# NTSB investigations: Pratt & Whitney R1340 series NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. Page 21 of 34 · 1,656 cases ## Cases, newest first - [NTSB MKC84LA214](https://openairdocs.org/ntsb/MKC84LA214.md): Grumman G-164B · Brule, NE · Accident · No injuries · Limited investigation · Final report · Jul 13, 1984 · N6825K · Substantial damage > According 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. - [NTSB MKC84LA213](https://openairdocs.org/ntsb/MKC84LA213.md): Grumman G-164A · Gillette, AR · Accident · No injuries · Limited investigation · Final report · Jul 12, 1984 · N9785 · Substantial damage > During 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… - [NTSB ATL84LA220](https://openairdocs.org/ntsb/ATL84LA220.md): Snow 600-S2C · Lambert, MS · Accident · Minor injuries · Limited investigation · Final report · Jul 11, 1984 · N64744 · Substantial damage > During 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… - [NTSB MKC84LA210](https://openairdocs.org/ntsb/MKC84LA210.md): Grumman G164B · Mc Gehee, AR · Accident · No injuries · Limited investigation · Final report · Jul 9, 1984 · N8222K · Substantial damage > The 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… - [NTSB MKC84LA200](https://openairdocs.org/ntsb/MKC84LA200.md): Grumman G164A · Bernie, MO · Accident · Minor injuries · Limited investigation · Final report · Jul 3, 1984 · N4796 · Substantial damage > Descending 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… - [NTSB LAX84LA379](https://openairdocs.org/ntsb/LAX84LA379.md): Rockwell S-2R · Stanfield, AZ · Accident · Minor injuries · Limited investigation · Final report · Jul 2, 1984 · N8430V · Destroyed > The 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. - [NTSB DEN84LA206](https://openairdocs.org/ntsb/DEN84LA206.md): Grumman G-164A · Wyndmere, ND · Accident · No injuries · Limited investigation · Final report · Jul 1, 1984 · N4638 · Substantial damage > Sod 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… - [NTSB CHI84LA262](https://openairdocs.org/ntsb/CHI84LA262.md): Grumman G-164A · Mahnomen, MN · Accident · No injuries · Limited investigation · Final report · Jun 26, 1984 · N6584 · Substantial damage > Shortly 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… - [NTSB DEN84LA192](https://openairdocs.org/ntsb/DEN84LA192.md): Grumman G-164A · Murdo, SD · Accident · No injuries · Limited investigation · Final report · Jun 23, 1984 · N8974H · Substantial damage > The 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… - [NTSB MKC84LA180](https://openairdocs.org/ntsb/MKC84LA180.md): Rockwell S-2R · Pocahontas, AR · Accident · No injuries · Limited investigation · Final report · Jun 16, 1984 · N4913X · Substantial damage > About 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… - [NTSB FTW84LA274](https://openairdocs.org/ntsb/FTW84LA274.md): Air Tractor AT301 · San Benito, TX · Accident · No injuries · Limited investigation · Final report · Jun 16, 1984 · N8594S · Substantial damage > At 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. - [NTSB MKC84LA166](https://openairdocs.org/ntsb/MKC84LA166.md): Aero Commander S-2R · Pocahontas, AR · Accident · No injuries · Limited investigation · Final report · Jun 10, 1984 · N8896Q · Substantial damage > The 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.… - [NTSB FTW84LA262](https://openairdocs.org/ntsb/FTW84LA262.md): Grumman G-164A · Bell City, LA · Accident · No injuries · Limited investigation · Final report · Jun 1, 1984 · N8661H · Substantial damage > A 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… - [NTSB MKC84LA152](https://openairdocs.org/ntsb/MKC84LA152.md): Ayres S2R · Wilmot, AR · Accident · No injuries · Limited investigation · Final report · May 28, 1984 · N5675X · Substantial damage > Plt 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. - [NTSB MKC84LA148](https://openairdocs.org/ntsb/MKC84LA148.md): Grumman G-164B · Humnoke, AR · Accident · Serious injuries · Limited investigation · Final report · May 27, 1984 · N6729K · Destroyed > Plt 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… - [NTSB FTW84LA253](https://openairdocs.org/ntsb/FTW84LA253.md): Grumman G-164A · Kinder, LA · Accident · No injuries · Limited investigation · Final report · May 26, 1984 · N9693 · Substantial damage > The 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… - [NTSB LAX84LA311](https://openairdocs.org/ntsb/LAX84LA311.md): Grumman G-164A · Williams, CA · Accident · No injuries · Limited investigation · Final report · May 23, 1984 · N5368 · Substantial damage > Shortly 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… - [NTSB SEA84FA110](https://openairdocs.org/ntsb/SEA84FA110.md): Rockwell S-2R · American Falls, ID · Accident · 1 fatal · Field investigation · Final report · May 19, 1984 · N4865X · Substantial damage > The 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… - [NTSB DEN84LA153](https://openairdocs.org/ntsb/DEN84LA153.md): Grumman G-164A · Wiggins, CO · Accident · No injuries · Limited investigation · Final report · May 18, 1984 · N9822 · Substantial damage > While 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… - [NTSB CHI84LA188](https://openairdocs.org/ntsb/CHI84LA188.md): Ayres S2R · Vincennes, IN · Accident · No injuries · Limited investigation · Final report · May 13, 1984 · N4006U · Substantial damage > The 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… - [NTSB ATL84LA171](https://openairdocs.org/ntsb/ATL84LA171.md): Grumman G-164B · Rosedale, MS · Accident · No injuries · Limited investigation · Final report · May 9, 1984 · N6793K · Substantial damage > The 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. - [NTSB FTW84LA225](https://openairdocs.org/ntsb/FTW84LA225.md): Grumman G164A · Fenton, LA · Accident · No injuries · Limited investigation · Final report · May 7, 1984 · N48377 · Destroyed > The 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… - [NTSB FTW84LA194](https://openairdocs.org/ntsb/FTW84LA194.md): Grumman G-164A · Beaumont, TX · Accident · No injuries · Limited investigation · Final report · Apr 11, 1984 · N9978 · Destroyed > The acft stalled during a turn around between swath runs. The pilot stated that he was unable to recover because there was not sufficient alt. - [NTSB FTW84LA185](https://openairdocs.org/ntsb/FTW84LA185.md): Grumman G-164A · Eunice, LA · Accident · No injuries · Limited investigation · Final report · Apr 4, 1984 · N9936 · Substantial damage > The 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… - [NTSB LAX84LA230](https://openairdocs.org/ntsb/LAX84LA230.md): North American T-6G · Ramona, CA · Accident · Minor injuries · Limited investigation · Final report · Mar 25, 1984 · N1364J · 2 aircraft · Minor damage > The 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… - [NTSB FTW84LA145](https://openairdocs.org/ntsb/FTW84LA145.md): Grumman G-164A · Abbeville, LA · Accident · 1 fatal · Limited investigation · Final report · Feb 22, 1984 · N9728 · Destroyed > The 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… - [NTSB LAX84LA009](https://openairdocs.org/ntsb/LAX84LA009.md): North American SNJ-2 · Fresno, CA · Accident · No injuries · Limited investigation · Final report · Oct 9, 1983 · N61563 · 2 aircraft · Substantial damage > A 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… - [NTSB FTW83LA446](https://openairdocs.org/ntsb/FTW83LA446.md): Aero Commander S2R · Napoleonville, LA · Accident · No injuries · Limited investigation · Final report · Sep 29, 1983 · N8890Q · Substantial damage > The 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… - [NTSB FTW83LA432](https://openairdocs.org/ntsb/FTW83LA432.md): Ayres S2R · Bay City, TX · Accident · Serious injuries · Limited investigation · Final report · Sep 16, 1983 · N5049X · Substantial damage > During 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… - [NTSB ATL83LA347](https://openairdocs.org/ntsb/ATL83LA347.md): Snow 600-S2C · Blackshear, GA · Accident · No injuries · Limited investigation · Final report · Aug 31, 1983 · N1635S · Substantial damage > The 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… - [NTSB FTW83LA404](https://openairdocs.org/ntsb/FTW83LA404.md): Aero Commander S2R · Katy, TX · Accident · No injuries · Limited investigation · Final report · Aug 30, 1983 · N3696X · Substantial damage > The 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. - [NTSB FTW83LA402](https://openairdocs.org/ntsb/FTW83LA402.md): Grumman G-164B · North Lacassine, LA · Accident · No injuries · Limited investigation · Final report · Aug 27, 1983 · N6714K · Substantial damage > The 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,… - [NTSB FTW83LA394](https://openairdocs.org/ntsb/FTW83LA394.md): Air Tractor AT301 · El Campo, TX · Accident · No injuries · Limited investigation · Final report · Aug 25, 1983 · N4369S · Substantial damage > The 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… - [NTSB ATL83FKQ03](https://openairdocs.org/ntsb/ATL83FKQ03.md): Air Tractor AT-301 · Redwood, MS · Accident · No injuries · Final report · Aug 25, 1983 · N8511S · Substantial damage > The 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… - [NTSB ATL83LA326](https://openairdocs.org/ntsb/ATL83LA326.md): Grumman G-164A · Hatley, GA · Accident · Minor injuries · Limited investigation · Final report · Aug 15, 1983 · N7904 · Destroyed > The 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.