# NTSB investigations: Pratt & Whitney R1340 series, TX

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 4 · 185 cases

## Cases, newest first

- [NTSB FTW99LA239](https://openairdocs.org/ntsb/FTW99LA239.md): Air Tractor AT-401 · Hart, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 25, 1999 · N15119 · Substantial damage
  > The pilot's failure to maintain clearance with power lines.
- [NTSB FTW99LA163](https://openairdocs.org/ntsb/FTW99LA163.md): Canadian Car & Foundry Harvard MK IV · Mckinney, TX · Accident · Minor injuries · Limited investigation · Final report · Jun 13, 1999 · N59TS · Substantial damage
  > The pilot's failure to maintain directional control on landing. Contributing factors were the elevator control restriction, the pilot's inadequate preflight, the ditch, and gusty conditions.
- [NTSB FTW99LA157](https://openairdocs.org/ntsb/FTW99LA157.md): Grumman G-164A · Monaville, TX · Accident · No injuries · Limited investigation · Final report · Jun 2, 1999 · N73PB · Substantial damage
  > The pilot's failure to touch down on the dry area of the landing strip. A factor was the soft terrain condition on the sides of the grass strip.
- [NTSB FTW99LA134](https://openairdocs.org/ntsb/FTW99LA134.md): Grumman-Schweizer G164-B · Garwood, TX · Accident · No injuries · Limited investigation · Final report · May 8, 1999 · N6771K · Destroyed
  > The pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall. A related factor was the high density altitude.
- [NTSB FTW98LA304](https://openairdocs.org/ntsb/FTW98LA304.md): Air Tractor AT-301 · Plainview, TX · Accident · No injuries · Limited investigation · Final report · Jul 8, 1998 · N2325G · Substantial damage
  > The pilot's failure to maintain obstacle clearance during the aerial application flight. A factor was the transmission wire.
- [NTSB FTW98LA257](https://openairdocs.org/ntsb/FTW98LA257.md): Aero Commander S2R · Hondo, TX · Accident · 1 fatal · Limited investigation · Final report · Jun 6, 1998 · N1765S · Destroyed
  > The inadvertent stall due to the pilot's failure to maintain control of the airplane. Factors were the high winds and the wind induced turbulence.
- [NTSB FTW98LA004](https://openairdocs.org/ntsb/FTW98LA004.md): North American Harvard MK IV · Midland, TX · Accident · No injuries · Limited investigation · Final report · Oct 4, 1997 · N13595 · 2 aircraft · Substantial damage
  > the failure of the pilots of both airplanes to maintain clearance from each other. A factor was their failure to follow procedures/directives.
- [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 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 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 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 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 FTW95LA362](https://openairdocs.org/ntsb/FTW95LA362.md): Air Tractor AT-301 · Dalhart, TX · Accident · No injuries · Limited investigation · Final report · Aug 22, 1995 · N3169U · Substantial damage
  > the pilot's failure to maintain control of the airplane during takeoff.
- [NTSB FTW95LA322](https://openairdocs.org/ntsb/FTW95LA322.md): Rockwell S-2R · Edna, TX · Accident · No injuries · Limited investigation · Final report · Jul 28, 1995 · N4182X · Substantial damage
  > The collapsing of the landing gear for undetermined reasons.
- [NTSB FTW95LA233](https://openairdocs.org/ntsb/FTW95LA233.md): Schweizer G-164B · Collegeport, TX · Accident · No injuries · Limited investigation · Final report · Jun 3, 1995 · N7501P · Substantial damage
  > The pilot's improper planning/decision by attempting to takeoff in an overweight condition from an 1,800 foot runway. Factors were the wet and soft condition of the runway.
- [NTSB FTW95LA028](https://openairdocs.org/ntsb/FTW95LA028.md): Air Tractor AT-301 · Lubbock, TX · Accident · No injuries · Limited investigation · Final report · Oct 21, 1994 · N8523S · Substantial damage
  > The pilot's failure to maintain clearance with the irrigation equipment. A factor was pilot fatigue.
