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.

NTSB MKC84LA214Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Brule, NEAccording to the pilot, during the swath run the left wing dropped and the acft flew into the corn field. Density altitude was aprx 5,200 ft.Jul 13, 1984 · N6825K · Substantial damageNTSB MKC84LA213Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Gillette, ARDuring swath run engine ran rough and could not sustain acft in flight. The plt made a forced landing in a soft freshly plowed field. The acft nosed over during the landing. Inspection of the acft revealed that one magneto was missing teethfrom the drive gear…Jul 12, 1984 · N9785 · 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 MKC84LA210Accident · No injuriesLimited investigationFinal reportGrumman G164B · Mc Gehee, ARThe acft was engaged in an aerial application flt when the eng lost power. The plt made a forced landing in a bean field. During the landing roll, the acft struck a levee that was obscured by high vegetation & nosed over. A post-accident investigation…Jul 9, 1984 · N8222K · Substantial damageNTSB MKC84LA200Accident · Minor injuriesLimited investigationFinal reportGrumman G164A · Bernie, MODescending out of the procedure turn into a swath run the plt was unable to level the acft in time to avoid flying into the bean field. The acft nosed over on impact and caught fire. Density altitude was about 2,800 ft. acft gross weight was aprx 5,500…Jul 3, 1984 · N4796 · Substantial damageNTSB LAX84LA379Accident · Minor injuriesLimited investigationFinal reportRockwell S-2R · Stanfield, AZThe plt was maneuvering to start another field when the acft's left wing hit the roof of the ground flagging vehicle. The acft then collided with the ground.Jul 2, 1984 · N8430V · DestroyedNTSB DEN84LA206Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Wyndmere, NDSod was worn from the middle of the strip & the strip was wet. Therefore, the plt elected to use the left side of the sod strip for takeoff. During the takeoff roll, the left spray boom dragged into wheat that was growing beside the rwy & the acft veered…Jul 1, 1984 · N4638 · Substantial damageNTSB CHI84LA262Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Mahnomen, MNShortly after taking off, the eng lost power. The plt stated that the eng stopped completely 'like fuel starvation.' He dumped his load of chemicals & made an emergency landing. During the landing, the acft hit a ditch & nosed over. An investigation revealed…Jun 26, 1984 · N6584 · Substantial damageNTSB DEN84LA192Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Murdo, SDThe pilot reported the engine failed while he was in a procedure turn. The pilot made a forced landing in an open field and the acft nosed over. Examination of the engine after the accident revealed the engine 'swallowed an exhaust valve' that caused the…Jun 23, 1984 · N8974H · Substantial damageNTSB MKC84LA180Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Pocahontas, ARAbout 18 inches of one propeller blade separated in flight. The acft began to shake violently and the plt shutdown the engine. The aircraft crashed during the forced lndg. Metallurgical examination revealed features typical of fatique cracking over aprox 2/3…Jun 16, 1984 · N4913X · Substantial damageNTSB FTW84LA274Accident · No injuriesLimited investigationFinal reportAir Tractor AT301 · San Benito, TXAt the beginning of the initial swath run the acft collided with power lines. The power lines remained attached to the acft throughout the uncontrolled descent into a cotton field.Jun 16, 1984 · N8594S · Substantial damageNTSB MKC84LA166Accident · No injuriesLimited investigationFinal reportAero Commander S-2R · Pocahontas, ARThe plt said he was making a cleanup swath & encountered spray from the previous swath run. The spray contains a dye which covered the windshield & obscured the plt's vision. The plt said he pulled up at the end of the field but failed to clear the trees.