NTSB investigations: Pratt & Whitney R-985 series
1,867 cases on aircraft whose registry engine model is Pratt & Whitney R-985 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 ('52008'))
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 ('52008'))
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 ANC07CA053Accident · No injuriesData collectionFinal reportGrumman G21A · Dutch Harbor, AKThe pilot's inadequate compensation for wind conditions during the takeoff roll, which resulted in a loss of directional control and a nose over.NTSB DFW07CA131Accident · No injuriesData collectionFinal reportGrumman G-164A · Okarche, OKThe pilot's failure to maintain clearance from an unmarked light fixture.NTSB SEA07CA169Accident · No injuriesData collectionFinal reportBoeing Stearman A75N1 · Coeur d'Alene, IDThe pilot's failure to maintain directional control during landing. The crosswind condition was a contributing factor.NTSB CHI07CA161Accident · No injuriesData collectionFinal reportWeatherly 201C · Mc Clusky, NDThe pilot's failure to check for fuel contamination during the preflight inspection, which resulted in a loss of engine power shortly after takeoff due to water contamination. Contributing factors to the accident included the rough/uneven field and the…NTSB DFW07CA128Accident · No injuriesData collectionFinal reportDoggett Jack Samson · Conroe, TXThe failure of the main landing gear for undetermined reasons.NTSB MIA07CA100Accident · Serious injuriesData collectionFinal reportHillery W. Grice Alley Cat 1 · Fairhope, ALThe failure of the pilot-in-command to maintain terrain clearance while completing a loop at an airshow, resulting in impact with the runway.NTSB LAX07LA079Accident · Minor injuriesLimited investigationFinal reportWaco UPF-7 · Palos Verdes, CAthe failure of both pilots to maintain adequate visual lookout and clearance from each other while maneuvering in close proximity.NTSB CHI06CA272Accident · No injuriesData collectionFinal reportBoeing A75N1 · Garrettsville, OHThe pilot's failure to maintain directional control during the takeoff roll. The bush and tree were factors to the accident.NTSB ANC06FA131Accident · 2 fatalField investigationFinal reportde Havilland DHC-2 · Skwentna, AKThe pilot's continued VFR flight into instrument meteorological conditions, which resulted in an in-flight collision with mountainous terrain. A factor associated with the accident was a low cloud ceiling.NTSB CHI06CA225Accident · No injuriesData collectionFinal reportWeatherly 620B · Sioux Center, IAThe pilot's mismanagement of the fuel system which resulted in the loss of engine power due to fuel starvation and his failure to maintain aircraft control during the subsequent forced landing. A factor to the accident was the soybean crop.NTSB ANC06LA112Accident · No injuriesLimited investigationFinal reportBeech BE-18 · Culebra, PRA loss of engine power due to fuel starvation/exhaustion in all engines for an undetermined reason during cruise flight, which resulted in a forced landing and ditching.NTSB ANC06LA109Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 MK.1 · Anaktuvuk Pass, AKThe pilot's failure to abort the takeoff at his predetermined reference point, which resulted in a collision with the shore during takeoff-initial climb, and structural damage to the airplane.NTSB CHI06CA162Accident · Minor injuriesData collectionFinal reportWeatherly 201B · Bowbells, NDThe pilot's failure to maintain clearance to the rising terrain while maneuvering during the agricultural application flight. Contirbuting factors were the low altitude operation and the rising terrain.NTSB CHI06LA147Accident · Minor injuriesLimited investigationFinal reportAllied Ag Cat Productions G-164A · Gonvick, MNThe aborted takeoff not performed by the pilot. A contributing factor is the reported loss of takeoff performance.NTSB NYC06LA142Accident · Minor injuriesLimited investigationFinal reportWeatherly 201B · Southampton, NJThe failure of the engine's supercharger, which resulted in a loss of engine power, and subsequent forced landing.NTSB LAX06LA169Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Tracy, CAloss of