- [NTSB FTW94LA271](https://openairdocs.org/ntsb/FTW94LA271.md): Rockwell S-2R · Clint, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 4, 1994 · N4890X · Substantial damage
  > The power loss for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW94LA145](https://openairdocs.org/ntsb/FTW94LA145.md): Grumman G-164A · El Campo, TX · Accident · Serious injuries · Limited investigation · Final report · May 7, 1994 · N9682 · Destroyed
  > The partial loss of engine power due to one magneto being weak and the other magneto arcing inside its case. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW94LA122](https://openairdocs.org/ntsb/FTW94LA122.md): Schweizer G-164 · Mount Bellvue, TX · Accident · No injuries · Limited investigation · Final report · Apr 9, 1994 · N3628T · Substantial damage
  > The pilot's failure to maintain directional control. Factors were the soft runway and gusty winds.
- [NTSB FTW93LA239](https://openairdocs.org/ntsb/FTW93LA239.md): Grumman-Schweizer G-164A · Garwood, TX · Accident · No injuries · Limited investigation · Final report · Aug 13, 1993 · N7993 · Substantial damage
  > The partial power loss for undetermined reasons. A factor was the lack of suitable terrain onto which a forced landing could be executed.
- [NTSB FTW93LA173](https://openairdocs.org/ntsb/FTW93LA173.md): Grumman G-164A · Ganado, TX · Accident · 1 fatal · Limited investigation · Final report · Jun 2, 1993 · N6752Q · Destroyed
  > The pilot's failure to maintain clearance with the power lines
- [NTSB FTW93LA075](https://openairdocs.org/ntsb/FTW93LA075.md): North American AT-6D · Fort Worth, TX · Accident · No injuries · Limited investigation · Final report · Jan 23, 1993 · N101NZ · Substantial damage
  > The pilot's failure to compensate for the crosswind. A factor was the crosswind.
- [NTSB FTW92DRA03](https://openairdocs.org/ntsb/FTW92DRA03.md): Schweizer G-164B · Bay City, TX · Accident · No injuries · Final report · Jun 20, 1992 · N8157K · Substantial damage
  > The pilot's inability to initiate a climb due to exceeding the takeoff capability of the airplane. A factor was the high grass on the airstrip.
- [NTSB FTW92LA131](https://openairdocs.org/ntsb/FTW92LA131.md): Air Tractor AT-401 · Taft, TX · Accident · No injuries · Limited investigation · Final report · May 13, 1992 · N1518V · 2 aircraft · Substantial damage
  > The pilot of the other airplane delayed compensation for turbulence. A factor was the turbulence.
- [NTSB FTW92LA094](https://openairdocs.org/ntsb/FTW92LA094.md): Grumman G-164A · Garwood, TX · Accident · No injuries · Limited investigation · Final report · Mar 18, 1992 · N5378 · Substantial damage
  > The loss of engine power due to rocker arm failure. A factor was the unsuitable terrain.
- [NTSB FTW92LA085](https://openairdocs.org/ntsb/FTW92LA085.md): Grumman G-164A · Valley Mills, TX · Accident · Minor injuries · Limited investigation · Final report · Mar 9, 1992 · N9828 · Substantial damage
  > Power loss due inadequate maintenance and the resultant multiple maintenance discrepancies. A factor was the wet terrain.
- [NTSB FTW91DRG03](https://openairdocs.org/ntsb/FTW91DRG03.md): Grumman G-164A · Weslaco, TX · Accident · Serious injuries · Final report · Jun 8, 1991 · N7445 · Destroyed
  > Failure of the pilot to maintain clearance.
- [NTSB FTW90DRA09](https://openairdocs.org/ntsb/FTW90DRA09.md): Grumman G-164A · Altair, TX · Accident · No injuries · Final report · Sep 14, 1990 · N6566 · Destroyed
  > The pilot's use of improper terrain for takeoff.
