NTSB investigations: Pratt & Whitney R1340 series

13 cases on aircraft whose registry engine model is Pratt & Whitney R1340 series, where the defining event was Powerplant sys/comp malf/fail. 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: 13 cases
20082
20095
20121
20151
20161
20171
20191
20221

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\" = '340'))
  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 ERA22LA297Accident · Serious injuriesClass 3 · LimitedFinal reportGrumman G-164A · Hopewell Township, NJA partial loss of engine power while maneuvering at low altitude due to a failure of the airplane’s supercharger.Jul 2, 2022 · N8923H · Substantial damageNTSB WPR19LA137Accident · No injuriesClass 3 · LimitedFinal reportGrumman G164 · Sutter, CAA loss of engine power due to the in-flight separation of the fuel control unit interconnect rod for reasons that could not be determined due to lack of available evidence.May 5, 2019 · N3630D · Substantial damageNTSB WPR17LA174Accident · No injuriesLimited investigationFinal reportRockwell International S 2R · Brawley, CAThe partial loss of engine power due to the overstress separation of three supercharger drive gear teeth.Aug 1, 2017 · N4913X · Substantial damageNTSB ERA16LA319Accident · Minor injuriesClass 3 · LimitedFinal reportGrumman G164 · Chestertown, MDLoss of engine power due to a failure of the No. 3 cylinder head, which resulted in a forced landing and collision with ground equipment.Sep 18, 2016 · N75EP · Substantial damageNTSB CEN15LA175Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G 164A · New Roads, LAThe loss of engine power due to three stuck exhaust valves.Mar 17, 2015 · N9755 · Substantial damageNTSB CEN12LA589Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301 · Ralls, TXThe total loss of engine power due to a fatigue failure of the rocker arm journal casting of the rocker arm cap.Aug 29, 2012 · N23960 · Substantial damageNTSB CEN09LA574Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Kimball, NEA loss of engine power due to improper installation of an oil line fitting resulting in oil depletion.Sep 8, 2009 · N6761Q · Substantial damageNTSB CEN09LA602Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301A · New Miner, WIA total loss of engine power due to the fatigue failure of the engine torsion shaft. Contributing to the accident was the chrome plating of the shaft by an undetermined maintenance/overhaul facility.Aug 22, 2009 · N3651R · Substantial damageNTSB ANC09LA065Accident · No injuriesLimited investigationFinal reportNoorduyn UC-64A · Akiachak, AKThe loss of engine power due to the failure of a crankshaft component, resulting in an off-airport landing.Jul 11, 2009 · N225BL · Substantial damageNTSB CEN09CA283Accident · No injuriesData collectionFinal reportGulfstream-Schweizer A/C Gulfstream · Iowa, LAA partial loss of engine power due to the Number 8 cylinder head cracking and separating from the barrel.May 7, 2009 · N8080K · DestroyedNTSB WPR09LA085Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301 · Beaver, UTA loss of engine power while maneuvering due to a sheared propeller blade's pitch change link. Contributing to the accident was lack of suitable terrain for the forced landing.Jan 15, 2009 · N3170C · Substantial damageNTSB ERA09CA054Accident · No injuriesData collectionFinal reportSnow 600 · Nashville, TNThe failure of the propeller shaft seal in flight. Contributing to the accident was the lack of suitable terrain for a forced landing.Nov 14, 2008 · N1691S · Substantial damageNTSB DEN08CA135Accident · No injuriesData collectionFinal reportGrumman G-164A · Walsh, COThe total failure of a cylinder head assembly. Contributing to the accident was the lack of suitable terrain for a forced landing.Aug 6, 2008 · N7487 · Substantial damage