NTSB investigations: Pratt & Whitney R1340 series

50 cases on aircraft whose registry engine model is Pratt & Whitney R1340 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

20082026
NTSB investigations: Pratt & Whitney R1340 series per year, 2008–2026: 50 cases
20084
20094
20104
20114
20131
20142
20152
20164
20175
20181
20193
20202
20212
20223
20235
20242
20251
20261

Latest 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')
      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.

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.Sep 9, 2026 · N407EZ · Substantial damageNTSB 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.May 9, 2025 · N7503L · Substantial damageNTSB 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.Jul 25, 2024 · N52494 · Substantial damageNTSB 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.Jun 29, 2024 · N7849 · Substantial damageNTSB 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.Aug 21, 2023 · N943QC · Substantial damageNTSB CEN23LA241Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-401B · Holyoke, COThe pilot's failure to maintain directional control during the landing roll.Jun 15, 2023 · N6106U · Substantial damageNTSB CEN23LA235Accident · No injuriesClass 4 · LimitedFinal reportNorth American T-6G · Colorado Springs, COThe pilot’s failure to maintain directional control during landing.Jun 9, 2023 · N16JV · Substantial damageNTSB 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.Jun 3, 2023 · N4894X · Substantial damageNTSB 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.Mar 29, 2023 · N791MH · Substantial damageNTSB CEN22LA193Accident · No injuriesClass 4 · LimitedFinal reportNorth American AT-6D · Huntington, INLoss of directional control during landing that resulted in an impact with terrain.May 2, 2022 · N515SA · Substantial damageNTSB ERA22LA214Accident · No injuriesClass 4 · LimitedFinal reportNorth American SNJ-6 · Greenwood, SCThe loss of directional control due to a fractured tailwheel steering linkage assembly.May 1, 2022 · N451WA · Substantial damageNTSB CEN22LA101Accident · No injuriesClass 4 · LimitedFinal reportNorth American AT-6C · San Antonio, TXThe pilot’s loss of directional control during landing.Jan 16, 2022 · N16JG · Substantial damageNTSB ERA22LA032Accident · No injuriesClass 4 · LimitedFinal reportNorth American AT-6D · Pickens, SCThe pilot’s failure to maintain directional control during landing, resulting in a runway excursion and collision with rocky terrain.Oct 24, 2021 · N3771M · Substantial damageNTSB CEN21LA393Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-401B · Storm Lake, IAThe pilot’s failure to maintain adequate airspeed during a landing approach with a tailwind that resulted in a landing overrun and impact with terrain.Sep 1, 2021 · N5081W · Substantial damageNTSB WPR20LA175Accident · Minor injuriesClass 3 · LimitedFinal reportGrumman G164 · Lincoln, CAThe pilot’s loss of directional control on takeoff for undetermined reasons.Jun 4, 2020 · N8486K · Substantial damageNTSB CEN20CA176Accident · No injuriesClass 4 · Data collectionFinal reportNorth American SNJ · San Antonio, TXThe pilot's loss of directional control while landing a tailwheel airplane in gusty wind conditions.May 8, 2020 · N3238G · Substantial damageNTSB WPR20LA025Accident · No injuriesClass 3 · LimitedFinal reportNorth American SNJ-4 · Heber City, UTThe pilot’s loss of directional control during landing as a result of the separated tailwheel-to-rudder link rodNov 16, 2019 · N694US · Substantial damageNTSB GAA19CA493Accident · No injuriesData collectionFinal reportNorth American AT 6D · Chino, CAThe pilot's improper landing flare, which resulted in a bounced landing, and his subsequent exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall.Aug 10, 2019 · N6432D · Substantial damageNTSB CEN19CA237Accident · No injuriesData collectionFinal reportNorth American AT 6F · Oshkosh, WIThe pilot's loss of directional control