NTSB investigations: Pratt & Whitney R1340 series, MS

61 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, MS per year, 1964–2026: 61 cases
19641
19662
19711
19721
19751
19761
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19794
19803
19813
19821
19831
19842
19851
19863
19873
19881
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19912
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19943
19951
19963
19971
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20211

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\" = 'MS' 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 CEN21FA355Accident · 2 fatalClass 3 · FieldFinal reportNorth American T-6G · Starkville, MSThe pilot’s failure to maintain clearance from trees while maneuvering at low altitude.Aug 4, 2021 · N7197C · DestroyedNTSB MIA08LA174Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Clarksdale, MSThe mechanic’s failure to torque check the axle-to-spring gear attachment bolts per the manufacturer's Annual/100-Hour Airframe Inspection Checklist, resulting in fatigue failure of the bolts.Aug 26, 2008 · N3633S · Substantial damageNTSB MIA08CA078Accident · Minor injuriesData collectionFinal reportAir Tractor AT-301 · Columbus, MSThe failure of the pilot to maintain airspeed while maneuvering.Mar 14, 2008 · N7302C · Substantial damageNTSB DFW07LA187Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-402 · Cary, MSThe total loss of engine power due to a power turbine failure. Contributing to the accident were the lack of suitable terrain available to pilot for the forced landing and the low altitude.Aug 20, 2007 · N1027V · Substantial damageNTSB DFW07CA081Accident · No injuriesData collectionFinal reportGulfstream-Schweizer G-164B · Arcola, MSThe pilot's failure to maintain clearance from trees while maneuvering during aerial application.Feb 23, 2007 · N8063K · Substantial damageNTSB ATL01LA100Accident · No injuriesLimited investigationFinal reportRockwell S2R · Bentonia, MSThe loss of engine power due to the loss of throttle cable continunity. The throttle cable linkage was worn beyond servicable limits. A factor was uneven terrain at the emergency landing site.Aug 29, 2001 · N8438V · Substantial damageNTSB ATL01LA099Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Batesville, MSThe loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for an emergency landing.Aug 28, 2001 · N91922 · DestroyedNTSB MIA01LA099Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Poplarville, MSa loss of engine power due to a cracked number 2 cylinder which resulted in a forced landing, subsequent impact with the runway, departure from the runway down an embankment, soft terrain and nose over.Mar 13, 2001 · N5076 · Substantial damageNTSB MIA00LA168Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Monticello, MSThe failure of the pilot to maintain directional control during takeoff into crosswind conditions resulting in the collision with trees. A factor in the accident was the pilot's lack of familiarity with the aircraft.May 22, 2000 · N6744K · Substantial damageNTSB ATL99LA129Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Caledonia, MSThe failure of the fuel control gear train due to oil contamination. A factor was Inadequate maintenance.Sep 13, 1999 · N45205 · Substantial damageNTSB MIA99LA203Accident · No injuriesLimited investigationFinal reportAir Tractor 301 · Drew, MSa loss of engine power due to the failure of cylinder No. 4 boss, which was caused by fatigue cracking, resulting in a forced landing in marshy terrain and subsequent nose over.Jul 23, 1999 · N2368R · Substantial damageNTSB ATL98LA117Accident · No injuriesLimited investigationFinal reportAir Tractor 401 · Holly Bluff, MSThe malfunction of the carburetor which resulted in improper fuel flow to the engine.Aug 22, 1998 · N10103 · Substantial damageNTSB ATL98LA115Accident · No injuriesLimited investigationFinal reportSchweizer G164B · Newton, MSThe erosion of the compressor impeller and the unsecured fuel control unit resulted in the loss of engine power during the initial climb.Aug 16, 1998 · N7502A · Substantial damageNTSB MIA98LA201Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Belzoni, MSThe malfunction in the engine blower section, resulting in oil starvation, the seizure of the engine.Jul 18, 1998 · N8488V · Substantial damageNTSB MIA98LA181Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Rich, MSa loss of engine power for an undetermined reason, resulting in a forced landing and subsequent impact with rough