# 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 5 of 34 · 1,656 cases

## Cases, newest first

- [NTSB CEN11LA484](https://openairdocs.org/ntsb/CEN11LA484.md): Schweizer G-164B · Cash, AR · Accident · No injuries · Limited investigation · Final report · Jun 11, 2011 · N3629C · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB WPR11CA252](https://openairdocs.org/ntsb/WPR11CA252.md): Air Tractor AT-502B · Odessa, WA · Accident · No injuries · Data collection · Final report · Jun 7, 2011 · N6072X · 2 aircraft · Minor damage
  > The pilot's failure to maintain clearance from the other aircraft.
- [NTSB WPR11LA238](https://openairdocs.org/ntsb/WPR11LA238.md): Grumman G-164A · Hazelton, ID · Accident · No injuries · Limited investigation · Final report · May 28, 2011 · N9724 · Substantial damage
  > A total loss of engine power during low-level maneuvering due to an excessively worn carburetor.
- [NTSB WPR11CA229](https://openairdocs.org/ntsb/WPR11CA229.md): Rockwell International S-2R · Kahlotus, WA · Accident · No injuries · Data collection · Final report · May 18, 2011 · N4996X · Substantial damage
  > The pilot's failure to maintain directional control during takeoff.
- [NTSB CEN11CA330](https://openairdocs.org/ntsb/CEN11CA330.md): Air Tractor AT-301 · Garwood, TX · Accident · No injuries · Data collection · Final report · May 10, 2011 · N5097S · Substantial damage
  > The pilot's failure to maintain adequate clearance from transmission wires during a low-level maneuvering flight.
- [NTSB CEN11CA174](https://openairdocs.org/ntsb/CEN11CA174.md): Gulfstream-Schweizer A/C Gulfstream AM G-164B · Walnut Ridge, AR · Accident · No injuries · Data collection · Final report · May 10, 2011 · N8402K · Substantial damage
  > The pilot's failure to maintain directional control while landing with a left quartering tailwind and wind gusts.
- [NTSB CEN11LA335](https://openairdocs.org/ntsb/CEN11LA335.md): Grumman Acft ENG Cor-Schweizer G-164A · Bono, AR · Accident · No injuries · Limited investigation · Final report · May 9, 2011 · N8930H · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB WPR11CA198](https://openairdocs.org/ntsb/WPR11CA198.md): Grumman G-164 · Princeton, CA · Accident · No injuries · Data collection · Final report · May 4, 2011 · N716Y · Substantial damage
  > The pilot’s failure to maintain adequate airspeed while maneuvering, resulting in an aerodynamic stall and collision with terrain.
- [NTSB CEN11CA301](https://openairdocs.org/ntsb/CEN11CA301.md): Ayres S2R-R1340 · Estelline, SD · Accident · No injuries · Data collection · Final report · Apr 25, 2011 · N3104S · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during takeoff.
- [NTSB WPR11CA128](https://openairdocs.org/ntsb/WPR11CA128.md): Schweizer G-164B · Buttonwillow, CA · Accident · No injuries · Data collection · Final report · Feb 5, 2011 · N6725K · Substantial damage
  > The pilot's failure to maintain clearance from an irrigation vent pipe.
- [NTSB CEN11CA006](https://openairdocs.org/ntsb/CEN11CA006.md): Rockwell International S-2R · Texarkana, AR · Accident · No injuries · Data collection · Final report · Oct 5, 2010 · N8432V · Substantial damage
  > The loss of engine power due to cracked engine cylinder.
- [NTSB CEN10LA555](https://openairdocs.org/ntsb/CEN10LA555.md): Aero Commander S2R · Pocahontas, AR · Accident · Serious injuries · Limited investigation · Final report · Sep 23, 2010 · N8820Q · Destroyed
  > The pilot's failure to abort the takeoff in a timely manner. Contributing to the accident was the weight of the airplane and the high ambient temperature.
- [NTSB CEN10CA553](https://openairdocs.org/ntsb/CEN10CA553.md): Gulfstream-Schweizer A/C Gulfstream AM G-164B · Blessing, TX · Accident · Serious injuries · Data collection · Final report · Sep 21, 2010 · N8157K · Substantial damage
  > The pilot's failure to maintain clearance from wires while maneuvering.
- [NTSB CEN10CA582](https://openairdocs.org/ntsb/CEN10CA582.md): Air Tractor AT-301 · Atkins, AR · Accident · No injuries · Data collection · Final report · Sep 17, 2010 · N2309F · Substantial damage
  > A partial loss of engine power during low-altitude flight for undetermined reasons.
