# NTSB investigations: Pratt & Whitney R1340 series, 1984 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. ## Latest cases - [NTSB FTW85LA039](https://openairdocs.org/ntsb/FTW85LA039.md): Air Tractor AT-301 · Mission, TX · Accident · No injuries · Limited investigation · Final report · Nov 8, 1984 · N8523S · Substantial damage > After 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 ANC85LA014](https://openairdocs.org/ntsb/ANC85LA014.md): de Havilland Otter DHC-3 · Dan Creek, AK · Accident · No injuries · Limited investigation · Final report · Oct 28, 1984 · N2899J · Substantial damage > According 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 LAX85LA026](https://openairdocs.org/ntsb/LAX85LA026.md): Harvard MK IV/AT-6 · Apple Valley, CA · Accident · No injuries · Limited investigation · Final report · Oct 20, 1984 · N44110 · Substantial damage > Plt 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 FTW85LA017](https://openairdocs.org/ntsb/FTW85LA017.md): Air Tractor AT-301 · Seminole, TX · Accident · No injuries · Limited investigation · Final report · Oct 16, 1984 · N3164Y · Substantial damage > The 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 MKC85LA006](https://openairdocs.org/ntsb/MKC85LA006.md): Grumman G-164A · Cotton Plant, AR · Accident · No injuries · Limited investigation · Final report · Oct 11, 1984 · N8644H · Substantial damage > During 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 LAX85LA004](https://openairdocs.org/ntsb/LAX85LA004.md): Grumman G-164A · Lamont, CA · Accident · No injuries · Limited investigation · Final report · Oct 7, 1984 · N6587 · Substantial damage > The 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 MKC84LA269](https://openairdocs.org/ntsb/MKC84LA269.md): Rockwell S-2R · Weiner, AR · Accident · Minor injuries · Limited investigation · Final report · Sep 5, 1984 · N4924X · Substantial damage > The 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 MKC84LA260](https://openairdocs.org/ntsb/MKC84LA260.md): Air Tractor AT-301 · Dexter, MO · Accident · Minor injuries · Limited investigation · Final report · Aug 23, 1984 · N31623 · Substantial damage > The 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 SEA84LA199](https://openairdocs.org/ntsb/SEA84LA199.md): Rockwell Thrush SR2 · Nampa, ID · Accident · No injuries · Limited investigation · Final report · Aug 14, 1984 · N5553X · Substantial damage > The 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 MKC84LA250](https://openairdocs.org/ntsb/MKC84LA250.md): Grumman G-164A · Swifton, AR · Accident · No injuries · Limited investigation · Final report · Aug 14, 1984 · N7693 · Substantial damage > During 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 ATL84LA256](https://openairdocs.org/ntsb/ATL84LA256.md): Grumman G-164A · Adams, TN · Accident · No injuries · Limited investigation · Final report · Aug 14, 1984 · N9888 · Substantial damage > After 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 MKC84LA231](https://openairdocs.org/ntsb/MKC84LA231.md): Aero Commander S2R · Garden City, KS · Accident · No injuries · Limited investigation · Final report · Jul 24, 1984 · N3669X · Substantial damage > The 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 MKC84LA222](https://openairdocs.org/ntsb/MKC84LA222.md): Grumman G-164A · Stanford, AR · Accident · Minor injuries · Limited investigation · Final report · Jul 19, 1984 · N8914H · Substantial damage > When 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 MKC84LA211](https://openairdocs.org/ntsb/MKC84LA211.md): Grumman G-164B · Roe, AR · Accident · No injuries · Limited investigation · Final report · Jul 17, 1984 · N8365K · Substantial damage > As 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 DEN84LA224](https://openairdocs.org/ntsb/DEN84LA224.md): Grumman G-164A · Richey, MT · Accident · No injuries · Limited investigation · Final report · Jul 15, 1984 · N6589 · Destroyed > The 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 MKC84LA217](https://openairdocs.org/ntsb/MKC84LA217.md): Grumman G-164A · Osceola, AR · Accident · No injuries · Limited investigation · Final report · Jul 13, 1984 · N7928 · Substantial damage > The 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. - [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… ## 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 year(c."eventDate") = 1984 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 ``` This list as a web page: https://openairdocs.org/ntsb?engine=52016&year=1984 --- 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.