- [NTSB FTW90DRG04](https://openairdocs.org/ntsb/FTW90DRG04.md): Air Tractor AT-301 · Mission, TX · Accident · No injuries · Final report · Jul 2, 1990 · N3653W · Substantial damage
  > The pilot's failure to maintain proper clearance above the crops he was spraying. A factor was the tree induced mechanical turbulence encountered during the descending turn.
- [NTSB FTW90DPA07](https://openairdocs.org/ntsb/FTW90DPA07.md): Ayres S2R · Mcgregor, TX · Accident · No injuries · Final report · Jun 15, 1990 · N8472V · Substantial damage
  > The fuel exhaustion induced power loss, which resulted from the pilot's inaccurate fuel consumption calculations.
- [NTSB FTW90DRA05](https://openairdocs.org/ntsb/FTW90DRA05.md): Grumman 164-B · Garwood, TX · Accident · No injuries · Final report · May 25, 1990 · N9982 · Destroyed
  > The power loss due to super charger impeller failure.
- [NTSB FTW90DRA04](https://openairdocs.org/ntsb/FTW90DRA04.md): Grumman 164A · Garwood, TX · Accident · No injuries · Final report · Apr 20, 1990 · N5295 · Substantial damage
  > Failure of the number 8 cylinder.
- [NTSB FTW89DQG05](https://openairdocs.org/ntsb/FTW89DQG05.md): Schweizer G-164A · Sunray, TX · Accident · No injuries · Final report · Aug 11, 1989 · N7903 · Substantial damage
  > A total power loss for undetermined reasons. A factor was the rough uneven terrain in which the pilot had to make the forced landing.
- [NTSB FTW89DRG04](https://openairdocs.org/ntsb/FTW89DRG04.md): Schweizer G-164B · Austwell, TX · Accident · No injuries · Final report · Aug 2, 1989 · N7501Q · Substantial damage
  > Pilot's selection of an unsuitable landing area (terrain). High vegetation and rough terrain were contributing factors.
- [NTSB FTW89DRG08](https://openairdocs.org/ntsb/FTW89DRG08.md): Air Tractor AT-301 · Rio Hondo, TX · Accident · No injuries · Final report · Jun 27, 1989 · N4448S · Substantial damage
  > Improper compensation for wind conditions by the pilot. Factors related to the accident were the adverse wind conditions.
- [NTSB FTW89DRG05](https://openairdocs.org/ntsb/FTW89DRG05.md): Grumman-Schweizer G-164 · Edcouch, TX · Accident · No injuries · Final report · May 6, 1989 · N4591 · Substantial damage
  > Loss of engine power for an undetermined reason. The corn crop was a contributing factor.
- [NTSB FTW88DRA07](https://openairdocs.org/ntsb/FTW88DRA07.md): Grumman G-164B · Lissie, TX · Accident · No injuries · Final report · Apr 11, 1988 · N6620K · Destroyed
  > Acft experienced an eng failure shortly after t/o from a pvt strip. Acft had been recently refueled at the strip. On touchdown, the acft flipped over and slid to a stop. Investigation revealed water in the acft fuel tank and in the fuel supply tank.
- [NTSB FTW88DRA08](https://openairdocs.org/ntsb/FTW88DRA08.md): Grumman G-164 · Palacios, TX · Accident · No injuries · Final report · Apr 2, 1988 · N8150K · Substantial damage
  > The plt stated that following a normal landing, he applied too much brake, causing the wheels to lock up. This, in turn, caused dead grass and mud to accumulate in front of the wheels. The acft subsequently flipped over and slid to a stop inverted.