power for undetermined reasons.NTSB MIA06CA099Accident · No injuriesData collectionFinal reportHoward DGA-15P · Merritt Island, FLThe failure of the pilot to comply with the before landing checklist for his failure to lock the tailwheel.NTSB DFW06CA113Accident · Minor injuriesData collectionFinal reportGrumman-Schweizer G-164B · De Witt, ARThe pilot's failure to maintain control of the airplane during takeoff. A contributing factor was the gusty winds.NTSB DFW06LA087Accident · 1 fatalLimited investigationFinal reportWeatherly 201B · Hondo, TXA loss of aircraft control for undetermined reasons.NTSB DEN06CA047Accident · Minor injuriesData collectionFinal reportBoeing D75N1 · Santa Teresa, NMthe pilot's failure to maintain directional control during the landing. Contributing factors include the high airspeed, the improper recovery from a bounced landing, the crosswind, and the soft dirt.NTSB DFW05CA236Accident · Serious injuriesData collectionFinal reportGrumman G-164B · Epps, LAThe pilot's failure to maintain clearance with the power lines.NTSB CHI05CA256Accident · No injuriesData collectionFinal reportBoeing A75N1 · Ellisville, ILThe loss of engine power due to the failure of the number four connecting rod. A factor to the accident was the soybean crop.NTSB ANC05CA137Accident · No injuriesData collectionFinal reportdeHavilland DHC-2 · Igiugig, AKThe pilot's delay in aborting the takeoff run when he was unable to lift one float off the water, which resulted in a subsequent collision with terrain. A factor contributing to the accident was a river bank.NTSB DFW05CA212Accident · No injuriesData collectionFinal reportGrumman G164B · Alexandria, LAThe pilot's failure to maintain adequate airspeed which resulted in a stall. A contributing factor was the high density altitude.NTSB CHI05LA214Accident · Minor injuriesLimited investigationFinal reportGrumman G-164 · Marshalltown, IAThe loss of engine power for an undetermined reason. A factor was the corn crop.NTSB CHI05LA213Accident · Serious injuriesLimited investigationFinal reportWeatherly 620-B · Osage, IAThe partial loss of engine power for an undetermined reason. Contributing factors were the wires and the trees.NTSB SEA05FA158Accident · 2 fatalField investigationFinal reportCessna 150M · Renton, WAThe failure of the DHC-2 Beaver pilot to understand air traffic advisory information and the failure of the Cessna pilot to maintain visual separation, resulting in a midair collision. A factor contributing to the accident was the inadequate traffic advisory…NTSB IAD05LA114Accident · 2 fatalLimited investigationFinal reportConvair BT-13A · Lyme, NHThe pilot's improper fuel management which resulted in an incorrect fuel selector position, fuel starvation, and subsequent loss of engine power. A factor in the accident was the pilot's failure to maintain adequate airspeed and inadvertent stall.NTSB CHI05WA182Accident · 2 fatalForeign investigationWaco UPF-7 · Moose Jaw, CanadaNTSB CHI05LA176Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Buxton, NDA loss of engine power on takeoff due to undetermined reasons. A factor was the ditch that the airplane contacted during the forced landing.NTSB SEA05CA132Accident · No injuriesData collectionFinal reportWeatherly 620B · Teton, IDThe pilot's failure to maintain clearance from power transmission lines while maneuvering.NTSB ANC05LA082Accident · No injuriesLimited investigationFinal reportdeHavilland DHC-2 · King Salmon, AKThe pilot's failure to correct for torque/P-Factor during the takeoff run, and his delay in aborting the takeoff, which resulted in a loss of directional control and subsequent wing collision with the surface of the water. A factor contributing to the…NTSB DFW05LA138Accident · 1 fatalLimited investigationFinal reportStearman D75 · Taylor, TXThe pilot's failure to maintain clearance from an unmarked transmission line. A contributing factor was low altitude selected by the pilot.NTSB DFW05CA132Accident · Minor injuriesData collectionFinal reportWeatherly 201B · Tornillo, TXThe loss of engine power as result of the failure of a cylinder.NTSB LAX05LA152Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Yuba