terrain.May 24, 1998 · N1008Y · Substantial damageNTSB MIA97LA190Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Edwards, MSfailure of the distributor drive gear in the right magneto, resulting in loss of engine power and a forced landing. The lack of suitable terrain for a forced landing was a related factor.Jun 20, 1997 · N6816Q · Substantial damageNTSB ATL96LA116Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Mayersville, MSfailure of the pilot to maintain adequate clearance from an object (vehicle) on the ground.Aug 2, 1996 · N7362 · Substantial damageNTSB MIA96LA183Accident · No injuriesLimited investigationFinal reportRockwell S2R · Belzoni, MSfatigue failure of the #5 cylinder skirt, which resulted in debris that caused the oil scavenge pump to fail, oil starvation, cam drive seizure, loss of engine power, and a subsequent forced landing in a field of cotton.Jul 13, 1996 · N3695X · Substantial damageNTSB MIA96LA155Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Wayside, MSFailure of the pilot to maintain the proper descent rate at touchdown resulting in collapse of the right main landing gear.Jun 10, 1996 · N8428V · Substantial damageNTSB MIA95LA192Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Quitman, MSImproper (low) outflow from the fuel control unit, due to improper maintenance, which resulted in a loss of engine power and a forced landing.Aug 5, 1995 · N7502A · Substantial damageNTSB MIA95LA015Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Madison, MSThe pilots improper use of brakes during a precautionary landing.Nov 1, 1994 · N8456V · DestroyedNTSB MIA94LA172Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Rolling Fork, MSThe loss of engine power for undetermined causes. Contributing to the accident was the unsuitable terrain encountered during the forced landing.Jul 3, 1994 · N8820Q · Substantial damageNTSB MIA94LA168Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Walls, MSThe partial loss of engine power for undetermined reasons. The sandy terrain was a factor.Jun 27, 1994 · N45332 · Substantial damageNTSB MIA92LA179Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Satartia, MSFailure of the brake system due to installation of a bogus part by an unknown person. Directional control by the pilot in command was not possible.Sep 10, 1992 · N4333S · Substantial damageNTSB MIA92LA160Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Redwood, MSImproper maintenance of the airplane by an unknown person.Aug 7, 1992 · N3165A · Substantial damageNTSB MIA91LA219Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Sumner, MSFailure of the no. 1 cylinder assembly.Sep 16, 1991 · N1004W · Substantial damageNTSB MIA91LA101Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-401 · Avon, MSLoss of engine power for undetermined reasons during a turn while on an aerial application flight. Contributing to the accident was failure of the left magneto due to failure of a phenolic gear which drives the rotating magnet.Mar 15, 1991 · N73135 · Substantial damageNTSB MIA89LA203Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Schlater, MSInadequate preflight planning/preparation by the pilot which resulted in the selection of the wrong runway. The tailwindand dirt bank were considered to be contributing factors.Jul 19, 1989 · N4579 · Substantial damageNTSB MIA89LA166Accident · Serious injuriesLimited investigationFinal reportAyres S2R · Lambert, MSFailure of the engine impeller. The ditch in the emergency landing area was a related factor.May 28, 1989 · N5543X · DestroyedNTSB MIA89LA157Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Arcola, MSThe circumferential on the number 2 cylinder which resulted in a loss of engine power.May 26, 1989 · N73089 · Substantial damageNTSB MIA88LA258Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301A · Shelby, MSWhile on an aerial application flt during the ground roll to takeoff, the forwardmost of two main gear clamp block bolts of the rt main landing gear failed. The gear trailed aft. The inboard main gear large bolt failed. The acft travelled off the rwy into a…Aug 19, 1988 · N73089 · Substantial damageNTSB MIA87LA209Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301 · Swiftown, MSWhile spraying cotton, severe vibration was felt throughout the acft & the plt elected a forced ldg. During the flare, the throttle was advanced to raise the nose, & the plt discovered the eng had totally failed. The acft flipped inverted on touch down. An…Jul 18, 1987 · N7310N · Substantial damageNTSB