NTSB investigations: Pratt & Whitney PT6A series
650 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.\"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."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 CEN16LA288Accident · No injuriesLimited investigationFinal reportCessna 208B · Baldwin, WIThe pilot's decision to land the fully loaded parachutist drop airplane on a wet grass runway that had insufficient length for the landing in high temperature conditions, which resulted in a runway overrun, when a more suitable longer runway was available at…NTSB ERA16CA302Accident · No injuriesData collectionFinal reportBeech B200 · Burnsville, NCA collision with a bush during landing.NTSB GAA16CA308Accident · No injuriesData collectionFinal reportCessna 208 · Fort Dodge, IAThe flight crew's failure to install the tail stand prior to passenger boarding, which resulted in a tail strike.NTSB GAA16CA303Accident · No injuriesData collectionFinal reportAir Tractor AT 502 · Nicolaus, CAThe pilot's insufficient clearance from a power line during aerial application operations, which resulted in a power line strike, a forced landing on unsuitable terrain, loss of directional control, and collision with terrain.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 WPR16LA107Accident · Minor injuriesLimited investigationFinal reportCessna 208B · Acampo, CAA total loss of engine power due to a fatigue fracture of the fuel pressure line that connected the fuel control unit and the fuel flow transducer due to vibration as the result of a fatigue fracture of an associated support clamp. Contributing to the…NTSB GAA16CA224Accident · No injuriesData collectionFinal reportAir Tractor AT 502 · Oberlin, KSThe pilot's failure to maintain directional control during the landing roll, which resulted in runway excursion, and a ground loop.NTSB CEN16FA158Accident · 2 fatalField investigationFinal reportBeech 65 A90 1 · Slidell, LAThe unstable approach in black-hole conditions, resulting in the airplane overshooting the runway extended centerline and descending well below a safe glidepath for the runway. Contributing to the accident was the lack of monitoring by the copilot allowing…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 ERA16LA137Accident · No injuriesLimited investigationFinal reportBeech 99 · Rockland, METhe airplane’s encounter with isolated severe turbulence, which resulted in substantial airframe damage.NTSB OPS16IA009IncidentClass 3 · IncidentFinal reportCessna 172S · Honolulu, HIThe air traffic controller's decision to clear an aircraft to land on a runway occupied by another aircraft that had previously been instructed to line up and wait. Contributing to the runway incursion was the failure of the air traffic controller to visually…NTSB GAA16CA109Accident · Minor injuriesData collectionFinal reportCessna CE-208 · Hooper Bay, AKThe pilot's failure to identify the runway, resulting in the airplane touching down a few feet to the right of the runway.NTSB GAA16CA348Accident · No injuriesData collectionFinal reportBeech B200 · Carolina, PRThe pilot's failure to actuate the parking brake prior to leaving his seat, resulting in substantial damage.NTSB CEN16LA076Accident · No injuriesLimited investigationFinal reportBeech 200 · Gary, INThe pilot's failure to maintain the glidepath and appropriate airspeed during landing in icing conditions, which resulted in an aerodynamic stall and a hard landing.NTSB CEN16LA089Accident · No injuriesLimited investigationFinal reportCessna 208B · Grand Forks, NDThe pilot's failure to properly calculate the airplane's weight and balance and center of gravity, which resulted in the tail striking the ground.NTSB CEN16LA052Accident · No injuriesLimited investigationFinal reportCessna 208B · Chicago, ILThe failure of the driver of the service vehicle to yield to the taxiing airplane, which resulted in a near-collision and tail strike.NTSB CEN15LA389Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT 502B · Monroe, NELoss of propeller thrust for reasons that could not be determined, since examination of the airplane's engine, propeller, and associated accessories revealed no anomalies.NTSB ERA15WA310Accident · Minor injuriesForeign investigationCessna 208B · Saba, NTOn August 12, 2015, at 1630 Universal Coordinated Time (UTC), a Cessna 208B, U.S. Registration N924FE, operated by Mountain Air Cargo, was substantially damaged following a loss of engine power and ditching in the Caribbean Sea near Saba, Netherlands…NTSB ERA15LA293Accident · Serious injuriesLimited investigationFinal reportBeech C90B · Georgetown, KYUndetermined based on the available evidence.NTSB GAA15CA194Accident · No injuriesData collectionFinal reportAir Tractor AT 402B · Monte Vista, COThe pilot's failure to maintain directional control during the landing, which resulted in a runway excursion and collision with objects.NTSB ERA15FA181Accident · 4 fatalField investigationFinal reportPiper PA-31T1 · Fort Lauderdale, FLA rapid onset of smoke and/or fire inflight for reasons that could not be determined due to the postimpact fire and the condition of the wreckage.NTSB CEN15IA200Incident · No injuriesIncident investigationFinal reportAir Tractor AT 402A · Brickeys, ARThe in-flight separation of the attachment hardware at the elevator control pushrod due to maintenance personnel's improper reinstallation of the attachment hardware.