NTSB investigations: Pratt & Whitney R1340 series
1,656 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, newest first
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'))
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.
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'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB LAX85IA396Incident · No injuriesIncident investigationFinal reportNorth American SNJ-4 · Reno, NVThe pilot experienced a 'severe vibration' and made an emergency landing during a heat race at the national championship air races. Subsequent examination revealed that a propeller blade pitch change bolt, p/n 53546, had failed, allowing one propeller blade…NTSB CHI85LA373Accident · No injuriesLimited investigationFinal reportSchweizer G-164A · Irwin, OHAt an alt of aprx 20 ft AGL after takeoff, the #1 cylinder failed. A straight ahead landing was made in a corn field during which the acft was destroyed. The eng had under gone a major overhaul 197 hrs prior to this accident.NTSB 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.NTSB FTW85LRA04Accident · Minor injuriesFinal reportRockwell S2R-600 · Rosharon, TXThe plt reported the acft contacted the ground after the left boom caught weeds during a spray run.NTSB CHI85LA360Accident · No injuriesLimited investigationFinal reportSchweizer G164A "450" · Constantine, MIThe acft nosed over during a forced landing in a corn fld. The plt stated that at 30 ft AGL during his second swath run the eng backfired and lost pwr. He attempted to dump the load however, the acft continued to loose alt and the forced landing resulted.…NTSB FTW85FA335Accident · 2 fatalField investigationFinal reportNorth American British Harvard Mkii · Ada, OKTwo fully qualified single engine plts were in the acft at the time of the accidnet. The acft was observed making low passes near the airport after takeoff. One plt's mother lived near the accident site. The acft was in a steep banked right turn when the…NTSB LAX85LA374Accident · No injuriesLimited investigationFinal reportAir Tractor AT301 · Williams Afb, AZAfter making his first swath run,during the hours of darkness,the pilot became disorented and flew into an area with tall electrical transmission lines. He descended into trees beneath the lines in his attempt to miss them.NTSB LAX85LA360Accident · Serious injuriesLimited investigationFinal reportSchweizer G-164B · Tolleson, AZAccording to the pilot,the engine lost partial power while in cruise flt. He selected a cotton field in which to make a precautionary lng. The aircraft over shot the intended landing area and impacted a utility pole. The collision ruptured the fuel system and…NTSB MKC85LA184Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT301 · Oakley, KSN8541S collided with a fence and crashed while attempting a forced landing. The plt reports that it took longer than expected to dispense his chemical load and he was critically low on fuel when he departed the working area for the arpt. He got to within 2…NTSB SEA85LYA01Accident · No injuriesFinal reportRockwell S2R · Caldwell, IDAn aero commander S2R had been modified by the installation of an air research TPE-331-43A power plant. During an aerial application flight the pilot heard a loud bang and experienced a loss of power. Investigation revealed the first stage turbine whee, part…NTSB LAX85LA340Accident · No injuriesLimited investigationFinal reportNorth American T-6G · Tucson, AZThe tailwheel equipped acft nosed over after the plt lost iirecitional control during lndg. There were no reports of mechanical difficulties or weather facotrs to be considered in the area of cause. The plts flt experience is unknown since repeated attempts…NTSB FTW85LA294Accident · No injuriesLimited investigationFinal reportNorth American AT-6 · Port Isabel, TXThe acft was substantially damaged when it undershot the runway and cartwheeled during an emergency landing following an engine failure in the traffic pattern. The plt reported that initial examination of the engine revealed that initial examination of the…NTSB MIA85LA222Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Colquitt, GAThe aircraft was substantially damaged and the pilot uninjured when the aircraft flipped upside down in a field during a forced landing in an open field following engine failure. A post accident examination of the engine revealed the number seven cylinder…NTSB DEN85LA195Accident · No injuriesLimited investigationFinal reportSchweizer G-164B-600 · Riverton, WYThe plt was crop spraying a field in a Schweizer ag-cat acft when the left landing wire broke. The plt returned to Riverton, WY. During the landing roll, in attempt to stop the acft as soon as possible, he inadvertently applied the brakes too hard, causing…NTSB CHI85LA283Accident · No injuriesLimited investigationFinal reportAir Tractor AT301 · Roseau, MNThe aircraft had been airborne about 15 min engaged in ag spray operations when the pilot described hearing a loud band. Engine power decreased to idle. Pilot ld in soft soil and nosed over inverted. Exam disclosed #2 piston had failed.NTSB CHI85LA268Accident · Minor injuriesLimited investigationFinal reportNorth American AT-6G · Dixon, ILReportedly, the plt made a touch-&-go landing while following an snj acft. He stated that during the takeoff, the acft had accelerated to 85 mph when he lowered the tail slightly & the acft lifted off normally. He reported that the acft was aprx 4 