City, CAa partial loss of engine power due to multiple cracks in the number 7 cylinder. The reasons for the cracks were not determinedNTSB CHI05LA104Accident · Minor injuriesLimited investigationFinal reportWeatherly 620B · Downs, KSThe loss of engine power due to the failure of the number two cylinder which was the result of the maintenance facility's failure to detect the fatigue crack in the number two cylinder during the engine overhaul. A factor to the accident was the soft field.NTSB ANC05TA058Accident · Minor injuriesFinal reportde Havilland DHC-2 · Talkeetna, AKThe pilot's selection of unsuitable terrain for taxi after landing, which resulted in the collapse of the main landing gear and structural damage to the right wing and forward fuselage. A factor associated with the accident was the rough and uneven terrain.NTSB DFW05CA084Accident · No injuriesData collectionFinal reportGrumman G-164A · Gilbert, LAThe pilot's failure to maintain control of the airplane during landing. A contributing factor was a deflated right main tire.NTSB ANC05LA046Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 · Talkeetna, AKAerodynamic flutter of the ailerons during normal cruise flight due to their improper maintenance/balancing, which resulted in structural damage to the airplane's wings.NTSB MIA05LA062Accident · No injuriesLimited investigationFinal reportHoward DGA-15 · Daytona Beach, FLMaintenance personnel failure to detect corrosion in the landing gear strut, resulting in the gear collapsing during landing and damage to the airplane.NTSB IAD05LA038Accident · Minor injuriesLimited investigationFinal reportGrumman G-21A · Penn Yan, NYThe flight instructor's inadequate planning/decision and his remedial action to conduct or recover from a simulated emergency procedure.NTSB LAX04FA330Accident · Serious injuriesField investigationFinal reportBushmaster 2000 · Fullerton, CAthe inadequate preflight inspection by the pilot-in-command, where the pilot failed to remove the makeshift gust lock attached to the rudder and left elevator of the airplane. As a result, the airplane veered off the runway surface during the takeoff roll,…NTSB ANC04CA114Accident · No injuriesData collectionFinal reportde Havilland DHC-2 · Willow, AKThe pilot's selection of an unsuitable landing area, which resulted in an on-ground collision with trees during the landing roll. A factor associated with the accident were trees.NTSB CHI04CA244Accident · Minor injuriesData collectionFinal reportBeech BE-18 · Lakeville, MNThe pilot's inadequate flare, the improper recovery from a bounced landing, the loss of directional control, and inadequate compensation for the crosswind. A factor was the crosswind.NTSB ANC04LA097Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 · Kodiak, AKThe pilot's failure to abort the takeoff, which resulted in a collision with a river bank during the takeoff run.NTSB CHI04LA220Accident · 1 fatalLimited investigationFinal reportAllied Ag Cat Productions G-164B · Moville, IAThe pilot's inadequate in-flight planning/decision by his failure to maintain obstacle clearance. Contributing factors were low altitude flying and the tree.NTSB CHI04LA217Accident · No injuriesLimited investigationFinal reportGrumman G-164-B · Bradford, ILThe pilot's misjudgment of speed and distance, and his failure to perform a go-around. Additional factors were the wet runway and the ditch.NTSB FTW04CA200Accident · No injuriesData collectionFinal reportBoeing A75N1 · Bay City, TXThe pilot's failure to maintain directional control during landing. A contributing factor was the pilot's decision to land with a quartering tailwind.NTSB SEA04LA139Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Nyssa, ORThe failure (fracture) of the number four cylinder head during an aerial application run. Factors include the soft crop-covered terrain.NTSB CHI04LA184Accident · Serious injuriesLimited investigationFinal reportGrumman G-164B · York, NEA loss of engine power for undetermined reasons. Contributing to the accident were the low altitude at the time of power loss and the unsuitable landing area encountered during the forced landing.