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NTSB investigations: Pratt & Whitney R1340 series, WA

59 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

19672026

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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 c.\"eventStateOrRegion\" = 'WA' 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 WPR15LA186Accident · Serious injuriesLimited investigationFinal reportRockwell International S 2R · Washtucna, WAThe pilot's failure to maintain directional control while landing with a quartering tailwind.Jun 16, 2015 · N8420V · Substantial damageNTSB 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 WPR12LA356Accident · Minor injuriesLimited investigationFinal reportRockwell S2R · Royal City, WAThe loss of engine power due to the separation of the No. 2 cylinder exhaust rocker boss housing, which prevented the exhaust valve from opening.Aug 14, 2012 · N8468V · Substantial damageNTSB WPR12CA229Accident · No injuriesData collectionFinal reportRockwell International S-2R · Royal City, WAThe pilot’s failure to maintain adequate clearance from an object during an aerial application, which resulted in damage to the landing gear and led to the airplane ground looping during the subsequent landing.May 24, 2012 · N8468V · Substantial damageNTSB WPR12CA026Accident · Serious injuriesData collectionFinal reportAyres S2R-600 · Kahlotus, WAThe pilot’s failure to maintain clearance from the ground due to his distraction with programming a global positioning system receiver.Nov 2, 2011 · N1206S · Substantial damageNTSB WPR11CA261Accident · Minor injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Pullman, WAThe pilot's failure to maintain clearance from power lines while maneuvering.Jun 15, 2011 · N8376K · Substantial damageNTSB WPR11CA252Accident · No injuriesData collectionFinal reportAir Tractor AT-502B · Odessa, WAThe pilot's failure to maintain clearance from the other aircraft.Jun 7, 2011 · N6072X · 2 aircraft · Minor damageNTSB WPR11CA229Accident · No injuriesData collectionFinal reportRockwell International S-2R · Kahlotus, WAThe pilot's failure to maintain directional control during takeoff.May 18, 2011 · N4996X · Substantial damageNTSB WPR10LA365Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Prescott, WAThe airplane’s inability to maintain a positive rate of climb after takeoff for undetermined reasons. Contributing to the accident was the pilot’s delayed reaction to initiate an emergency release of the spray mixture.Jul 21, 2010 · N7502A · Substantial damageNTSB WPR10CA332Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · Garfield, WAA loss of engine power due to fuel exhaustion.Jul 6, 2010 · N8878S · Substantial damageNTSB SEA06CA145Accident · Minor injuriesData collectionFinal reportGrumman-Schweizer G-164B · Lamont, WAThe pilot's failure to maintain terrain clearance while maneuvering.Jul 23, 2006 · N8376K · Substantial damageNTSB SEA05LA192Accident · No injuriesLimited investigationFinal reportNorth American AT-6D · Chehalis, WAThe pilot's failure to follow the checklist to switch to the fullest fuel tank prior to departure which resulted in fuel starvation and a loss of engine power during the initial takeoff climb. Subsequently, the aircraft landed hard damaging the landing gear…Sep 9, 2005 · N3617F · Substantial damageNTSB SEA04CA132Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · Waitsburg, WAThe pilot's failure to maintain aircraft control and his inadequate compensation for the wind conditions during the landing. Gusts and high vegetation were factors.Jul 12, 2004 · N23811 · Substantial damageNTSB SEA04CA059Accident · No injuriesData collectionFinal reportRockwell S-2R · Mattawa, WACompensation for wind conditions not maintained. Factors include a tailwind and a rock pile adjacent to the runway.Mar 26, 2004 · N8420V · Substantial damageNTSB SEA03LA101Accident · No injuriesLimited investigationFinal reportRockwell International S-2R · Royal City, WAThe pilot's failure to maintain clearance from a 20 foot high post while applying chemicals to an agricultural field, which resulted in impact damage to the right main landing gear, and ultimately to a collapse of the subject gear during the subsequent…Jun 12, 2003 · N8468V · Substantial damageNTSB SEA02LA166Accident · No injuriesLimited investigationFinal reportAero Commander S2R Thrush · Connell, WAThe pilot's failure to adequately compensate for wind conditions and his failure to maintain directional control. Factors include rough uneven terrain.Aug 21, 2002 · N8870Q · Substantial damageNTSB SEA01LA146Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Latah, WAthe failure of a cylinder head exhaust rocker shaft boss while the aircraft was performing aerial application. Factors include soft terrain and a drop-off in the field where the emergency landing took place.Aug 4, 2001 · N4237X · Substantial damageNTSB SEA01LA055Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Waitsburg, WAThe pilot's failure to maintain clearance from the power lines during a pull-up, resulting in an in-flight collision with the lines, loss of control and subsequent in-flight collision with terrain. Contributing factors were the power lines and the pilot's…Feb 28, 2001 · N48651 · DestroyedNTSB SEA00LA082Accident · No injuriesLimited investigationFinal reportGulfstream-Schweizer G-164B · Ephrata, WALoss of engine power due to failure of the number three cylinder exhaust valve push rod. Soft terrain encountered during the landing roll-out was a factor.May 4, 2000 · N8130K · Substantial damageNTSB SEA00LA059Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Odessa, WADisintegration of a lining of the right brake and subsequent lodging of brake lining debris between the brake housing and brake disc, resulting in seizure of the right brake. A factor was that directional control was not possible.Mar 31, 2000 · N3662X · Substantial damageNTSB SEA99LA074Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Prescott, WAThe pilot-in-command's failure to maintain directional control during the takeoff roll and overloading of the right landing gear strut. Contributing factors were the soft takeoff surface, confined (narrow) takeoff surface, and high vegetation.May 27, 1999 · N9970 · Substantial damageNTSB SEA98FA164Accident · 2 fatalField investigationFinal reportNorth American SNJ-5C · Winlock, WAThe pilot's failure to maintain adequate altitude during attempted low-level aerobatics.Aug 14, 1998 · N766CA · DestroyedNTSB SEA98LA125Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Pasco, WASeparation of the throttle linkage which resulted in the loss of power. Factors include worn throttle linkage parts and the furrows in the plowed field which was the available field for the forced landing.Jul 9, 1998 · N4996X · Substantial damageNTSB SEA98LA106Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Oakdale, WAA fatigue failure of the number three cylinder exhaust rocker box assembly, compromising the ability of the exhaust valve to operate. Factors include a ditch at the end of the runway.Jun 27, 1998 · N7502C · Substantial damageNTSB SEA97LA099Accident · 1 fatalLimited investigationFinal reportGrumman G-164A · Rosalia, WAThe pilot-in-command's failure to maintain clearance with terrain. Factors contributing to the accident were, hilly terrain conditions and impairment due to recent use of marihuana.May 6, 1997 · N7926 · DestroyedNTSB SEA96LA200Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Waitsburg, WAthe pilot's inadequate compensation for wind conditions and failure to maintain control of the airplane after encountering a whirlwind during the landing.Aug 22, 1996 · N7501Q · Substantial damageNTSB SEA95LA143Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Odessa, WALoss of engine power due to a cracked cylinder.Jul 6, 1995 · N3662X · 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 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 SEA94LA116Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Dayton, WATotal failure of the connecting rod.May 7, 1994 · N5646X · 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 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 SEA92LA125Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Coulee City, WAA loss of engine power for undetermined reasons. Factors include soft terrain.Jun 11, 1992 · N8938H · Substantial damageNTSB SEA92LA091Accident · No injuriesLimited investigationFinal reportRockwell S2R · St. John, WAThe separation of the number 