NTSB investigations: Pratt & Whitney R1340 series
1,656 cases on aircraft whose registry engine model is Pratt & Whitney R1340 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
| 1964 | 15 |
|---|---|
| 1965 | 17 |
| 1966 | 16 |
| 1967 | 24 |
| 1968 | 10 |
| 1969 | 19 |
| 1970 | 16 |
| 1971 | 20 |
| 1972 | 20 |
| 1973 | 33 |
| 1974 | 32 |
| 1975 | 44 |
| 1976 | 49 |
| 1977 | 44 |
| 1978 | 50 |
| 1979 | 50 |
| 1980 | 42 |
| 1981 | 52 |
| 1982 | 42 |
| 1983 | 35 |
| 1984 | 42 |
| 1985 | 36 |
| 1986 | 37 |
| 1987 | 34 |
| 1988 | 42 |
| 1989 | 36 |
| 1990 | 34 |
| 1991 | 30 |
| 1992 | 28 |
| 1993 | 29 |
| 1994 | 40 |
| 1995 | 35 |
| 1996 | 31 |
| 1997 | 23 |
| 1998 | 31 |
| 1999 | 30 |
| 2000 | 26 |
| 2001 | 30 |
| 2002 | 30 |
| 2003 | 22 |
| 2004 | 27 |
| 2005 | 20 |
| 2006 | 17 |
| 2007 | 24 |
| 2008 | 33 |
| 2009 | 25 |
| 2010 | 24 |
| 2011 | 29 |
| 2012 | 16 |
| 2013 | 14 |
| 2014 | 16 |
| 2015 | 13 |
| 2016 | 19 |
| 2017 | 11 |
| 2018 | 12 |
| 2019 | 14 |
| 2020 | 6 |
| 2021 | 11 |
| 2022 | 10 |
| 2023 | 14 |
| 2024 | 12 |
| 2025 | 9 |
| 2026 | 4 |
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 ('52016'))
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 ('52016'))
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 ERA26LA334Accident · Minor injuriesClass 4 · LimitedFinal reportNorth American Harvard III · Sanatoga, PAThe pilot’s failure to maintain control of the airplane while landing in a crosswind.NTSB WPR26LA312Accident · Serious injuriesClass 3 · LimitedPreliminary reportSchweizer G-164B · Olene, OROn August 20, 2026, about 9:32 Pacific daylight time, a Schweizer Aircraft Corp., G-164B, N7501Q, was destroyed when it was involved in an accident near Orlene, Oregon. The pilot was seriously injured. The airplane was operated as a Title 14 Code of Federal…NTSB ANC26LA067Accident · No injuriesClass 4 · LimitedInvestigation openDehavilland DHC-3 · Denali National Park, AKNTSB ERA26LA232Accident · No injuriesClass 3 · LimitedPreliminary reportNorth American SNJ-5C · Midland, VAOn June 6, 2026, about 0940 eastern daylight time, a North American SNJ-5C, N98RJ was substantially damaged when it was involved in an accident near Midland, Virginia. The pilot and passenger were not injured. The airplane was operated as a Title 14 Code of…NTSB ERA25LA371Accident · Minor injuriesClass 4 · LimitedFinal reportNorth American T-6G · Rossville, TNThe pilot’s failure to adequately monitor the airplane’s path during takeoff toward the setting sun. Contributing was the undetected worn and fractured tailwheel locking pin.NTSB CEN25FA388Accident · 2 fatalClass 3 · FieldPreliminary reportNorth American T-6G · Louise, TXOn September 20, 2025, about 1724 central daylight time, a North American T-6G airplane, N32SZ, was destroyed when it was involved in an accident near Lousie, Texas. The pilot and passenger sustained fatal injuries. The airplane was operated as a Title 14…NTSB ERA25LA342Accident · Minor injuriesClass 4 · LimitedFinal reportSchweizer G-164B · Dover, DEThe pilot’s exceedance of the critical angle of attack which resulted in an aerodynamic stall at an altitude too low to recover.NTSB CEN25LA323Accident · No injuriesClass 3 · LimitedPreliminary reportGrumman American Avn. G-164B · Fowler, INOn August 15, 2025, about 1910 eastern daylight time, a Grumman American Avn. Corp. G-164-B airplane, N7015N, was substantially damaged when it was involved in an accident near Fowler, Indiana. The pilot was not injured. The airplane was operated under Title…NTSB CEN25LA306Accident · Serious injuriesClass 3 · LimitedPreliminary reportAir Tractor AT-301 · Davenport, NDOn August 6, 2025, at 2035 central daylight time, an Air Tractor Inc AT-301 airplane, N23069, was substantially damaged when it was involved in an accident near Davenport, North Dakota. The commercial pilot sustained serious injuries. The airplane was…NTSB CEN25LA283Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-301 · Hartsburg, ILThe pilot’s failure to maintain control of the airplane during takeoff with a tailwind from a wet turf airstrip.NTSB CEN25LA254Accident · No injuriesClass 4 · LimitedFinal reportSchweizer G-164B · Russellville, INThe pilot’s failure to establish and maintain the airstrip centerline during takeoff, which resulted in the airplane’s right wingtips contacting