during landing with a quartering tailwind, which resulted in a runway excursion and subsequent substantial damage.Jul 24, 2019 · N7976A · Substantial damageNTSB GAA18CA414Accident · No injuriesData collectionFinal reportNorth American AT · Moneta, VAThe pilot's failure to maintain a proper descent rate, which resulted in a bounced landing and his subsequent failure to maintain directional.Jul 5, 2018 · N29963 · Substantial damageNTSB WPR18LA015Accident · No injuriesLimited investigationFinal reportSchweizer G 164B · Tracy, CAThe pilot's failure to maintain directional control of the airplane during the landing roll.Oct 24, 2017 · N8494K · Substantial damageNTSB GAA17CA459Accident · No injuriesData collectionFinal reportRockwell International S 2R · McRae, GAThe pilot’s failure to maintain directional control during the landing roll in tailwind conditions.Jul 27, 2017 · N4886X · Substantial damageNTSB GAA17CA267Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G 164 · Walnut Ridge, ARThe pilot’s failure to maintain directional control during the go-around with a tailwind.May 8, 2017 · N6944K · Substantial damageNTSB GAA17CA242Accident · No injuriesData collectionFinal reportNorth American SNJ · Van Nuys, CAThe pilot’s failure to maintain directional control of the airplane during the landing roll with a quartering tailwind.Apr 20, 2017 · N7969C · Substantial damageNTSB ERA17CA149Accident · Serious injuriesData collectionFinal reportNorth American T 6G · Culpepper, VAThe pilot's failure to maintain airplane and directional control during the landing roll and subsequent go-around in gusting wind conditions.Apr 8, 2017 · N3167G · Substantial damageNTSB GAA16CA464Accident · No injuriesData collectionFinal reportNorth American SNJ · Perris, CAThe pilot's inability to compensate for a dust devil during an aborted landing, which resulted in the left wing contacting the ground, a runway excursion, and the airplane coming to rest in a nose-down attitude.Sep 3, 2016 · N7296C · Substantial damageNTSB GAA16CA338Accident · No injuriesData collectionFinal reportNorth American SNJ · Jackson, MIThe pilot's failure to maintain directional control during the landing roll, which resulted in a runway excursion, right main landing gear collapse, and impact with the ground.Jun 25, 2016 · N7980C · Substantial damageNTSB CEN16TA194Accident · No injuriesFinal reportNorth American AT6 · Mason, MIThe pilot's failure to maintain directional control during the landing roll in gusting crosswind conditions, which resulted in a runway excursion and impact with a ditch.May 18, 2016 · N757LF · Substantial damageNTSB GAA16CA176Accident · No injuriesData collectionFinal reportNorth American AT6 · Yukon, OKThe pilot's failure to maintain directional control during the landing roll in gusty wind conditions, which resulted in runway excursion and impact with terrain.Apr 2, 2016 · N107FG · Substantial damageNTSB WPR15LA186Accident · Serious injuriesLimited investigationFinal reportRockwell International S 2R · Washtucna, WAThe pilot's failure to maintain directional control while landing with a quartering tailwind.Jun 16, 2015 · N8420V · Substantial damageNTSB GAA15CA113Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G 164A · Bakersfield, CAThe pilot's failure to maintain directional control during the landing roll, resulting in a runway excursion, and a collision with terrain.Jun 9, 2015 · N8372 · Substantial damageNTSB ERA14CA394Accident · No injuriesData collectionFinal reportNorth American SNJ-6 · Readington, NJThe pilot's failure to maintain aircraft control during landing which resulted in an aircraft nose-over.Aug 16, 2014 · N211A · Substantial damageNTSB CEN14CA427Accident · Serious injuriesData collectionFinal reportAir Tractor AT 401B · Cimarron, KSThe pilot's failure to maintain clearance from the antenna guy wire during an aerial application pass.Aug 13, 2014 · N9071Z · Substantial damageNTSB WPR14CA002Accident · No injuriesData