NTSB investigations: Pratt & Whitney R-985 series
44 cases on aircraft whose registry engine model is Pratt & Whitney R-985 series, where the defining event was Loss of control on ground. 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
| 2008 | 6 |
|---|---|
| 2009 | 1 |
| 2010 | 5 |
| 2012 | 3 |
| 2013 | 2 |
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 2 |
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_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '230'))
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_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '230'))
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 ANC26LA086Accident · No injuriesClass 4 · LimitedInvestigation openDehavilland DHC-2 · Igiugig, AKNTSB WPR26LA138Accident · No injuriesClass 4 · LimitedFinal reportBoeing A75N1 · Mesa, AZThe pilot's failure to maintain directional control during the landing rollout, which resulted in a ground loop.NTSB ERA25LA276Accident · No injuriesClass 4 · LimitedFinal reportHoward DGA-15P · Farmingdale, NYThe pilot’s failure to maintain directional control of the airplane while landing in a crosswind.NTSB CEN24LA213Accident · No injuriesClass 4 · LimitedFinal reportBoeing E75 · Shuteston, LAThe pilot failure to maintain directional control while landing on a wet grass strip.NTSB ANC23LA057Accident · No injuriesClass 4 · LimitedFinal reportDehavilland DHC-2 MK. I(L20A) · Point Baker, AKThe pilot’s failure to maintain directional control during takeoff with a quartering tailwind.NTSB WPR23LA284Accident · No injuriesClass 4 · LimitedFinal reportBoeing A75N1 · Red Lodge, MTThe pilot’s loss of directional control during landing with wind gusts, which resulted in a ground loop and collision with a fence.NTSB ANC22LA056Accident · No injuriesClass 4 · LimitedFinal reportDehavilland Beaver DHC-2 MK.1 · Bettles, AKThe pilot's failure to maintain control of the airplane during taxi operations on a riverbank with shallow water.NTSB WPR21LA349Accident · No injuriesClass 4 · LimitedFinal reportBeech D17S · San Diego / El Cajon, CAThe pilot’s failure to maintain directional control of the airplane during the landing roll with a crosswind, which resulted in a runway excursion and subsequent collision with runway signage.NTSB ANC21LA081Accident · No injuriesClass 4 · LimitedFinal reportDehavilland DHC-2 MK. I(L20A) · Kodiak, AKThe pilot’s improper landing flare, which resulted in a hard landing and nose over.NTSB WPR21LA125Accident · No injuriesClass 4 · LimitedFinal reportPhillip B Rolls Pitts 12-EH · Red Bluff, CAThe pilot's failure to maintain directional control during a landing, which resulted in a ground loop and subsequent nose over.NTSB WPR20LA226Accident · No injuriesClass 3 · LimitedFinal reportBoeing B75 · Chino, CAThe pilot’s failure to maintain directional control during the landing roll.NTSB GAA19CA491Accident · No injuriesData collectionFinal reportConsolidated Vultee BT13 · Franklin, PAThe pilot's failure to maintain directional control during takeoff in gusting crosswind conditions, which resulted in a runway excursion and the left main landing gear collapsing.NTSB ANC19FA035Accident · 1 fatalClass 2 · FieldFinal reportDe Havilland Beaver DHC 2 · Seldovia, AKThe airplane's floats impact with an ocean wave or swell, which exceeded the design load specifications of the flying wire assemblies and resulted in a partial separation of the float assemblies.NTSB ANC19LA028Accident · No injuriesClass 3 · LimitedFinal reportDe Havilland DHC-2 · Ketchikan, AKA loss of directional control while landing, which resulted in a water loop.NTSB ANC19FA019Accident · 2 fatalClass 2 · FieldFinal reportDe Havilland DHC 2 · Metlakatla, AKThe pilot’s inadequate compensation for a quartering tailwind during a water landing, which resulted in a loss of control and subsequent nose-over. Contributing to the accident was the company’s inadequate operational control of the flight release process,…NTSB GAA19CA009Accident · No injuriesData collectionFinal reportStearman A75N1(PT17) · New Orleans, LAThe pilot’s failure to maintain directional control during a crosswind landing.NTSB ANC18LA047Accident · Serious injuriesLimited investigationFinal reportDehavilland DHC-2 · Dillingham, AKThe pilot's failure to maintain directional control while landing in gusting wind conditions.NTSB GAA18CA372Accident · Minor injuriesData collectionFinal reportBeech D17 · Hamilton, MTThe pilot’s failure to maintain directional control during the landing roll and his subsequent inability to recover due to his foot being stuck.NTSB ANC18LA025Accident · No injuriesLimited investigationFinal