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 MIA98IA001Incident · No injuriesIncident investigationFinal reportGrumman G-73 · Fort Lauderdale, FLthe partial failure of a component of the hydraulic system resulting in the collapse of the nose landing gear during the landing roll.NTSB ATL97FA134Accident · 2 fatalField investigationFinal reportNorth American T-6-SNJ5 · Camden, SCThe pilot's failure to take remedial action after a loss of engine power for undetermined reasons, leading to a spin. Factors were the pilot's use of unapproved medication, and the FAA's inadequate certification and standards for airman.NTSB FTW97LA336Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Muleshoe, TXfailure of the pilot to see the standpipe in time to avoid an accident (inadequate visual lookout), and his failure to maintain clearance with electrical wires, while maneuvering during an aerial application flight.NTSB ATL97LA127Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Clewiston, FLThe crack in the #8 cylinder head which led to the loss of power. A factor was the soft terrain.NTSB FTW97LA322Accident · Serious injuriesLimited investigationFinal reportRockwell S-2R · Columbus, NMa loss of engine power due to failure of an exhaust side rocker box and valve mechanism, and pilot incapacitation due to loss of consciousness after being struck in the head by parts separating from the engine.NTSB CHI97LA263Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Burlington, WIthe deer which contacted the airplane.NTSB MIA97LA210Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Woodeberry, TNin-flight collision with a fence during takeoff. Factors in this accident were the pilot's inadequate pre-flight by not calculating the total weight of the airplane, and high temperatures.NTSB MIA97LA208Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Altha, FLthe pilot's impairment of judgment and performance due to alcohol which led to his failure to maintain control of the airplane.NTSB CHI97LA204Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Donnelly, MNundetermined event resulting in the broken connecting rod and cylinder.NTSB FTW97LA242Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Edna, TXfailure of the pilot to maintain clearance from a guy wire, during a swath run.NTSB 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.NTSB ATL97LA087Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301A · Labelle, FLfailure of the pilot to maintain adequate airspeed during a turn-around maneuver, which resulted in an aerodynamic stall/mush and collision with the terrain.NTSB FTW97FA229Accident · 1 fatalField investigationFinal reportAir Tractor AT-301 · Las Animas, COin-flight collision with terrain, while maneuvering, for undetermined reason(s).NTSB FTW97LA228Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Pond Creek, OKloss of engine power for undetermined reason(s). A factor relating to the accident was: the lack of suitable terrain for a forced landing.NTSB LAX97LA212Accident · Serious injuriesLimited investigationFinal reportSchweizer G-164B · Rio Linda, CAthe pilot's inadequate preflight planning/preparation by failing to ensure that sufficient airspeed would be obtained and/or maintained to remain clear of obstacles at the departure end of the runway. The obstacles (power lines & poles) were a related factor.NTSB CHI97LA126Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Prairie View, KSan undetermined event, which resulted in loss of engine power. Factors relating to the accident were: an automobile, which prevented the pilot from landing on a road; and a dirt bank (terrace) in the emergency landing area.NTSB 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.NTSB CHI97LA106Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Highmore, SDa premature lift-off of the airplane by the pilot in command.NTSB FTW97LA136Accident · 1 fatalLimited investigationFinal reportGrumman G-164A · Swifton, ARthe pilot's improper in-flight planning/decision and failure to maintain positive control of the airplane, while performing an aerobatic maneuver.NTSB FTW97LA137Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Dilley, TXfailure of the pilot to maintain adequate airspeed, while maneuvering over high transmission line(s), which resulted in a stall/mush and collision with the terrain. The unfavorable weather condition (with turbulence) and the obstruction (high transmission…NTSB LAX97LA121Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Winters, CAthe failure of the engine cylinder head assembly due to operational fatigue.NTSB LAX97LA099Accident · No injuriesLimited investigationFinal reportAyres S2R-T65 · Firebaugh, CAfailure of the pilot to compensate for crosswind conditions and to maintain proper runway alignment. Factors relating to the accident were: the crosswind, narrow runway condition, and the soft terrain and ditch beside the runway.NTSB LAX97LA045Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Calexico, CAthe pilot's premature lift-off from the runway and his failure to attain adequate airspeed.NTSB FTW96LA388Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Ferriday, LAThe partial loss of engine power due to a cracked cylinder head. Factors were the oil leak which restricted the pilot's visual lookout and the lack of suitable terrain for the forced landing.NTSB FTW96LA371Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Meadow, TXThe pilot's failure to maintain clearance from the transmission