, which resulted in a ground collision.NTSB CEN22FA081Accident · 2 fatalClass 3 · FieldFinal reportCessna 208 · Fulshear, TXThe limitations of the see-and-avoid concept as a method for self-separation of aircraft, which resulted in an inflight collision. Contributing to the accident was the absence of collision avoidance technology on both aircraft.NTSB CEN20LA279Accident · No injuriesClass 3 · LimitedFinal reportAir Tractor AT502 · Dalhart, TXThe total loss of engine power due to a failed fuel control unit bearing.NTSB CEN20LA143Accident · 1 fatalClass 3 · LimitedFinal reportAir Tractor AT 502 · Pecan Gap, TXThe pilot did not maintain adequate clearance from tree, which resulted in a collision with a tree and subsequent impact with terrain.NTSB CEN20LA013Accident · Serious injuriesClass 3 · LimitedFinal reportAir Tractor AT 502 · Lamesa, TXThe pilot's improper decision to maneuver at a low altitude and in close proximity to a wind turbine undergoing maintenance, which resulted in a collision with a tagline rope being held by a worker on the ground and serious injury to the worker.NTSB GAA19CA453Accident · No injuriesData collectionFinal reportAir Tractor AT 502 · Stanton, TXThe pilot's failure to maintain clearance from wires during an agricultural application flight.NTSB GAA19CA354Accident · No injuriesData collectionFinal reportAir Tractor AT 602 · La Ward, TXThe pilot's failure to maintain clearance from a wire during an aerial application flight in sun glare conditions.NTSB CEN19FA003Accident · 1 fatalField investigationFinal reportAir Tractor AT502 · Placedo, TXThe pilot's failure to maintain clearance from the antenna tower, a known obstruction, during the agricultural application flight. Contributing to the accident was glare from the sun which hindered the pilot's ability to see and avoid the antenna tower.NTSB CEN18LA019Accident · Serious injuriesClass 3 · LimitedFinal reportAir Tractor AT 502B · Olton, TXThe pilot's exceedance of the airplane’s critical angle of attack while maneuvering during the aerial application flight, which resulted in an aerodynamic stall and loss of control at an altitude too low to recover.NTSB GAA17CA385Accident · No injuriesData collectionFinal reportAir Tractor AT 502 · Edna, TXThe pilot’s failure to see and avoid a tower during an agricultural application flight.NTSB GAA17CA285Accident · Minor injuriesData collectionFinal reportAir Tractor AT 802 · Dumas, TXThe pilot’s failure to maintain lateral control while maneuvering at a low altitude.NTSB CEN17LA027Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT 502B · Hereford, TXThe pilot's failure to maintain clearance from a cotton crop while maneuvering during agricultural application operations, which resulted in a loss of airplane control.NTSB CEN16LA181Accident · 1 fatalLimited investigationFinal reportAir Tractor AT 502 · West, TXThe pilot’s failure to see and avoid cellular tower guy wires. Contributing to the accident was the pilot’s decision to operate at low altitude.NTSB CEN16LA139Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-402 · Beyersville, TXThe pilot's failure to maintain visual separation from the power line due to a lack of identifiable and contrasting features, which led to an inflight collision with the line while maneuvering in gray, hazy conditions.NTSB CEN15LA182Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT 400 · Levelland, TXThe in-flight separation of the left aileron's attachment hardware at the connection between the long aileron pushrod and the left aileron bellcrank. Contributing to the accident was maintenance personnel’s improper installation of, or failure to install, the…NTSB CEN15FA135Accident · 1 fatalField investigationFinal reportPiper PA46 500TP · Lubbock, TXThe pilot's loss of airplane control due to spatial disorientation and light ice accumulation while operating in night, instrument meteorological conditions with gusting wind.NTSB CEN14FA300Accident · 3 fatalField investigationFinal reportPiper PA 46-310P · Lehman, TXThe pilot's improper decision to enter an area of known adverse weather, which resulted in the loss of airplane control. Contributing to the accident was the air traffic controller's failure to provide critical weather information to the pilot to help him…NTSB CEN13FA131Accident · 3 fatalField investigationFinal reportPiper PA46-500TP · Paris, TXThe pilot's encounter with convective weather, which resulted in a loss of airplane control.NTSB CEN12CA568Accident · No injuriesData collectionFinal reportAir Tractor AT-502B · Bogata, TXThe pilot’s inadequate preflight planning, which resulted in the airplane’s loading beyond its maximum gross weight.NTSB CEN12CA301Accident · No injuriesData collectionFinal reportAir Tractor AT-502B · El Campo, TXThe pilot's decision to rotate early, the airplane’s subsequent inability to climb, and the pilot’s delayed decision to abort the takeoff.NTSB CEN12CA221Accident · No injuriesData collectionFinal reportAir Tractor AT-402A · Ganado, TXThe improper positioning of the hopper vent, which allowed chemicals to escape and cover the airplane's windshield.NTSB CEN11LA571Accident · No injuriesLimited investigationFinal reportAir Tractor AT-402 · Uvalde, TXThe pilot’s failure to maintain airspeed while maneuvering to avoid power lines during a precautionary landing, which resulted an aerodynamic stall. Contributing to the accident was the fluctuating