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 per year
| 1982 | 5 |
|---|---|
| 1983 | 8 |
| 1984 | 6 |
| 1985 | 4 |
| 1986 | 2 |
| 1987 | 4 |
| 1988 | 1 |
| 1989 | 4 |
| 1990 | 6 |
| 1991 | 7 |
| 1992 | 7 |
| 1993 | 7 |
| 1994 | 5 |
| 1995 | 2 |
| 1996 | 2 |
| 1997 | 5 |
| 1998 | 2 |
| 1999 | 4 |
| 2000 | 4 |
| 2001 | 2 |
| 2002 | 2 |
| 2003 | 2 |
| 2004 | 4 |
| 2005 | 2 |
| 2006 | 3 |
| 2007 | 3 |
Where
Open the mapLatest cases
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 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.NTSB ANC07CA053Accident · No injuriesData collectionFinal reportGrumman G21A · Dutch Harbor, AKThe pilot's inadequate compensation for wind conditions during the takeoff roll, which resulted in a loss of directional control and a nose over.NTSB SEA07CA169Accident · No injuriesData collectionFinal reportBoeing Stearman A75N1 · Coeur d'Alene, IDThe pilot's failure to maintain directional control during landing. The crosswind condition was a contributing factor.NTSB CHI06CA272Accident · No injuriesData collectionFinal reportBoeing A75N1 · Garrettsville, OHThe pilot's failure to maintain directional control during the takeoff roll. The bush and tree were factors to the accident.NTSB MIA06CA099Accident · No injuriesData collectionFinal reportHoward DGA-15P · Merritt Island, FLThe failure of the pilot to comply with the before landing checklist for his failure to lock the tailwheel.NTSB DEN06CA047Accident · Minor injuriesData collectionFinal reportBoeing D75N1 · Santa Teresa, NMthe pilot's failure to maintain directional control during the landing. Contributing factors include the high airspeed, the improper recovery from a bounced landing, the crosswind, and the soft dirt.NTSB ANC05LA082Accident · No injuriesLimited investigationFinal reportdeHavilland DHC-2 · King Salmon, AKThe pilot's failure to correct for torque/P-Factor during the takeoff run, and his delay in aborting the takeoff, which resulted in a loss of directional control and subsequent wing collision with the surface of the water. A factor contributing to the…NTSB DFW05CA084Accident · No injuriesData collectionFinal reportGrumman G-164A · Gilbert, LAThe pilot's failure to maintain control of the airplane during landing. A contributing factor was a deflated right main tire.NTSB CHI04CA244Accident · Minor injuriesData collectionFinal reportBeech BE-18 · Lakeville, MNThe pilot's inadequate flare, the improper recovery from a bounced landing, the loss of directional control, and inadequate compensation for the crosswind. A factor was the crosswind.NTSB FTW04CA200Accident · No injuriesData collectionFinal reportBoeing A75N1 · Bay City, TXThe pilot's failure to maintain directional control during landing. A contributing factor was the pilot's decision to land with a quartering tailwind.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 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 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 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 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 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 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 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.NTSB SEA00LA159Accident · No injuriesLimited investigationFinal reportBoeing E75 · Mcminnville, ORThe disconnection of the left tailwheel control cable spring resulting in the positioning of the tailwheel in a right turn condition.NTSB ANC00LA098Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 · King Salmon, AKThe pilot's inadequate compensation for crosswind conditions.NTSB ANC00LA091Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 · Big Lake, AKThe pilot's inadequate compensation for the wind conditions. A factor associated with the accident was a crosswind.NTSB FTW00LA167Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G164B · Natchitoches, LAThe failure of the pilot to maintain directional control during the landing roll, which resulted in a ground loop. A factor was the crosswind.NTSB CHI99LA262Accident · No injuriesLimited investigationFinal reportBeech C-45H · Grain Valley, MOthe failure of the pilot to use the tailwheel lock on takeoff, creating a condition where it was not possible for the pilot to maintain directional control. Factors were the unlocked tailwheel and the ditch.NTSB FTW99LA149Accident · Serious injuriesLimited investigationFinal reportWeatherly 620B · Whiteface, TXThe pilot's selection of unsuitable terrain for takeoff. Contributing to the accident was the soft ground and the standing water on the runway.NTSB SEA99LA065Accident · No injuriesLimited investigationFinal