# 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 7 of 34 · 1,656 cases

## Cases, newest first

- [NTSB CHI07LA219](https://openairdocs.org/ntsb/CHI07LA219.md): North American T-6G · Fond Du Lac, WI · Accident · No injuries · Limited investigation · Final report · Jul 23, 2007 · N22NA · Substantial damage
  > The loss of engine power due to the failure of the engine's master connecting rod which resulted in the forced landing. The road sign was a factor.
- [NTSB CHI07CA230](https://openairdocs.org/ntsb/CHI07CA230.md): Gulfstream-Schweizer Gulfstream AM G-164B · Walnut Ridge, AR · Accident · Minor injuries · Data collection · Final report · Jul 23, 2007 · N8402K · Substantial damage
  > The pilot's improper decision to takeoff with a tailwind which resulted in a collision with terrain immediately after liftoff. Factors contributing to the accident were the tailwind and the levee.
- [NTSB CHI07LA221](https://openairdocs.org/ntsb/CHI07LA221.md): Grumman G-164A · Moline, IL · Accident · Serious injuries · Limited investigation · Final report · Jul 22, 2007 · N9828 · Destroyed
  > Fatigue failure of the engine cylinder during cruise flight resulting in a loss of engine power. Additional causes were the pilot's failure to maintain sufficient airspeed and the resulting inadvertent stall during the forced landing. A contributing factor…
- [NTSB CHI07CA220](https://openairdocs.org/ntsb/CHI07CA220.md): Schweizer G-164B · West Liberty, IA · Accident · Minor injuries · Data collection · Final report · Jul 20, 2007 · N8490K · Substantial damage
  > The pilot's inadvertent encounter with birds immediately after takeoff and the resulting loss of engine power. Contributing factors were the fence and ditch encountered during the overrun.
- [NTSB CHI07CA209](https://openairdocs.org/ntsb/CHI07CA209.md): Air Tractor AT-301 · Lignite, ND · Accident · Serious injuries · Data collection · Final report · Jul 15, 2007 · N8841S · Substantial damage
  > The pilot's poor in-flight planning and failure to maintain control of the airplane when he encountered his own vortex turbulence at a low altitude.
- [NTSB CHI07CA206](https://openairdocs.org/ntsb/CHI07CA206.md): Grumman G-164B · Alicia, AR · Accident · No injuries · Data collection · Final report · Jul 11, 2007 · N8066K · Substantial damage
  > A loss of engine power for undetermined reasons. Factors associated with the accident were the low altitude at which the loss of power occurred and the flooded rice field in which the airplane was landed.
- [NTSB DFW07LA148](https://openairdocs.org/ntsb/DFW07LA148.md): Air Tractor 301 · Lueders, TX · Accident · Serious injuries · Limited investigation · Final report · Jul 3, 2007 · N7305E · Destroyed
  > The pilot's failure to maintain airspeed which resulted in an inadvertent stall and subsequent impact with terrain.
- [NTSB CHI07CA188](https://openairdocs.org/ntsb/CHI07CA188.md): Air Tractor AT-301 · Walkerville, IL · Accident · No injuries · Data collection · Final report · Jun 30, 2007 · N5230S · Destroyed
  > The altitude/clearance not maintained by the pilot during the aerial application flight. The corn was a contributing factor.
- [NTSB CHI07LA173](https://openairdocs.org/ntsb/CHI07LA173.md): Air Tractor AT-301 · Fergus Falls, MN · Accident · Minor injuries · Limited investigation · Final report · Jun 20, 2007 · N23667 · Substantial damage
  > The propeller blade failure during climb due to a fatigue crack. The oil leak that obstructed the pilot's vision was a factor in the accident.