engine power for undetermined reasons and the pilot's…NTSB CEN11CA309Accident · No injuriesData collectionFinal reportCessna 208B · El Paso, TXThe pilot's loss of control as result of the gusting wind.NTSB CEN11CA287Accident · Minor injuriesData collectionFinal reportAir Tractor AT503 · Telephone, TXThe pilot's failure to maintain adequate airspeed which resulted in an aerodynamic stall.NTSB CEN10LA217Accident · No injuriesLimited investigationFinal reportAir Tractor AT-802A · Alpine, TXA total loss of engine power for undetermined reasons.NTSB CEN09CA295Accident · Minor injuriesData collectionFinal reportAir Tractor AT502 · Lisse, TXA total loss of engine power for undetermined reasons.NTSB DEN08IA143Incident · No injuriesIncident investigationFinal reportRaytheon C90A · Jasper, TXThe impact with a bird during initial takeoff climb.NTSB DFW08CA014Accident · No injuriesData collectionFinal reportAir Tractor 402B · Taft, TXThe pilot's failure to maintain control during takeoff. A contributing factor was the prevailing crosswind.NTSB DFW07LA203Accident · No injuriesLimited investigationFinal reportAir Tractor AT 602 · Floydada, TXA leak in the outer ply of the BeCu bellows. This hole appeared to be the result of pitting corrosion, but the corroding agent was not determined.NTSB DFW07LA165Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502 · Slaton, TXAn uncontained failure of the turbine engine's power section for undetermined reasons.NTSB DFW07CA123Accident · No injuriesData collectionFinal reportAir Tractor AT-502B · Banquete, TXThe pilot's failure to maintain clearance from the power transmission line(s). A contributing factor was the low altitude selected by the pilot.NTSB DFW07CA114Accident · Minor injuriesData collectionFinal reportAir Tractor AT-402A · Edmonson, TXThe pilot's failure to maintain clearance with the crops.NTSB DFW06CA206Accident · No injuriesData collectionFinal reportBeech B200 · Hondo, TXThe collision with an unmarked pothole in the taxiway while taxiing for departure. A contributing factor was the obscuration by water.NTSB DFW06LA121Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-802A · Jasper, TXThe loss of engine power due to fuel exhaustion. A contributing factor was the lack of suitable landing for the pilot to execute the forced landing.NTSB DFW06LA010Accident · Minor injuriesLimited investigationFinal reportCessna 208 · Round Rock, TXThe loss of engine power due to the failure of the engine-driven fuel pump. A contributing factor was the inadequate inspection of the engine driven fuel pump.NTSB DFW05IA150Incident · No injuriesIncident investigationFinal reportCessna 208B · Clarendon, TXThe loss of total engine power due to damage of the compressor stator vanes caused by a foreign object. A contributing factor was an in-flight ingestion of bird(s).NTSB FTW04CA141Accident · No injuriesData collectionFinal reportAir Tractor AT-502 · Tarzan, TXThe pilot's failure to maintain proper airspeed suitable for flight. Contributing factors were the high density altitude and tail wind condition.NTSB FTW04LA130Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · San Angelo, TXThe loss of engine power for undetermined reasons. A contributing factor was the soft terrain encountered during the aborted takeoff.NTSB FTW04CA112Accident · No injuriesData collectionFinal reportAir Tractor AT-502B · San Angelo, TXThe pilot's improper preflight performance planning, and his failure to establish a climb. Factors were the high density altitude and crosswind.NTSB FTW04LA108Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-402B · Goliad, TXThe pilot's failure to maintain clearance with power lines while maneuvering during an aerial application flight.NTSB FTW03LA223Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-502B · Farwell, TXThe pilot's failure to maintain airspeed while maneuvering which resulted in an inadvertent stall.NTSB LAX03LA180Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-502A · Raywood, TXthe pilot's encounter with a stall/mush condition in the takeoff initial climb due to his inadequate preflight/pretakeoff procedures and failure to set the wing flaps to the proper takeoff configuration before beginning the takeoff ground roll.NTSB FTW03LA158Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502B · Edna, TXThe pilot's failure to maintain clearance with the transmission wires while maneuvering during an aerial application flight. A contributing factor was the haze restricting the visibility.NTSB FTW03LA133Accident · No injuriesLimited investigationFinal reportAir Tractor AT-402B · Taft, TXThe partial loss of engine power resulting from a leaking fuel transfer tube following inadequate maintenance by unknown personnel. A contributing factor was the furrowed terrain encountered during the forced landing.NTSB FTW03FA089Accident · Serious injuriesField investigationFinal reportCessna 208B · San Angelo, TXThe flight crew's failure to cycle the deice boots prior to conducting a simulated forced landing and their failure to maintain adequate airspeed during the maneuver, which resulted in an inadvertent stall and subsequent loss of control. A contributing factor…NTSB FTW02LA120Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-502 · Lamesa, TXThe loss of engine power due to contamination of the fuel system. A contributing factor was the lack of suitable terrain for the forced landing.