- [NTSB WPR10CA444](https://openairdocs.org/ntsb/WPR10CA444.md): Schweizer 164B · Murtaugh, ID · Accident · Minor injuries · Data collection · Final report · Sep 2, 2010 · N7502Y · Substantial damage
  > The pilot’s inadequate compensation for the wind and failure to maintain directional control during the takeoff roll.
- [NTSB WPR10CA410](https://openairdocs.org/ntsb/WPR10CA410.md): Gulfstream-Schweizer A/C Gulfstream AM G-164B · Genesee, ID · Accident · No injuries · Data collection · Final report · Aug 18, 2010 · N8150K · Substantial damage
  > The pilot’s failure to maintain clearance from terrain during low-altitude maneuvering.
- [NTSB WPR10LA396](https://openairdocs.org/ntsb/WPR10LA396.md): Grumman G164 · Tracy, CA · Accident · No injuries · Limited investigation · Final report · Aug 11, 2010 · N6781K · Substantial damage
  > A total loss of engine power while maneuvering due to an internal catastrophic failure to the master rod and piston connecting rod links.
- [NTSB ANC10MA068](https://openairdocs.org/ntsb/ANC10MA068.md): Dehavilland DHC-3 · Aleknagik, AK · Accident · 5 fatal · Class 1 · Major · Final report · Aug 9, 2010 · N455A · Substantial damage
  > The pilot's temporary unresponsiveness for reasons that could not be established from the available information. Contributing to the investigation's inability to determine exactly what occurred in the final minutes of the flight was the lack of a cockpit…
- [NTSB WPR10LA365](https://openairdocs.org/ntsb/WPR10LA365.md): Schweizer G-164B · Prescott, WA · Accident · No injuries · Limited investigation · Final report · Jul 21, 2010 · N7502A · Substantial damage
  > The airplane’s inability to maintain a positive rate of climb after takeoff for undetermined reasons. Contributing to the accident was the pilot’s delayed reaction to initiate an emergency release of the spray mixture.
- [NTSB CEN10LA420](https://openairdocs.org/ntsb/CEN10LA420.md): Air Tractor AT-401 · Toulin, IL · Accident · No injuries · Limited investigation · Final report · Jul 21, 2010 · N45297 · Substantial damage
  > A partial loss of engine power as a result of a cracked cylinder and the reduced visibility due to the oil-covered windshield.
- [NTSB CEN10CA412](https://openairdocs.org/ntsb/CEN10CA412.md): Air Tractor AT-301 · Edmore, ND · Accident · No injuries · Data collection · Final report · Jul 17, 2010 · N8774S · Substantial damage
  > The pilot's selection of unsuitable terrain for landing.
- [NTSB CEN10CA402](https://openairdocs.org/ntsb/CEN10CA402.md): Grumman Acft ENG Cor-Schweizer G-164B · Independence, IA · Accident · No injuries · Data collection · Final report · Jul 13, 2010 · N8260K · Substantial damage
  > The pilot's failure to pay attention to the power lines and his subsequent failure to maintain clearance from the corn field during the aerial application flight.
- [NTSB WPR10CA332](https://openairdocs.org/ntsb/WPR10CA332.md): Air Tractor AT-301 · Garfield, WA · Accident · No injuries · Data collection · Final report · Jul 6, 2010 · N8878S · Substantial damage
  > A loss of engine power due to fuel exhaustion.
- [NTSB CEN10LA338](https://openairdocs.org/ntsb/CEN10LA338.md): Pilatus P3-05 · Canby, MN · Accident · No injuries · Limited investigation · Final report · Jun 20, 2010 · N831AS · 2 aircraft · Substantial damage
  > The North American's pilot's failure to maintain adequate visual lookout, which resulted in an on-ground collision with the Pilatus.
- [NTSB ERA10CA329](https://openairdocs.org/ntsb/ERA10CA329.md): North American SNJ-4 · Suffolk, VA · Accident · No injuries · Data collection · Final report · Jun 17, 2010 · N43NA · Substantial damage
  > The pilot's failure to maintain directional control during the landing.
- [NTSB ERA10CA313](https://openairdocs.org/ntsb/ERA10CA313.md): Grumman Acft ENG Cor-Schweizer G-164B · Mayfield, KY · Accident · Serious injuries · Data collection · Final report · Jun 16, 2010 · N6780K · Substantial damage
  > The pilot's improper recovery from a bounced landing, resulting in a nose-over.