- [NTSB DFW07LA138](https://openairdocs.org/ntsb/DFW07LA138.md): Air Tractor AT-401 · Oak Grove, LA · Accident · No injuries · Limited investigation · Final report · Jun 6, 2007 · N92PK · Substantial damage
  > A complete loss of power due to failure of the impeller drive gear train and displacement of the blower spring drive mechanism, which resulted in seizure of the propeller shaft/crankshaft. Also causal was the failure of the phenolic separator bracket of the…
- [NTSB DFW07CA129](https://openairdocs.org/ntsb/DFW07CA129.md): Grumman G-164A · Sayre, OK · Accident · No injuries · Data collection · Final report · Jun 6, 2007 · N4673 · Substantial damage
  > The partial loss of engine power on takeoff-initial climb for an undetermined reason. A factor associated with the accident was the lack of suitable terrain for a forced landing.
- [NTSB CHI07LA162](https://openairdocs.org/ntsb/CHI07LA162.md): Aero Commander S2R · Watford City, ND · Accident · 1 fatal · Limited investigation · Final report · Jun 5, 2007 · N8835Q · Destroyed
  > The agricultural pilot's failure to maintain clearance from the terrain while maneuvering to avoid power lines. The power lines were a contributing factor in the accident.
- [NTSB CHI07CA163](https://openairdocs.org/ntsb/CHI07CA163.md): Schweizer G-164B · Walnut Ridge, AR · Accident · Minor injuries · Data collection · Final report · Jun 5, 2007 · N3627B · Substantial damage
  > The pilot's failure to maintain directional control of the airplane upon landing, which resulted in the airplane impacting a rice levee. The rice levee and the tailwind condition were contributing factors to the accident.
- [NTSB CHI07CA144](https://openairdocs.org/ntsb/CHI07CA144.md): Gulfstream-Schweizer Gulfstream AM G-164B · Walnut Ridge, AR · Accident · No injuries · Data collection · Final report · May 14, 2007 · N8402K · Substantial damage
  > A non-mechanical loss of engine power during the takeoff roll due to fuel contamination. An additional cause was the pilot's inadequate preflight inspection. A factor in the accident was the soft ground.
- [NTSB DEN07LA074](https://openairdocs.org/ntsb/DEN07LA074.md): North American SNJ-5 · Pueblo, CO · Accident · No injuries · Limited investigation · Final report · Mar 13, 2007 · N12KY · 2 aircraft · Minor damage
  > The pilot of the North American SNJ-5 warbird's inadequate visual lookout while taxiing, resulting in an on-ground collision with the stationary Grob motor glider.
- [NTSB DFW07CA081](https://openairdocs.org/ntsb/DFW07CA081.md): Gulfstream-Schweizer G-164B · Arcola, MS · Accident · No injuries · Data collection · Final report · Feb 23, 2007 · N8063K · Substantial damage
  > The pilot's failure to maintain clearance from trees while maneuvering during aerial application.
- [NTSB LAX07CA053](https://openairdocs.org/ntsb/LAX07CA053.md): North American AT-6C · Mojave, CA · Accident · No injuries · Data collection · Final report · Dec 7, 2006 · N9525C · Substantial damage
  > the pilot's failure to maintain adequate clearance from a sign while performing a low altitude maneuver.
- [NTSB ATL07CA018](https://openairdocs.org/ntsb/ATL07CA018.md): Grumman G-164B · Pine Hill, AL · Accident · No injuries · Data collection · Final report · Nov 9, 2006 · N962QC · Substantial damage
  > The pilot's improper fuel management resulting in a total loss of engine power in cruise flight due to fuel exhaustion, subsequent forced landing to non suitable terrain, and an on-ground collision with tree stumps on the landing roll out.
- [NTSB DFW06CA214](https://openairdocs.org/ntsb/DFW06CA214.md): Air Tractor 301 · Big Spring, TX · Accident · No injuries · Data collection · Final report · Sep 23, 2006 · N23260 · Substantial damage
  > A loss of engine power due to fuel exhaustion as result of the pilot's failure to refuel the airplane. A contributing factor was the lack of suitable terrain for a forced landing.