to 5 ft off…NTSB MKC85LA151Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Paragould, ARThe acft was being used in aerial application of ordram when engine failed. A hard landing resulted during the forced landing in an open fld. Investigation revealed the float needle seat ass'y backed out of the threads in the main body of the carburetor FAR…NTSB DEN85LA177Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Platte, SDWhile the plt was spraying a field, the landing gear of the acft struck the center pivot of an irrigation structure. Later, when the acft was landed, the gear collapsed.NTSB SEA85LA146Accident · No injuriesLimited investigationFinal reportGrumman 164B · Twin Falls, IDA partial loss of power occurred during aerial application due to a crack around one of the cylinders. While the plt was attempting to dump chemicals, the acft settled onto the ground tearing off the rt main gear. The plt then flew on to Twin Falls to land.…NTSB MKC85LA123Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Paragould, ARPilot was seeding rice when the engine failed. Pilot attempted forced landing on gravel road and impacted a utility pole before touchdown. Acft destroyed by impact and post impact fire. The reason for the engine failure could not be determined.NTSB MKC85LA125Accident · No injuriesLimited investigationFinal reportSnow AT301 · Marianna, ARAfter departing the ag strip the plt rptd a vibrating engine which shook violently until finally quitting. The plt responded with an emergency landing attempt to a plowed bean field. The acft impacted the soft terrain at a high rate of speed where the acft…NTSB MKC85LA107Accident · No injuriesLimited investigationFinal reportAyres S2R-600 · Harrisburg, ARPlt reports that the lt wing of N4017N hit a dike in a ricefield while he was making a trim swath. There were no indications of equipment malfunction.NTSB FTW85LRA02Accident · Serious injuriesFinal reportAir Tractor AT301 · Anahuac, TXThe acft collided with the ground after the engine reportedly lost power for an undetermined reason. Due to the low altitude while applying fertilizer the acft had to be landed in the path of flt.NTSB LAX85LA250Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Colusa, CADuring an ag flight, the eng began to severly backfire & lose power. The plt attempted to make a forced ldg on the nearby duster airstrip but had insufficient altitude to be properly aligned with the rwy. The acft overan the edge of the end disclosed that its…NTSB LAX85FA241Accident · 1 fatalField investigationFinal reportNorth American AT6A · Lemoore, CAAfter dropping a parachutist to open an air show the plt's takeoff was delayed by a blown tire on a landing airplane and difficulties with filling his smoke oil tank. After completing about two thirds of his aerobatic routine the plt recovered from a reverse…NTSB SEA85FYM01Accident · Serious injuriesFinal reportAir Tractor AT301 · Weston, ORDuring this aerial application flight the aircraft clipped a tree and then impacted with the ground. The pilot was seriously injured when the stitching on the shoulder harness failed and the pilot was thrown forward.NTSB MIA85IA155Incident · Minor injuriesIncident investigationFinal reportGrumman G-73-T · St. CroixWhile on an FAA observed proving flight, water take off, the left propeller electrical terminal failed. The part then penetrated the left forward passenger window and struck the FAA observer causing minor injury. The plastic part failed in over load due to…NTSB ATL85LKG04Accident · No injuriesFinal reportAero Commander S2R · Leslie, GAThe acft lost power en route to spray crops & crash landed in a wooded area. The acft had flown only 2 miles when the power loss occurred. During the post accident investigation an exam of the powerplant & systems revealed that the supercharger had a loose…NTSB FTW85LA162Accident · No injuriesLimited investigationFinal reportNorth American AT-6G · Frederick, OKThe passenger heard a loud mechanical noise from the tail of the aircraft during rollout from a touch-and-go landing. The pilot was unable to maintain directional control, the aircraft ground looped, the main landing gear collapsed, and the wings were…NTSB MIA85LA117Accident · No injuriesLimited investigationFinal reportNorth American SNJ-5 · Titusville, FLA group of T-6 type acft were taking off in sections of two acft each. Each section of two were making a formation takeoff with a 5 to 6 second interval between sections. N58740 was in the left position of the 2nd section; N9801C was in the left position of…NTSB MKC85LA068Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Bradley, ARThe plt said that after liftoff the acft encountered a gust of wind and the acft swerved off the airstrip into rough terrain.NTSB ATL85FLT04Accident · No injuriesFinal reportGrumman AG-CAT-G-114 · Madisonville, TNThe acft crashed in an open pasture after loss of power following a takeoff from an adjacent pasture. The acft had expereinced a power loss a few minutes earlier which had forced the plt to make an emergengy lndg. After grnd checking the powerplant the plt…NTSB MIA85LA091Accident · No injuriesLimited investigationFinal reportSchweizer G-164A · Panama City, FLPlt was landing on a city street so the acft could be put on display. When the acft overran the end of the street the plt locked the brakes to avoid contacting buildings and vehicles and the acft nosed over.NTSB LAX85FJA01Accident · No injuriesFinal