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 LAX04CA258Accident · No injuriesData collectionFinal reportBoeing A 75N1 · Auburn, CAthe pilot undergoing instruction's overcontrol of the aircraft by his excessive use of the rudder control and failure to maintain directional control of the airplane during landing, which resulted in a ground loop. Contributing factors to the accident were…NTSB IAD04LA027Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Chatsworth, NJA blocked internal oil passage, which resulted in inadequate lubrication of the blower impeller shaft, and the subsequent partial loss of engine power.NTSB CHI04CA163Accident · No injuriesData collectionFinal reportGrumman G-164A · Hutchinson, MNThe pilot's failure to maintain airspeed during the low altitude turn after takeoff. A factor to the accident was the low altitude and the swampy terrain condition.NTSB CHI04CA151Accident · No injuriesData collectionFinal reportGrumman-Schweizer G-164B · Hope, NDThe pilot's failure to maintain clearance from the tree branches during the aerial-application flight. A factor to the accident was the trees.NTSB FTW04LA157Accident · No injuriesLimited investigationFinal reportSnow S2C · La Feria, TXThe pilot's failure to maintain clearance from the obstacle while maneuvering to perform an aerial application. A contributing factor was the high vegetation.NTSB SEA04LA085Accident · No injuriesLimited investigationFinal reportStinson SR-10E · Eliza Island, WAThe pilot's misjudgment of altitude/distance resulting in an undershoot of the runway.NTSB ANC04LA038Accident · No injuriesLimited investigationFinal reportGrumman G21 · Unalaska, AKThe inadvertent ground loop/swerve by the second pilot during the landing roll, and the first (check) pilot's inadequate supervision of the second pilot, which resulted in a loss of control and substantial damage to the airplane. Factors associated with the…NTSB NYC04LA040Accident · No injuriesLimited investigationFinal reportBeech H-18 · Westminster, MDThe pilot's failure to maintain control of the airplane after a failure of one propeller system. Factors in the accident were the failure to perform maintenance inspection and the failure of a bolt in the left propeller blade system.NTSB LAX04CA010Accident · No injuriesData collectionFinal reportAvions Max Holste MH 1521 Broussard · El Cajon, CAthe pilot's premature liftoff and his failure to attain an adequate takeoff airspeed, which resulted in a stall. The pilot's failure to correctly set the pitch trim before takeoff was a factor.NTSB NYC04CA005Accident · No injuriesData collectionFinal reportHoward DGA-15P · Leonardtown, MDThe pilot's failure to maintain directional control during an aborted landing.NTSB CHI03LA274Accident · No injuriesLimited investigationFinal reportBoeing A-75 · La Crosse, WIThe total loss of engine power due to a fatigue fracture of the engine's crankshaft. A factor was the corn crop.NTSB CHI03LA254Accident · No injuriesLimited investigationFinal reportWeatherly 620A · Doland, SDThe pilot's failure to maintain clearance from the wires and directional control not being possible due to the failure of the brake system. Factors contributing to the accident were the wires, the trees, and the failure of the brake system.NTSB LAX03LA239Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Hamilton City, CAThe pilot's failure to maintain adequate airspeed to avert stalling during a low altitude turn.NTSB ATL03LA118Accident · Minor injuriesLimited investigationFinal reportBoeing PT-17 · Hendersonville, NCThe pilot's inadequate preflight planning/preparation of fuel required for the flight, resulting in a total loss of engine power due to fuel exhaustion. A factor in the accident was pilot impairment due to alcohol consumption.NTSB ANC03CA088Accident · No injuriesData collectionFinal reportde Havilland DHC-2 · Iliamna, AKThe pilot's incorrect selection of the fuel selector valve position during takeoff which resulted in fuel starvation. A factor associated with the accident was inadequate transition training provided to the pilot by the company/operator management.NTSB LAX03LA195Accident · No injuriesLimited investigationFinal reportBoeing Stearman E75 · Casa Grande, AZThe pilot's inadequate compensation for the wind