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NTSB investigations: Pratt & Whitney R1340 series, 1993

29 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\") = 1993
    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 LAX94LA063Accident · No injuriesLimited investigationFinal reportNorth American SNJ-5 · Santa Paula, CAwas the failure of the needle valve pin assembly in the airplane's carburetor. A factor which contributed to the accident was the lack of suitable terrain for the emergency landing.Dec 3, 1993 · N89014 · Substantial damageNTSB LAX94LA019Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Arvin, CAthe loss of power for undetermined reasons.Oct 19, 1993 · N7501K · Substantial damageNTSB NYC94LA009Accident · 1 fatalLimited investigationFinal reportNorth American SNJ-2 · Skaneateles, NYThe pilot's inadequate preflight preparation which failed to adequately secure cargo, resulting control interference. A factor was the overgross weight condition of the airplane.Oct 15, 1993 · N61563 · Substantial damageNTSB LAX93LA365Accident · Minor injuriesLimited investigationFinal reportSnow 600-S2C · Surprise, AZThe pilot's improper inflight planning resulting in his airplane's encounter with wake turbulence.Sep 22, 1993 · N1677S · Substantial damageNTSB ATL93LA157Accident · No injuriesLimited investigationFinal reportAir Tractor AT301 · Deatsville, ALWas a crack in no.3 cylinder head which resulted in the loss of engine power.Sep 11, 1993 · N36613 · Substantial damageNTSB LAX93LA327Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Dos Palos, CAThe failure of the master rod which resulted in a complete loss of engine power and subsequent forced landing. The irrigation ditch was a factor in this accident.Aug 18, 1993 · N2330V · Substantial damageNTSB MIA93LA176Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Immokalee, FLThe pilot-in-command's failure to maintain airspeed (vs) while maneuvering resulting in a stall/mush.Aug 16, 1993 · N8451K · Substantial damageNTSB FTW93LA239Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Garwood, TXThe partial power loss for undetermined reasons. A factor was the lack of suitable terrain onto which a forced landing could be executed.Aug 13, 1993 · N7993 · Substantial damageNTSB FTW93LA238Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Pioneer, LAThe failure by both pilots to maintain visual lookout. Factors were the inadequate radio communications by both pilots, and the departing pilot's failure to follow procedures and directives.Aug 12, 1993 · N8227K · 2 aircraft · Substantial damageNTSB FTW93LA230Accident · No injuriesLimited investigationFinal reportAero Commander S2R · England, ARA partial loss of engine power for undetermined reasons.Aug 4, 1993 · N5570X · Substantial damageNTSB SEA93LA168Accident · Serious injuriesLimited investigationFinal reportCessna A150L · Ephrata, WAInadequate visual lookout by both pilots, resulting in their failure to see-and-avoid each other's aircraft. A factor related to the accident was: failure of the Grumman 164B pilot to adequately monitor the UNICOM frequency.Aug 1, 1993 · N5958J · 2 aircraft · DestroyedNTSB BFO93LA142Accident · No injuriesLimited investigationFinal reportNorth American AT-6 · Matawan, NJThe water collection in the ignition harness which rendered the lower cylinder spark plugs inoperative resulting in partial power loss.Jul 30, 1993 · N6617X · Substantial damageNTSB LAX93LA303Accident · No injuriesLimited investigationFinal reportAyres S2R · Stratford, CAThat the pilot misjudged the airplane's altitude. Factors relating to this accident were the pilot's fatigue and the light conditions.Jul 28, 1993 · N4930X · DestroyedNTSB ATL93LA132Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Atmore, ALThe total failure of the engine supercharger, which resulted in engine stoppage. A factor was the rough terrain at the forced landing site.Jul 23, 1993 · N4824 · Substantial damageNTSB DEN93LA081Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Dermott, ARPower loss due to the total failure of the engine's master rod. Factors were an improper engine overhaul and the lack of suitable terrain for a forced landing.Jul 15, 1993 · N1009T · Substantial damageNTSB FTW93LA180Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Dumas, ARThe pilot's inadequate compensation for wind conditions.Jun 7, 1993 · N6622Q · Substantial damageNTSB FTW93LA174Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Stuttgart, ARThe pilot's selection of the downwind runway for landing. Factors were the wind conditions and the left brake malfunction for undetermined reasonsJun 2, 1993 · N6695K · Substantial damageNTSB FTW93LA173Accident · 1 fatalLimited investigationFinal reportGrumman G-164A · Ganado, TXThe pilot's failure to maintain clearance with the power linesJun 2, 1993 · N6752Q · DestroyedNTSB FTW93LA167Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Stuttgart, ARPilot's failure to maintain clearance from the electrical wires.May 26, 1993 · N8405K · 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 LAX93LA200Accident · 1 fatalLimited investigationFinal reportGrumman 164A · Biggs, CAFailure of the number 2 engine cylinder. A factor related to the accident was the lack of altitude for the pilot to make a successfull forced landing.May 5, 1993 · N5249 · DestroyedNTSB DEN93LA051Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Truman, ARA power loss for undetermined reasons. A factor was: the lack of suitable terrain for the forced landing.Apr 28, 1993 · N31182 · DestroyedNTSB LAX93LA189Accident · Serious injuriesLimited investigationFinal reportSchweizer G-164B · Sacramento, CAfailure of the pilot in command to maintain adequate airspeed during a low altitude maneuvering turn which resulted in an inadvertent stall.Apr 27, 1993 · N8307K · Substantial damageNTSB MIA93LA104Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Fort Pierce, FLFailure of the no. 2 cylinder in fatigue for undetermined reasons, over unsuitable terrain. The lack of suitale terrain for the forced landing was a factor.Apr 17, 1993 · N7316L · DestroyedNTSB LAX93LA167Accident · Serious injuriesLimited investigationFinal reportAero Commander ST-R · San Jose, CAThe pilot's failure to maintain adequate airspeed resulting in an inadvertent stall/spin.Apr 7, 1993 · N1783S · DestroyedNTSB SEA93LA085Accident · Minor injuriesLimited investigationFinal reportSchweizer G-164A · Walla Walla, WAA loss of engine power for undetermined reasons. The lack of a suitable landing area was a factor.Mar 30, 1993 · N8734H · DestroyedNTSB SEA93LA078Accident · No injuriesLimited investigationFinal reportSchweizer G-164B-600 · Quincy, WAUnsuitable terrain encountered during a forced landing after an engine cylinder assembly had separated. Factors include a snowbank.Mar 18, 1993 · N7503L · Substantial damageNTSB FTW93LA075Accident · No injuriesLimited investigationFinal reportNorth American AT-6D · Fort Worth, TXThe pilot's failure to compensate for the crosswind. A factor was the crosswind.Jan 23, 1993 · N101NZ · Substantial damageNTSB LAX93LA098Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Lost Hills, CAThe pilot's inability to maintain directional control during the landing roll out due to a binding left brake master cylinder.Jan 22, 1993 · N6654 · Substantial damage