Final NTSB investigations: Pratt & Whitney R-985 series
1,855 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 per year
| 1962 | 2 |
|---|---|
| 1963 | 1 |
| 1964 | 61 |
| 1965 | 68 |
| 1966 | 58 |
| 1967 | 75 |
| 1968 | 54 |
| 1969 | 71 |
| 1970 | 58 |
| 1971 | 50 |
| 1972 | 52 |
| 1973 | 68 |
| 1974 | 70 |
| 1975 | 54 |
| 1976 | 70 |
| 1977 | 58 |
| 1978 | 62 |
| 1979 | 48 |
| 1980 | 41 |
| 1981 | 49 |
| 1982 | 43 |
| 1983 | 40 |
| 1984 | 35 |
| 1985 | 26 |
| 1986 | 20 |
| 1987 | 26 |
| 1988 | 18 |
| 1989 | 25 |
| 1990 | 24 |
| 1991 | 25 |
| 1992 | 29 |
| 1993 | 26 |
| 1994 | 28 |
| 1995 | 26 |
| 1996 | 23 |
| 1997 | 24 |
| 1998 | 14 |
| 1999 | 23 |
| 2000 | 17 |
| 2001 | 13 |
| 2002 | 15 |
| 2003 | 15 |
| 2004 | 16 |
| 2005 | 20 |
| 2006 | 13 |
| 2007 | 15 |
| 2008 | 19 |
| 2009 | 13 |
| 2010 | 16 |
| 2011 | 14 |
| 2012 | 12 |
| 2013 | 9 |
| 2014 | 6 |
| 2015 | 13 |
| 2016 | 9 |
| 2017 | 9 |
| 2018 | 13 |
| 2019 | 9 |
| 2020 | 3 |
| 2021 | 7 |
| 2022 | 5 |
| 2023 | 10 |
| 2024 | 11 |
| 2025 | 7 |
| 2026 | 1 |
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.\"completionStatus\" = 'Completed'
AND 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."completionStatus" = 'Completed'
AND 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 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 ANC25LA085Accident · No injuriesClass 4 · LimitedFinal reportDehavilland DHC-2 MK 1 · Soldotna, AKThe pilot’s failure to maintain clearance from rising terrain while maneuvering at low altitude.NTSB CEN25LA286Accident · Minor injuriesClass 4 · LimitedFinal reportWeatherly 620B · Rushmore, MNThe pilot’s failure to maintain clearance from a tree during low-level maneuvering.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 ANC25LA074Accident · No injuriesClass 4 · LimitedFinal reportDehavilland Beaver DHC-2 MK.1 · Nelson Lagoon, AKThe pilot’s failure to maintain clearance from a creek bank while maneuvering to land.NTSB ANC25LA068Accident · No injuriesClass 4 · LimitedFinal reportDehavilland Beaver DHC-2 MK.1 · Kokhanok, AKThe pilot’s failure to attain a proper touchdown point during landing which resulted in a hard landing.NTSB CEN25LA231Accident · No injuriesClass 3 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Lockport, LAThe pilot’s inadequate planning for the high density altitude conditions which resulted in reduced airplane performance, climb capability, and subsequent forced landing.NTSB WPR25LA165Accident · No injuriesClass 4 · LimitedFinal reportWeatherly 620B · Lewiston, MTThe pilot’s failure to maintain clearance from terrain while maneuvering at a low altitude.NTSB ERA25LA047Accident · No injuriesClass 3 · LimitedFinal reportBoeing A75N1(PT17) · Huntington, WVThe pilot’s failure to utilize carburetor heat while operating the engine at low power and in conditions conducive to the formation of carburetor ice, which resulted in a total loss of engine power due to carburetor icing.NTSB ERA25LA004Accident · Serious injuriesClass 4 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Parsonsburg, MDA total loss of engine power for reasons that were not determined.NTSB ANC24LA073Accident · No injuriesClass 3 · LimitedFinal reportDe Havilland DHC2 · Anchorage, AKA partial loss of power during takeoff climb for undetermined reasons.NTSB CEN24LA257Accident · Minor injuriesClass 4 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Sedgwick, ARThe pilot’s failure to maintain clearance from a power line during the spray pass.NTSB ANC24LA060Accident · No injuriesClass 4 · LimitedFinal reportDe Havilland DHC2 · Susitna, AKThe pilot’s selection of an unsuitable takeoff area, resulting in the floats contacting the shallow river bottom during takeoff, and a subsequent loss of control.NTSB ANC24LA054Accident · No injuriesClass 4 · LimitedFinal reportDehavilland Beaver DHC-2 MK.1 · Aleknagik, AKThe pilot’s failure to maintain pitch control of the airplane during initial climb.NTSB ERA24FA266Accident · Serious injuriesClass 3 · FieldFinal reportLockheed 12 · Jackson, GAMaintenance personnel’s failure to properly secure the right brake line, which resulted in a loss of right brake effectiveness during the landing roll and a subsequent runway excursion.NTSB WPR24FA196Accident · 2 fatalClass 3 · FieldFinal reportLockheed 12A · Chino, CAThe pilot’s exceedance of the airplane’s critical angle of attack during the initial climb, which resulted in an aerodynamic stall at an altitude insufficient for recovery. Contributing to the accident was the pilot’s failure to ensure that the airplane was…NTSB ANC24LA049Accident · Serious injuriesClass 3 · LimitedFinal reportDehavilland Beaver L-20A (DHC-2) · Port Alsworth, AKA partial loss of engine power for reasons that could not be determined.NTSB CEN24LA213Accident · No injuriesClass 4 · LimitedFinal reportBoeing E75 · Shuteston, LAThe pilot failure to maintain directional control while landing on a wet grass strip.NTSB ANC24LA037Accident · No injuriesClass 4 · LimitedFinal reportDehavilland Beaver DHC-2 MK.1 · Fairbanks, AKThe pilot’s improper fuel management resulting in a loss of engine power due to fuel starvation.NTSB ANC23LA071Accident · Minor injuriesClass 3 · LimitedFinal reportBell Helicopter Textron Canada 206L-4 · King Salmon, AKThe failure of both pilots to see and avoid while en route, which resulted in a midair collision.