conditions, and his failure to maintain aircraft control resulting in an inadvertent ground loop.NTSB ANC03LA055Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 · Anchorage, AKThe pilot's incorrect positioning of the fuel tank selector to a nearly empty tank, which resulted in a loss of engine power due to fuel starvation, and subsequent emergency landing at an off-airport site.NTSB ANC03LA054Accident · No injuriesLimited investigationFinal reportdeHAVILLAND DHC-2 · Sitka, AKThe pilot's failure to retract the landing gear wheels of an amphibious float equipped airplane after departure from a paved runway, which resulted in a nose over when the airplane was landed on a nearby lake with the wheels extended. A contributing factor in…NTSB CHI03LA134Accident · Minor injuriesLimited investigationFinal reportWeatherly 620A · Melville, NDThe pilot's failure to maintain clearance from the wires. The low altitude operation and the wires were contributing factors.NTSB LAX03FA111Accident · 3 fatalField investigationFinal reportBeech 3NM · Anza, CAthe failure of the pilot to maintain an adequate airspeed resulting in a stall and loss of control.NTSB SEA03LA034Accident · No injuriesLimited investigationFinal reportBeech E18S · Burlington, WAThe pilot's failure to adequately remove ice/frost from the aircraft and to maintain airspeed during the initial climb after takeoff. An inadequate preflight was a factor.NTSB LAX03LA064Accident · Minor injuriesLimited investigationFinal reportWaco SRE · Prescott, AZThe pilot's failure to maintain directional control during landing resulting in a collision with a runway sign. Factors in the accident were the tailwind and the malfunctioning brake system.NTSB ANC02LA123Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 · Bethel, AKThe instructor pilot's inadequate preflight by his failure to remove all frost from the wings prior to takeoff, which resulted in an inadvertent stall and in-flight collision with terrain.NTSB ANC02LA098Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 · Ketchikan, AKThe pilot's failure to maintain an adequate visual outlook during cruise climb, which resulted in a midair collision between the two airplanes.NTSB DEN02LA091Accident · No injuriesLimited investigationFinal reportBoeing D75N1 · Watkins, COthe pilot's improper recovery from a bounced landing, resulting in an inadvertent ground loop. A contributing factor was the flight instructor's inadequate supervision of the pilot.NTSB MIA02LA150Accident · Minor injuriesLimited investigationFinal reportBoeing E75 · Leesburg, FLLoss of engine power for undetermined reasons during takeoff, resulting in the airplane colliding with the ground and nosing over during the subsequent forced landing.NTSB CHI02LA213Accident · No injuriesLimited investigationFinal reportWeatherly 201C · Malta, ILThe inflight fire and loss of engine power due to undetermined reasons. Factors associated with the accident were the lack of suitable terrain on which to land and the corn crop which was contacted during the landing.NTSB CHI02CA194Accident · No injuriesData collectionFinal reportGrumman G-164 · Browning, ILthe failure of the pilot-in-command to maintain sufficient airspeed while maneuvering. The initial stages of a stall/mush condition, and the low maneuvering altitude due to the agricultural application pass, were contributing factors.NTSB SEA02LA121Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Shelley, IDA loss of engine power due to the manufacturer's improperly machined threads, which prevented the cylinder base/head halves from being properly assembled, leading to fatigue propagation and the ultimate separation of the cylinder. A contributing factor was…NTSB FTW02LA194Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Basile, LAthe loss of engine power as a result of fuel starvation. A contributing factor was the lack of suitable terrain for the forced landing.NTSB FTW02FA195Accident · 1 fatalField investigationFinal reportBeech H-18 · Tatum, NMThe failure of the pilot to maintain clearance.NTSB ATL02LA131Accident · No injuriesLimited investigationFinal reportBeech 18 · Venice, FLThe pilot's improper use of flight controls during takeoff, that resulted in the loss of control during takeoff.NTSB