… - [NTSB LAX83LA374](https://openairdocs.org/ntsb/LAX83LA374.md): Rockwell S2R · Brentwood, CA · Accident · No injuries · Limited investigation · Final report · Aug 6, 1983 · N5523X · Destroyed > The 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… - [NTSB FTW83LA366](https://openairdocs.org/ntsb/FTW83LA366.md): Grumman G-164A · Jennings, LA · Accident · No injuries · Limited investigation · Final report · Aug 6, 1983 · N7396 · Substantial damage > The 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… - [NTSB ATL83FIG05](https://openairdocs.org/ntsb/ATL83FIG05.md): Rockwell S2R · Massey, MD · Accident · Minor injuries · Final report · Aug 5, 1983 · N8484V · Substantial damage > While 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… - [NTSB FTW83LA358](https://openairdocs.org/ntsb/FTW83LA358.md): Rockwell S2R · Eudora, AR · Accident · No injuries · Limited investigation · Final report · Aug 1, 1983 · N4903X · Substantial damage > While 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… - [NTSB LAX83LA330](https://openairdocs.org/ntsb/LAX83LA330.md): Grumman G-164 · Princeton, CA · Accident · No injuries · Limited investigation · Final report · Jul 11, 1983 · N9707 · Destroyed > The 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… - [NTSB FTW83LA320](https://openairdocs.org/ntsb/FTW83LA320.md): Grumman G-164A · Dayton, TX · Accident · No injuries · Limited investigation · Final report · Jul 4, 1983 · N48374 · Substantial damage > The 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… - [NTSB FTW83LA275](https://openairdocs.org/ntsb/FTW83LA275.md): Grumman G-164A · Newport, AR · Accident · No injuries · Limited investigation · Final report · Jun 13, 1983 · N6581 · Substantial damage > According 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… - [NTSB DEN83LA136](https://openairdocs.org/ntsb/DEN83LA136.md): Air Tractor AT-301 · Conrad, MT · Accident · No injuries · Limited investigation · Final report · Jun 9, 1983 · N23069 · Substantial damage > The 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… - [NTSB ATL83LA225](https://openairdocs.org/ntsb/ATL83LA225.md): Air Tractor AT-301 · Fort Valley, GA · Accident · Minor injuries · Limited investigation · Final report · Jun 9, 1983 · N5071S · Substantial damage > The 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. - [NTSB FTW83LA267](https://openairdocs.org/ntsb/FTW83LA267.md): Grumman G-164B · Kinder, LA · Accident · No injuries · Limited investigation · Final report · Jun 4, 1983 · N6642K · Substantial damage > The 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… - [NTSB NYC83FA130](https://openairdocs.org/ntsb/NYC83FA130.md): North American AT-6C · Westfield, MA · Accident · 1 fatal · Field investigation · Final report · Jun 3, 1983 · N5286N · Destroyed > The 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… - [NTSB ATL83LA205](https://openairdocs.org/ntsb/ATL83LA205.md): Grumman G-164B · Blakely, GA · Accident · No injuries · Limited investigation · Final report · Jun 1, 1983 · N8476K · Destroyed > Shortly 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… - [NTSB FTW83LA239](https://openairdocs.org/ntsb/FTW83LA239.md): Grumman G-164A · Hayes, LA · Accident · No injuries · Limited investigation · Final report · May 17, 1983 · N9805 · Substantial damage > The 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. - [NTSB LAX83LA207](https://openairdocs.org/ntsb/LAX83LA207.md): Aero Commander 600 S-2D · Gilroy, CA · Accident · Serious injuries · Limited investigation · Final report · May 1, 1983 · N1785S · Destroyed > Prior 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… - [NTSB FTW83LA209](https://openairdocs.org/ntsb/FTW83LA209.md): Aero Commander S-2R · Cheneyville, LA · Accident · No injuries · Limited investigation · Final report · Apr 19, 1983 · N3644X · Substantial damage > According 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… Next page: https://openairdocs.org/ntsb.md?engine=52016&page=22 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 ``` This list as a web page: https://openairdocs.org/ntsb?engine=52016&page=21 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.