the corn that bordered the airstrip.NTSB CEN25LA191Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-401 · Hamlet, NEThe pilot's failure to maintain clearance from the power lines during low altitude maneuvering.NTSB WPR25LA158Accident · Minor injuriesClass 4 · LimitedFinal reportSchweizer G-164B · Butte City, CAThe pilot’s use of engine beta prior to ensuring the tailwheel was on the ground during landing roll.NTSB CEN24LA364Accident · No injuriesClass 4 · LimitedFinal reportGrumman G-164A · LaPlace, LATotal loss of engine power during the agricultural application flight for reasons that could not be determined.NTSB WPR24LA282Accident · Serious injuriesClass 4 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Durham, CAThe pilot’s failure to maintain clearance from powerlines, which resulted in a wire strike.NTSB CEN24LA313Accident · No injuriesClass 3 · LimitedFinal reportGrumman G164 · Dyess, ARThe improper overhaul of the carburetor and the malfunction of left magneto which resulted in a partial loss of engine power.NTSB WPR24LA253Accident · No injuriesClass 4 · LimitedFinal reportCanadian Car & Foundry Harvard MK IV · Oshkosh, WIThe pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop.NTSB ERA24LA286Accident · No injuriesClass 3 · LimitedFinal reportGrumman G-164A · Toccoa, GAThe pilot’s failure to set the engine speed control fully forward during takeoff, resulting in an engine surge and subsequent loss of control during landing.NTSB CEN24LA241Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-301 · Andover, MOThe pilot’s inability to maintain altitude and airspeed during cruise flight likely due to a decrease in engine performance associated with the unauthorized use of automobile fuel, which led to an inflight collision with a tree and hard landing.NTSB WPR24LA214Accident · No injuriesClass 3 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Pleasant Grove, CAThe pilot’s delayed recognition of the extent of the airplane’s increased takeoff roll. Contributing to the accident was the pilot’s lack of experience operating the airplane at a high gross weight.NTSB WPR24FA213Accident · 1 fatalClass 3 · FieldFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Chamberino, NMAn aerodynamic stall and loss of control for reasons that could not be determined based on the available information.NTSB CEN24LA229Accident · Minor injuriesClass 4 · LimitedFinal reportAero Commander S2R · White, SDA low-level collision and engine ingestion with ducks, which resulted in a total loss of engine power, a forced landing, and a subsequent nose over.NTSB WPR24LA167Accident · Minor injuriesClass 4 · LimitedFinal reportCanadian Car & Foundry Harvard MK IV · Modesto, CAThe pilot’s improper fuel tank selection, which resulted in a total loss of engine power due to fuel starvation. Contributing to the accident was a malfunctioning fuel selector at low fuel levels.NTSB ANC24FA038Accident · 1 fatalClass 3 · FieldFinal reportSchweizer G-164B · Richvale, CAThe pilot’s failure to maintain clearance from a trailer located on the edge of the runway during takeoff. Contributing to the accident was the location of the trailer on the side of the runway.NTSB CEN24LA146Accident · No injuriesClass 3 · LimitedFinal reportSchweizer G-164B · Kaplan, LAA partial loss of engine power for reasons that could not be determined.NTSB CEN24LA029Accident · No injuriesClass 4 · LimitedFinal reportAg-Cat G-164B · Abbeville, LAThe pilot’s failure to maintain clearance from a power line during an aerial application flight.NTSB WPR23FA345Accident · 2 fatalClass 3 · FieldFinal reportNorth American T-6G · Reno, NVThe failure of both the Race 14 and Race 6 pilots to see and avoid each other while in the airport traffic pattern. Contributing to the accident was both pilots’ failure to fly the standard downwind and base legs.NTSB CEN23LA375Accident · No injuriesClass 4 · LimitedFinal reportSchweizer G-164B · Rice, MNThe pilot’s failure to maintain directional control during the landing roll with a left crosswind.NTSB WPR23LA305Accident · 1 fatalClass 3 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Davis, CAAn inflight loss of control during a low altitude operation for undetermined reasons.NTSB CEN23LA347Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-401 · Jamestown, NDThe