reportEmair MA-1 · Paanilo, HIThe plt initiated his 1st spray pass uphill with about a 5 to 10 kt quartering tail wind. While on the swath run, he noted the airspeed was decaying, so he aborted the pass by turning into the wind. However, this resulted in flying over more rapidly rising…NTSB FTW85LA039Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Mission, TXAfter a loss of oil pressure the acft was landed downwind. During the precautionary landing across plowed furrows, the rt wing caught in the sugar cane crop and the acft turned to the rt, collapsing the left landing gear and damaging the left wing. The plts…NTSB ANC85LA014Accident · No injuriesLimited investigationFinal reportde Havilland Otter DHC-3 · Dan Creek, AKAccording to the plt the acft hit a downdraft, landed hard and struck the wing on the rwy surface. The wind was reported from 360 deg 15 KTS gusting to 20 KTS.NTSB LAX85LA026Accident · No injuriesLimited investigationFinal reportHarvard MK IV/AT-6 · Apple Valley, CAPlt had executed successful crosswind landing and was decelerating on roll-out when a gust of wind caused the acft to swerve into the wind. Directional control could not be regained with rudder so plt elected to attempt go-around. Acft became airborne in…NTSB FTW85LA017Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Seminole, TXThe plt reported that while on a local flt the engine 'blew up' & he made an emergency landing. He stated that the windshield was covered with oil & he could not see to flare the acft & landed hard. Inspection revealed a failure of the #4 rod at the master…NTSB MKC85LA006Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Cotton Plant, ARDuring aerial application flight, the engine master connecting rod failed. Forced landing was performed in a Cotton field. Acft nosed over during landing roll due to terrain conditions. Engine had 176 hours since major ovhl.NTSB LAX85LA004Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Lamont, CAThe plt stated that he had flown earlier on the day of the accident for aprx 30 mins. He stated that he intended to refuel before his next flight, but because the fuel hose would not reach the aircraft, the acft was not refueled. Thepilot did not visually…NTSB MKC84LA269Accident · Minor injuriesLimited investigationFinal reportRockwell S-2R · Weiner, ARThe plt was executing a turn around maneuver to continue spraying when the #2 cyl broke free from the eng & it completely shut down. The acft struck the levee of a bean field & flipped over, coming to rest in an inverted position. Post crash examination…NTSB MKC84LA260Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301 · Dexter, MOThe engine on the ag-plane lost power during takeoff and the plt began dumping his load as he made a forced landing. Thelanding area available was a flooded rice levee. The acft was landed tailwheel first but when the main gear dug in, the acft nose over.…NTSB SEA84LA199Accident · No injuriesLimited investigationFinal reportRockwell Thrush SR2 · Nampa, IDThe acft began to lose power while engaged in aerial application so the plt dumped his load and headed for the airstrip. Enroute the power deteriorated so the plt elected to land. Cutting the mixture gave the engine a surge which caused an overshoot into…NTSB MKC84LA250Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Swifton, ARDuring a swath run the #9 cylinder on the radial engine separated. A forced landing was made during which the acft landed in a levee and nosed over.NTSB ATL84LA256Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Adams, TNAfter completing a spray run the plt climbed to 75 ft AGL to fly aprx 2 miles to the next field. The elevation of the destination field was higher than the last one sprayed; no estimate of elevation change was provided. While attempting to climb over a hill…NTSB MKC84LA231Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Garden City, KSThe plt stated that after the acft was fueled he failed to visually check the fuel tanks and just assumed both tanks were full. He stated the left fuel gage had been inoperative above 1/2 tank of fuel. During a spray run, when the right tank reached 1/4, he…NTSB MKC84LA222Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Stanford, ARWhen the pilot made his first swath run he flew over a set of wires, on the return run he went under the wires. The pilot said he hit his own prop wash and rolled enough for the wing tip to contact the wire.NTSB MKC84LA211Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Roe, ARAs a result of a supercharger failure, a partial power loss was experienced during a swath run. During the landing roll after a forced landing, the acft nosed over & came to rest inverted. An eng teardown revealed that both supercharger bearings had failed…NTSB DEN84LA224Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Richey, MTThe plt had finished spraying & was proceeding to the glendive arpt. He said that eng or prop began a sudden severe vibration which required the eng to be shut down. An emegency landing was made. The plt stated that the left wing impacted a hill which spun…NTSB MKC84LA217Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Osceola, ARThe acft crashed into a levee in a rice field after losing engine power during a spray operation turn-around. The enginedid not quit entirely but lost enough power so that flt was not maintained. An inspection of the engine revealed a broked connecting rod.