# 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 12 of 34 · 1,656 cases ## Cases, newest first - [NTSB MIA98IA001](https://openairdocs.org/ntsb/MIA98IA001.md): Grumman G-73 · Fort Lauderdale, FL · Incident · No injuries · Incident investigation · Final report · Oct 1, 1997 · N168WS · Minor damage > the partial failure of a component of the hydraulic system resulting in the collapse of the nose landing gear during the landing roll. - [NTSB ATL97FA134](https://openairdocs.org/ntsb/ATL97FA134.md): North American T-6-SNJ5 · Camden, SC · Accident · 2 fatal · Field investigation · Final report · Sep 6, 1997 · N1047C · Destroyed > The 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 FTW97LA336](https://openairdocs.org/ntsb/FTW97LA336.md): Grumman G-164A · Muleshoe, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 30, 1997 · N9807 · Substantial damage > failure 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 ATL97LA127](https://openairdocs.org/ntsb/ATL97LA127.md): Air Tractor AT-301 · Clewiston, FL · Accident · No injuries · Limited investigation · Final report · Aug 29, 1997 · N7307C · Substantial damage > The crack in the #8 cylinder head which led to the loss of power. A factor was the soft terrain. - [NTSB FTW97LA322](https://openairdocs.org/ntsb/FTW97LA322.md): Rockwell S-2R · Columbus, NM · Accident · Serious injuries · Limited investigation · Final report · Aug 21, 1997 · N4893X · Substantial damage > a 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 CHI97LA263](https://openairdocs.org/ntsb/CHI97LA263.md): Grumman G-164B · Burlington, WI · Accident · No injuries · Limited investigation · Final report · Aug 16, 1997 · N7016Y · Substantial damage > the deer which contacted the airplane. - [NTSB MIA97LA210](https://openairdocs.org/ntsb/MIA97LA210.md): Grumman-Schweizer G-164A · Woodeberry, TN · Accident · No injuries · Limited investigation · Final report · Jul 13, 1997 · N7981 · Destroyed > in-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 MIA97LA208](https://openairdocs.org/ntsb/MIA97LA208.md): Air Tractor AT-401 · Altha, FL · Accident · Minor injuries · Limited investigation · Final report · Jul 8, 1997 · N1509C · Destroyed > the pilot's impairment of judgment and performance due to alcohol which led to his failure to maintain control of the airplane. - [NTSB CHI97LA204](https://openairdocs.org/ntsb/CHI97LA204.md): Grumman-Schweizer G-164B · Donnelly, MN · Accident · No injuries · Limited investigation · Final report · Jul 7, 1997 · N6633K · Substantial damage > undetermined event resulting in the broken connecting rod and cylinder. - [NTSB FTW97LA242](https://openairdocs.org/ntsb/FTW97LA242.md): Air Tractor AT-301 · Edna, TX · Accident · No injuries · Limited investigation · Final report · Jun 30, 1997 · N4396S · Substantial damage > failure of the pilot to maintain clearance from a guy wire, during a swath run. - [NTSB MIA97LA190](https://openairdocs.org/ntsb/MIA97LA190.md): Schweizer G-164B · Edwards, MS · Accident · No injuries · Limited investigation · Final report · Jun 20, 1997 · N6816Q · Substantial damage > failure 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 ATL97LA087](https://openairdocs.org/ntsb/ATL97LA087.md): Air Tractor AT-301A · Labelle, FL · Accident · No injuries · Limited investigation · Final report · Jun 20, 1997 · N23728 · Substantial damage > failure 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 FTW97FA229](https://openairdocs.org/ntsb/FTW97FA229.md): Air Tractor AT-301 · Las Animas, CO · Accident · 1 fatal · Field investigation · Final report · Jun 19, 1997 · N7308E · Destroyed > in-flight collision with terrain, while maneuvering, for undetermined reason(s). - [NTSB FTW97LA228](https://openairdocs.org/ntsb/FTW97LA228.md): Rockwell S-2R · Pond Creek, OK · Accident · No injuries · Limited investigation · Final report · Jun 18, 1997 · N4859X · Destroyed > loss of engine power for undetermined reason(s). A factor relating to the accident was: the lack of suitable terrain for a forced landing. - [NTSB LAX97LA212](https://openairdocs.org/ntsb/LAX97LA212.md): Schweizer G-164B · Rio Linda, CA · Accident · Serious injuries · Limited investigation · Final report · Jun 16, 1997 · N3631G · Substantial damage > the 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 CHI97LA126](https://openairdocs.org/ntsb/CHI97LA126.md): Grumman G-164A · Prairie View, KS · Accident · No injuries · Limited investigation · Final report · May 9, 1997 · N7859 · Substantial damage > an 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 SEA97LA099](https://openairdocs.org/ntsb/SEA97LA099.md): Grumman G-164A · Rosalia, WA · Accident · 1 fatal · Limited investigation · Final report · May 6, 1997 · N7926 · Destroyed > The 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 CHI97LA106](https://openairdocs.org/ntsb/CHI97LA106.md): Air Tractor AT-401 · Highmore, SD · Accident · Minor injuries · Limited investigation · Final report · Apr 18, 1997 · N1008P · Substantial damage > a premature lift-off of the airplane by the pilot in command. - [NTSB FTW97LA136](https://openairdocs.org/ntsb/FTW97LA136.md): Grumman G-164A · Swifton, AR · Accident · 1 fatal · Limited investigation · Final report · Mar 22, 1997 · N8922H · Destroyed > the pilot's improper in-flight planning/decision and failure to maintain positive control of the airplane, while performing an aerobatic maneuver. - [NTSB FTW97LA137](https://openairdocs.org/ntsb/FTW97LA137.md): Aero Commander S2R · Dilley, TX · Accident · No injuries · Limited investigation · Final report · Mar 21, 1997 · N8985Q · Substantial damage > failure 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 LAX97LA121](https://openairdocs.org/ntsb/LAX97LA121.md): Grumman G-164B · Winters, CA · Accident · No injuries · Limited investigation · Final report · Mar 11, 1997 · N36265 · Substantial damage > the failure of the engine cylinder head assembly due to operational fatigue. - [NTSB LAX97LA099](https://openairdocs.org/ntsb/LAX97LA099.md): Ayres S2R-T65 · Firebaugh, CA · Accident · No injuries · Limited investigation · Final report · Feb 8, 1997 · N3101K · Substantial damage > failure 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 LAX97LA045](https://openairdocs.org/ntsb/LAX97LA045.md): Air Tractor AT-401 · Calexico, CA · Accident · No injuries · Limited investigation · Final report · Nov 9, 1996 · N1014N · Substantial damage > the pilot's premature lift-off from the runway and his failure to attain adequate airspeed. - [NTSB FTW96LA388](https://openairdocs.org/ntsb/FTW96LA388.md): Schweizer G-164B · Ferriday, LA · Accident · No injuries · Limited investigation · Final report · Sep 17, 1996 · N8498K · Substantial damage > The 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 FTW96LA371](https://openairdocs.org/ntsb/FTW96LA371.md): Air Tractor AT-301 · Meadow, TX · Accident · No injuries · Limited investigation · Final report · Sep 3, 1996 · N3166H · Substantial damage > The pilot's failure to maintain clearance from the transmission wire. A factor was the lack of suitable terrain for a forced landing. - [NTSB FTW96LA374](https://openairdocs.org/ntsb/FTW96LA374.md): Air Tractor AT-401 · Brownfield, TX · Accident · No injuries · Limited investigation · Final report · Sep 1, 1996 · N1502F · Substantial damage > The pilot's failure to maintain directional control during landing roll. A factor was the crosswind. - [NTSB SEA96LA200](https://openairdocs.org/ntsb/SEA96LA200.md): Grumman-Schweizer G-164B · Waitsburg, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 22, 1996 · N7501Q · Substantial damage > the pilot's inadequate compensation for wind conditions and failure to maintain control of the airplane after encountering a whirlwind during the landing. - [NTSB FTW96LA341](https://openairdocs.org/ntsb/FTW96LA341.md): Ayres S-2R · Wharton, TX · Accident · No injuries · Limited investigation · Final report · Aug 12, 1996 · N3084X · Substantial damage > total 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 FTW96LA346](https://openairdocs.org/ntsb/FTW96LA346.md): Aero Commander S2R · Hatch, NM · Accident · No injuries · Limited investigation · Final report · Aug 11, 1996 · N8992Q · Substantial damage > a loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for a forced landing. - [NTSB LAX96LA299](https://openairdocs.org/ntsb/LAX96LA299.md): Grumman-Schweizer G-164A · Caruthers, CA · Accident · Minor injuries · Limited investigation · Final report · Aug 8, 1996 · N8598H · Substantial damage > the loss of engine power due to the failure of a cylinder. The road's soft surface was a factor. - [NTSB ATL96LA117](https://openairdocs.org/ntsb/ATL96LA117.md): Grumman G164 · Dawson, GA · Accident · No injuries · Limited investigation · Final report · Aug 7, 1996 · N8672H · Destroyed > loss of engine power for undetermined reason(s), which resulted in an overrun, an encounter with soft terrain, and a nose over. - [NTSB ATL96LA116](https://openairdocs.org/ntsb/ATL96LA116.md): Grumman G-164A · Mayersville, MS · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 1996 · N7362 · Substantial damage > failure of the pilot to maintain adequate clearance from an object (vehicle) on the ground. - [NTSB CHI96LA263](https://openairdocs.org/ntsb/CHI96LA263.md): Rockwell S-2D · Bancroft, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 1996 · N1768S · Substantial damage > the 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 CHI96LA258](https://openairdocs.org/ntsb/CHI96LA258.md): Air Tractor AT-301 · Liberal, KS · Accident · Serious injuries · Limited investigation · Final report · Jul 28, 1996 · N8837S · Destroyed > the pilot did not maintain aircraft control. A factor was a low altitude flight maneuver was performed. - [NTSB