pilot’s failure to maintain proper airspeed after liftoff, which resulted in the airplane exceeding its critical angle of attack and an aerodynamic stall.NTSB CEN23FA332Accident · 2 fatalClass 3 · FieldFinal reportNorth American AT-6D · Oshkosh, WIThe pilot’s failure to maintain airspeed while maneuvering, which resulted in the exceedance of the airplane’s critical angle of attack and an aerodynamic stall/spin.NTSB WPR23LA261Accident · No injuriesClass 4 · LimitedFinal reportNorth American AT-6G · La Grande, ORThe pilot's failure to maintain clearance from trees during an airstrip overfly, which resulted in impact damage to the left wing.NTSB CEN23FA269Accident · 1 fatalClass 3 · FieldFinal reportSchweizer G-164B · Beltrami, MNA collision with terrain and subsequent nose over for undetermined reasons.NTSB CEN23LA241Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-401B · Holyoke, COThe pilot's failure to maintain directional control during the landing roll.NTSB CEN23LA235Accident · No injuriesClass 4 · LimitedFinal reportNorth American T-6G · Colorado Springs, COThe pilot’s failure to maintain directional control during landing.NTSB WPR23LA211Accident · No injuriesClass 4 · LimitedFinal reportRockwell International S-2R · Paul, IDThe pilot’s failure to maintain directional control on the takeoff roll, resulting in a runway excursion.NTSB CEN23LA228Accident · No injuriesClass 4 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164 · Saffell, ARThe airplane’s encounter with a dust devil after takeoff, which resulted in a loss of lift, and a subsequent loss of control. Contributing to the accident was the presence of a dust devil in the airplane’s flight path.NTSB ERA23LA170Accident · No injuriesClass 4 · LimitedFinal reportNorth American T-6G · Lakeland, FLA loss of control on the ground as a result of left tailwheel steering cable separation.NTSB WPR23FA122Accident · 1 fatalClass 3 · FieldFinal reportRockwell International S-2R · Willows, CAThe pilot’s failure to maintain clearance from powerlines while flying under multiple conductors during a low-altitude aerial application flight, which resulted in propeller contact with a powerline and a subsequent loss of control.NTSB CEN23LA063Accident · No injuriesClass 4 · LimitedFinal reportRockwell International S2R-G6 · Mission, TXThe pilot's failure to maintain clearance from an electrical box.NTSB WPR22LA293Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-301 · Circle, MTThe loss of engine power due to carburetor ice. Contributing to the accident was the pilot’s failure to use carburetor heat.NTSB CEN22LA349Accident · No injuriesClass 3 · LimitedFinal reportSchweizer G-164B · Knox, INA partial loss of engine power for undetermined reasons.NTSB ERA22LA297Accident · Serious injuriesClass 3 · LimitedFinal reportGrumman G-164A · Hopewell Township, NJA partial loss of engine power while maneuvering at low altitude due to a failure of the airplane’s supercharger.NTSB ERA22LA224Accident · Minor injuriesClass 3 · LimitedFinal reportAir Tractor AT-301 · Somerville, TNThe inadequate inspection and maintenance of the engine exhaust system, which resulted in an in-flight fire.NTSB CEN22LA193Accident · No injuriesClass 4 · LimitedFinal reportNorth American AT-6D · Huntington, INLoss of directional control during landing that resulted in an impact with terrain.NTSB ERA22LA214Accident · No injuriesClass 4 · LimitedFinal reportNorth American SNJ-6 · Greenwood, SCThe loss of directional control due to a fractured tailwheel steering linkage assembly.NTSB CEN22LA187Accident · No injuriesClass 3 · LimitedFinal reportNorth American AT-6D · Fredericksburg, TXA total loss of engine power due to a failure of the No. 1 cylinder.NTSB CEN22LA157Accident · Serious injuriesClass 3 · LimitedFinal reportAir Tractor AT-401 · Rayville, LAA loss of engine power for a reason that could not be determined based on available information.NTSB CEN22LA101Accident · No injuriesClass 4 · LimitedFinal reportNorth American AT-6C · San Antonio, TXThe pilot’s loss of directional control during landing.NTSB WPR22FA026Accident · 1 fatalClass 3 · FieldFinal reportAyres S-2R · Shafter, CAThe pilot’s decision to depart into instrument meteorological conditions, which resulted in spatial disorientation and a subsequent loss of airplane control.