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NTSB investigations: Pratt & Whitney R1340 series, 1994

40 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

19642026

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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 year(c.\"eventDate\") = 1994
    AND 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.

NTSB MIA95LA015Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Madison, MSThe pilots improper use of brakes during a precautionary landing.Nov 1, 1994 · N8456V · DestroyedNTSB MIA95LA008Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Immokalee, FLFailure of the pilot to refuel resulting in loss of engine power due to fuel exhaustion.Oct 24, 1994 · N3629X · Substantial damageNTSB FTW95LA028Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Lubbock, TXThe pilot's failure to maintain clearance with the irrigation equipment. A factor was pilot fatigue.Oct 21, 1994 · N8523S · Substantial damageNTSB ATL95LA006Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Jakin, GAThe loss of engine power for undetermined reasons.Oct 20, 1994 · N8960H · Substantial damageNTSB ATL95LA004Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Ashburn, GAThe failure of a blade counterweight bearing shaft, allowing one propeller blade to go to high pitch.Oct 5, 1994 · N8971Q · Substantial damageNTSB FTW94LA306Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Mcgehee, ARThe loss of engine power due to undetermined reasons. A factor was the unsuitable terrain.Sep 20, 1994 · N4549N · Substantial damageNTSB LAX94LA368Accident · 1 fatalLimited investigationFinal reportNorth American SNJ-5 · Reno, NVthat the pilot of the other airplane misjudged the distance between the airplanes. The other airplane pilot's diverted attention to the air race is a factor in this accident.Sep 18, 1994 · N8540Z · 2 aircraft · DestroyedNTSB CHI94LA292Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Clifton, ILthe pilots failure to keep visual contact with and to avoid unmarked powerlines adjacent to the crop field he was spraying.Aug 23, 1994 · N8971H · DestroyedNTSB LAX94LA327Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Firebaugh, CAthe loss of engine power due to the failure of the number 2 cylinder head. A factor was the dark night conditions which inhibited the pilot's ability to visually detect ground obstructions in the landing area.Aug 19, 1994 · N8843Q · Substantial damageNTSB FTW94LA271Accident · Minor injuriesLimited investigationFinal reportRockwell S-2R · Clint, TXThe power loss for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.Aug 4, 1994 · N4890X · Substantial damageNTSB FTW94LA256Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Mcgehee, ARTotal loss of engine power as the engine seized due to a blower bearing failure. A factor was the lack of suitable terrain for the forced landing.Aug 2, 1994 · N45297 · Substantial damageNTSB SEA94LA200Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-301 · Connell, WAThe pilot's failure to maintain airspeed while conducting aerial application activities.Jul 29, 1994 · N3649Y · DestroyedNTSB LAX94LA299Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Live Oak, CAthe improper adjustment of the fuel control unit by contract maintenance personnel.Jul 27, 1994 · N3627Q · Substantial damageNTSB ATL94LA142Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Samson, ALThe failure of the aileron torque tube bolt from fatigue, which resulted in an inflight loss of aircraft control and collision with terrain.Jul 18, 1994 · N4242X · Substantial damageNTSB FTW94LA238Accident · Serious injuriesLimited investigationFinal reportRockwell S-2R · Winchester, ARThe loss of power due to the number one cylinder head cracking. A factor was the lack of suitable terrain for the forced landing.Jul 15, 1994 · N4903X · Substantial damageNTSB MIA94LA172Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Rolling Fork, MSThe loss of engine power for undetermined causes. Contributing to the accident was the unsuitable terrain encountered during the forced landing.Jul 3, 1994 · N8820Q · Substantial damageNTSB ATL94LA130Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Autaugaville, ALThe pilot's inadequate preflight planning, in that he did not properly evaluate the condition of the runway prior to takeoff, and his failure to abort the takeoff when adequate acceleration was not observed. Factors were the high vegetation (grass) on the…Jul 3, 1994 · N3659D · Substantial damageNTSB ATL94LA128Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301 · Smithville, GAThe failure