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 CEN10CA426Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Alexandria, LAThe loss of engine power for undetermined reasons.NTSB ANC10CA091Accident · No injuriesData collectionFinal reportAvions Max Holste MH 1521 Broussard · Skwentna, AKThe pilot's inadequate crosswind compensation, which resulted in a loss of directional control.NTSB CEN10CA386Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Chillicothe, MOThe pilot's failure to maintain aircraft control during takeoff.NTSB ANC10CA054Accident · No injuriesData collectionFinal reportDehavilland DHC-2 MK. I(L20A) · Igiugig, AKThe pilot's decision to use only a portion of the available takeoff area, which resulted in a collision with terrain during takeoff.NTSB WPR10CA289Accident · Serious injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Courtland, CAThe pilot's failure to maintain clearance from terrain during low-altitude maneuvers.NTSB ANC10LA044Accident · No injuriesLimited investigationFinal reportDehavilland Beaver DHC-2 MK.1 · Anchorage, AKThe commercial pilot’s loss of airplane control while landing in a crosswind, resulting in a nose-over. Contributing to the accident was the check pilot's inadequate supervision of the commercial pilot while landing.NTSB WPR10CA254Accident · No injuriesData collectionFinal reportBoeing B75 · Yerington, NVThe pilot's inadequate compensation for the crosswind condition, resulting in the loss of directional control during the landing roll.NTSB WPR10LA212Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Buckeye, AZA partial loss of engine power during the takeoff roll for undetermined reasons.NTSB ERA10CA240Accident · No injuriesData collectionFinal reportGrumman G164 · Hampton, GAA total loss of engine power during a go-around due to fuel exhaustion as a result of the pilot's inadequate preflight planning.NTSB CEN10LA046Accident · Serious injuriesLimited investigationFinal reportYounkin J R Mullicoupe · Siloam Springs, ARA loss of engine power due to fuel starvation for undetermined reasons.NTSB ANC10CA001Accident · No injuriesData collectionFinal reportDehavilland DHC-2 · King Salmon, AKThe pilot's selection of an unsuitable takeoff area, and his decision to takeoff with a tailwind.NTSB CEN10TA006Accident · No injuriesFinal reportBeech E18S · Jones Creek, TXThe pilot's failure to see and avoid the radio tower.NTSB WPR09CA393Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Westley, CAThe pilot’s inadequate preflight planning and preparation, and his decision to operate the airplane well in excess of its maximum gross weight.NTSB CEN09FA518Accident · 2 fatalField investigationFinal reportBeech E18S · Eden Prairie, MNThe pilot’s lack of experience flying the accident make and model of airplane, which led to a loss of control while maneuvering to return to the airport. Contributing to the accident was a partial loss of engine power for undetermined reasons.NTSB CEN09CA474Accident · No injuriesData collectionFinal reportBeech H-18 · Dayton, OHThe pilot's failure to lock the tailwheel during landing resulting in the loss of directional control.NTSB ANC09LA072Accident · No injuriesLimited investigationFinal reportDehavilland Beaver DHC-2 · Iliamna, AKThe pilot's selection of an unsuitable landing/takeoff area with an unfavorable wind.NTSB CEN09CA452Accident · Minor injuriesData collectionFinal reportWeatherly 620B · New England, NDThe loss of engine power for undetermined reasons while maneuvering at low altitude.NTSB CEN09LA444Accident · 1 fatalLimited investigationFinal reportBeech TC-45J · Verdel, NEThe pilot's improper decision to fly an airplane that was not airworthy and for which he was not properly rated to operate, and his failure to maintain control of the airplane during a forced landing to a field following an engine failure. Contributing to the…NTSB ANC09CA066Accident · No injuriesData collectionFinal reportBeech G18S · Yakutat, AKThe pilot's failure to maintain directional control during landing, which resulted in a runway excursion, and main landing gear collapse.NTSB WPR09LA247Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · Joshua Tree, CAAn in-flight fire in the engine compartment for undetermined reasons.NTSB WPR09CA265Accident · No injuriesData collectionFinal reportBoeing E75 · Cottonwood, AZThe pilot's inadequate compensation for the crosswinds during the landing roll.NTSB WPR09LA227Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Colfax, WAA total loss of engine power due to excessive wear in several carburetor components that led to a malfunction of the carburetor.NTSB ERA09LA108Accident · Serious injuriesLimited investigationFinal reportBeech E18S · Fort Myers, FLThe failure of the right propeller to go to the feathered position for undetermined reasons following a total loss of right engine power during initial climb due to fuel starvation as a result of the pilot's improper fuel planning.NTSB DEN08LA150Accident · No injuriesLimited investigationFinal reportWeatherly 620B · Atkinson, NEThe total loss of engine power due to water contamination and corrosion within the fuel system at an undetermined time and from an undetermined source.NTSB SEA08CA171Accident · No injuriesData collectionFinal reportde Havilland Beaver DHC-2 MK.1 · Kenmore, WAThe pilot's failure to maintain aircraft control while water taxiing. Contributing to the accident were the pilot's failure to compensate for the wind condition and a tailwind.NTSB CHI08CA231Accident · No injuriesData collectionFinal reportWeatherly 201B · Creston, ILThe pilot's selection of the unsuitable terrain next to the runway to avoid the landing traffic. Contributing to the accident was the hill in the middle of the runway that blocked the pilot's view of the other traffic and the high vegetation near the