NTSB investigations: Pratt & Whitney R-985 series
103 cases on aircraft whose registry engine model is Pratt & Whitney R-985 series, where the first occurrence was “Loss of control - on ground/water”. 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')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 260))
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')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 260))
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 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 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 FTW92LA137Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Kinder, LAThe failure of the left brake which led to a loss of directional control. A factor was the rough terrain immediately adjacent to the runway.NTSB DEN92LA049Accident · Minor injuriesLimited investigationFinal reportNaval Aircraft Factory N3N-3 · Montrose, COFailure of the pilot in command to maintain control of the aircraft during landing roll. A factor was: the aircraft struck a ditch which ran parallel to the runway.NTSB LAX92LA177Accident · No injuriesLimited investigationFinal reportBeech E18S · Eloy, AZFailure of the pilot-in-command to maintain directional control and to properly compensate for the unfavorable wind conditions encountered during the takeoff ground run. Contributing to the accident was the unforecasted dust devil weather phenomena.NTSB ANC91LA133Accident · No injuriesLimited investigationFinal reportBeech B-18H · White Mountain, AKThe pilot's failure to maintain directional control of the airplane during the landing roll.NTSB ANC91LA125Accident · No injuriesLimited investigationFinal reportDe Havilland DHC-2 · Ugashik, AKWas the pilot-in-command's failure to maintain directional control of the airplane during the takeoff run. Contributing to the accident was the rough water.NTSB LAX91LA283Accident · No injuriesLimited investigationFinal reportBoeing E75 · San Luis Obispo, CAThat the pilot failed to properly compensate of the existing quartering tailwind, improperly using the flight controls and brakes.NTSB DEN91LA086Accident · No injuriesLimited investigationFinal reportNaval Aircraft Factory N3N-3 · Deming, NMThe pilot's failure to maintain directional control. Factors were: a crosswind condition and a soft shoulder alongside the runway.NTSB DEN91LA073Accident · No injuriesLimited investigationFinal reportBeech D18-S · Englewood, COThe loss of directional control by the pilot. Factors were: the cross, failure of the pilot to lock the tail wheel, and the pilot's disregard of crosswind limitations.NTSB SEA91LA086Accident · No injuriesLimited investigationFinal reportGrumman G-21A · Spokane, WAThe pilot-in-command did not maintain directional control of the airplane. Factors were: the pic's inadequate compensate for the wind, his limited flight expereince in this type of airplane, and the check airman's poor supervision.NTSB ANC91LA032Accident · Serious injuriesLimited investigationFinal reportDe Havilland DHC-2 · Finger Lake, AKThe pilot's failure to maintain directional control of the airplane during the landing roll. A factor was the rough and uneven terrain.NTSB CHI91LA004Accident · No injuriesLimited investigationFinal reportBeech E-18 · Minneapolis, MNFailure of the pilot-in-command to maintain directional control of the aircraft during landing roll.NTSB SEA90LA196Accident · Minor injuriesLimited investigationFinal reportBeech C-45H · Twin Falls, IDThe pilot's inability to maintain directional control during a takeoff in strong crosswind conditions.NTSB ANC90LA169Accident · No injuriesLimited investigationFinal reportBeech H-18S · Deering, AKThe pilot-in-command's failure to maintain directional control of the airplane on landing.NTSB CHI90LA206Accident · No injuriesLimited investigationFinal reportBeech D17S · Oelwein, IAInadequate visual outlook by the pilot in command.NTSB ANC90LA102Accident · Minor injuriesLimited investigationFinal reportGrumman G21 · King Salmon, AKThe pilot failed to adequately compensate for the prevailing wind conditions and his failure to maintain directional control. A contributing factor was the strong crosswind component.NTSB FTW90DRD03Accident · No injuriesFinal reportGrumman G-164A · Glynn, LALoss of directional control on the ground, due to intermittent locking of the right brake during the landing roll.NTSB DEN89LA201Accident · No injuriesLimited investigationFinal reportWaco UPF7 · Watkins, COFailure of the left brake assembly, and subsequent loss of directional control by the pilot.NTSB SEA89LA124Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 · Kassan, AKThe excessive taxi speed used by the pilot in the existing