NTSB investigations: Pratt & Whitney R1340 series, IA

25 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

19722026
NTSB investigations: Pratt & Whitney R1340 series, IA per year, 1972–2026: 25 cases
19721
19981
19991
20011
20021
20031
20051
20072
20084
20093
20101
20111
20131
20182
20202
20212

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.\"eventStateOrRegion\" = 'IA' AND c.\"eventCountry\" = 'USA'
    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 CEN21LA393Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-401B · Storm Lake, IAThe pilot’s failure to maintain adequate airspeed during a landing approach with a tailwind that resulted in a landing overrun and impact with terrain.Sep 1, 2021 · N5081W · Substantial damageNTSB CEN21LA319Accident · No injuriesClass 3 · LimitedFinal reportAir Tractor AT-401 · Carroll, IAThe wear-related failure of the airframe fuel boost pump, which resulted in fuel starvation and a loss of engine power.Jul 13, 2021 · N7315P · Substantial damageNTSB CEN20LA294Accident · No injuriesClass 3 · LimitedFinal reportRockwell S2R · Harlan, IAThe fatigue fracture of the upper rudder hinge that resulted in a partial separation of the rudder from the airplane during a spray pass.Jul 20, 2020 · N1662S · Substantial damageNTSB CEN20LA276Accident · No injuriesClass 3 · LimitedFinal reportRockwell S2R R1340 · Keokuk, IAThe improper installation of a fuel vent line during maintenance, which resulted in fuel starvation and a total loss of engine power.Jul 12, 2020 · N3104S · Substantial damageNTSB CEN18LA288Accident · No injuriesLimited investigationFinal reportAir Tractor AT 301 · Milford, IAThe pilot's loss of airplane control during takeoff for reasons that could not be determined because no anomalies consistent with a flight control system malfunction were observed.Jul 22, 2018 · N3169H · Substantial damageNTSB CEN18LA278Accident · No injuriesClass 3 · LimitedFinal reportAero Commander S2R · Vinton, IALoss of throttle control input due to a failure in the throttle control system. Contributing to the accident was the inadequate inspection and reinstallation of worn parts by maintenance personnel.Jul 17, 2018 · N5553X · Substantial damageNTSB CEN13LA533Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Atlantic, IAThe pilot’s delay in releasing product to reduce the airplane’s weight and improve its climb performance, which was reduced because of the high density altitude.Sep 6, 2013 · N7843 · DestroyedNTSB CEN11LA543Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Washington, IAThe loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.Aug 3, 2011 · N1735S · Substantial damageNTSB CEN10CA402Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Independence, IAThe pilot's failure to pay attention to the power lines and his subsequent failure to maintain clearance from the corn field during the aerial application flight.Jul 13, 2010 · N8260K · Substantial damageNTSB CEN09CA516Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Harlan, IAThe pilot's failure to perform accurate weight and balance calculations which resulted in exceeding the maximum takeoff weight and the airplane's climb capability.Aug 10, 2009 · N4598 · Substantial damageNTSB CEN09LA503Accident · No injuriesLimited investigationFinal reportAir Tractor AT401 · Waterloo, IAA loss of engine power for undetermined reasons.Aug 4, 2009 · N60747 · Substantial damageNTSB CEN09LA451Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Beaman, IAThe loss of engine power during initial climb for undetermined reasons.Jul 10, 2009 · N6683K · Substantial damageNTSB CHI08CA251Accident · Minor injuriesData collectionFinal reportAir Tractor AT-301B · Monticello, IAPoor preflight planning in that the pilot failed to assure an adequate fuel supply was on board for the flight which resulted in fuel exhaustion. Factors associated with the accident were the low altitude of the airplane when the loss of power occurred and…Aug 13, 2008 · N3161D · Substantial damageNTSB CHI08CA213Accident · No injuriesData collectionFinal reportAir Tractor AT-401 · Ida Grove, IAA failure of the turbocharger blower which resulted in the partial loss of power. Factors associated with the accident were the low altitude of the airplane and the embankment.Aug 12, 2008 · N45029 · Substantial damageNTSB CHI08CA242Accident · No injuriesData collectionFinal reportSchweizer G-164A · Jefferson, IAThe loss of engine power for an undetermined reason and the unsuitable terrain encountered during the forced landing. The corn crop was a factor.Aug 8, 2008 · N73PB · Substantial damageNTSB CHI08CA220Accident · Minor injuriesData collectionFinal reportAir Tractor AT-401 · Lake View, IAThe pilot not obtaining/maintaining altitude/clearance from the power line while performing an aerial application maneuver.Jul 26, 2008 · N9193F · Substantial damageNTSB CHI07CA250Accident · Minor injuriesData collectionFinal reportGrumman G-164A · Vinton, IAThe pilot failed to maintain clearance from the power line while maneuvering during an aerial application flight. A factor was the power line.Aug 5, 2007 · N48558 · DestroyedNTSB CHI07CA220Accident · Minor injuriesData collectionFinal reportSchweizer G-164B · West Liberty, IAThe pilot's inadvertent encounter with birds immediately after takeoff and the resulting loss of engine power. Contributing factors were the fence and ditch encountered during the overrun.Jul 20, 2007 · N8490K · Substantial damageNTSB CHI05LA229Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Marshalltown, IAThe loss of engine power for undetermined reasons during initial climb and the unsuitable landing area encountered by the pilot during a forced landing.Aug 12, 2005 · N9632 · Substantial damageNTSB CHI03LA261Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-301 · Aplington, IAThe pilot not maintaining proper altitude/clearance from the wire during the aerial application flight. The factor to the accident was the power line.Aug 14, 2003 · N4339S · Substantial damageNTSB CHI02LA095Accident · Serious injuriesLimited investigationFinal reportSchweizer G-164A · Cascade, IAThe pilot's inadequate preflight planning/preparation and his failure to maintain clearance with the wire. A factor associated with the accident was the wire that the airplane contacted.Mar 20, 2002 · N9763 · Substantial damageNTSB CHI01LA300Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Atlantic, IAThe loss of engine power for undetermined reasons during the takeoff and initial climb, and the unsuitable terrain encountered during the forced landing. Factors relating to this accident were the corn crop and the low altitude.Sep 3, 2001 · N6598K · DestroyedNTSB CHI99LA274Accident · No injuriesLimited investigationFinal reportNorth American AT-6G · Harlan, IAthe failure of the pilot to maintain directional control of the aircraft during landing. Factors to the accident were the crosswind, the failure of the pilot to maintain compensation for the crosswind condition on approach, and the inadvertent ground loop…Aug 1, 1999 · N98FP · Substantial damageNTSB CHI98LA250Accident · Minor injuriesLimited investigationFinal reportCanadian Car & Foundry Harvard MK IV · Dyersville, IAthe pilot in command's not maintaining control of the airplane and his inadvertently allowing the airplane to enter a stall. A factor was the undetermined loss of engine power.Jul 14, 1998 · N5101W · Substantial damageNTSB MKC73FCD04Accident · Serious injuriesClosedGrumman G164 · Northwood, IAJul 15, 1972 · N7228 · Destroyed