- [NTSB FTW88DRG07](https://openairdocs.org/ntsb/FTW88DRG07.md): Grumman G-164A · Alamo, TX · Accident · No injuries · Final report · Feb 26, 1988 · N4647 · Destroyed
  > The pilot experienced a total loss of engine power during climb when he made his initial power reduction. The power loss was accompanied by a loud bang. A severe postaccident ground fire melted a large portion of the engine. A partial engine teardown was…
- [NTSB FTW88DRG05](https://openairdocs.org/ntsb/FTW88DRG05.md): Air Tractor 301 · Circleville, TX · Accident · No injuries · Final report · Feb 17, 1988 · N3164Y · Substantial damage
  > The airplane was being ferried to a new location, and an en route refueling stop was planned. A low ceiling and low visibility set in and the pilot tried to extend the flight to a different town. The fuel was exhausted 6 miles short of a town. The airplane…
- [NTSB FTW87DRG05](https://openairdocs.org/ntsb/FTW87DRG05.md): Aero Commander S2R · La Joya, TX · Accident · No injuries · Final report · Jul 22, 1987 · N5510X · Substantial damage
  > During an aerial application flight at a low altitude the aircraft's engine failed. A forced landing was made to a grassfield resulting in substantial damage to the aircraft. Disassembly of the engine revealed partial failure of the left magneto. The aircraft…
- [NTSB FTW87DPA01](https://openairdocs.org/ntsb/FTW87DPA01.md): North American SNJ-5 · Mckinney, TX · Accident · Serious injuries · Final report · May 23, 1987 · N777HL · Substantial damage
  > The pilot reportedly made a normal touchdown in a calm wind condition. During the landing rollout,however, he applied excessive braking. This caused the tail wheel equipped aircraft to nose over into an inverted attitude.
- [NTSB FTW86LRG23](https://openairdocs.org/ntsb/FTW86LRG23.md): North American Rockwell S2-R · Mercedes, TX · Accident · No injuries · Final report · Jun 2, 1986 · N34956 · Substantial damage
  > The acft experienced a complete loss of eng power at an alt of 200 ft AGL shortly after takeoff. The plt was forced to land against the rows in a muddy cotton field. Shortly after touchdown, the acft flipped over. The exact nature of the eng failure was not…
- [NTSB FTW86FRG20](https://openairdocs.org/ntsb/FTW86FRG20.md): Air Tractor AT301 · Taylor, TX · Accident · No injuries · Final report · May 21, 1986 · N3168H · Substantial damage
  > Commercial pilot of an Air Tractor AT301 enroute to base of operations at Taylor, TX executed a forced landing after experiencing severe vibration in the aircraft. Landing was made to a soft field. The aircraft nosed over during landing roll and was…
- [NTSB FTW85LRA04](https://openairdocs.org/ntsb/FTW85LRA04.md): Rockwell S2R-600 · Rosharon, TX · Accident · Minor injuries · Final report · Aug 30, 1985 · N4012P · Substantial damage
  > The plt reported the acft contacted the ground after the left boom caught weeds during a spray run.
- [NTSB FTW85LA294](https://openairdocs.org/ntsb/FTW85LA294.md): North American AT-6 · Port Isabel, TX · Accident · No injuries · Limited investigation · Final report · Aug 3, 1985 · N4434N · Substantial damage
  > The acft was substantially damaged when it undershot the runway and cartwheeled during an emergency landing following an engine failure in the traffic pattern. The plt reported that initial examination of the engine revealed that initial examination of the…
- [NTSB FTW85LRA02](https://openairdocs.org/ntsb/FTW85LRA02.md): Air Tractor AT301 · Anahuac, TX · Accident · Serious injuries · Final report · May 17, 1985 · N1361E · Substantial damage
  > The acft collided with the ground after the engine reportedly lost power for an undetermined reason. Due to the low altitude while applying fertilizer the acft had to be landed in the path of flt.
- [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 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…

Next page: https://openairdocs.org/ntsb.md?engine=52016&state=TX&page=3

## 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."eventStateOrRegion" = 'TX' AND c."eventCountry" = 'USA'
  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&page=2&state=TX

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