weather conditions. Contributing to the accident was the gusty tailwind.NTSB CHI89LA088Accident · No injuriesLimited investigationFinal reportAvions Max Holste MH 1521 · Big Rapids, MIInadequate compensation for wind conditions by the pilot and his failure to maintain directional control. The the variable/gusty/crosswind condition was considered to be a contributing factor.NTSB MIA89LA141Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · New Smyrna Bch., FLThe failure of the pilot to adequately preflight the airplane. Contributing to the accident was the pilot's failure to use the brakes to maintain directional control and poor inspection of the airplane by company maintenance personnel.NTSB ATL88LA099Accident · No injuriesLimited investigationFinal reportBeech 18S · Morganton, NCPIC aborted first takeoff attempt due to crosswind induced directional control difficulties. During second takeoff attempt, gusty crosswind lifted left wing & acft became airborne. PIC forced acft back onto rwy, lost directional control and veered off rwy…NTSB BFO88DHD02Accident · No injuriesFinal reportBoeing A75N1 · Milton, DEThe pilot's improper brake application during a 'wheel' landing, which resulted in the aircraft nosing over. The slight downslope of the airstrip, a quartering tailwind, inadequate supervision on the part of the check pilot, and the pilot's lack of…NTSB LAX87LA346Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · Lakeport, CAThe pilot stated that the aircraft groundlooped during landing roll just as the tailwheel touched down. There were no reported mechanical problems and winds were light and variable. However, the pilot stated that he thought he felt a gustof wind.NTSB ANC87LA120Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 · Chackachatna Ri, AKThe pilot stated after he touched down on the gravel bar he lost directional control of the aircraft causing the aircraft to strike a log. The airplane then went up on its nose.NTSB DEN87LA129Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · Mandan, NDThe pilot and his son were ferrying a recently purchased Boeing stearman to their home in Ohio. During landing roll, at an en route stop, a gust of wind lifted the tail section and the acft groundlooped. The left wing struck the runway and the acft was…NTSB ANC86LA167Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 · Fognak Island, AKOn takeoff, the right door popped open. The pilot reached across to pull the door closed and lost directional control of the aircraft. The aircraft then struck a tree near the bank of the lake.NTSB FTW86LRD15Accident · No injuriesFinal reportGrumman G-164B · Church Point, LAThe acfts left wingtip caught in weeds during takeoff and the acft was pulled left. The plt had turned to avoid a wet spot on the airstrip and contacted the high weeds then swerved into a rice levee.NTSB CHI86LA054Accident · No injuriesLimited investigationFinal reportBeech G18S · Minneapolis, MNThe aircraft collided with a snowbank while goundlooping after landing at the completion of a cargo flight from chicago ill. The winds were calm. The pilot stated that he needed to take timely and sufficient action.NTSB MIA86LA042Accident · No injuriesLimited investigationFinal reportBeech E-18S · Opa Locka, FLThe plt stated that while on his takeoff roll, the left main wheel started to shimmy, the acft pulled left then veered off the right side of the rwy, collapsing the tail wheel & coming to rest in the grass.NTSB ANC85LA104Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 · Ungalikthluk Rv, AKThe plt reported that when he was landing the float plane on a river, an extreme gust of wind cocked the acft causing loss of control. Subsequently, the acft struck a river bank & was damaged. The plt noticed that after the landing, the winds had changed,…NTSB LAX85LA138Accident · No injuriesLimited investigationFinal reportBeech BE-18 · Santa Maria, CAThe plt reptd that during the landing rollout on rwy 30, a gust of wind caused the acft right wing to lift. The plt was unable to correct the uplifting wing and the acft entered into a left groundloop maneuver & exited the rwy. The local controller reported…NTSB CHI84LA357Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Rice, MNPilot stated that during the takeoff roll the acft suddenly began to pull to the left. The pilot reduced power and applied right brake and rudder to correct but the left wing struck corn stalks. Examination of the acft after the accident revealed the left…NTSB FTW84LA317Accident · No injuriesLimited investigationFinal reportBeech D-18S · Mcallen, TXThe PIC was observing from the right seat while the C0-PLT was in the left seat taking off. During the takeoff