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 ATL94LA084Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Ozark, ALA loss of engine power for undetermined reasons. A factor was the soft terrain.NTSB SEA94LA092Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Levan, UTThe left main landing gear wheel bearing broke resulting in the wheel jamming and the airplane nosing over.NTSB ANC94GA041Accident · Minor injuriesFinal reportGrumman G21A · Mt. Fairweather, CanadaThe pilot's improper decision in attempting to outclimb the rising terrain with the existing airplane climb performance. Factors which contributed to the accident were: the pilot's inadequate preflight of the airplane, the over maximum gross weight of the…NTSB ATL94LA066Accident · No injuriesLimited investigationFinal reportBoeing PT-17 · Chamblee, GAThe pilot's failure to compensate for the wind condition during landing. A factor is a tailwind.NTSB LAX94LA155Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Chico, CAthe failure of the pilot to obtain/maintain sufficient flying speed during a downwind takeoff and climb, compounded by his reluctance to use full available takeoff power.NTSB ATL94LA045Accident · No injuriesLimited investigationFinal reportCessna 310R · Memphis, TNThe failure of the pilot of N2069C to follow the ATC directive to give way to N3844C, and the inadequate visual lookout by the pilot of N2069C. A factor was the dark night lighting condition at the time of the accident.NTSB CHI93LA373Accident · No injuriesLimited investigationFinal reportBeech 18-C45G · Jeffersonville, INthe mechanical binding of the landing gear extension mechanism.NTSB FTW93LA257Accident · 1 fatalLimited investigationFinal reportBeech C-45H · Fentress, TXInadvertent deployment of the skydiver's reserve parachute for undetermined reasons.NTSB ANC93T#A03Accident · No injuriesClass 3Final reportDe Havilland DHC-2 · Samsing Cove, AKNTSB FTW93LA221Accident · No injuriesLimited investigationFinal reportBoeing B75-N1 · Burnet, TXInadvertent groundloop by the pilot.NTSB CHI93LA303Accident · No injuriesLimited investigationFinal reportSchweizer G167B · Borup, MNthe loss of engine power due to a cracked cylinder head.NTSB ANC93LA127Accident · Minor injuriesLimited investigationFinal reportBeech D18S · Kodiak, AKThe pilot's improper in flight planning/decision. A factor was the partial loss of power on one engine.NTSB CHI93LA254Accident · No injuriesLimited investigationFinal reportGrumman G164B · Eldred, MNthe pilot's failure to maintain directional control during the takeoff roll.NTSB CHI93LA232Accident · No injuriesLimited investigationFinal reportSchweizer G-164 · Northwood, NDThe pilot in command's failure to attain a proper touchdown point.NTSB ANC93T#A02Accident · No injuriesClass 3Final reportDe Havilland DHC-2 · Tenakee Springs, AKNTSB FTW93LA179Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Kaplan, LAThe pilot's failure to have the airplane properly attended during start when people were available. A factor was the inadequate tie down rope.NTSB FTW93LA177Accident · No injuriesLimited investigationFinal reportWeatherly 620B · Crowley, LASevere propeller and airframe vibration for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.NTSB FTW93LA175Accident · No injuriesLimited investigationFinal reportGrumman G-164B · St. Martinville, LAThe pilot's and tractor driver's inadequate visual lookoutNTSB FTW93LA172Accident · Serious injuriesLimited investigationFinal reportGrumman G-164B · Walnut Ridge, ARThe pilot's failure to maintain adequate clearance.NTSB LAX93LA238Accident · No injuriesLimited investigationFinal reportBoeing B75N1 · Pacoima, CAA failure of the pilot to adequately compensate for cross wind conditions and a failure to maintain directional control of the airplane.NTSB CHI93DCQ01Accident · 1 fatalFinal reportGrumman G-164A · Liberal, KSthe pilot's failure to maintain clearance with the powerlines. A factor related to the accident were the powerlines which were contacted during the aerial application operation.NTSB FTW93LA169Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Weiner, ARPartial power loss due to improper installation of the linkage control bracket. A factor was the lack of suitable terrain for the forced landing.NTSB LAX93LA226Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Madera, CAThe pilot's failure to maintain directional control. A factor related to this accident was the left quartering tailwind.NTSB CHI93FA180Accident · 1 fatalField investigationFinal reportBeech C-18S · North Branch, MNexcessive use of brakes by the pilot-in-command.NTSB SEA93LA112Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · Hardin, MTThe pilot in command's failure to maintain directional control.NTSB FTW93LA153Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Arnaudville, LAThe loss of engine power for undetermined reasons. A factor was the unsuitable terrainNTSB BFO93LA064Accident · No injuriesLimited investigationFinal reportBeech E18S · Xenia, OHInadequate