- [NTSB ANC06LA134](https://openairdocs.org/ntsb/ANC06LA134.md): de Havilland DHC-3 · Wainwright, AK · Accident · No injuries · Limited investigation · Final report · Sep 2, 2006 · N3125N · Substantial damage
  > The pilot's failure to adequately compensate for wind conditions during the landing roll, which resulted in a loss of control, and subsequent collision with a ditch when the airplane departed the runway. A factor contributing to the accident was a crosswind.
- [NTSB LAX06LA280](https://openairdocs.org/ntsb/LAX06LA280.md): Sikorsky S-55 · Paramount, CA · Accident · No injuries · Limited investigation · Final report · Aug 26, 2006 · N111VA · Substantial damage
  > the loss of engine power for undetermined reasons. A factor was the unsuitable terrain for the landing.
- [NTSB CHI06CA235](https://openairdocs.org/ntsb/CHI06CA235.md): Grumman-Schweizer G-164A · Gering, NE · Accident · No injuries · Data collection · Final report · Aug 10, 2006 · N48461 · Substantial damage
  > The pilot's failure to maintain clearance from the power lines during the aerial application flight. Factors were the low altitude and power lines.
- [NTSB ANC06LA103](https://openairdocs.org/ntsb/ANC06LA103.md): de Havilland DHC-3 · Juneau, AK · Accident · Serious injuries · Limited investigation · Final report · Jul 31, 2006 · N93356 · Substantial damage
  > The pilot's failure to maintain altitude/clearance during approach, which resulted in the airplane impacting the surface of the water. Factors associated with the accident were the flat-light and glassy water conditions, which affected the pilot's ability to…
- [NTSB CHI06CA222](https://openairdocs.org/ntsb/CHI06CA222.md): Rockwell S2R · Park Rapids, MN · Accident · Minor injuries · Data collection · Final report · Jul 30, 2006 · N7982V · Substantial damage
  > A loss of engine power for undetermined reasons and the inadequate airspeed during the forced landing which resulted in a stall/mush. A factor was the low altitude at which the airplane was being operated.
- [NTSB SEA06CA145](https://openairdocs.org/ntsb/SEA06CA145.md): Grumman-Schweizer G-164B · Lamont, WA · Accident · Minor injuries · Data collection · Final report · Jul 23, 2006 · N8376K · Substantial damage
  > The pilot's failure to maintain terrain clearance while maneuvering.
- [NTSB NYC06LA180](https://openairdocs.org/ntsb/NYC06LA180.md): Grumman G-164A · Vineland, NJ · Accident · Minor injuries · Limited investigation · Final report · Jul 23, 2006 · N6620Q · Substantial damage
  > A loss of engine power due to foreign object damage for undetermined reasons. Contributing to the accident was the furrowed field.
- [NTSB CHI06CA195](https://openairdocs.org/ntsb/CHI06CA195.md): Grumman G-164A · Lakeview, MI · Accident · No injuries · Data collection · Final report · Jul 20, 2006 · N5068 · Substantial damage
  > A loss of engine power for undetermined reasons. A factor associated with the accident was the low altitude at which the airplane was being operated when the loss of engine power occurred.
- [NTSB DEN06CA088](https://openairdocs.org/ntsb/DEN06CA088.md): Grumman-Schweizer G-164A · Cokeville, WY · Accident · Minor injuries · Data collection · Final report · Jun 14, 2006 · N9709 · Substantial damage
  > the pilot's failure to maintain directional control resulting in a ground loop. Contributing factors included the high winds and crosswind.
- [NTSB SEA06CA111](https://openairdocs.org/ntsb/SEA06CA111.md): North American SNJ-6 · American Falls, ID · Accident · No injuries · Data collection · Final report · Jun 4, 2006 · N45CK · Substantial damage
  > The pilot's performance of low altitude flight and his failure to maintain clearance with a power line, which resulted in an in-flight collision with the power line.
- [NTSB DFW06CA152](https://openairdocs.org/ntsb/DFW06CA152.md): Air Tractor AT-401 · Victoria, TX · Accident · No injuries · Data collection · Final report · Jun 3, 2006 · N9190B · Substantial damage
  > The pilot's delay in aborting the takeoff which resulted in an overrun. A contributing factor was the unfavorable wind.