wire. A factor was the lack of suitable terrain for a forced landing.NTSB FTW96LA374Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Brownfield, TXThe pilot's failure to maintain directional control during landing roll. A factor was the crosswind.NTSB 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.NTSB FTW96LA341Accident · No injuriesLimited investigationFinal reportAyres S-2R · Wharton, TXtotal loss of engine power due to a fractured torque sensor shaft. Factors relating to the accident were: the obstructions (fence and trees) in the emergency landing area.NTSB FTW96LA346Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Hatch, NMa loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for a forced landing.NTSB LAX96LA299Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Caruthers, CAthe loss of engine power due to the failure of a cylinder. The road's soft surface was a factor.NTSB ATL96LA117Accident · No injuriesLimited investigationFinal reportGrumman G164 · Dawson, GAloss of engine power for undetermined reason(s), which resulted in an overrun, an encounter with soft terrain, and a nose over.NTSB ATL96LA116Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Mayersville, MSfailure of the pilot to maintain adequate clearance from an object (vehicle) on the ground.NTSB CHI96LA263Accident · Minor injuriesLimited investigationFinal reportRockwell S-2D · Bancroft, WIthe pilot's inadequate compensation for wind conditions and failure to maintain directional control, which resulted in a ground swerve, encounter with soft/sandy terrain, and a subsequent noseover. Factors relating to the accident were: the pilot's selection…NTSB CHI96LA258Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-301 · Liberal, KSthe pilot did not maintain aircraft control. A factor was a low altitude flight maneuver was performed.NTSB SEA96LA172Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Dubois, IDfailure of the pilot to remain clear of an irrigation spray device, which resulted in inadvertent water ingestion and flameout of the aircraft's turboprop engine. Factors relating to the accident were: the proximity of the irrigation spray device (close to…NTSB CHI96LA265Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Macksville, KSfailure of the pilot to allow the airplane to achieve sufficient airspeed for takeoff, and the resultant loss of aircraft control. Factors relating to the accident were: the rough runway, and the mound of dirt at the end of the runway.NTSB FTW96LA326Accident · No injuriesLimited investigationFinal reportRockwell International S2R · Tahlequah, OKthe pilot's failure to refuel the airplane resulting in fuel exhaustion. A factor was the lack of suitable terrain for the forced landing.NTSB ATL96LA107Accident · Serious injuriesLimited investigationFinal reportGrumman G-164 · Scotia, SCa loss of engine power for undetermined reasons. A factor was the unsuitable terrain for a forced landing.NTSB 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.NTSB CHI96LA217Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Ness City, KSthe failure of a counterweight bolt in the propeller for reasons undetermined. Factors were the wet landing area and the encounter with unsuitable terrain during the forced landing.NTSB FTW96LA275Accident · No injuriesLimited investigationFinal reportRockwell S2R · Las Animas, COinadequate preflight planning/preparation by the pilot. Factors relating to the accident were: the unfavorable wind condition for takeoff, and the terrain condition beyond the end of the runway.NTSB FTW96LA251Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Cash, ARThe partial loss of engine power due to fuel contamination. A factor was the lack of suitable terrain available for the forced landing.NTSB 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.NTSB SEA96LA113Accident · Serious injuriesLimited investigationFinal reportAyres S2R · Aberdeen, IDpilot's improper planning/decision, and subsequent incapacitation, which resulted in a loss of aircraft control and collision with the terrain. Factors relating to the accident were: pilot fatigued from a long-distance drive with minimal rest, physical…NTSB FTW96LA236Accident · Minor injuriesLimited investigationFinal reportRockwell S-2R · Dumas, ARFailure of all personnel concerned to identify the unsafe/hazardous condition, which resulted from a visual restriction, due to trees near the intersection of the road and runway.NTSB LAX96LA213Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Lost Hills, CAthe loss of engine power due to a cylinder failure. A contributing factor was the lack of a suitable field for the forced landing.NTSB CHI96LA167Accident · No injuriesLimited investigationFinal reportAir Tractor AT401 · Letcher, SDthe pilot's inadequate evaluation of the severe weather condition. A factor was the weather conditions.NTSB NYC96LA105Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Vineland, NJfailure of the number 8 cylinder, which resulted in loss of engine power, a forced landing in soft terrain, and subsequent nose over of the airplane.NTSB FTW96LA205Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Iowa, LAthe pilot's selection of an unsuitable area for takeoff. The high vegetation (tall grass) was a related factor.NTSB FTW96FA200Accident · 1 fatalField investigationFinal reportNorth American Harvard MK II · Lafayette, LAfailure of the pilot to maintain adequate airspeed and/or altitude, while performing aerobatic flight.