preflight by the pilot, which resulted in fuel exhaustion due to an inadequate supply of fuel.NTSB NYC93LA089Accident · No injuriesLimited investigationFinal reportBoeing E75 · Zanesville, OHImproper use of the throttle by the pilot.NTSB LAX93LA158Accident · Serious injuriesLimited investigationFinal reportBoeing A75L3 · Carlsbad, CAThe pilot's inadequate preflight preparation in that he failed to refuel the aircraft prior to departure.NTSB FTW93LA089Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Indian Village, LALanding performed short of the runway threshold. Factor was wet grassy terrainNTSB SEA93LA058Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · Bend, ORDirectional control not maintained and ground loop/swerve not corrected by the pilot in command.NTSB ANC93IA026Incident · No injuriesIncident investigationFinal reportGrumman G-21A · Akutan, AKThe incident was caused by the pilots improper compensation for the winds. Factors were the microburst, the rough water, and the pilot's inadequate evaluation of the weather conditions.NTSB MIA93WA028Accident · No injuriesForeign investigationGrumman G-21A · West Caicos Isl, Turks & Caicos IslandsNTSB CHI93LA007Accident · No injuriesLimited investigationFinal reportHoward DGA-15P · Wichita, KSInadequate preflight planning/preparation by the pilot, the pilot's over confidence in his personal ability, and airplane performance data not followed by the pilot.NTSB FTW93LA001Accident · No injuriesLimited investigationFinal reportBeech D18S · Brookston, TXSmoke trailing from the left engine for an undetermined reason(s). Factors contributing to the accident were unsuitable terrain conditions.NTSB LAX92LA391Accident · No injuriesLimited investigationFinal reportBeech D17S · Reno, NVThe pilots failure to maintain directional control during landing rollout. Contributing to the accident was a variable tailwind condition and the soft, rough nature of the terrain.NTSB DCA92MA048Accident · 12 fatalMajor investigationFinal reportBeech C-45H · Hinckley, ILInadequate maintenance and inspection by the operator which resulted in an engine power loss during the critical takeoff phase of flight. In addition, the pilot did not, or was unable to, attain a full-feather position on the left engine propeller, which…NTSB CHI92DEE04Accident · No injuriesFinal reportWeatherly 201B · Chana, ILFracture of a connecting rod resulting in loss of engine power.NTSB CHI92DEP04Accident · Minor injuriesFinal reportGrumman 164A · Elkhorn, WIThe pilot-in-command's inadequate compensation for wind conditions.NTSB CHI92DTG04Accident · No injuriesFinal reportGrumman G-164B · Grandin, NDThe cracked cylinder which resulted in a forced landing. The lack of suitable terrain on which to make an emergency landing was a factor.NTSB FTW92DPG14Accident · No injuriesFinal reportAir Tractor AT-300 · Wilmont, ARPower loss due to a failed cracked cylinder. A factor was the lack of suitable terrain for the forced landing.NTSB ANC92LA128Accident · Minor injuriesLimited investigationFinal reportDe Havilland DHC-2 · Crescent Lake, AKThe pilot's misjudging his altitude on final approach. Contributing to the accident was the glassy water condition.NTSB CHI92DCJ05Accident · No injuriesFinal reportGrumman-Schweizer G-164B · Atkinson, NEA cracked engine cylinder.NTSB NYC92LA155Accident · No injuriesLimited investigationFinal reportBroussard MH-1521M · Elyria, OHThe pilot's improper flare resulting in a hard bounced landing and subsequent blown tire and loss of airplane control.NTSB ATL92LA154Accident · Minor injuriesLimited investigationFinal reportWeatherly 620A · Cobb, GAThe corroded, and separated, magnetic chip detector plug which allowed the loss of all engine oil and the engine's subsequent seizure. Factors were the inadequate 100 hour inspection, and the high vegetation in the forced landing field.NTSB LAX92LA339Accident · No injuriesLimited investigationFinal reportBeech D17S · Bishop, CAThe pilot's failure to maintain directional control; improper use of the rudder and excessive braking. Contributing to this accident was the pilot's lack of experience in the accident airplane make and model.NTSB CHI92LA235Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · St. Paul, MNThe pilot's inattentiveness and improper use of the airplanes brakes. A factor which contributed to this accident was the incorrect brake system installed on the airplane.NTSB MIA92LA159Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Toney, ALThe left main landing gear attachment bolt failed for undetermined reasons resulting in the collapse of both main landing gear during the take off roll.NTSB ATL92LA130Accident · Minor injuriesLimited investigationFinal reportGrumman 164A · Abbeville, ALThe pilot's failure to see and avoid the top utility wire.NTSB CHI92DTG03Accident · No injuriesFinal reportGrumman G-164A · Orr, NDA stall encountered during the spray run reversal turn. Factors related to the accident are the attempted downwind turn, and insufficient altitude for recovery.