reportDehavilland Beaver DHC 2 · Kodiak, AKThe pilot's failure to maintain directional control during landing for reasons that could not be determined based on the available evidence.NTSB CEN17LA301Accident · No injuriesLimited investigationFinal reportBeech D17S · Colorado Springs, COThe pilot's failure to maintain directional control during the landing roll with a quartering tailwind.NTSB WPR17LA100Accident · No injuriesLimited investigationFinal reportGrumman G164 · Madera, CAThe pilot’s loss of directional control during takeoff with a quartering tailwind, which resulted in a runway excursion and separation of the right landing gear.NTSB GAA17CA044Accident · No injuriesData collectionFinal reportBeech D18S · Deming, NMThe pilot's failure to maintain directional control during the landing roll, which resulted in a runway excursion.NTSB GAA16CA429Accident · No injuriesData collectionFinal reportConsolidated Vultee BT13 · Joseph, ORThe pilot's failure to maintain directional control during the landing roll, which resulted in a runway excursion and damage to the left aileron and elevator.NTSB GAA16CA249Accident · No injuriesData collectionFinal reportBoeing B75 · El Cajon, CAThe pilot's failure to maintain directional control during the landing roll in gusty crosswind conditions, which resulted in a runway excursion and nose over.NTSB GAA16CA200Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G 164 · Madison, KSThe pilot's incorrect brake application during the landing roll, which resulted in a nose over.NTSB GAA15CA169Accident · No injuriesData collectionFinal reportWeatherly 201B · Pemberton, NJThe pilot's failure to maintain directional control during the takeoff roll, which resulted in the airplane's left main landing gear impacting an unknown object, and subsequent collapse during landing.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 ANC13CA098Accident · No injuriesData collectionFinal reportDehavilland Beaver DHC 2 · Akhiok, AKThe pilot's failure to maintain directional control during takeoff in a gusty tailwind.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 ANC12CA060Accident · No injuriesData collectionFinal reportDehavilland Beaver DHC-2 · Ketchikan, AKThe pilot’s failure to maintain directional control during a step turn on floats.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 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 ANC10CA091Accident · No injuriesData collectionFinal reportAvions Max Holste MH 1521 Broussard · Skwentna, AKThe pilot's inadequate crosswind compensation, which resulted in a loss of directional control.NTSB ANC10LA044Accident · No injuriesLimited investigationFinal reportDehavilland Beaver DHC-2 MK.1 · Anchorage, AKThe commercial pilot’s loss of airplane control while landing in a crosswind, resulting in a nose-over. Contributing to the accident was the check pilot's inadequate supervision of the commercial pilot while landing.NTSB WPR10CA254Accident · No injuriesData collectionFinal reportBoeing B75 · Yerington, NVThe pilot's inadequate compensation for the crosswind condition, resulting in the loss of directional control during the landing roll.NTSB WPR09CA265Accident · No injuriesData collectionFinal reportBoeing E75 · Cottonwood, AZThe pilot's inadequate compensation for the crosswinds during the landing roll.NTSB SEA08CA171Accident · No injuriesData collectionFinal reportde Havilland Beaver DHC-2 MK.1 · Kenmore, WAThe pilot's failure to maintain aircraft control while water taxiing. Contributing to the accident were the pilot's failure to compensate for the wind condition and a tailwind.NTSB DFW08CA159Accident · No injuriesData collectionFinal reportBeech E-18 · Guymon, OKThe pilot's failure to maintain directional control during landing roll out. Contributing to the accident was the crosswind.NTSB DFW08CA145Accident · No injuriesData collectionFinal reportWeatherly 201B · Nickerson, KSThe pilot's failure to maintain directional control during the takeoff roll.NTSB DFW08CA098Accident · No injuriesData collectionFinal reportWeatherly 620B · Coleman, TXThe pilot's failure to maintain airplane control on the landing roll. A contributing factor was the variable wind.NTSB SEA08CA093Accident · Minor injuriesData collectionFinal reportGrumman G-164A · Dayton, WAThe pilot's inadequate compensation for the wind conditions and failure to maintain an adequate airspeed. A contributing factor was the sudden windshift.NTSB ANC08CA034Accident · No injuriesData collectionFinal reportde Havilland DHC-2 · McGrath, AKThe pilot's failure to maintain directional control of the airplane during an aborted takeoff.