MIA87FA160Accident · 1 fatalField investigationFinal reportSchweizer G-164A · Dundee, MSWhile spraying a rice field, the acft was flying across svrl small dirt banks that had been furrowed for water ctl. Drg a swath run, it struck 3 furrowed banks that were close together, flipped over as it crashed, then burned. Witnessesrprtd the eng was…May 19, 1987 · N4654 · DestroyedNTSB MIA87LA142Accident · No injuriesLimited investigationFinal reportAir Tractor AT301 · Dundee, MSThe plt stated that when reversing direction after an aerial application maneuver the eng quit. He then landed the acft in a creek due to insufficient altitude to clear trees that were in the flight path. Upon touchdown the acft nosed over and came to rest…Apr 22, 1987 · N3652B · Substantial damageNTSB MIA87LA012Accident · No injuriesLimited investigationFinal reportAyres SR-2-600 · Glen Allan, MSShortly after takeoff the pilot stated the engine failed and he executed a forced landing. Post accident examination revealed no fuel in the aircraft fuel system.Oct 22, 1986 · N4011S · Substantial damageNTSB MIA86LA190Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Valley Park, MSThe plt stated that a thndrstrm was in the immediate area & he took off with a left quartering headwind. During the take off roll, the wind shifted & a left quartering tailwind blew the acft into a ditch. The plt estimated the winds at 50 to 60 mph.Jun 24, 1986 · N8946Q · Substantial damageNTSB MIA86LA183Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Vaiden, MSThe plt stated that upon landing in a cow pasture he lost directional control of the acft. The acft collided with a vehicle located at the FAR end and off to one side of the pasture. The acft then traveled through a fence and a ditch before coming to rest…Jun 14, 1986 · N23930 · Substantial damageNTSB ATL85LA269Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Tunica, MSThe plt stated that during aerial application maneuver he allowed the airspeed to get too low and the acft settled into a soy bean field. The left wing contacted the crop and the acft cartwheeled.Sep 6, 1985 · N9893 · Substantial damageNTSB ATL84LA220Accident · Minor injuriesLimited investigationFinal reportSnow 600-S2C · Lambert, MSDuring the landing roll the tailwheel reportedly oscillated braking the shock strut lugs allowing the tail of the acft to contact the sod runway. The plt applied hard braking and the acft nosed over. The plt reported nothing was wrong with the tailwheel…Jul 11, 1984 · N64744 · Substantial damageNTSB ATL84LA171Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Rosedale, MSThe plt was transporting the acft to a newly constructed, private ag strip to begin aerial application. During the landing roll, one of the main landing gear rolled into a soft spot & sank into the ground, then the acft nosed over.May 9, 1984 · N6793K · Substantial damageNTSB ATL83FKQ03Accident · No injuriesFinal reportAir Tractor AT-301 · Redwood, MSThe acft made a forced landing in a soybean field after severe vibration developed during a spraying operation. The pilot stated that the powerplant and flt controls were functioning normally at the time of the accident. An on-scene investigation revealed…Aug 25, 1983 · N8511S · Substantial damageNTSB ATL82DA252Accident · No injuriesFinal reportGrumman G-164C · Gunnison, MSThe pilot reported that he smelled something hot while spraying. He checked the instruments and noted that the oil temperature gauge was indicating off the high side of the scale. He started to make a precautionary landing but the engine seized during final…Aug 27, 1982 · N6787K · Substantial damageNTSB ATL81FKQ23Accident · No injuriesClosedAir Tractor AT-301 · Charleston, MSJul 31, 1981 · N4364S · Substantial damageNTSB ATL81FKQ11Accident · 1 fatalClosedAyres S2R · Hollandale, MSMay 28, 1981 · N5053X · DestroyedNTSB ATL81FLT04Accident · Minor injuriesClosedAir Tractor AT-301 · Crenshaw, MSFeb 26, 1981 · N4433S · Substantial damageNTSB ATL81FKQ02Accident · No injuriesClosedAir Tractor AT-301 · Canton, MSOct 21, 1980 · N78MH · Substantial damageNTSB ATL80FKQ22Accident · No injuriesClosedGrumman G-164 · Clarksdale, MSAug 26, 1980 · N48461 · Substantial damageNTSB MIA80FKQ03Accident · Minor injuriesClosedGrumman G-164A · Flora, MSMar 14, 1980 · N48507 · DestroyedNTSB MIA79FKQ28Accident · Minor injuriesClosedAir Tractor AT-301 · Grenada, MSSep 4, 1979 · N8595S · Substantial damageNTSB MIA79FKQ25Accident · No injuriesClosedGrumman G-164A · Sunflower, MSAug 27, 1979 · N48437 · Substantial damage