NTSB investigations: Pratt & Whitney R1340 series, 2014

16 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
NTSB investigations: Pratt & Whitney R1340 series, 2014 per year, 1964–2026: 1,656 cases
196415
196517
196616
196724
196810
196919
197016
197120
197220
197333
197432
197544
197649
197744
197850
197950
198042
198152
198242
198335
198442
198536
198637
198734
198842
198936
199034
199130
199228
199329
199440
199535
199631
199723
199831
199930
200026
200130
200230
200322
200427
200520
200617
200724
200833
200925
201024
201129
201216
201314
201416
201513
201619
201711
201812
201914
20206
202111
202210
202314
202412
20259
20264

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 year(c.\"eventDate\") = 2014
    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 WPR15LA023Accident · No injuriesLimited investigationFinal reportAir Tractor AT 301 · Basin City, WAMaintenance personnel’s and the airplane owner’s failure to inspect the engine for cracks in the cylinders as required by an airworthiness directive, which resulted in the loss of engine power during low-altitude maneuvering flight.Oct 27, 2014 · N8878S · Substantial damageNTSB ERA15LA030Accident · No injuriesLimited investigationFinal reportNorth American T 6G · Naples, FLThe total loss of engine power during the initial climb due to fuel starvation for reasons that could not be determined because postaccident examinations of the airframe and engine fuel system components revealed no evidence of a mechanical malfunction or…Oct 23, 2014 · N22NA · Substantial damageNTSB CEN14LA450Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Natchez, LAThe loss of power due to the failure of the No. 2 exhaust valve and rocker boss during takeoff.Aug 24, 2014 · N91968 · DestroyedNTSB CEN14LA439Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Wray, COA loss of the No. 1 cylinder’s compression due to a stuck exhaust valve caused by a lack of sufficient valve clearance, which resulted in a loss of engine power and a forced landing. Contributing to the loss of engine power were the worn intake and exhaust…Aug 19, 2014 · N4542W · Substantial damageNTSB CEN14CA442Accident · No injuriesData collectionFinal reportRockwell International S 2R · Kerkhoven, MNThe pilot failure to see and avoid the guide wire during the aerial application flight.Aug 19, 2014 · N9646A · 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 WPR14LA322Accident · 1 fatalLimited investigationFinal reportSchweizer G 164B · Tulelake, CAThe pilot's failure to maintain clearance from power lines while maneuvering during low-altitude operations.Aug 1, 2014 · N3627R · DestroyedNTSB CEN14LA301Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Lake City, ARThe partial loss of engine power for reasons that could not be determined based on the available evidence.Jun 18, 2014 · N993QC · Substantial damageNTSB CEN14LA287Accident · No injuriesLimited investigationFinal reportAir Tractor AT 301 · Pearsall, TXThe failure of the No. 1 cylinder rod at the link pin. Contributing to the accident was oil starvation to the rod bearing due to the improper flushing of the oil cooler, which allowed metal and other debris in the oil to clog the drain and the led to the…Jun 12, 2014 · N8593S · Substantial damageNTSB CEN14LA284Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Winner, SDThe pilot's improper decision to attempt a takeoff with a tailwind and his failure to achieve the proper airspeed for liftoff, which resulted in the airplane exceeding its critical angle of attack and entering an aerodynamic stall shortly after liftoff.Jun 11, 2014 · N8564S · Substantial damageNTSB ANC14LA035Accident · No injuriesLimited investigationFinal reportDehavilland DHC-3T · Homer, AKThe flutter failure of the right elevator servo tab due to the improper fabrication of the servo tab and maintenance personnel’s subsequent failure to detect anomalies with the servo tab.May 30, 2014 · N3125N · Substantial damageNTSB WPR14LA198Accident · No injuriesLimited investigationFinal reportRockwell International S 2R · Medicine Lake, MTThe pilot’s failure to maintain airplane control and sufficient altitude to clear terrain during a low-altitude maneuver.May 21, 2014 · N702CB · Substantial damageNTSB CEN14CA246Accident · No injuriesData collectionFinal reportNorth American SNJ 6 · Santa Fe, NMThe pilot's loss of directional control during landing and subsequent go around attempt.May 18, 2014 · N5485V · Substantial damageNTSB WPR14LA201Accident · No injuriesLimited investigationFinal reportSchweizer G 164B · Biggs, CAThe assembler’s improper fabrication of a fuel line (hose) and the subsequent failure to verify that it was not occluded, which resulted in fuel starvation and a total loss of engine power during takeoff.May 13, 2014 · N3633C · Substantial damageNTSB CEN14LA229Accident · No injuriesLimited investigationFinal reportAir Tractor AT 301 · Hessmer, LAA partial loss of engine power for reasons that could not be determined because a full examination of the engine could not be performed.May 5, 2014 · N7309Z · Substantial damage