…Jun 10, 1984 · N8896Q · Substantial damageNTSB FTW84LA262Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Bell City, LAA propeller counterweight bearing shaft failed after takeoff at max gross weight. A vibration occurred & the plt began dumping his load, but he was unable to maintain altitude. The aircraft landed in soft mud and nosed over when it collided with a rice levee…Jun 1, 1984 · N8661H · Substantial damageNTSB MKC84LA152Accident · No injuriesLimited investigationFinal reportAyres S2R · Wilmot, ARPlt stated a loss of pwr occurred shortly after takeoff at an alt of 100 ft AGL. The acft nosed over during the forced landing. Inspection of the engine revealed no pre-impact failue/malfunction.May 28, 1984 · N5675X · Substantial damageNTSB MKC84LA148Accident · Serious injuriesLimited investigationFinal reportGrumman G-164B · Humnoke, ARPlt stated he noticed a vibration in the acft on two flts prior to the accident flt. Plt felt forward pressure on the stick so he attempted to trim the acft. The acft nosed forward colliding with the terrain. Inspection disclosed no preimpact…May 27, 1984 · N6729K · DestroyedNTSB FTW84LA253Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Kinder, LAThe plt reported after the accident that he was dispensing fertilizer and had just flown through a heavy rain shower when the engine began to lose power. A forced landing was made in a flooded rice field and the acft nosed over. The pilot stated that he was…May 26, 1984 · N9693 · Substantial damageNTSB LAX84LA311Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Williams, CAShortly after departing the airfield, the eng lost power & the plt was unable to restart it. He landed in a soft, freshly plowed field. After rolling about 50 ft, the acft nosed over. An exam revealed that the shaft which holds the float assembly in the…May 23, 1984 · N5368 · Substantial damageNTSB SEA84FA110Accident · 1 fatalField investigationFinal reportRockwell S-2R · American Falls, IDThe load/ground crew reported that the plt planned to make 1 more spray run before flying back to the home base. When the acft did not return to the loading area, they assumed he had returned to the base. They drove 20 mi back to the base, but found neither…May 19, 1984 · N4865X · Substantial damageNTSB DEN84LA153Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Wiggins, COWhile en route to a field for aerial application, an oil mist appeared on the windshield of the acft. Shortly after that, the eng progressively lost power & the plt made a forced landing in a pasture. During the landing roll, the acft hit a hole in the ground…May 18, 1984 · N9822 · Substantial damageNTSB CHI84LA188Accident · No injuriesLimited investigationFinal reportAyres S2R · Vincennes, INThe plt had flown 12 similar loads from the 2600 ft rwy that same day. He stated that although there was nothing mechanically wrong with the acft, it would not accelerate properly during the last takeoff roll. After aprx 2000 ft of ground roll, he dumped a…May 13, 1984 · N4006U · 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 FTW84LA225Accident · No injuriesLimited investigationFinal reportGrumman G164A · Fenton, LAThe acft, while maneuvering at low alt, hit the ground and flipped inverted. The plt reported encountering a strong downdraft over a wooded area and in maneuvering to avoid the trees, the acft settled to the ground. The plt reported winds from 225 degrees at…May 7, 1984 · N48377 · DestroyedNTSB FTW84LA194Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Beaumont, TXThe acft stalled during a turn around between swath runs. The pilot stated that he was unable to recover because there was not sufficient alt.Apr 11, 1984 · N9978 · DestroyedNTSB FTW84LA185Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Eunice, LAThe plt reported that the engine lost power on takeoff and return to the rwy was not possible, so he landed on the edge of a pond. A post accident investigaiton revealed a crack in the #7 cyl head between the spark plug holes. The engine had just gotten a…Apr 4, 1984 · N9936 · Substantial damageNTSB LAX84LA230Accident · Minor injuriesLimited investigationFinal reportNorth American T-6G · Ramona, CAThe plt of a North American T-6G, N1364J, had just landed & was taxiing down a parallel taxiway to the apch end of the rwy to takeoff again. At about the same time, a Cessna 150K, N6402G, had been stopped at the intersection of the parallel taxiway & another…Mar 25, 1984 · N1364J · 2 aircraft · Minor damageNTSB FTW84LA145Accident · 1 fatalLimited investigationFinal reportGrumman G-164A · Abbeville, LAThe plt was employed as a professional corporate & charter plt; however, he had not flown agricultural acft in several years. He had receently purchased half interest in the air sevice & was on his 1st refresher flt since then. While the plt was practicing