reportBoeing Stearman 1B75A · Olympia, WAThe pilot's failure to adequately compensate for wind conditions. A factor contributing to the accident was a crosswind during the landing roll out.NTSB CHI99LA063Accident · No injuriesLimited investigationFinal reportBeech BE-C-45H · St. Joseph, MOthe pilot not maintaining directional control during the landing rollout. A factor in this accident was the patchy snow on the runway.NTSB ANC98LA157Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 · Iliamna, AKThe pilot's inadequate compensation for the gusty wind conditions, and his attempted flight into adverse weather. Factors associated with the accident are high and gusty winds.NTSB FTW98LA407Accident · No injuriesLimited investigationFinal reportSnow S2C · Bovina, TXThe pilot's failure to maintain directional control during the landing roll.NTSB CHI97LA242Accident · No injuriesLimited investigationFinal reportBoeing B75N1 · Lone Rock, WIa locked right brake which resulted in the pilot's inability to maintain direction control of the airplane during the landing roll.NTSB CHI97LA184Accident · Minor injuriesLimited investigationFinal reportWeatherly 201C · Buffalo, NDthe pilot's inadequate preflight planning/preparation, and his failure to maintain directional control of the airplane. Water on the runway and the soft terrain were related factors.NTSB LAX97LA201Accident · No injuriesLimited investigationFinal reportBoeing Stearman A75N1 · Lemoore, CAfailure of the pilot to maintain directional control of the airplane during the landing, which resulted in a ground swerve and subsequent overload failure of the main landing gear. Related factors were a left crosswind and partial loss of the right wheel…NTSB FTW97LA186Accident · No injuriesLimited investigationFinal reportSnow S2C · Hondo, TXThe pilot's failure to maintain directional control while landing.NTSB LAX97LA130Accident · No injuriesLimited investigationFinal reportBoeing Stearman B75N1 · Victorville, CAfailure of the pilot to maintain directional control of the aircraft during the landing rollout.NTSB CHI96LA243Accident · No injuriesLimited investigationFinal reportBeech C-45H · Marshall, MIfailure of the pilot to maintain directional control during the takeoff roll, which resulted in an inadvertent ground swerve. The crosswind (quartering headwind) was a related factor.NTSB FTW96LA211Accident · No injuriesLimited investigationFinal reportBoeing E75 · Taos, NMthe pilot's failure to maintain directional control. A factor was the dust devil.NTSB FTW95LA341Accident · No injuriesLimited investigationFinal reportBoeing B75N1 · Englewood, COFailure by the pilot to maintain directional control which resulted in a ground loop. A factor was crosswind.NTSB LAX95LA350Accident · No injuriesLimited investigationFinal reportBoeing B75-A75N1 · Van Nuys, CAthe pilot's failure to maintain directional control during landing rollout. Factors which contributed to the loss of control were: the pilot's total lack of experience landing the conventional gear airplane in a crosswind condition, and the crosswind.NTSB CHI94LA320Accident · Serious injuriesLimited investigationFinal reportWeatherly 201C · Stephen, MNimproper rigging of the parking brake control cable resulting in inadvertent application of the left wheel brake.NTSB ATL94LA153Accident · No injuriesLimited investigationFinal reportNaval Aircraft Factory N3N-3 · Beaufort, SCThe pilot's improper use of the rudder during landing.NTSB SEA94LA192Accident · No injuriesLimited investigationFinal reportGrumman G-21A · Bremerton, WAThe pilot-in-command's failure to maintain directional control during landing.NTSB SEA94LA193Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Wilder, IDThe failure of the left brake master cylinder and the pilot's inadequate remedial action when the aircraft collided with an embankment during an intentional ground loop.NTSB CHI94DTG01Accident · No injuriesFinal reportGrumman G-164-A · La Moure, NDfailure of the pilot to maintain directional control.NTSB FTW93LA221Accident · No injuriesLimited investigationFinal reportBoeing B75-N1 · Burnet, TXInadvertent groundloop by the pilot.NTSB CHI93LA254Accident · No injuriesLimited investigationFinal reportGrumman G164B · Eldred, MNthe pilot's failure to maintain directional control during the takeoff roll.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 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 SEA93LA112Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · Hardin, MTThe pilot in command's failure to maintain directional control.NTSB 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 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.