of # 2 cylinder head.Jul 2, 1994 · N3649B · DestroyedNTSB MIA94LA168Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Walls, MSThe partial loss of engine power for undetermined reasons. The sandy terrain was a factor.Jun 27, 1994 · N45332 · Substantial damageNTSB ATL94LA127Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Finley, TNThe loss of engine power for undetermined reasons. Factors were wet and soft terrain.Jun 27, 1994 · N36484 · Substantial damageNTSB FTW94LA211Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Dumas, ARThe pilot's failure to establish the proper airspeed before beginning a turn after takeoff.Jun 25, 1994 · N4222P · DestroyedNTSB FTW94LA200Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Pioneer, LAFuel exhaustion due to the pilot's failure to refuel. A factor was a lack of suitable terrain for the forced landing.Jun 16, 1994 · N10112 · Substantial damageNTSB LAX94LA247Accident · Serious injuriesLimited investigationFinal reportGrumman G-164A · Bakersfield, CAThe in-flight fire due to the spontaneous combustion of sulfur dust and subsequent forced landing. A factor was the high temperature.Jun 11, 1994 · N8507H · Substantial damageNTSB ATL94GA111Accident · No injuriesFinal reportGrumman G-164A · Savannah, GAThe pilot's improper landing flare which resulted in a hard landing. A factor was the operators failure to provide a formal emergency dump procedure.Jun 2, 1994 · N9868 · Substantial damageNTSB SEA94LA131Accident · Minor injuriesLimited investigationFinal reportRockwell S-2R · Touchet, WAThe pilot's inadequate compensation for wind conditions. The wind gusts were a factor.May 28, 1994 · N5642X · Substantial damageNTSB CHI94LA176Accident · No injuriesLimited investigationFinal reportSnow 600-S2C · Bancroft, WIthe pilots failure to select carburetor heat during an extended descent, which resulted in loss of engine power. Factors were carburetor icing conditions and the presence of a ditch at the forced landing site.May 25, 1994 · N1659S · Substantial damageNTSB FTW94LA178Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Antonito, COThe pilot's improper compensation for wind conditions. A factor was the gusty crosswind and the pilot inadvertently becoming lost.May 24, 1994 · N6695K · 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 FTW94LA164Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Monticello, ARThe loss of engine power due to the number 2 cylinder cracking. A factor was the lack of suitable terrain for the forced landing.May 17, 1994 · N4080X · Substantial damageNTSB SEA94LA117Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Yuba City, CAAn inadvertent stall/mush after takeoff. The over-weight loading of the aircraft was a factor.May 12, 1994 · N8214S · Substantial damageNTSB SEA94LA116Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Dayton, WATotal failure of the connecting rod.May 7, 1994 · N5646X · Substantial damageNTSB FTW94LA145Accident · Serious injuriesLimited investigationFinal reportGrumman G-164A · El Campo, TXThe partial loss of engine power due to one magneto being weak and the other magneto arcing inside its case. A factor was the lack of suitable terrain for the forced landing.May 7, 1994 · N9682 · DestroyedNTSB CHI94LA148Accident · Minor injuriesLimited investigationFinal reportNorth American T-6G · Prairie Du Sac, WIinadequate compensation for wind conditions which resulted in a failure to maintain directional control. Factors associated with the accident were the crosswind conditions and the soft terrain.May 5, 1994 · N3715G · Substantial damageNTSB LAX94LA205Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Robbins, CAThe pilot's improper use of the brakes.Apr 23, 1994 · N6774K · Substantial damageNTSB FTW94LA131Accident · Minor injuriesLimited investigationFinal reportGulfstream G-164B · Delaplaine, ARThe loss of engine power for undetermined reasons. A factor was the low altitude at which the power loss occurred.Apr 21, 1994 · N8402K · Substantial damageNTSB FTW94LA122Accident · No injuriesLimited investigationFinal reportSchweizer G-164 · Mount Bellvue, TXThe pilot's failure to maintain directional control. Factors were the soft runway and gusty winds.Apr 9, 1994 · N3628T · 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 LAX94LA133Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Clarksburg, CAThe total failure of the no. 1 cylinder due to fatigue resulting from an improperly adjusted mixture causing detonation. The soft, wet plowed field was a factor in this accident.Feb 23, 1994 · N36265 · 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 · Destroyed