Fatal NTSB investigations: Pratt & Whitney PT6A series
130 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.\"highestInjuryLevel\" = 'Fatal'
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."highestInjuryLevel" = 'Fatal'
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 ANC14FA022Accident · 2 fatalField investigationFinal reportCessna 208B · Kwethluk, AKThe check airman's delayed remedial action and initiation of a recovery procedure after a simulated pitch trim excursion, which resulted in a loss of airplane control.NTSB CEN14FA167Accident · 5 fatalField investigationFinal reportSocata TBM 700 · Ridgway, COThe pilot's loss of airplane control during an instrument approach procedure, which resulted in the airplane exceeding its critical angle of attack and entering an inadvertent aerodynamic stall and spin.NTSB WPR14FA068Accident · 1 fatalField investigationFinal reportCessna 208B · Kalaupapa, HIThe loss of engine power due to the fracture of multiple blades on the compressor turbine wheel, which resulted in a ditching. The reason for the blade failures could not be determined due to secondary thermal damage to the blades.NTSB ANC14MA008Accident · 5 fatalMajor investigationFinal reportCessna 208B · Saint Marys, AKThe pilot's decision to initiate a visual flight rules approach into an area of instrument meteorological conditions at night and the flight coordinators' release of the flight without discussing the risks with the pilot, which resulted in the pilot…NTSB ERA13FA168Accident · 3 fatalField investigationFinal reportPiper PA-31T · Fort Lauderdale, FLThe pilot's failure to maintain airplane control following an emergency, the nature of which could not be determined because of crash and fire damage, which resulted in an aerodynamic stall.NTSB CEN13FA135Accident · 1 fatalField investigationFinal reportCessna 208B · Pellston, MIThe pilot's inadvertent controlled descent into terrain due to spatial disorientation. Contributing to the accident was lack of visual reference due to night conditions.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 CEN13FA049Accident · 1 fatalField investigationFinal reportCessna 208B · Wichita, KSThe total loss of engine power as a result of a fractured compressor turbine blade due to high-cycle fatigue.NTSB CEN12FA312Accident · 1 fatalField investigationFinal reportAir Tractor AT-802A · Sedgwick, ARThe 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 WPR12LA220Accident · 1 fatalLimited investigationFinal reportGrumman G 164D · Nicolaus, CAThe pilot’s failure to maintain airplane control during a low-altitude maneuver.NTSB WPR11FA221Accident · 1 fatalField investigationFinal reportAir Tractor AT-802A · Miles City, MTThe pilot's continued visual flight rules flight into deteriorating weather conditions in an airplane not equipped for instrument flight, which resulted in a collision with terrain.NTSB ERA11FA183Accident · 2 fatalField investigationFinal reportDehavilland DHC-6-100 · Hampton, GAThe pilot did not maintain airspeed while maneuvering, which resulted in an aerodynamic stall.NTSB ERA11WA090Accident · 2 fatalForeign investigationHawker Beechcraft TC-45J · Nassau, BahamasOn December 14, 2010, about 1442 eastern standard time, a Hawker Beechcraft TC-45J, N38L, registered to and operated by Monarch Air Group, impacted ocean waters about 7 miles southwest of Lynden Pindling International Airport (MYNN), Nassau, Bahamas. The…NTSB CEN10FA119Accident · 1 fatalField investigationFinal reportPiper PA-31T · Forest City, IAThe pilot's failure to maintain airplane control during final approach.NTSB CEN09FA126Accident · 2 fatalField investigationFinal reportPilatus PC-12/45 · Hayden, COThe pilot's loss of control due to snow/ice contamination on the airplane's lifting surfaces as a result of his decision not to deice the airplane before departure.NTSB ERA09WA037Accident · 3 fatalForeign investigationBeech 65A90 · Timehri, GuyanaNTSB ERA09WA028Accident · 1 fatalClass 5 · ForeignHawker-Beechcraft 100 · Bauru, BrazilNTSB DFW08LA143Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-502B · Wheatley, ARThe pilot's failure to maintain airspeed, resulting in an inadvertent low-altitude aerodynamic stall.NTSB CHI08FA045Accident · 2 fatalField investigationFinal reportCessna 208B · Columbus, OHThe pilot's failure to maintain aircraft control and collision avoidance with terrain due to spatial disorientation. Contributing to the accident were the low cloud ceiling and night conditions.NTSB LAX08MA007Accident · 10 fatalMajor investigationFinal reportCessna 208B · Naches, WAThe pilot's failure to maintain an adequate airspeed to avoid an aerodynamic stall while maneuvering. Contributing to the accident were the pilot's impaired physiological state due to hypoxia, the pilot's inadequate preflight weather evaluation, and his…NTSB DEN08FA003Accident · 3 fatalField investigationFinal reportRaytheon C90A · Pagosa Springs, COThe pilot's failure to maintain clearance from mountainous terrain. Contributing to the accident was the pilot's inadequate preflight planning, improper in-flight planning and decision making, the dark night, and the controller's failure to issue a safety…NTSB ANC07FA073Accident · 4 fatalField investigationFinal reportPiper PA-46-350P · Sitka, AKThe pilot's failure to maintain altitude/distance from obstacles during an IFR circling approach, and his failure to follow the instrument approach procedure. Contributing to the accident was clouds.NTSB CHI07LA213Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-402A · Laurel, IAThe pilot failed to maintain clearance with the upsloping terrain for undetermined