SEA96LA172](https://openairdocs.org/ntsb/SEA96LA172.md): Grumman-Schweizer G-164A · Dubois, ID · Accident · No injuries · Limited investigation · Final report · Jul 27, 1996 · N5390 · Substantial damage > failure 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 CHI96LA265](https://openairdocs.org/ntsb/CHI96LA265.md): Grumman G-164A · Macksville, KS · Accident · No injuries · Limited investigation · Final report · Jul 27, 1996 · N4630 · Substantial damage > failure 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 FTW96LA326](https://openairdocs.org/ntsb/FTW96LA326.md): Rockwell International S2R · Tahlequah, OK · Accident · No injuries · Limited investigation · Final report · Jul 25, 1996 · N4886X · Substantial damage > the pilot's failure to refuel the airplane resulting in fuel exhaustion. A factor was the lack of suitable terrain for the forced landing. - [NTSB ATL96LA107](https://openairdocs.org/ntsb/ATL96LA107.md): Grumman G-164 · Scotia, SC · Accident · Serious injuries · Limited investigation · Final report · Jul 14, 1996 · N5370 · Substantial damage > a loss of engine power for undetermined reasons. A factor was the unsuitable terrain for a forced landing. - [NTSB MIA96LA183](https://openairdocs.org/ntsb/MIA96LA183.md): Rockwell S2R · Belzoni, MS · Accident · No injuries · Limited investigation · Final report · Jul 13, 1996 · N3695X · Substantial damage > fatigue 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 CHI96LA217](https://openairdocs.org/ntsb/CHI96LA217.md): Air Tractor AT-301 · Ness City, KS · Accident · No injuries · Limited investigation · Final report · Jun 26, 1996 · N8883S · Substantial damage > the 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 FTW96LA275](https://openairdocs.org/ntsb/FTW96LA275.md): Rockwell S2R · Las Animas, CO · Accident · No injuries · Limited investigation · Final report · Jun 24, 1996 · N4907X · Substantial damage > inadequate 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 FTW96LA251](https://openairdocs.org/ntsb/FTW96LA251.md): Air Tractor AT-401 · Cash, AR · Accident · No injuries · Limited investigation · Final report · Jun 15, 1996 · N1004W · Substantial damage > The partial loss of engine power due to fuel contamination. A factor was the lack of suitable terrain available for the forced landing. - [NTSB MIA96LA155](https://openairdocs.org/ntsb/MIA96LA155.md): Rockwell S-2R · Wayside, MS · Accident · No injuries · Limited investigation · Final report · Jun 10, 1996 · N8428V · Substantial damage > Failure of the pilot to maintain the proper descent rate at touchdown resulting in collapse of the right main landing gear. - [NTSB SEA96LA113](https://openairdocs.org/ntsb/SEA96LA113.md): Ayres S2R · Aberdeen, ID · Accident · Serious injuries · Limited investigation · Final report · Jun 6, 1996 · N5686X · Substantial damage > pilot'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 FTW96LA236](https://openairdocs.org/ntsb/FTW96LA236.md): Rockwell S-2R · Dumas, AR · Accident · Minor injuries · Limited investigation · Final report · Jun 4, 1996 · N3646X · Substantial damage > Failure 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 LAX96LA213](https://openairdocs.org/ntsb/LAX96LA213.md): Rockwell S-2R · Lost Hills, CA · Accident · No injuries · Limited investigation · Final report · May 30, 1996 · N8447V · Substantial damage > the loss of engine power due to a cylinder failure. A contributing factor was the lack of a suitable field for the forced landing. - [NTSB CHI96LA167](https://openairdocs.org/ntsb/CHI96LA167.md): Air Tractor AT401 · Letcher, SD · Accident · No injuries · Limited investigation · Final report · May 20, 1996 · N1019X · Substantial damage > the pilot's inadequate evaluation of the severe weather condition. A factor was the weather conditions. - [NTSB NYC96LA105](https://openairdocs.org/ntsb/NYC96LA105.md): Grumman-Schweizer G-164A · Vineland, NJ · Accident · No injuries · Limited investigation · Final report · May 14, 1996 · N6620Q · Substantial damage > failure 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 FTW96LA205](https://openairdocs.org/ntsb/FTW96LA205.md): Grumman G-164B · Iowa, LA · Accident · No injuries · Limited investigation · Final report · May 10, 1996 · N6832K · Substantial damage > the pilot's selection of an unsuitable area for takeoff. The high vegetation (tall grass) was a related factor. - [NTSB FTW96FA200](https://openairdocs.org/ntsb/FTW96FA200.md): North American Harvard MK II · Lafayette, LA · Accident · 1 fatal · Field investigation · Final report · May 4, 1996 · N2755Z · Destroyed > failure of the pilot to maintain adequate airspeed and/or altitude, while performing aerobatic flight. Next page: https://openairdocs.org/ntsb.md?engine=52016&page=13 ## 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=12 --- 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.