collectionFinal reportAir Tractor AT 401 · Waco, TXThe pilot’s failure to maintain directional control during the takeoff in gusting wind conditions.Oct 1, 2013 · N1013R · Substantial damageNTSB CEN11CA570Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · Minot, NDThe pilot's failure to maintain directional control during the crosswind landing, resulting in a ground loop.Aug 3, 2011 · N8764S · Substantial damageNTSB WPR11CA229Accident · No injuriesData collectionFinal reportRockwell International S-2R · Kahlotus, WAThe pilot's failure to maintain directional control during takeoff.May 18, 2011 · N4996X · Substantial damageNTSB CEN11CA174Accident · No injuriesData collectionFinal reportGulfstream-Schweizer A/C Gulfstream AM G-164B · Walnut Ridge, ARThe pilot's failure to maintain directional control while landing with a left quartering tailwind and wind gusts.May 10, 2011 · N8402K · Substantial damageNTSB CEN11CA301Accident · No injuriesData collectionFinal reportAyres S2R-R1340 · Estelline, SDThe pilot's failure to maintain directional control of the airplane during takeoff.Apr 25, 2011 · N3104S · Substantial damageNTSB WPR10CA444Accident · Minor injuriesData collectionFinal reportSchweizer 164B · Murtaugh, IDThe pilot’s inadequate compensation for the wind and failure to maintain directional control during the takeoff roll.Sep 2, 2010 · N7502Y · Substantial damageNTSB CEN10CA412Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · Edmore, NDThe pilot's selection of unsuitable terrain for landing.Jul 17, 2010 · N8774S · Substantial damageNTSB ERA10CA329Accident · No injuriesData collectionFinal reportNorth American SNJ-4 · Suffolk, VAThe pilot's failure to maintain directional control during the landing.Jun 17, 2010 · N43NA · Substantial damageNTSB CEN10CA201Accident · No injuriesData collectionFinal reportGrumman G-164B · Forest City, MOThe pilot's failure to maintain aircraft control during landing, which resulted in an encounter with wet/muddy terrain and a subsequent nose over.Apr 8, 2010 · N993QC · Substantial damageNTSB WPR10CA052Accident · No injuriesData collectionFinal reportNorth American T6-G · Carson City, NVThe pilot's failure to maintain directional control during landing.Nov 8, 2009 · N48N · Substantial damageNTSB WPR09LA457Accident · No injuriesLimited investigationFinal reportNorth American AT-6G · Ely, NVThe pilot's failure to maintain directional control during the landing roll.Jul 28, 2009 · N555Q · Substantial damageNTSB ERA09CA242Accident · No injuriesData collectionFinal reportNorth American SNJ · Bessemer, ALThe pilot's failure to maintain aircraft control while landing with a crosswind.Apr 14, 2009 · N269WB · Substantial damageNTSB ERA09CA135Accident · No injuriesData collectionFinal reportNorth American SNJ-5 · Merritt Island, FLThe pilot's failure to maintain aircraft control during landing in windy conditions.Jan 16, 2009 · N7861B · Substantial damageNTSB CHI08CA295Accident · Minor injuriesData collectionFinal reportNorth American Harvard MK · Dayton, OHImproper maintenance on the tail wheel anti-shimmy mechanism and the pilot's decision to continue operating the airplane with a known shimmy in the tail wheel.Sep 28, 2008 · N9272C · Substantial damageNTSB DEN08CA154Accident · No injuriesData collectionFinal reportNorth American SNJ-5 · Leadville, COThe pilot's failure to maintain aircraft control during takeoff.Sep 5, 2008 · N9813C · Substantial damageNTSB CHI08CA198Accident · No injuriesData collectionFinal reportRockwell S2R · Carthage, ILThe pilot failed to maintain directional control during the takeoff roll. Contributing to the accident were the uneven runway, the runway edge, and the cornfield.Jul 18, 2008 · N8466V · Substantial damageNTSB DFW08CA156Accident · No injuriesData collectionFinal reportAyres S-2R · McDonald, KSThe pilot's failure to maintain aircraft control during the takeoff. Contributing to the accident was the soft terrain.May 25, 2008 · N4002R · Substantial damage