# NTSB investigations: Pratt & Whitney R1340 series: Loss of control - on ground/water 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 2 of 2 · 79 cases ## Cases, newest first - [NTSB NYC91LA253](https://openairdocs.org/ntsb/NYC91LA253.md): North American T-6G · Manchester, NH · Accident · No injuries · Limited investigation · Final report · Sep 29, 1991 · N3167G · Substantial damage > The pilot's failure to maintain control. A factor was the unforecasted strong cross winds. - [NTSB LAX91LA384](https://openairdocs.org/ntsb/LAX91LA384.md): North American AT-6D · Hayward, CA · Accident · No injuries · Limited investigation · Final report · Sep 2, 1991 · N3660V · Substantial damage > The failure of the pilot to maintain directional control of the aircraft while correcting an unwanted deviation. - [NTSB MKC90LA147](https://openairdocs.org/ntsb/MKC90LA147.md): Grumman G-164A · Egypt, AR · Accident · No injuries · Limited investigation · Final report · Jul 12, 1990 · N8930H · Substantial damage > The pilot's failure to maintain directional control. A factor related to the accident was the soft/muddy area on the runway. - [NTSB DEN90LA061](https://openairdocs.org/ntsb/DEN90LA061.md): North American T-6G · Englewood, CO · Accident · No injuries · Limited investigation · Final report · Mar 11, 1990 · N2879G · Substantial damage > To be a failure of the pilot to maintain directional control. - [NTSB ATL90LA003](https://openairdocs.org/ntsb/ATL90LA003.md): North American AT-6D · Albemarle, NC · Accident · No injuries · Limited investigation · Final report · Oct 2, 1989 · N350HT · Substantial damage > The pilot's failure to maintain directional control of the airplane. - [NTSB LAX89DVA09](https://openairdocs.org/ntsb/LAX89DVA09.md): Aero Commander S2R · Tranquillity, CA · Accident · No injuries · Final report · Aug 11, 1989 · N4072X · Substantial damage > The pilot's visual look-out was inadequate and that he failed to see the high vegetation upon landing. Factors relating to this accident are dark night and high vegetation. - [NTSB MIA89LA130](https://openairdocs.org/ntsb/MIA89LA130.md): North American SNJ-5 · Lakeland, FL · Accident · No injuries · Limited investigation · Final report · Apr 13, 1989 · N15HB · Substantial damage > The pilot's failure to maintain directional control, which resulted in an inadvertent ground loop. - [NTSB ATL89LA008](https://openairdocs.org/ntsb/ATL89LA008.md): North American T-6G · West Jefferson, NC · Accident · Serious injuries · Limited investigation · Final report · Oct 8, 1988 · N7704C · Substantial damage > During a landing attempt, the pilot lost directional control and veered off the right side of runway 27. The pilot reported applying opposite braking with negative results. The airplane examination failed to disclose any system problem. - [NTSB MKC88LA158](https://openairdocs.org/ntsb/MKC88LA158.md): Grumman G-164B · Humphrey, AR · Accident · No injuries · Limited investigation · Final report · Aug 16, 1988 · N8405K · Substantial damage > While attempting to land on a narrow dirt road bordered by crops, the plt said he contacted the high vegetation on the right side. The acft began to veer to the right. The plt attempted to steer to the left and veered off the roadway into a ditch and nosed… - [NTSB MKC88LA116](https://openairdocs.org/ntsb/MKC88LA116.md): Grumman G-164A · Cotton Plant, AR · Accident · No injuries · Limited investigation · Final report · Jun 22, 1988 · N8644H · Substantial damage > The pilot did not adequately secure the aircraft prior to hand-propping the engine. The engine started and resulted in the aircraft taxiing without a pilot at the controls. The pilot-less aircraft impacted a utility pole causing substantial damage. - [NTSB ANC88LA066](https://openairdocs.org/ntsb/ANC88LA066.md): De Havilland DHC-3 · Eagle, AK · Accident · No injuries · Limited investigation · Final report · Jun 2, 1988 · N3125N · Substantial damage > The pilot was attempting to land a heavily loaded De Havilland otter (DHC-3) on a gravel strip in rural Alaska. Upon touchdown, the pilot reported that the airplane veered slightly to the right. He unlocked the tail wheel centering device and attempted to… - [NTSB CHI88LA106](https://openairdocs.org/ntsb/CHI88LA106.md): North American AT-6D · Eden Prairie, MN · Accident · No injuries · Limited investigation · Final report · May 3, 1988 · N29935 · Substantial damage > While on an aircraft familiarization for purpose of check out, the pilot encountered a gusty crosswind on landing and failed to maintain aircraft control. The instructor pilot took over the controls, but was unable to regain directional control, and the… - [NTSB MKC87LA168](https://openairdocs.org/ntsb/MKC87LA168.md): Grumman G-164B · Holly Grove, AR · Accident · No injuries · Limited investigation · Final report · Aug 26, 1987 · N8365K · Substantial damage > The pilot lost control on takeoff roll, ran off the side of the runway and impacted a dirt bank. The aircraft came to rest in an inverted position. Investigation revealed no preimpact mechanical malfunctions/failures. - [NTSB DEN87LA222](https://openairdocs.org/ntsb/DEN87LA222.md): North American AT-6C · Colorado Spring, CO · Accident · No injuries · Limited investigation · Final report · Aug 15, 1987 · N7058C · Substantial damage > The plt reports that he accepted a tailwind for his landing and ground-looped during the roll out. - [NTSB BFO87LA030](https://openairdocs.org/ntsb/BFO87LA030.md): North American SNJ-5 · Norfolk, VA · Accident · No injuries · Limited investigation · Final report · Mar 13, 1987 · N8218E · Substantial damage > The tower cleared the aircraft to land on runway 35 at Norfolk international airport with winds from 010 degrees at 20 to 25 knots. The pilot stated that all other traffic was using runway 05. During landing roll the aircraft started to drift to the right,… - [NTSB LAX87LA054](https://openairdocs.org/ntsb/LAX87LA054.md): North American-Maslon SNJ-4 · El Cajon, CA · Accident · No injuries · Limited investigation · Final report · Nov 28, 1986 · N269WB · Substantial damage > A North American SNJ-4 ground looped after a loss of control during takeoff roll on runway 27R. The aircraft swerved to the left twice and then lifted off the ground with a high angle of attack and low airspeed. The aircraft then 'mushed along' at… - [NTSB MIA86LA190](https://openairdocs.org/ntsb/MIA86LA190.md): Aero Commander S2R · Valley Park, MS · Accident · No injuries · Limited investigation · Final report · Jun 24, 1986 · N8946Q · Substantial damage > The plt stated that a thndrstrm was in the immediate area & he took off with a left quartering headwind. During the take off roll, the wind shifted & a left quartering tailwind blew the acft into a ditch. The plt estimated the winds at 50 to 60 mph. - [NTSB MIA86LA183](https://openairdocs.org/ntsb/MIA86LA183.md): Air Tractor AT-301 · Vaiden, MS · Accident · No injuries · Limited investigation · Final report · Jun 14, 1986 · N23930 · Substantial damage > The plt stated that upon landing in a cow pasture he lost directional control of the acft. The acft collided with a vehicle located at the FAR end and off to one side of the pasture. The acft then traveled through a fence and a ditch before coming to rest… - [NTSB MKC86LA102](https://openairdocs.org/ntsb/MKC86LA102.md): Aero Commander S2R · Almyra, AR · Accident · No injuries · Limited investigation · Final report · May 10, 1986 · N5509X · Substantial damage > The plt stated that the landing was routine until he used the brakes. At this point the left wheel brake assembly came apart and the acft veered out of control off the right side of the rwy and into a ditch, where the left main landing gear collapsed. Post… - [NTSB LAX85LA340](https://openairdocs.org/ntsb/LAX85LA340.md): North American T-6G · Tucson, AZ · Accident · No injuries · Limited investigation · Final report · Aug 4, 1985 · N45CT · Substantial damage > The 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 FTW85LA162](https://openairdocs.org/ntsb/FTW85LA162.md): North American AT-6G · Frederick, OK · Accident · No injuries · Limited investigation · Final report · Mar 23, 1985 · N9035Z · Substantial damage > The 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 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 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… - [NTSB ATL83LA147](https://openairdocs.org/ntsb/ATL83LA147.md): Grumman G164 A · New Church, VA · Accident · No injuries · Limited investigation · Final report · Mar 30, 1983 · N8719H · Substantial damage > The acft swerved from a soft spot on the runway and left the runway. When the acft went into a plowed field the landing gear mired and the acft nosed over. The pilot could not see over the nose of the tailwheel acft to detect the soft spot in the runway. The… - [NTSB LAX83LA148](https://openairdocs.org/ntsb/LAX83LA148.md): Aero Commander S-2R · Dos Palos, CA · Accident · No injuries · Limited investigation · Final report · Mar 17, 1983 · N8822Q · Substantial damage > According to the operator, the plt landed with a quartering tailwind & directional control was lost. The acft veered offthe rwy into soft mud & flipped over. - [NTSB LAX83LA146](https://openairdocs.org/ntsb/LAX83LA146.md): Rockwell S-2R · Corcoran, CA · Accident · No injuries · Limited investigation · Final report · Mar 17, 1983 · N4187X · Substantial damage > According to the plt, he was taking off in a x-wind condition & allowed the acft to drift off the duster strip. He stated that he decided to continue the takeoff because of soft ground. The acft lifted off, then settled & the gear struck a levee. The plane… - [NTSB LAX83LA101](https://openairdocs.org/ntsb/LAX83LA101.md): Grumman G164 · Avenal, CA · Accident · No injuries · Limited investigation · Final report · Feb 11, 1983 · N728Y · Substantial damage > During a landing after a spraying operation, the right brake failed and the aircraft collided with a berm before nosing over. The pilot said the right brake failed to keep aircraft on the runway when the rudder became ineffective. The 'o' ring part number an… - [NTSB FTW82DA177](https://openairdocs.org/ntsb/FTW82DA177.md): Grumman G-164A · Elreno, OK · Accident · No injuries · Final report · May 13, 1982 · N7843 · Destroyed > During takeoff the pilot encountered standing water on the runway. The aircraft swerved left and nosed over. - [NTSB NYC82DA078](https://openairdocs.org/ntsb/NYC82DA078.md): North American SNJ-2 · Flushing, NY · Accident · No injuries · Final report · Apr 23, 1982 · N62382 · Substantial damage > The flight proceeded without incident until the tail wheel was unlocked during the landing roll. The aircraft drifted to the left and struck a parked cherokee. Both aircraft were substantially damaged. Inspection revealed that residue of a recent paint… ## 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') AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 260)) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=52016&occurrence=260&page=2 --- 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.