Final NTSB investigations: Pratt & Whitney PT6A series
608 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, newest first
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.\"completionStatus\" = 'Completed'
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."completionStatus" = 'Completed'
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 CEN21LA283Accident · Serious injuriesClass 4 · LimitedFinal reportAir Tractor AT-502B · Edwardsburg, MIThe pilot’s failure to identify rising terrain and to maintain terrain clearance from trees during an aerial application pass that resulted in an in-flight collision with trees and terrain.NTSB CEN21FA270Accident · 1 fatalClass 3 · FieldFinal reportAir Tractor 502B · Paragould, ARAn 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 ANC21LA025Accident · No injuriesClass 4 · LimitedFinal reportCessna 208B · Chevak, AKThe pilot’s loss of directional control during the back-taxi for departure in strong crosswind conditions which resulted in a runway excursion. Contributing to the accident was the snow-and-ice-covered runway.NTSB ERA21LA021Accident · No injuriesClass 3 · LimitedFinal reportBeech 99 · Waterville, MEA failure of the right main landing gear drag leg support fitting and angle bracket as a result of multiple areas of fatigue cracking.NTSB CEN21LA005Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT402 · Egypt, ARThe pilot’s failure to maintain clearance from a tree limb during a low-level aerial application flight.NTSB CEN21LA004Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA46 · Lake Elmo, MNA total loss of engine power for reasons that could not be determined.NTSB WPR20CA312Accident · No injuriesClass 4 · Data collectionFinal reportBeechcraft C90A · Fortuna, CAA collision with a deer while landing at night.NTSB WPR20LA246Accident · 2 fatalClass 3 · LimitedFinal reportAir Tractor AT802 · Elgin, NVThe trailing pilot’s failure to maintain separation from the lead airplane during a fire retardant deployment flight, which resulted in the trailing airplane flying through a plume of retardant and the trailing pilot’s subsequent loss of visibility that led…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 CEN20LA234Accident · Serious injuriesClass 3 · LimitedFinal reportAir Tractor AT402 · Pine Bluff, ARThe 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 CEN20CA221Accident · No injuriesClass 4 · Data collectionFinal reportAir Tractor AT502 · Hiawatha, KSThe pilot’s decision to attempt the takeoff with a tailwind in high density altitude conditions.NTSB CEN20CA190Accident · Minor injuriesClass 4 · Data collectionFinal reportAir Tractor AT502 · Bunkie, LAThe pilot's failure to maintain directional control during takeoff.NTSB CEN20CA153Accident · No injuriesData collectionFinal reportAir Tractor AT 602 · Mamou, LAThe airplane's encounter with a sunken area during takeoff from a turf runway, which resulted in the airplane becoming prematurely airborne and impacting a tree and then terrain.NTSB WPR20LA128Accident · 1 fatalClass 3 · LimitedFinal reportPiper PA31T · Billings, MTThe degraded airplane performance after takeoff for reasons that could not be determined from available evidence.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 CEN20LA122Accident · 1 fatalClass 3 · LimitedFinal reportCessna 208 · LaCrosse, KSAn infight loss of control as a result of pilot impairment, the cause of which could not be determined.NTSB CEN20CA103Accident · No injuriesData collectionFinal reportAir Tractor AT 602 · Bunkie, LAThe pilot's failure to lock the tailwheel before landing, which resulted in his loss of directional control during the landing roll, a runway excursion onto soft ground, and a subsequent ground loop.NTSB CEN20LA083Accident · No injuriesClass 3 · LimitedFinal reportPiaggio P180 · Broomfield, COThe pilot’s loss of directional control on the snow-covered runway, which resulted in a runway excursion.NTSB CEN20LA084Accident · No injuriesClass 3 · LimitedFinal reportBeech 200 · St Louis, MOThe pilot’s loss of directional control and the subsequent nose landing gear collapse of for undetermined reasons.NTSB ANC20LA020Accident · No injuriesClass 3 · LimitedFinal reportCessna 208 · Hooper Bay, AKThe pilot’s decision to depart from a contaminated runway, and his failure to make a timely decision to abort the takeoff when the airplane was not accelerating as expected. Contributing to the accident was the pilot’s decision to depart in limited visibility…NTSB ANC20LA015Accident · Serious injuriesClass 3 · LimitedFinal reportBeech 200 · Unalaska, AKThe pilot’s improper decision to takeoff downwind and to load the airplane beyond its allowable gross weight and center of gravity limits, which resulted in an aerodynamic stall and loss of control. Contributing to the accident was the inadequacy of the…NTSB WPR20CA046Accident · No injuriesData collectionFinal reportBeech 350 · Visalia, CAThe single-engine pilot's failure to yield to traffic established on the taxiway, which resulted in a ground collision.NTSB ANC20LA003Accident · No injuriesClass 3 · LimitedFinal reportCessna 208 · Honolulu, HIThe pilot of the Cessna's failure to set the parking brake before diverting his attention inside the airplane, which resulted in his airplane colliding with the airplane ahead of it on the taxiway.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 GAA20CA021Accident · No injuriesData collectionFinal reportWingtip To Wingtip Panzl S-330 · Cedartown, GA***This report was modified on June 4, 2020. Please see the docket for this accident to view the original report.