- [NTSB SEA06CA117](https://openairdocs.org/ntsb/SEA06CA117.md): Ayres S-2R · Grand View, ID · Accident · No injuries · Data collection · Final report · Jun 2, 2006 · N5047X · Substantial damage
  > The pilot's inadvertent reduction of turbine engine power to the reverse position while landing on a desert road. A factor was the fence adjacent to the road.
- [NTSB DFW06LA130](https://openairdocs.org/ntsb/DFW06LA130.md): Grumman G-164A · DeWitt, AR · Accident · 1 fatal · Limited investigation · Final report · May 18, 2006 · N6629 · 2 aircraft · Substantial damage
  > The failure by both pilots to maintain adequate visual lookout and the Grumman G-164A pilot's impairment caused by the recent use of marijuana.
- [NTSB ANC06CA039](https://openairdocs.org/ntsb/ANC06CA039.md): Grumman-Schweizer G-164A · Dixon, CA · Accident · No injuries · Data collection · Final report · Mar 30, 2006 · N5397 · Substantial damage
  > The pilot's failure to attain altitude/clearance during takeoff/initial climb, which resulted in an in-flight collision with terrain. Factors associated with the accident were the pilot's inadequate evaluation of the weather, and unfavorable winds.
- [NTSB DEN05LA143](https://openairdocs.org/ntsb/DEN05LA143.md): North American SNJ-5 · Torrington, WY · Accident · No injuries · Limited investigation · Final report · Sep 19, 2005 · N212TC · Substantial damage
  > failure of the #7 connecting rod, causing engine seizure. A contributing factor was the berm.
- [NTSB SEA05LA192](https://openairdocs.org/ntsb/SEA05LA192.md): North American AT-6D · Chehalis, WA · Accident · No injuries · Limited investigation · Final report · Sep 9, 2005 · N3617F · Substantial damage
  > The pilot's failure to follow the checklist to switch to the fullest fuel tank prior to departure which resulted in fuel starvation and a loss of engine power during the initial takeoff climb. Subsequently, the aircraft landed hard damaging the landing gear…
- [NTSB DFW05IA222](https://openairdocs.org/ntsb/DFW05IA222.md): Air Tractor AT-401 · Winnie, TX · Incident · No injuries · Incident investigation · Final report · Aug 19, 2005 · N4545W · Minor damage
  > The loss of engine power due to the failure of the second-stage turbine wheel as a result of low cycle fatigue.
- [NTSB CHI05LA229](https://openairdocs.org/ntsb/CHI05LA229.md): Grumman G-164A · Marshalltown, IA · Accident · No injuries · Limited investigation · Final report · Aug 12, 2005 · N9632 · Substantial damage
  > The loss of engine power for undetermined reasons during initial climb and the unsuitable landing area encountered by the pilot during a forced landing.
- [NTSB NYC05LA129](https://openairdocs.org/ntsb/NYC05LA129.md): Grumman-Schweizer G-164A · Penn Yan, NY · Accident · No injuries · Limited investigation · Final report · Aug 6, 2005 · N48395 · Substantial damage
  > The loss of engine power due to a fatigue fractured pushrod.
- [NTSB CHI05LA211](https://openairdocs.org/ntsb/CHI05LA211.md): Grumman G-164A · Buchanan, ND · Accident · Serious injuries · Limited investigation · Final report · Aug 4, 2005 · N6858Q · Destroyed
  > The pilot failed to maintain obstacle clearance from the power lines. Factors included the glare on the windshield and the power lines.
- [NTSB NYC05LA126](https://openairdocs.org/ntsb/NYC05LA126.md): Grumman G-164A · Felton, DE · Accident · No injuries · Limited investigation · Final report · Aug 1, 2005 · N5495 · Substantial damage
  > The mechanic's inadequate annual inspection, and failure to comply with an airworthiness directive, which resulted in a total failure of the second stage turbine rotor.