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 CEN15LA180Accident · Minor injuriesLimited investigationFinal reportCessna 208B · Verdigris, OKThe fuel pump gear manufacturer’s allowance of set-up gears made from a nonconforming material to be put in the production inventory system, the installation of a nonconforming gear in the accident airplane’s production fuel pump, and the gear’s failure,…NTSB GAA15CA005Accident · No injuriesData collectionFinal reportCessna 208B · Muskegon, MIThe pilot's improper decision to continue the landing when the airplane was not in a safe position to land, resulting in the collision with ground-based approach lighting.NTSB WPR15CA110Accident · No injuriesData collectionFinal reportRaytheon B300 · Mammoth Lakes, CAThe airplane encountered extreme turbulence during descent.NTSB ERA15LA124Accident · No injuriesLimited investigationFinal reportDehavilland DHC 6 Twin Otter · Sebastian, FLThe pilot's failure to conduct all of the required items on the Before Starting Engines checklist, which resulted in her failure to detect an open hydraulic circuit breaker and led to insufficient hydraulic pressure to operate the airplane's brakes, her…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 CEN15LA091Accident · No injuriesLimited investigationFinal reportCessna 208B · Roswell, NMThe pilot's failure to maintain adequate airspeed to compensate for icing on the airplane's wings and control surfaces during a circling approach, which resulted in an aerodynamic stall and impact with terrain.NTSB CEN15FA034Accident · 4 fatalField investigationFinal reportRaytheon B200 · Wichita, KSThe pilot's failure to maintain lateral control of the airplane after a reduction in left engine power and his application of inappropriate rudder input. Contributing to the accident was the pilot's failure to follow the emergency procedures for an engine…NTSB DCA15RA018Accident · 2 fatalForeign investigationShort Bros Shorts SD3 60 · Sint Maartin -Juliana, NTimportNTSB ERA14CA458Accident · No injuriesData collectionFinal reportBeech C90 · Oneida, TNThe pilot's failure to properly configure the rudder trim for takeoff and his failure to maintain directional control during a precautionary landing, which resulted in a runway excursion and collision with terrain.NTSB ERA14FA399Accident · 1 fatalField investigationFinal reportAir Tractor AT-802A · Parsons, TNThe pilot’s failure to see and avoid trees during a low-level aerial application operation.NTSB ENG14IA018Incident · No injuriesIncident investigationFinal reportPiper PA46 500TP · Denver, COThe pilots' incorrect activation of the Manual Override Lever, during ground operation, in an attempt to correct a sub-idle speed condition of the engine, resulting in an over-temperature of the CT blades, their subsequent distress and failure of the engine.…NTSB CEN14LA349Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-502 · Carthage, ILThe airplane’s inability to climb out of ground effect, which resulted from the pilot using a lower power setting than needed for takeoff due to the mechanic’s installation of the wrong engine torque gauge.NTSB WPR14LA267Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT 502B · Sacramento, CAThe total loss of engine power for reasons that could not be determined because the airplane was not available for postaccident examination.NTSB ANC14CA044Accident · No injuriesData collectionFinal reportCessna 208B · Egegik, AKThe pilot's loss of situational awareness during the takeoff roll resulting in a collision with a refrigeration trailer.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 CEN14LA299Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT 502 · Dell, ARThe 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 WPR14LA245Accident · No injuriesLimited investigationFinal reportAir Tractor AT 502B · Princeton, CAThe partial loss of engine power during takeoff for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB ERA14FA288Accident · 1 fatalField investigationFinal reportPiper PA-46-500TP · White Plains, NYThe pilot's failure to maintain a positive climb rate after takeoff due to spatial disorientation (somatogravic illusion). Contributing to the accident was the pilot's self-induced pressure to depart and his decision to depart in low-ceiling and…NTSB CEN14CA283Accident · No injuriesData collectionFinal reportAyres S2R T34 · Wilmont, ARPilot'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 CEN14LA272Accident · 1 fatalLimited investigationFinal reportDehavilland DHC 6 200 · Middletown, OHThe skydiving operator employee’s failure to see and avoid the rotating propeller blades when she walked toward the cockpit while the airplane’s engines were running.NTSB ANC14CA036Accident · No injuriesData collectionFinal reportCessna 208B · Aniak, AKThe pilot's failure to maintain clearance from a forklift while taxiing.NTSB ERA14LA235Accident · No injuriesLimited investigationFinal reportPacific Aerospace 750XL · Warrenton, VAThe pilot’s improper landing flare, which resulted in a hard landing and separation of the left main landing gear.NTSB CEN14LA211Accident · 1 fatalLimited investigationFinal reportAir Tractor AT 502B · Garfield, KSThe pilot’s inadequate preflight planning and subsequent failure to remain clear of power lines while maneuvering low to the ground.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…