runway.NTSB LAX08CA223Accident · Minor injuriesData collectionFinal reportGrumman Acft Eng G-164B · Patterson, CAThe pilot's failure to maintain clearance from obstacles while maneuvering.NTSB LAX08LA193Accident · 1 fatalLimited investigationFinal reportSnow S2C · Glenn's Ferry, IDFailure of the pilot to maintain an adequate airspeed resulting in an aerodynamic stall/spin while maneuvering.NTSB DFW08CA168Accident · Minor injuriesData collectionFinal reportGrumman G-164 · Tallulah, LAThe pilot's failure to maintain aircraft control. Contributing to the accident was the pilot's failure to maintain adequate airspeed.NTSB DEN08LA106Accident · Serious injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · O'Kean, ARAn inadvertent accelerated stall. Contributing factors in this accident were the low airspeed, steep angle of bank, and heavy weight.NTSB LAX08LA177Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Wilder, IDThe loss of engine power as a result of failure of the supercharger. Contributing to the accident was the lack of suitable terrain for the forced landing.NTSB DFW08CA159Accident · No injuriesData collectionFinal reportBeech E-18 · Guymon, OKThe pilot's failure to maintain directional control during landing roll out. Contributing to the accident was the crosswind.NTSB DFW08CA145Accident · No injuriesData collectionFinal reportWeatherly 201B · Nickerson, KSThe pilot's failure to maintain directional control during the takeoff roll.NTSB ANC08LA067Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 · Juneau, AKStructural damage to the airplane as the result of a birdstrike.NTSB ANC08CA066Accident · No injuriesData collectionFinal reportde Havilland DHC-2 · Talkeetna, AKThe pilot's inadvertent activation of the main landing gear brakes during the recovery from a bounced landing.NTSB DFW08CA098Accident · No injuriesData collectionFinal reportWeatherly 620B · Coleman, TXThe pilot's failure to maintain airplane control on the landing roll. A contributing factor was the variable wind.NTSB ANC08FA050Accident · Serious injuriesField investigationFinal reportGrumman G-21A · Unalaska, AKThe pilot's failure to maintain clearance from a truck while landing, and the vehicle operator's decision to ignore runway warning signals. Contributing to the accident was an inoperative vehicle gate system and the failure of airport management to adequately…NTSB SEA08CA093Accident · Minor injuriesData collectionFinal reportGrumman G-164A · Dayton, WAThe pilot's inadequate compensation for the wind conditions and failure to maintain an adequate airspeed. A contributing factor was the sudden windshift.NTSB LAX08CA082Accident · No injuriesData collectionFinal reportGrumman-Schweizer G-164B · Colfax, WAThe pilot's inadequate compensation for the wind conditions, failure to attain and maintain an adequate airspeed that resulted in a stall mush, and, the subsequent failure to maintain terrain and obstacle clearance during the takeoff initial climb.…NTSB DEN08LA064Accident · No injuriesLimited investigationFinal reportSpartan 7W · Santa Fe, NMFatigue failure of the right main landing gear, rendering directional control impossible and causing an overload failure of the left main landing gear.NTSB ANC08CA034Accident · No injuriesData collectionFinal reportde Havilland DHC-2 · McGrath, AKThe pilot's failure to maintain directional control of the airplane during an aborted takeoff.NTSB MIA08LA014Accident · No injuriesLimited investigationFinal reportCessna C208B · Opa Locka, FLFailure of the local controller to coordinate with the ground controller and the failure of the pilots to see and avoid each other.NTSB ANC08CA002Accident · Minor injuriesData collectionFinal reportde Havilland DHC-2 · King Salmon, AKThe pilot's inadequate compensation for gusty wind conditions during the final approach to land, which resulted in the airplane colliding with terrain. A factor contributing to the accident was the gusty wind.NTSB NYC07FA234Accident · Serious injuriesField investigationFinal reportBeech H-18 · Ft. Lauderdale, FLA total loss of engine power due to fuel starvation as a result of the pilot's failure to place the fuel selector for the right engine in the proper position. Contributing to the accident was the improper loading of the cargo.NTSB NYC07LA207Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Goshen, NYA loss of engine power during cruise flight for undetermined reasons.NTSB ANC07MA083Accident · 5 fatalMajor investigationFinal reportde Havilland DHC-2 · Ketchikan, AKAn inadvertent aerodynamic stall resulting from the pilot's poor decision-making and inadequate planning and execution when he took off toward nearby rising terrain, in strong winds, under circumstances where his options for maneuvering were severely limited…NTSB ANC07WA078Accident · No injuriesForeign investigationde Havilland DHC-2 · Victoria, CanadaNTSB ANC07FA068Accident · 5 fatalField investigationFinal reportde Havilland DHC-2 · Ketchikan, AKThe pilot's decision to continue under visual flight rules into an area of instrument metrological conditions. Contributing to the accident was the pilot's inadequate weather evaluation, and the FAA's inadequate surveillance of the commercial air tour…NTSB DEN07LA122Accident · Serious injuriesLimited investigationFinal reportBeech C-45H · Longmont, COThe instructor pilot's improper preflight in that he failed to close the rocker box recovery system drain valves, resulting in a total loss of lubricating oil and subsequent oil starvation to both engines. A contributing factor was the trees.NTSB CHI07CA210Accident · No injuriesData collectionFinal reportBoeing A-75N1 · Oelwein, IAThe pilot's failure to maintain directional control of the airplane during a landing roll. Factors associated with the accident was the gusty crosswind condition and the corn crop.