roll, the co-plt lost directional control of the acft & the PIC was unable to recover. The acft veered off the left side of the rwy, the right main…NTSB LAX84LA398Accident · No injuriesLimited investigationFinal reportHoward DGA-15P · Tracy, CADuring the landing roll, the acft ran off the side of the rwy. The plt stated that he landed with a slight tailwind.NTSB DEN84LA170Accident · Minor injuriesLimited investigationFinal reportWeatherly 201B · Platteville, COThe ag plt was returning for his 3rd load. He said that after a wheel landing, he pulled back on the stick to lower the tailwheel & the acft ballooned back into the air. The plt said that he applied power to go around, but the acft settled & he lost…NTSB ATL84LA145Accident · No injuriesLimited investigationFinal reportGrumman G164A · Huger, SCThe aerial application acft was using a gravel surfaced dirt road as a temporary landing strip. During the landing roll the acft drifted to the left & hit a soft spot, a tree, & nosed over in a ditch.NTSB LAX84LA128Accident · No injuriesLimited investigationFinal reportBeech C-45H · Coolidge, AZThe plt stated that during the initial application of power, the left eng backfired due to a possible too sudden application of power. He said that due to 'inattention' he let the acft 'drift to the left side of the runway.' Just after the acft became…NTSB ATL84LA009Accident · No injuriesLimited investigationFinal reportBeech E18S · Denver, NCAfter taxiing onto the rwy the plt ran the engs up to takeoff power of 36' mp & began the takeoff roll. Shortly thereafter she reduced power to about 25'-30' mp because the acft appeared to accelerate slowly. After a quick scan of the instruments which…NTSB CHI83LA421Accident · No injuriesLimited investigationFinal reportBoeing B75N1 · Galesburg, ILThe plt stated that when he was landing on rwy 20 with a x-wind, it switched to a rear quartering wind. At about that time, the acft went off the rwy & struck a rwy marker with its tailwheel. The acft then ground looped, damaging the lower left wing.NTSB FTW83LA391Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Lissie, TXThe acft ran into a ditch during takeoff and collapsed the landing gear. The plt said he was steering around some mud holes when the wing became entangled in high grass alongside the rwy. The acft groundlooped off the rwy into a ditch. The wings and landing…NTSB LAX83LA324Accident · Minor injuriesLimited investigationFinal reportBoeing IB75A · Tracy, CAAccording to the operator, the pilot lost directional control about 1200 ft down the rwy, lifted off prematurely and was unable to clear trees in an almond orchard at the end ofthe rwy. Initial impact occurred 120 ft north of the rwy centerline.NTSB CHI83LA302Accident · No injuriesLimited investigationFinal reportBoeing B75 · Cincinnati, OHThe acft collided with a ditch during landing roll and nosed down. The weather was VMC with the wind from 020 degrees AT6 KTS. The plt landed on rwy 24. About 1500 ft from the threshold the acft veered off the rwy and hit the ditch. The pltattributed the loss…NTSB SEA83LA063Accident · No injuriesLimited investigationFinal reportGrumman 164B · Toppenish, WAThe aircraft nosed over in a ditch during a landing on a gravel road after an aerial application flight. The pilot said that he lost directional control during landing rollout and one main gear went into a ditch. The aircraft then nosed over and came to rest…NTSB ATL83LA101Accident · No injuriesLimited investigationFinal reportBeech H18 · Talladega, ALThe plt stated that shortly after full power application & prior to tailwheel lift-off, the 'right wing raised aprx 3 to 4 ft into the air.' The acft then began drifting left. During ensuing maneuvers, the plt alternately advanced & retarded the throttle as…NTSB MIA83FA063Accident · No injuriesField investigationFinal reportBeech E18-S · Naples, FLThe acft departed the right side of the runway and the right gear separated from the acft. Examination of the fracture surface revealed no evidence of fatigue or other type of slow growth cracking.NTSB ATL82IA154Incident · No injuriesIncident investigationFinal reportBeech 18 · Macon, GAAccording to the pilot, the flight was being conducted under ferry flight provisions. The flight was issued a takeoff clearance for runway 05,with reported surface winds of 320 degrees at 10 knots. The copilot started the takeoff roll and was unable to…NTSB FTW82DA185Accident · No injuriesFinal reportBoeing A75N1 · Fabens, TXFollowing a left turn on landing roll the pilot applied the brakes to correct for right drift. The braking action resulted in the aircraft nose over. Investigation revealed no mechanical malfunction or failure.