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 ANC23LA054Accident · Serious injuriesClass 3 · LimitedFinal reportDehavilland DHC-2 MK. I(L20A) · Twin Hills, AKThe pilot’s loss of control during initial climb for reasons that could not be determined.NTSB ANC23LA052Accident · No injuriesClass 4 · LimitedFinal reportDehavilland DHC-2 · McCarthy, AKA failure of the right brake caliper bolts during landing, which resulted in a runway excursion and subsequent impact with terrain.NTSB CEN23LA232Accident · No injuriesClass 3 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Bloomfield, NEA partial loss of engine power during takeoff for reasons that could not be determined.NTSB CEN23LA212Accident · Minor injuriesClass 4 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Light, ARThe pilot exceeding the climb capability of the airplane during takeoff which led to it settling into the ground.NTSB CEN23LA202Accident · No injuriesClass 4 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Wright, LAThe pilot's decision to takeoff with the airplane overloaded which resulted in the airplane settling and subsequently impacting terrain.NTSB ANC23LA030Accident · No injuriesClass 4 · LimitedFinal reportDehavilland Beaver DHC-2 MK.1 · Soldotna, AKThe pilot’s selection of an unsuitable landing site, which resulted in the main landing gear wheels breaking through the snow and the airplane nosing over.NTSB WPR23LA120Accident · Serious injuriesClass 4 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Vernalis, CAThe pilot’s failure to maintain clearance from a power line during a low-level aerial application flight.NTSB ANC22LA078Accident · Minor injuriesClass 4 · LimitedFinal reportDehavilland DHC-2 · Egegik, AKThe pilot’s loss of control during takeoff in gusting wind conditions.NTSB CEN22LA354Accident · No injuriesClass 3 · LimitedFinal reportAir Tractor AT-301 · Lamoni, IAA loss of airplane performance for reasons that could not be determined.NTSB ANC22LA063Accident · Serious injuriesClass 4 · LimitedFinal reportDe Havilland DHC2 · Anchorage, AKThe pilot’s failure to maintain directional control during takeoff in gusting wind conditions which resulted in the wing exceeding its critical angle of attack, a loss of control and impact with the water.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 ANC22LA050Accident · No injuriesClass 4 · LimitedFinal reportDehavilland Beaver U-6A · Kokhanok, AKThe pilot’s failure to maintain directional control during takeoff in gusting wind conditions which resulted in a loss of control and impact with the 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 CEN21LA333Accident · No injuriesClass 4 · LimitedFinal reportBoeing E75 · Baraboo, WIThe pilot’s failure to maintain clearance from the fence while on final approach.NTSB CEN21LA329Accident · No injuriesClass 3 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Amana, IAThe loss of engine power for reasons that could not be determined.NTSB ANC21LA057Accident · No injuriesClass 4 · LimitedFinal reportDehavilland DHC-2-L-20 · Coffman Cove, AKThe pilot’s impact with a buoy on takeoff which resulted in a nose-over.NTSB WPR21FA170Accident · 1 fatalClass 3 · FieldFinal reportConsolidated Vultee BT-13A · Camas, WAThe pilot’s exceedance of the airplane’s critical angle of attack during an aborted landing, resulting in an aerodynamic stall and impact with terrain.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 ANC20LA074Accident · 7 fatalClass 3 · LimitedFinal reportDe Havilland DHC-2 · Soldotna, AKThe failure of both pilots to see and avoid the other airplane. Contributing to the accident were (1) the PA-12 pilot’s decision to fly with a known severe vision deficiency that had resulted in denial of his most recent application for medical certification…NTSB WPR20LA226Accident · No injuriesClass 3 · LimitedFinal reportBoeing B75 · Chino, CAThe pilot’s failure to maintain directional control during the landing roll.NTSB WPR20FA206Accident · 8 fatalClass 3 · FieldFinal reportCessna TU206 · Coeur d'Alene, IDThe failure of the pilots of both airplanes to see and avoid the other airplane.NTSB GAA20CA033Accident · No injuriesData collectionFinal reportWeatherly 620 · Fabens, TXThe pilot's failure to maintain clearance from power wires while maneuvering at a low altitude.NTSB GAA20CA007Accident · No injuriesData collectionFinal reportDe Havilland Beaver DHC 2 · Kodiak, AKThe pilot's failure to maintain lateral control while landing on glassy water, which resulted in the left float touching the water, a loss of yaw control, and impact with a riverbank.NTSB GAA19CA562Accident · No injuriesData collectionFinal reportDe Havilland Beaver DHC 2 MK.1 · Kotzebue, AKThe pilot's delayed decision to abort the takeoff from water after the airplane impacted a submerged object, which resulted in insufficient airspeed for liftoff and led to the pilot steering the airplane toward a mud embankment to avoid rocks.NTSB ERA19LA263Accident · 1 fatalClass 3 · LimitedFinal reportWeatherly 620 · Russellville, ALThe pilot's failure to see and avoid powerlines during low-altitude agricultural spraying flight operations.NTSB CEN19FA278Accident · 1 fatalField investigationFinal reportGrumman G164 · Hays, KSThe pilot's exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall.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.