a…Feb 22, 1984 · N9728 · DestroyedNTSB LAX84LA009Accident · No injuriesLimited investigationFinal reportNorth American SNJ-2 · Fresno, CAA flt of 5 North American SNJ-2 acft were on a flt from long beach to Fresno, CA. By prior arrangement, the lead plt in N61563 was to handle the radio communication with ATC facilities. During arrival at Fresno, the local controller inquired whether the group…Oct 9, 1983 · N61563 · 2 aircraft · Substantial damageNTSB FTW83LA446Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Napoleonville, LAThe acft dragged a wing in the sugarcane crop during a start of a swath run. According to the operator the plt was looking at a map as he approached the run. After the wing dragged the acft yawed 90 degrees and settled into the crop. The engine and right main…Sep 29, 1983 · N8890Q · Substantial damageNTSB FTW83LA432Accident · Serious injuriesLimited investigationFinal reportAyres S2R · Bay City, TXDuring a swath run, the acft came to contact with the crop that was being sprayed. This resulted in a loss of control & the acft impacted in the field & nosed over. A small post-crash fire erupted in the eng compartment, but burned itself out shortly…Sep 16, 1983 · N5049X · Substantial damageNTSB ATL83LA347Accident · No injuriesLimited investigationFinal reportSnow 600-S2C · Blackshear, GAThe pilot stated that during a spray run, a vibration was felt, the engine backfired and flames erupted from the right underside of the cowling. Power was lost continuously until over the landing strip at 50 feet AGL when all power was lost. The acft landed…Aug 31, 1983 · N1635S · Substantial damageNTSB FTW83LA404Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Katy, TXThe acft was damaged in a forced landing following engine failure after takeoff. The plt stated that a supercharger bearing failure caused the engine to fail. During the landing in a flooded rice field the landing gear collapsed.Aug 30, 1983 · N3696X · Substantial damageNTSB FTW83LA402Accident · No injuriesLimited investigationFinal reportGrumman G-164B · North Lacassine, LAThe plt reported that during the landing, the left wing struck tall grass at the side of the strip & the acft swerved to the left. He tried to correct the situation by applying right braking action, but his braking was ineffective on wet grass. Subsequently,…Aug 27, 1983 · N6714K · Substantial damageNTSB FTW83LA394Accident · No injuriesLimited investigationFinal reportAir Tractor AT301 · El Campo, TXThe acft collided with a berm dam during takeoff and cartwheeled into a rice field. The acft carried heavier fertilizer on this particular takeoff and with increasing Air temperatures, the plt knew he was not going to make it and dumped the load. The dump…Aug 25, 1983 · N4369S · 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 ATL83LA326Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Hatley, GAThe pilot reported that while spraying a cotton field at aprx 60 feet AGL when the engine made a popping sound and then lost power. The pilot landed in a cotton field where the aircraft rolled over on its back and was destroyed by the post impact fire.…Aug 15, 1983 · N7904 · DestroyedNTSB LAX83LA374Accident · No injuriesLimited investigationFinal reportRockwell S2R · Brentwood, CAThe plt reported that during touchdown, the right brake 'locked up' & the acft began to 'pull to the right'. He reported that the tail was still off the ground. In order to 'keep from going into trees' beside th rwy, he used the left brake. Subsequently, the…Aug 6, 1983 · N5523X · DestroyedNTSB FTW83LA366Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Jennings, LAThe acft nosed over during a forced landing after the engine quit shortly after takeoff. The main landing gear mired in soft plowed earth and the acft nosed over during landing. The takeoff gross weight was 5290 lbs. After the accident the engine tear down…Aug 6, 1983 · N7396 · Substantial damageNTSB ATL83FIG05Accident · Minor injuriesFinal reportRockwell S2R · Massey, MDWhile en route to a customer's field, at aprx 350 ft AGL over a wooded area, the engine lost power. The plt released the load, and subsequently, he landed the acft in the tree tops. During the landing, the acft sheared off a large tree, knocked another tree…Aug 5, 1983 · N8484V · Substantial damageNTSB FTW83LA358Accident · No injuriesLimited investigationFinal reportRockwell S2R · Eudora, ARWhile dispensing