- [NTSB CHI05CA207](https://openairdocs.org/ntsb/CHI05CA207.md): Allied Ag Cat Productions G-164A · Trufant, MI · Accident · No injuries · Data collection · Final report · Jul 31, 2005 · N8951H · Substantial damage
  > The pilot's inadequate visual lookout and not maintaining clearance from the watering pivot during the aerial application maneuver and the unsuitable terrain he encountered during the emergency landing. A factor was the sunglare encountered.
- [NTSB DFW05CA186](https://openairdocs.org/ntsb/DFW05CA186.md): Grumman-Schweizer G-164A · Tallulah, LA · Accident · Minor injuries · Data collection · Final report · Jul 21, 2005 · N8891H · Substantial damage
  > The partial loss of engine power as result of the fracture of the number five-cylinder exhaust valve rocker arm mounting boss. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB CHI05LA188](https://openairdocs.org/ntsb/CHI05LA188.md): Air Tractor AT-301 · Langdon, ND · Accident · 1 fatal · Limited investigation · Final report · Jul 15, 2005 · N3159N · Destroyed
  > The pilot's failure to maintain clearance from the terrain while attempting an abrupt turning maneuver at a low altitude.
- [NTSB CHI05CA183](https://openairdocs.org/ntsb/CHI05CA183.md): Rockwell S-2R · Guelph, ND · Accident · Serious injuries · Data collection · Final report · Jul 12, 2005 · N4232X · Substantial damage
  > The pilot's failure to maintain clearance to the guy wire during the agricultural application pass. Contributing factors were the guy wire, and low altitude flight.
- [NTSB DFW05CA177](https://openairdocs.org/ntsb/DFW05CA177.md): Grumman-Schweizer G-164C · Gillett, AR · Accident · No injuries · Data collection · Final report · Jul 1, 2005 · N6626K · Substantial damage
  > The loss of engine power resulting from a disconnected discharge pressure line at the fuel control unit. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB SEA05LA126](https://openairdocs.org/ntsb/SEA05LA126.md): Rockwell S-2R · Mountain Home, ID · Accident · No injuries · Limited investigation · Final report · Jun 24, 2005 · N4865X · Substantial damage
  > The pilot's inadequate in-flight decision by failing to refuel resulting in fuel exhaustion during cruise flight and the loss of engine power. A vehicle was a factor in the on ground collision.
- [NTSB DFW05LA175](https://openairdocs.org/ntsb/DFW05LA175.md): North American T-28B · Abilene, TX · Accident · No injuries · Limited investigation · Final report · Jun 24, 2005 · N9060F · 2 aircraft · Substantial damage
  > The pilot's failure to maintain clearance while taxiing. Contributing factors were the pilot's diverted attention and the inaccurate frequency listing for ground control.
- [NTSB DFW05CA166](https://openairdocs.org/ntsb/DFW05CA166.md): Rockwell International S-2R · Watson, AR · Accident · No injuries · Data collection · Final report · Jun 11, 2005 · N8856Q · Substantial damage
  > The loss of engine power for undetermined reasons and the pilot's failure to maintain adequate airspeed which resulted in a stall.
- [NTSB DFW05LA147](https://openairdocs.org/ntsb/DFW05LA147.md): Grumman G-164B · Lake Charles, LA · Accident · No injuries · Limited investigation · Final report · Jun 4, 2005 · N6832K · Substantial damage
  > The failure of the propeller governor which resulted in a forced landing. A contributing factor was the transmission wire.
- [NTSB ATL05FA079](https://openairdocs.org/ntsb/ATL05FA079.md): North American SNJ-6 · Kissimmee, FL · Accident · 2 fatal · Field investigation · Final report · May 9, 2005 · N453WA · Substantial damage
  > The failure of the outboard right-wing lower attachment bracket due to fatigue cracking and the subsequent in-flight separation of the right wing assembly.

Next page: https://openairdocs.org/ntsb.md?engine=52016&page=8

## 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=7

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