1 cylinder and remedial action by the PIC not possible. A factor contributing to the accident was: rough/uneven terrain.May 5, 1992 · N8803Q · Substantial damageNTSB SEA91LA136Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Wilson Creek, WAThe loss of engine power in flight due to improper overhaul of the carburetor float assembly fulcrum screw, shutting off fuel flow to the engine.May 27, 1991 · N8407K · Substantial damageNTSB SEA90LA140Accident · No injuriesLimited investigationFinal reportRockwell S2R · Royal City, WAThe pilot's failure to ensure an adequate supply of fuel, which resulted in fuel exhaustion.Jul 15, 1990 · N8468V · Substantial damageNTSB SEA90LA103Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Tekoa, WAFailure of the pilot to maintain clearance between the airplane and tall grass adjacent to the gravel strip.Jun 21, 1990 · N29SK · DestroyedNTSB SEA89LA121Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Colfax, WAImproper installation of the cylinder assembly. The terrain was not suitable for a successful forced landing.Jun 24, 1989 · N8974H · Substantial damageNTSB SEA88LA135Accident · No injuriesLimited investigationFinal reportSchweizer G164A · Colfax, WAOn departure with a load of chemical, ag plt attempted to outclimb rising terrain ahead. The aircraft collided with terrain in a stall/mush.Jul 21, 1988 · N8974H · Substantial damageNTSB SEA88LA090Accident · No injuriesLimited investigationFinal reportAyres S2R Thrush · Lind, WADuring an aerial application maneuver, a total loss of power occurred due to the number nine cylinder failing. A restart was attempted, but was unsuccessful. The pilot made a forced landing onto a very soft sandy field, where the aircraft nosed over inverted…May 10, 1988 · N5660X · Substantial damageNTSB SEA87LA151Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Plymouth, WADrg a swath run, a total loss of power occurred when the eng's #9 cylinder failed. The plt made a forced lndg in a soft potato field, but the acft nosed over after it slowed to about 20 KTS.Jul 31, 1987 · N4229X · Substantial damageNTSB SEA87LA103Accident · No injuriesLimited investigationFinal reportAyres S2R · Walla Walla, WADuring takeoff run the right main gear collapsed. The right wing dropped and the aircraft spun to the right. The plt discovered that the right main gear failed at the weld. The pilot, who is also an a & p mechanic, stated that this was an original weld from…May 29, 1987 · N3693X · Substantial damageNTSB SEA86LA081Accident · No injuriesLimited investigationFinal reportAir Tractor 301 · Prescott, WAThe brake locking system engaged in flight causing the right brake to lock. The aircraft nosed over on landing where a small fire erupted from fuel spillage onto the hot engine.Mar 21, 1986 · N5097S · Substantial damageNTSB SEA82DA162Accident · No injuriesFinal reportNorth American AT-6C · Bellingham, WAWhile the student pilot was on a cross-country flight, he landed at Bellingham, WA with a 4 knot crosswind. During the landing sequence, the aircraft touched down hard and the pilot lost directional control. He reported that the left gear failed when the…Aug 18, 1982 · N97TR · Substantial damageNTSB SEA82DA083Accident · Minor injuriesFinal reportGrumman G-164A · Dayton, WAThe pilot had just returned to the area after picking up a load of di-syston. Another ag aircraft had been spraying in an adjacent field. The pilot circled and looked for the other aircraft, but did not see it. He stated that he checked the smoke to determine…Jun 9, 1982 · N7365 · DestroyedNTSB SEA82DA045Accident · No injuriesFinal reportRockwell Intl. S-2R · Eureka, WAAfter spraying most of his load, the pilot made a dry pass and dropped a smoke flare. The flare was dropped to check the drift of the air relative to a susceptible crop east of the field being sprayed. After dropping the flare, the pilot made a 180 degree…Apr 5, 1982 · N8471V · Substantial damageNTSB SEA81DYP19Accident · No injuriesClosedAir Tractor AT-301 · Prescott, WAMay 28, 1981 · N8827S · Substantial damageNTSB SEA80FYP09Accident · No injuriesClosedSnow 600S2C · Washtucna, WAJan 18, 1980 · N1626S · Substantial damageNTSB SEA76DYG02Accident · No injuriesClosedSnow S2C · Oakesdale, WAJul 8, 1975 · N16691 · Substantial damage