NTSB investigations: Pratt & Whitney R1340 series

70 cases on aircraft whose registry engine model is Pratt & Whitney R1340 series, where the first occurrence was “In flight collision with terrain/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

19822026
NTSB investigations: Pratt & Whitney R1340 series per year, 1982–2026: 70 cases
19825
19833
19845
19854
19862
19872
19882
19892
19904
19915
19924
19931
19944
19953
19961
19973
19981
19994
20001
20013
20022
20051
20063
20075

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_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 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 LAX08CA034Accident · Serious injuriesData collectionFinal reportAir Tractor AT-401 · Soledad, CAThe pilot's failure to maintain an adequate clearance from mountainous terrain while maneuvering during an aerial application mission. Contributing to the accident was the pilot's diverted attention inside the cockpit.Dec 6, 2007 · N6024M · DestroyedNTSB NYC07LA219Accident · 1 fatalLimited investigationFinal reportNorth American SNJ-2 · Virginia Beach, VAThe pilot's inability to maintain control of the airplane due to physiological incapacitation. Contributing to the accident was the failure of the Federal Aviation Administration to deny or restrict the pilot's medical certification, and the pilot's improper…Sep 7, 2007 · N52033 · DestroyedNTSB DFW07LA148Accident · Serious injuriesLimited investigationFinal reportAir Tractor 301 · Lueders, TXThe pilot's failure to maintain airspeed which resulted in an inadvertent stall and subsequent impact with terrain.Jul 3, 2007 · N7305E · DestroyedNTSB CHI07LA162Accident · 1 fatalLimited investigationFinal reportAero Commander S2R · Watford City, NDThe agricultural pilot's failure to maintain clearance from the terrain while maneuvering to avoid power lines. The power lines were a contributing factor in the accident.Jun 5, 2007 · N8835Q · DestroyedNTSB DFW07CA081Accident · No injuriesData collectionFinal reportGulfstream-Schweizer G-164B · Arcola, MSThe pilot's failure to maintain clearance from trees while maneuvering during aerial application.Feb 23, 2007 · N8063K · Substantial damageNTSB ANC06LA103Accident · Serious injuriesLimited investigationFinal reportde Havilland DHC-3 · Juneau, AKThe pilot's failure to maintain altitude/clearance during approach, which resulted in the airplane impacting the surface of the water. Factors associated with the accident were the flat-light and glassy water conditions, which affected the pilot's ability to…Jul 31, 2006 · N93356 · Substantial damageNTSB SEA06CA145Accident · Minor injuriesData collectionFinal reportGrumman-Schweizer G-164B · Lamont, WAThe pilot's failure to maintain terrain clearance while maneuvering.Jul 23, 2006 · N8376K · Substantial damageNTSB ANC06CA039Accident · No injuriesData collectionFinal reportGrumman-Schweizer G-164A · Dixon, CAThe pilot's failure to attain altitude/clearance during takeoff/initial climb, which resulted in an in-flight collision with terrain. Factors associated with the accident were the pilot's inadequate evaluation of the weather, and unfavorable winds.Mar 30, 2006 · N5397 · Substantial damageNTSB CHI05LA188Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-301 · Langdon, NDThe pilot's failure to maintain clearance from the terrain while attempting an abrupt turning maneuver at a low altitude.Jul 15, 2005 · N3159N · DestroyedNTSB CHI02LA221Accident · Minor injuriesLimited investigationFinal reportAir Tractor 301 · Ulen, MNThe pilot not performing an aborted takeoff. A factor was the soybean crop.Jul 26, 2002 · N3167P · Substantial damageNTSB CHI02LA206Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401B · Pratt, KSThe pilot's failure to maintain terrain clearance. A factor was low altitude flight.Jul 22, 2002 · N60747 · Substantial damageNTSB CHI01LA191Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Grygla, MNThe pilot not maintaining altitude/clearance from terrain on takeoff. A factor was the high density altitude.Jun 30, 2001 · N3656B · Substantial damageNTSB LAX01LA228Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Meridian, CAThe pilot's misjudged and inadequate altitude while maneuvering during an aerial application flight.Jun 27, 2001 · N2236F · Substantial damageNTSB FTW01LA119Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Rosharon, TXthe pilot's failure to maintain aircraft control while maneuvering. Factors were the weather conditions and the muddy terrain.May 15, 2001 · N6778K · Substantial damageNTSB FTW00LA212Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-401 · Panhandle, TXThe pilot's failure to maintain airspeed, which resulted in a stall.Jul 18, 2000 · N6055W · DestroyedNTSB DEN99LA155Accident · Minor injuriesLimited investigationFinal reportNorth American SNJ-4 (AT-6) · Mack, COThe pilot misjudging his distance and altitude from the runway. A factor was the tall crops.Aug 28, 1999 · N7011C · Substantial damageNTSB MIA99LA212Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Moore Haven, FLThe pilot exceeding the gross takeoff weight which reduced the climb capability and subsequent in-flight collision with terrain. Contributing to the accident was the high temperature and the pilot's failure to use aircraft performance data for the weather…Aug 2, 1999 · N15585 · Substantial damageNTSB CHI99LA258Accident · Serious injuriesLimited investigationFinal reportAir Tractor 401B · Mccanna, NDthe inadvertent stall by the pilot.Jul 24, 1999 · N6006A · Substantial damageNTSB CHI99LA215Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Page, NDthe pilot's failure to compensate for the wind conditions. Factors were the sudden windshift and the crops.Jul 3, 1999 · N6633K · Substantial damageNTSB LAX98LA255Accident · Serious injuriesLimited investigationFinal reportGrumman G-164A · Nelson, CAThe pilot's failure to maintain an adequate ground clearance altitude while applying chemicals to a rice field.Aug 3, 1998 · N8388 · DestroyedNTSB FTW97FA229Accident · 1 fatalField investigationFinal reportAir Tractor AT-301 · Las Animas, COin-flight collision with terrain, while maneuvering, for undetermined reason(s).Jun 19, 1997 · N7308E · DestroyedNTSB LAX97LA212Accident · Serious injuriesLimited investigationFinal reportSchweizer G-164B · Rio Linda, CAthe pilot's inadequate preflight planning/preparation by failing to ensure that sufficient airspeed would be obtained and/or maintained to remain clear of obstacles at the departure end of the runway. The obstacles (power lines & poles) were a related factor.Jun 16, 1997 · N3631G · Substantial damageNTSB SEA97LA099Accident · 1 fatalLimited investigationFinal reportGrumman G-164A · Rosalia, WAThe pilot-in-command's failure to maintain clearance with terrain. Factors contributing to the accident were, hilly terrain conditions and impairment due to recent use of marihuana.May 6, 1997 · N7926 · DestroyedNTSB FTW96FA200Accident · 1 fatalField investigationFinal reportNorth American Harvard MK II · Lafayette, LAfailure of the pilot to maintain adequate airspeed and/or altitude, while performing aerobatic flight.May 4, 1996 · N2755Z · DestroyedNTSB FTW96LA070Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Pawnee, OKThe pilot's failure to maintain adequate clearance from the terrain.Dec 13, 1995 · N6642K · Substantial damageNTSB LAX96LA012Accident · Minor injuriesLimited investigationFinal reportGrumman G-164B · Lost Hills, CAthe pilot misjudged the aircraft's altitude.Oct 16, 1995 · N8247K · DestroyedNTSB CHI95LA219Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Grygla, MNThe pilot's failure to maintain altitude and/or clearance at the beginning of the spray run. A factor was turbulence due to the different Air temperatures of adjoining terrain.Jul 12, 1995 · N8673S · Substantial damageNTSB FTW94LA174Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Stuttgart, ARWas the pilots failure to maintain terrain clearance.May 20, 1994 · N9678 · Substantial damageNTSB ATL94LA104Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Memphis, TNThe pilot's failure to maintain clearance from the earthen dike during the swath run.May 20, 1994 · N6816Q · Substantial damageNTSB CHI94LA106Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Sublette, KSthe commercial pilot's failure to maintain clearance from terrain. Related factors are sun glare and rising terrain.Mar 15, 1994 · N9686 · Substantial damageNTSB LAX94LA099Accident · Serious injuriesLimited investigationFinal reportGrumman G-164A · Davis, CAwas that the pilot misjudged the airplane's altitude during the swath run.Jan 20, 1994 · N8649H · DestroyedNTSB FTW93LA156Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Trumann, ARPilot's failure to maintain terrain clearance. A factor was the diverted attention of the pilot.May 15, 1993 · N6556 · Substantial damageNTSB ATL92LA124Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Ft. Gaines, GAThe pilot's inadequate preflight planning/preparation.Jun 14, 1992 · N7357 · Substantial damageNTSB FTW92LA143Accident · Minor injuriesLimited investigationFinal reportGrumman G-164B · Walnut Ridge, ARThe pilot's failure to maintain adequate terrain clearance. A factor was the loss of power as result of the uncoupling of the engine and the propeller.May 23, 1992 · N8380K · Substantial damageNTSB FTW92LA118Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Almyra, ARThe pilot's improper judgement of the descent rate and his inadequate pull up at the bottom.Apr 22, 1992 · N4430S · Substantial damageNTSB LAX92LA110Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Greenfield, CAThe pilot's failure to maintain adequate altitude during an intentionally performed low altitude flight in mountainous terrain. Contributing factors related to the pilot's visual perception of the canyon area because of changes in the ambient lighting…Feb 5, 1992 · N8507H · DestroyedNTSB CHI91DTG07Accident · No injuriesFinal reportAyres S2R · Drayton, NDMisjudged clearance by the pilot. A factor related to the accident is overconfidence in personal ability.Aug 7, 1991 · N4010H · Substantial damageNTSB FTW91DPG18Accident · No injuriesFinal reportGrumman G-164A · Dewitt, ARThe pilot's failure to maintain proper glidepath. A factor was the berm at the approach end of the runway.Jul 31, 1991 · N5076 · Substantial damageNTSB LAX91LA301Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Eloy, AZThe failure of the pilot to maintain the terrain clearance of the aircraft while maneuvering for a potential emergency landing on a moonless dark night.Jul 9, 1991 · N6633K · Substantial damageNTSB ANC91LA061Accident · 1 fatalLimited investigationFinal reportRockwell S-2R · Larsen Bay, AKThe pilot's decision to continue VFR into IMC conditions and failure to maintain proper altitude. Contributing to the accident was the low ceiling and fog.May 25, 1991 · N4851X · DestroyedNTSB FTW91DPG06Accident · No injuriesFinal reportGrumman G-164A · Gillett, ARThe windshiled becoming obscured by aerial application spray and the resultant limited vision from the cockpit.May 14, 1991 · N9785 · Substantial damageNTSB FTW90DRA09Accident · No injuriesFinal reportGrumman G-164A · Altair, TXThe pilot's use of improper terrain for takeoff.Sep 14, 1990 · N6566 · DestroyedNTSB FTW90DPG04Accident · No injuriesFinal reportAir Tractor 301A · Foreman, ARThe pilot's inadvertent stall/mush.Jul 30, 1990 · N31631 · DestroyedNTSB FTW90DRG04Accident · No injuriesFinal reportAir Tractor AT-301 · Mission, TXThe pilot's failure to maintain proper clearance above the crops he was spraying. A factor was the tree induced mechanical turbulence encountered during the descending turn.Jul 2, 1990 · N3653W · Substantial damageNTSB SEA90LA105Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Jerome, IDThe pilot did not maintain a proper altitude while maneuvering to reverse direction.Jun 21, 1990 · N4530N · Substantial damageNTSB MKC89LA190Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Wabbaseka, ARImproper planning/decision by the pilot which resulted in his failure to maintain clearance from the tall vegetation (grass). The tall vegetation & high density altitude were considered to be contributing factors.Aug 26, 1989 · N10103 · Substantial damageNTSB MIA89LA203Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Schlater, MSInadequate preflight planning/preparation by the pilot which resulted in the selection of the wrong runway. The tailwindand dirt bank were considered to be contributing factors.Jul 19, 1989 · N4579 · Substantial damageNTSB ATL88DKG14Accident · Minor injuriesFinal reportAyres Thrush S2R · Ochlocknee, GAShortly after takeoff the pilot allowed the nose to drop resulting in a collision with the ground. The airplane hit the ground, right wing first, and traveled about 500 feet before stopping. The pilot had been spraying methyl parathion all day and stated he…Aug 26, 1988 · N4006P · Substantial damageNTSB SEA88LA135Accident · No injuriesLimited investigationFinal reportSchweizer G164A · Colfax, WAOn departure with a load of chemical, ag plt attempted to outclimb rising terrain ahead. The aircraft collided with terrain in a stall/mush.Jul 21, 1988 · N8974H · Substantial damageNTSB DEN87LA192Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Romeo, COThe plt reports that the acft encountered a downdraft during the turn around following a swath run. The aircraft began to settle and collided with the ground, bounced, hit a second time and nosed over. The aircraft was loaded with 280 gals of amine and 70…Jul 22, 1987 · N5398 · Substantial damage