ANC02LA060Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 · Nikiski, AKThe pilot's excessive rate of descent resulting in a hard landing on water.NTSB ATL02LA105Accident · No injuriesLimited investigationFinal reportStearman A75N1 · Panacea, FLLoss of engine power due to fuel starvation resulting from fuel restriction through the fuel shutoff valve.NTSB CHI02LA132Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Hordville, NEA loss of engine power due to a fractured rocker arm shaf. Contributing to the accident was the soft, furrowed field.NTSB ANC02FA028Accident · 1 fatalField investigationFinal reportBeech E18S · Juneau, AKThe pilot's excessive loading of the airplane that precipitated an inadvertent stall/mush during the initial climb.NTSB LAX02LA125Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Dixon, CAThe pilot lost directional control due to the unsuitable landing area. A contributing factor was the muddy runway condition.NTSB NYC02LA002Accident · Minor injuriesLimited investigationFinal reportBeech C-45H · Hudson, NHThe pilot/owner's failure to properly identify the inoperative engine prior to feathering the wrong propeller, and his lack of familiarity with the required corrective procedures. A factor was the initial engine failure.NTSB ANC01LA152Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 · Arctic Village, AKThe pilot's selection of unsuitable terrain for takeoff. A factor in the accident was rock(s)/boulders in the area of takeoff.NTSB FTW01LA193Accident · No injuriesLimited investigationFinal reportGrumman G164B · Rayville, LAthe partial failure of the magneto drive coupling while maneuvering, which resulted in a loss of engine power and a forced landing. A contributing factor to the accident was the lack of suitable terrain for the forced landing.NTSB ANC01LA121Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 · Nondalton, AKThe pilot's inadequate compensation for gusty wind conditions. Factors associated with the accident were the pilot's inadequate weather evaluation, and wind gusts.NTSB CHI01LA273Accident · 1 fatalLimited investigationFinal reportGrumman G-164B · Hazelton, NDthe pilot's ostentatious display when he performed a low level manuever and stalled the airplane.NTSB FTW01LA177Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Bunkie, LAThe loss of engine power for undetermined reasons while maneuvering. A contributing factor was the lack of suitable terrain for the forced landing.NTSB CHI01LA217Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Mandan, NDthe pilot failed to maintain clearance from the powerline. Additional factors were the thermal lift and the powerline.NTSB CHI01LA164Accident · No injuriesLimited investigationFinal reportBoeing Stearman A-75 · Marissa, ILThe pilot's manuever to avoid obstructions and his failure to abort takeoff. The pilot's failure to establish adequate climb, and the transmission wire are contributing factors.NTSB FTW01LA136Accident · 1 fatalLimited investigationFinal reportGrumman-Schweizer G-164B · Powhatan, ARthe pilot's failure to maintain obstacle clearance while maneuvering after takeoff.NTSB CHI01LA134Accident · No injuriesLimited investigationFinal reportAir Tractor G-164A · Casselton, NDThe pilot's failure to maintain directional control of the airplane while recovering from a bounced landing. A factor was the collapse of the right main landing gear.NTSB FTW01FA117Accident · 2 fatalField investigationFinal reportConvair BT-13A · Odessa, TXthe pilot's failure to maintain the minimum required airspeed for flight, which resulted in a loss of control while performing a go-around. A contributing factor to the accident was the gusty tailwind condition.NTSB ANC01TA048Accident · No injuriesFinal reportde Havilland DHC-2 · Anchorage, AKA failure of the pilot to maintain adequate distance/clearance from a cement barricade while taxiing into a parking spot after landing. A factor was the presence of a barricade adjacent to the parking spot.NTSB MIA01LA105Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Dyer, TNThe improper installation of the main landing gear tire (pinched tube) by company maintenance personnel resulting in a total loss of air pressure in-flight, loss of directional control on landing roll, and subsequent nose down.