*** The departing pilot's failure to see and avoid the arriving airplane as it was turning off the runway from which the departing pilot was…NTSB CEN20FA001Accident · 5 fatalClass 3 · FieldFinal reportSocata TBM 700 · Lansing, MIThe pilot’s failure to maintain airspeed during final approach, which resulted in a loss of control and an aerodynamic stall at a low altitude, and his decision to operate the airplane outside of the approved weight and balance envelope.NTSB ERA19TA278Accident · No injuriesClass 3Final reportCessna 208 · Pepperell, MAThe pilot's loss of control when the airplane encountered a downdraft during landing approach, which resulted in a subsequent hard landing and gear collapse.NTSB CEN19FA259Accident · 1 fatalClass 3 · FieldFinal reportAir Tractor AT502 · Sumner, IAThe pilot’s impairment by medical conditions and/or medications, which resulted in the airplane’s impact with power lines and terrain.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 GAA19CA452Accident · Minor injuriesData collectionFinal reportAir Tractor AT 502 · Welsh, LAThe pilot's failure to maintain clearance from a telephone pole during an agricultural application flight.NTSB ANC19LA031Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 208 · Bethel, AKThe pilot’s failure to maintain adequate airspeed while maneuvering during an attempted go-around, which resulted in an exceedance of the airplane's critical angle of attack and an aerodynamic stall at low altitude. Contributing to the accident, was the…NTSB WPR19MA177Accident · 11 fatalClass 2 · MajorFinal reportBeech 65-A90 · Mokuleia, HIThe pilot’s aggressive takeoff maneuver, which resulted in an accelerated stall and subsequent loss of control at an altitude that was too low for recovery. Contributing to the accident were (1) the operation of the airplane near its aft center of gravity…NTSB GAA19CA352Accident · No injuriesData collectionFinal reportAir Tractor AT402 · Liberal, KSThe pilot's failure to see and avoid a windmill tower while maneuvering at low altitude.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 GAA19CA328Accident · Minor injuriesData collectionFinal reportAir Tractor AT502 · Monument, KSThe pilot's failure to maintain altitude due to distraction by ground equipment in the airplane’s path, which resulted in his failure to maintain clearance from crops during an agricultural application flight and resulted in a loss of airplane control.NTSB WPR19LA112Accident · Serious injuriesClass 3 · LimitedFinal reportAir Tractor AT502 · Morganza, LAA loss of aircraft control due to the separation of the elevator pushrod attachment bolt.NTSB ANC19FA012Accident · 3 fatalClass 2 · FieldFinal reportBeech 200 · Kake, AKA loss of control for reasons that could not be determined based on the available information.NTSB GAA19CA078Accident · No injuriesData collectionFinal reportAir Tractor AT 502 · Americus, GAThe pilot's failure to see and avoid a power line during an agricultural application flight.NTSB WPR19IA030Incident · Minor injuriesClass 3 · IncidentFinal reportCessna 208 · Bakersfield, CAThe pilot's loss of consciousness while taxiing due to an accumulation of toxic levels of carbon dioxide gas inside the airplane as a result of dry ice sublimation. Also causal was the pilot's decision to fly the airplane in an unventilated configuration, the…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 GAA19CA010Accident · No injuriesData collectionFinal reportAir Tractor AT 402 · Crowley, LAThe pilot's selection of unsuitable terrain for takeoff, which resulted in a collision with vegetation and a subsequent loss of directional control.NTSB GAA18CA528Accident · No injuriesData collectionFinal reportBeech 200 · Burbank, CAThe flight instructor's and pilot receiving instruction's failure to maintain clearance from a tree while taxiing.NTSB WPR18LA234Accident · Serious injuriesClass 3 · LimitedFinal reportAir Tractor AT 400 · Grand Forks, NDThe loss of engine power while maneuvering due to the failure of the power turbine blade assembly for reasons that could not be determined based on available evidence.NTSB GAA18CA476Accident · No injuriesData collectionFinal reportAir Tractor AT502 · Louise, MSThe pilot's improper landing flare, which resulted in a hard, bounced landing and a subsequent loss of directional control.NTSB CEN18FA263Accident · 1 fatalField investigationFinal reportAir Tractor AT-602 · Wheatley, ARThe pilot's failure to maintain clearance from terrain for reasons that could not be determined based on the available evidence.NTSB CEN18LA249Accident · No injuriesLimited investigationFinal reportAir Tractor AT502 · Tappen, NDThe partial loss of engine power for reasons that could not be determined based on the available evidence.NTSB CEN18FA201Accident · 1 fatalField investigationFinal reportAyres S2R · El Reno, OKThe pilot's failure to maintain clearance from tower guy wires while maneuvering during an aerial application flight.NTSB CEN18LA194Accident · No injuriesLimited investigationFinal reportAir Tractor AT 502B · Qulin, MOThe pilot’s improper weight-and-balance calculations and his decision to take off with the airplane at a high gross weight in high density altitude conditions, which resulted in an attempted takeoff that exceeded the airplane’s performance capability. Also…NTSB GAA18CA309Accident · No injuriesData collectionFinal reportAir Tractor AT 402 · Nicolaus, CAThe pilot’s failure to maintain adequate clearance from a power transmission wire.NTSB GAA18CA187Accident · No injuriesData collectionFinal reportBeech 99 · King Salmon, AKThe pilot’s failure to maintain an adequate approach path and runway centerline during the initial landing, which resulted in a hard landing to the left of the runway and damage to the landing gear and wing.