reasons.NTSB DEN07WA113Accident · 2 fatalForeign investigationCessna 208B · Inverin, IrelandNTSB CHI07LA147Accident · 1 fatalLimited investigationFinal reportThrush S2RHG-T65 · Tyndall, SDThe pilot not maintaining altitude/clearance from a powerline while maneuvering. A factor was the low visibility associated with the thunderstorm and the powerlines.NTSB DEN07WA060Accident · 1 fatalForeign investigationPiper PA-31T · Rieschweiler, GermanyNTSB NYC07FA065Accident · 3 fatalField investigationFinal reportSocata TBM 700 · Dartmouth, MABoth pilots' failure to maintain aircraft control during a missed approach.NTSB DEN07LA020Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-502A · Deming, NMThe pilot's failure to maintain aircraft control while maneuvering resulting in an inadvertent stall and impact with terrain. A contributing factor was the low airspeed.NTSB LAX07FA012Accident · 5 fatalField investigationFinal reportPiper PA-42 · Prescott, AZThe 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 DFW06LA163Accident · 1 fatalLimited investigationFinal reportAyres S2R-T34 · Colt, ARThe pilot's failure to maintain clearance with the ground during an aerial application flight.NTSB MIA06FA117Accident · 1 fatalField investigationFinal reportBeech 65-A90-1 · Tampa, FLThe poor in-flight planning decision by the captain for his failure to establish the airplane on a stabilized approach for a forced landing, resulting in the airplane landing on a taxiway near the departure end of the runway. Contributing to the accident were…NTSB DFW06LA130Accident · 1 fatalLimited investigationFinal reportGrumman G-164A · DeWitt, ARThe 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 IAD05RA102Accident · 6 fatalForeign investigationPilatus PC-6 · Brasilito, Costa RicaNTSB CHI05LA164Accident · 1 fatalLimited investigationFinal reportRockwell S-2R · Bristol, SDThe pilot's failure to maintain clearance with the static lines between the transmission towers. A factor associated with the accident were the static lines.NTSB SEA05FA025Accident · 2 fatalField investigationFinal reportCessna 208B · Bellevue, IDThe pilot's failure to maintain aircraft control while on approach for landing in icing conditions. Inadequate airspeed was a factor.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 CHI04FA043Accident · 2 fatalField investigationFinal reportPiper PA46-500TP · Daytona Beach, FLThe unqualified pilot's continued flight into known instrument meteorological conditions which resulted in spatial disorientation and subsequent loss of aircraft control. Factors were the pilot's lack of instrument flight experience and the low ceiling.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 DCA03WA056Accident · 9 fatalForeign investigationBeech King Air B200 · Madeira Islands, PortugalNTSB NYC03MA183Accident · 2 fatalMajor investigationFinal reportBeech 1900D · Yarmouth, MAThe improper replacement of the forward elevator trim cable, and subsequent inadequate functional check of the maintenance performed, which resulted in a reversal of the elevator trim system and a loss of control in-flight. Factors were the flightcrew's…NTSB ANC03FA096Accident · 2 fatalField investigationFinal reportReims 406 · Barrow, AKAn in-flight collision with ocean waters while maneuvering for an undetermined reason.NTSB CHI03LA118Accident · 2 fatalLimited investigationFinal reportAir Tractor AT-503A · Pontiac, ILThe pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall/spin. A factor associated with the accident was the low altitude maneuver.NTSB ATL03FA082Accident · 1 fatalField investigationFinal reportSocata TBM 700B · Mobile, ALThe improper installation of the power control linkage on the engine fuel control unit by maintenance personnel which resulted in a loss of power lever control, and the pilot's failure to follow emergency procedures and his intentional engine shutdown which…NTSB IAD03FA035Accident · 3 fatalField investigationFinal reportSocata TBM 700 · Leesburg, VAThe pilot's failure to fly a stabilized, published instrument approach procedure, and his failure to maintain adequate airspeed which led to an aerodynamic stall.NTSB DEN03MA035Accident · 5 fatalMajor investigationFinal reportPiper PA-31T · Denver, COBoth pilots' inadequate visual lookout. A contributing factor was the Cheyenne pilot operating the airplane with a known transponder deficiency.NTSB DCA03MA022Accident · 21 fatalClass 1 · MajorFinal reportBeech 1900D · Charlotte, NCthe airplane's loss of pitch control during take-off. The loss of pitch control resulted from the incorrect rigging of the elevator system compounded by the airplane's aft center of gravity, which was substaintially aft of the certified aft limit.…NTSB MIA03FA034Accident · 1 fatalField investigationFinal reportCessna 208B · Manteo, NCThe pilot's continued descent below the minimum descent altitude, for undetermined reasons, while performing a NDB approach, resulting in the airplane crashing into water 1.5 miles from the airport. A factor in the accident was a cloud ceiling below the…NTSB CHI03FA041Accident · 1 fatalField investigationFinal reportCessna 208B · Rockford, ILThe pilot's failure to maintain control of the airplane during the ILS approach. Factors associated with the accident were the low ceilings, high winds, crosswind, and wind shear conditions that existed.NTSB FTW03FA059Accident · 3 fatalField investigationFinal reportBeech 1900C · Eagleton, ARIn-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 DEN03FA012Accident · 4 fatalField investigationFinal reportCessna 208B · Parks, AZthe 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…