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 GAA15CA120Accident · No injuriesData collectionFinal reportBeech RC 45J · Everett, WAThe pilot's failure to maintain directional control, which resulted in a runway excursion, and a collision with a sign.NTSB CEN15LA204Accident · Minor injuriesLimited investigationFinal reportGrumman G 164A · Maysville, OKThe loss of engine power for reasons that could not be determined because a postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.NTSB WPR14CA365Accident · Minor injuriesData collectionFinal reportEaland Charles Lionheart · Santa Maria, CAThe pilot's inadequate landing flare and subsequent loss of directional control during the landing roll.NTSB WPR14CA293Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G 164B · Marysville, CAThe pilot's failure to adequately monitor the environmental conditions to assure the aircraft performance would afford an uneventful takeoff with the loading conditions. Contributing to the accident were the pilot's inability to jettison the load due to the…NTSB CEN14LA319Accident · Minor injuriesLimited investigationFinal reportGrumman G 164 · Anadarko, OKThe total loss of engine power while climbing after takeoff for reasons that could not be determined based on the available information.NTSB ERA14LA321Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G 164B · Farmington, DEThe pilot's inadequate preflight planning for a takeoff in high-density altitude conditions and his decision to reduce power during the initial climb, which led to the airplane exceeding its critical angle-of-attack and experiencing an aerodynamic stall.NTSB WPR14FA182Accident · 1 fatalField investigationFinal reportBoeing E75 · Fairfield, CAThe pilot's failure to maintain clearance from the runway during a low-level aerobatic maneuver due to his impairment by an over-the-counter antihistamine. Contributing to the severity of the pilot's injuries were the pilot's lack of fire protective clothing,…NTSB WPR14LA130Accident · No injuriesLimited investigationFinal reportGrumman G164 - A · Caruthers, CAAn undetected fatigue crack in the landing gear leg, which initiated at an electrical arc-induced damage site of undetermined origin and resulted in landing gear failure. Contributing to the severity of damage to the airplane was the close proximity of an…NTSB ERA14LA011Accident · 1 fatalLimited investigationFinal reportBoeing B75N1 · Tampa, FLThe parachutist’s low altitude departure from the right wing before the planned altitude and his delayed opening of his parachute canopy, which resulted in impact with a tree and then the ground before the parachute fully opened.NTSB CEN13LA561Accident · No injuriesLimited investigationFinal reportWeatherly 620 · Ulysses, KSAn in-flight fire and subsequent loss of engine power for reasons that could not be determined due to extensive fire damage to the airplane and its fuel and electrical systems.NTSB ANC13CA098Accident · No injuriesData collectionFinal reportDehavilland Beaver DHC 2 · Akhiok, AKThe pilot's failure to maintain directional control during takeoff in a gusty tailwind.NTSB ANC13CA087Accident · No injuriesData collectionFinal reportDehavilland DHC-2 MK. I(L20A) · Bethel, AKThe pilot's failure to maintain directional control and crosswind compensation during landing.NTSB CEN13FA274Accident · 2 fatalField investigationFinal reportBoeing-Stearman IB75A · Dayton, OHThe pilot's controlled flight into terrain. Contributing to the accident was the pilot's modified airshow maneuver, which placed the airplane at low altitude and airspeed and out of position within the performance area.NTSB CEN13FA324Accident · 1 fatalField investigationFinal reportWeatherly 620B · Ludlow, SDThe pilot’s failure to maintain control of the airplane while maneuvering, which resulted in an inadvertent stall. Contributing to the accident was task- and/or work-related fatigue.NTSB CEN13LA322Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Covington, OKThe airplane’s failure to climb after takeoff for reasons that could not be determined because postaccident examinations of the engine and airframe did not reveal any anomalies that would have precluded normal operation.NTSB ANC13FA054Accident · 1 fatalField investigationFinal reportDehavilland Beaver DHC-2 MK.1 · Petersburg, AKThe pilot’s failure to maintain adequate altitude above the trees, and his subsequent failure to maintain adequate airspeed while maneuvering to avoid the trees, which resulted in an inadvertent aerodynamic stall/spin and an uncontrolled descent.NTSB ANC13CA037Accident · No injuriesData collectionFinal reportDehavilland DHC-2 MK. I(L20A) · Anchorage, AKThe pilot’s failure to maintain directional control of the airplane while taxiing on a snow-covered taxiway.NTSB ANC13CA018Accident · No injuriesData collectionFinal reportDehavilland DHC-2 MK. I(L20A) · Skwentna, AKThe pilot's loss of control while landing in gusting wind conditions.NTSB WPR13CA031Accident · No injuriesData collectionFinal reportBeech D17S · Van Nuys, CAThe pilot of another airplane did not maintain a proper visual lookout during taxi, which resulted in an on-ground collision.NTSB ANC12CA092Accident · Minor injuriesData collectionFinal reportDehavilland Beaver U-6 · Kenai, AKThe pilot’s failure to maintain adequate ground clearance during his landing approach, which resulted in a collision with terrain.NTSB CEN12FA534Accident · 1 fatalField investigationFinal reportBeech G18 - S · Taylorville, ILThe pilot's failure to maintain adequate airspeed and use the appropriate flaps setting during sport-parachuting operations, which resulted in an aerodynamic stall/spin and a subsequent loss of control. Contributing to the accident was the pilot’s failure to…NTSB CEN12LA514Accident · Minor injuriesLimited investigationFinal reportWeatherly 620B · Holcomb, KSThe pilot's failure to use carburetor heat while operating in conditions conducive to carburetor icing, which resulted in a partial loss of engine power shortly after takeoff.NTSB CEN12LA458Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Egeland, NDThe