fertilizer, oil suddenly covered the windshield & the eng began running at reduced power. The plt made an emergency landing in a water covered rice field where the wheels hit a levee & the acft nosed over. An exam revealed that the #1 exhaust…Aug 1, 1983 · N4903X · Substantial damageNTSB LAX83LA330Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Princeton, CAThe acft made a forced landing and was destroyed by fire after an engine failure during a spraying operation. The plt stated that his flagger saw black smoke during the pull-up. The smoke turned white and was observed coming from the stacks. Inspection of the…Jul 11, 1983 · N9707 · DestroyedNTSB FTW83LA320Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Dayton, TXThe agricultural acft crashed 100 ft short of the rwy after the engine failed. The plt said the engine lost power and RPM so he decided to return to the airstrip after dumping his chemical load. The engine failed completely short of the rwy. The acft hit a…Jul 4, 1983 · N48374 · Substantial damageNTSB FTW83LA275Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Newport, ARAccording to the plt, after he took off, he was unable to maintain alt & began dumping his load of 1500 lbs of chemicals. He turned back toward the airstrip, but was forced to land short of a bean field. After touchdown, the acft rolled into a small drainage…Jun 13, 1983 · N6581 · Substantial damageNTSB DEN83LA136Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Conrad, MTThe acft landed hard and collapsed the right main landing gear during a forced landing after fuel exhaustion. During a landing to reload the pilot had handled the herbicide on-loading and a ground crewman was loading the acft fuel. The supply of 80/87 octane…Jun 9, 1983 · N23069 · Substantial damageNTSB ATL83LA225Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301 · Fort Valley, GAThe eng quit at 200 ft AGL as the plt was returning to a strip. A forced landing was made in a wheat field & the acft rolled through a narrow tree line. The carb float was found cracked & leaking.Jun 9, 1983 · N5071S · Substantial damageNTSB FTW83LA267Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Kinder, LAThe acft collided with a tree and a levee during takeoff. The plt said the wind had shifted before or during takeoff andthe acft at rotation felt as if it stalled. The acft failed to clear a small tree and then was forced into a levee. The acft nosed over…Jun 4, 1983 · N6642K · Substantial damageNTSB NYC83FA130Accident · 1 fatalField investigationFinal reportNorth American AT-6C · Westfield, MAThe airline transport rated plt was on a low level, aerobatic waiver, competency check flt. He was scheduled to demonstrate a loop, an aileron roll, a split-s, an immelmann, a barrel roll & a 4-point hesitation roll. The minimum alt for these maneuvers was to…Jun 3, 1983 · N5286N · DestroyedNTSB ATL83LA205Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Blakely, GAShortly after takeoff, the eng sputtered, lost power & belched black & gray smoke. The plt was unable to get the acft to maintain altidude. Also, he was unable to reach an open field, so he landed on the tops of trees. An investigation revealed that the front…Jun 1, 1983 · N8476K · DestroyedNTSB FTW83LA239Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Hayes, LAThe acft ran off the rt side of the rwy and collided with a dirt embankment drng lndg roll. Brake fluid was found on the l main gear following the accd. Investigation revealed the source of the leak to be a popped o-ring in the brake actuating cylinder.May 17, 1983 · N9805 · Substantial damageNTSB LAX83LA207Accident · Serious injuriesLimited investigationFinal reportAero Commander 600 S-2D · Gilroy, CAPrior to takeoff, the acft was fully fueled with 100 gal of aviation gasoline & was loaded with 300 gal of non-toxic fungicidal mix. The plt took off, flew aprx 5 mi to a field, and after circling over the field, made 2 swath runs. During a procedure turn…May 1, 1983 · N1785S · DestroyedNTSB FTW83LA209Accident · No injuriesLimited investigationFinal reportAero Commander S-2R · Cheneyville, LAAccording to the operator, the brakes failed during landing causing the acft to ground loop off of the rwy. He also stated that postcrash investigation revealed a broken brake line on the right brake which he suspects was an act of sabotage by an unknown…Apr 19, 1983 · N3644X · Substantial damage