partial loss of engine power for reasons that could not be determined during postaccident examinations.NTSB ANC12CA060Accident · No injuriesData collectionFinal reportDehavilland Beaver DHC-2 · Ketchikan, AKThe pilot’s failure to maintain directional control during a step turn on floats.NTSB ANC12LA051Accident · No injuriesLimited investigationFinal reportDehavilland DHC-2 · Talkeetna, AKThe loss of engine power after departure due to the separation of an engine cylinder.NTSB WPR12CA242Accident · No injuriesData collectionFinal reportGrumman G-164A · Riverton, WYThe pilot's loss of directional control during the landing roll and his deliberate application of excessive braking pressure, which resulted in a noseover.NTSB ANC12CA041Accident · No injuriesData collectionFinal reportDehavilland DHC-2 MK. I(L20A) · Talkeetna, AKThe pilot inadvertently landed with the parking brake set.NTSB WPR12LA201Accident · Minor injuriesLimited investigationFinal reportBeech 3NM · Pope Valley, CAA loss of power in one engine during takeoff, which resulted in a forced landing in a vineyard. The reason for the loss of engine power could not be determined from the available evidence.NTSB ANC12LA026Accident · Serious injuriesLimited investigationFinal reportDehavilland Beaver DHC-2 · Ketchikan, AKThe pilot's decision to depart in marginal visual meteorological conditions, and his continued visual flight into instrument meteorological conditions.NTSB ERA12CA079Accident · No injuriesData collectionFinal reportBeech C-45G · Lyman, MSThe collapse of the right main landing gear during landing due to an encounter with soft terrain.NTSB WPR12CA016Accident · No injuriesData collectionFinal reportBeech D17S · Phoenix, AZThe pilot's failure to extend the landing gear.NTSB WPR11LA384Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Oakesdale, WAThe pilot's decision to land with a high tailwind, which resulted in a nose-over.NTSB CEN11CA565Accident · No injuriesData collectionFinal reportWeatherly 201C · Bronson, IAThe pilot's failure to maintain clearance from terrain while maneuvering during an aerial application flight.NTSB ANC11TA079Accident · No injuriesFinal reportDehavilland DHC-2 MK. I(L20A) · Northway, AKThe pilot's failure to identify unsuitable terrain for landing and subsequent contact with a dirt mound, resulting in the separation of the tailwheel from the airframe.NTSB CEN11CA497Accident · No injuriesData collectionFinal reportGrumman Schweizer G-164A · North English, IAThe pilot's improper flare which resulted in a hard landing.NTSB CEN11FA444Accident · 1 fatalField investigationFinal reportBoeing B75N1 · Wetmore, COThe pilot's failure to maintain clearance from terrain while maneuvering at low altitude.NTSB WPR11LA260Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Buttonwillow, CAThe pilot's misjudgment of the landing approach and subsequent long landing and overrun of the runway resulting in a collision with ground obstacles. Contributing to the accident was the pilot's likely fatigue and dehydration.NTSB CEN11LA396Accident · Minor injuriesLimited investigationFinal reportGrumman G164 · Oak Ridge, LAThe flight instructor's failure to maintain adequate airspeed, which resulted in an aerodynamic stall and subsequent impact with trees.NTSB ERA11FA274Accident · 1 fatalField investigationFinal reportBeech E18S · Miami Gardens, FLThe pilot’s improper response to a loss of power in the No. 2 engine and his failure to ensure that the airplane was airworthy. Contributing to the accident was the inadequate engine maintenance by the operator's maintenance personnel.NTSB ERA11LA290Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Albion, NYA bearing failure in the engine’s supercharger section, which resulted in a total loss of engine power during flight. Contributing to the accident was the soft soil of the forced landing site.NTSB ERA11CA260Accident · Minor injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Belhaven, NCThe pilot's failure to maintain adequate clearance above crops while performing an aerial application flight.NTSB CEN11FA228Accident · Serious injuriesField investigationFinal reportWaco UPF-7 · Brownsville, TXThe loss of engine power for undetermined reasons.NTSB ANC11LA007Accident · No injuriesLimited investigationFinal reportBeech E18S-9700 · New Stuyahok, AKThe pilot's misjudgment of the runway surface condition, resulting in an aborted landing and collision with rising terrain during the ensuing takeoff attempt.NTSB ERA11CA035Accident · No injuriesData collectionFinal reportBoeing PT17 · Fayetteville, WVThe pilot's failure to maintain directional control during the takeoff roll.NTSB WPR11CA014Accident · No injuriesData collectionFinal reportBoeing A75N1(PT17) · Palm Springs, CAThe pilot's failure to maintain directional control during landing, resulting in a ground loop.NTSB CEN11CA071Accident · No injuriesData collectionFinal reportGrumman G-164 · Michigan, NDThe pilot's failure to abort the takeoff roll following a noticeable loss of engine power due to low engine compression and a magneto failure.NTSB CEN10CA568Accident · No injuriesData collectionFinal reportBeech D17S · Fort Worth, TXThe pilot’s improper fuel management, which resulted in a total loss of engine power due to fuel exhaustion.NTSB ANC10FA100Accident · 4 fatalField investigationFinal reportDehavilland DHC-2 · Katmai National Park, AKUndetermined.NTSB WPR10LA413Accident · Serious injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Buckeye, AZAn increase in engine rpm and vibration, which resulted in an aborted takeoff and runway excursion. The reason for the increased engine rpm and vibration could not be determined because of postaccident fire damage.NTSB ANC10FA064Accident · 1 fatalField investigationFinal reportDehavilland Beaver DHC-2 MK.1 · Ketchikan, AKThe pilot’s decision to continue the flight toward his destination in significant turbulence and downdrafts, and his subsequent failure to maintain control of the airplane while flying low over rising terrain.