- [NTSB WPR10LA253](https://openairdocs.org/ntsb/WPR10LA253.md): Schweizer G-164B · Robbins, CA · Accident · Serious injuries · Limited investigation · Final report · May 21, 2010 · N3633C · Substantial damage
  > The failure of the wheel hub flange, which allowed the over size tire to expand and impinge on the brake disc and caliper, which resulted in a loss of control during the landing.
- [NTSB CEN10LA236](https://openairdocs.org/ntsb/CEN10LA236.md): Aero Commander S2R · DeWitt, AR · Accident · 1 fatal · Limited investigation · Final report · May 3, 2010 · N5531X · Substantial damage
  > The pilot did not maintain clearance from terrain for undetermined reasons.
- [NTSB WPR10LA214](https://openairdocs.org/ntsb/WPR10LA214.md): Grumman Acft ENG Cor-Schweizer G-164A · Madera, CA · Accident · No injuries · Limited investigation · Final report · Apr 23, 2010 · N4450 · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB CEN10CA201](https://openairdocs.org/ntsb/CEN10CA201.md): Grumman G-164B · Forest City, MO · Accident · No injuries · Data collection · Final report · Apr 8, 2010 · N993QC · Substantial damage
  > The pilot's failure to maintain aircraft control during landing, which resulted in an encounter with wet/muddy terrain and a subsequent nose over.
- [NTSB CEN10CA185](https://openairdocs.org/ntsb/CEN10CA185.md): Air Tractor AT-301 · Malden, MO · Accident · Minor injuries · Data collection · Final report · Apr 2, 2010 · N3653T · Substantial damage
  > The pilot's failure to maintain clearance from a tree during an aerial application flight.
- [NTSB WPR10FA162](https://openairdocs.org/ntsb/WPR10FA162.md): North American AT6 · Bakersfield, CA · Accident · 2 fatal · Field investigation · Final report · Mar 17, 2010 · N75AG · Substantial damage
  > The pilots did not maintain clearance from terrain for undetermined reasons.
- [NTSB ERA10FA163](https://openairdocs.org/ntsb/ERA10FA163.md): North American T6 · Santa Rosa Beach, FL · Accident · 2 fatal · Field investigation · Final report · Mar 6, 2010 · N47LF · Destroyed
  > The pilot's failure to maintain airspeed during a low altitude,over water aerobatic maneuver, which resulted in an aggravated stall/spin. Contributing to the accident were the pilot's loss of situational awareness and his decision to perform aerobatics at a…
- [NTSB WPR10LA125](https://openairdocs.org/ntsb/WPR10LA125.md): Schweizer G164B · Byron, CA · Accident · No injuries · Limited investigation · Final report · Feb 23, 2010 · N8494K · Substantial damage
  > A loss of engine power due to carburetor icing as a result of the pilot's failure to use carburetor heat.
- [NTSB WPR10CA052](https://openairdocs.org/ntsb/WPR10CA052.md): North American T6-G · Carson City, NV · Accident · No injuries · Data collection · Final report · Nov 8, 2009 · N48N · Substantial damage
  > The pilot's failure to maintain directional control during landing.
- [NTSB CEN09LA574](https://openairdocs.org/ntsb/CEN09LA574.md): Grumman Acft ENG Cor-Schweizer G-164A · Kimball, NE · Accident · No injuries · Limited investigation · Final report · Sep 8, 2009 · N6761Q · Substantial damage
  > A loss of engine power due to improper installation of an oil line fitting resulting in oil depletion.
- [NTSB CEN09LA602](https://openairdocs.org/ntsb/CEN09LA602.md): Air Tractor AT-301A · New Miner, WI · Accident · Minor injuries · Limited investigation · Final report · Aug 22, 2009 · N3651R · Substantial damage
  > A total loss of engine power due to the fatigue failure of the engine torsion shaft. Contributing to the accident was the chrome plating of the shaft by an undetermined maintenance/overhaul facility.
- [NTSB CEN09CA535](https://openairdocs.org/ntsb/CEN09CA535.md): Air Tractor AT-301 · Leland, IL · Accident · No injuries · Data collection · Final report · Aug 17, 2009 · N73102 · Substantial damage
  > A total loss of engine power in flight due to a loss of engine oil as a result of the separation of the propeller hub components for undetermined reasons.
- [NTSB CEN09CA522](https://openairdocs.org/ntsb/CEN09CA522.md): Grumman Acft ENG Cor-Schweizer G-164A · Evansville, WI · Accident · No injuries · Data collection · Final report · Aug 12, 2009 · N9794 · Substantial damage
  > A jam of the elevator flight control for undetermined reasons.
- [NTSB CEN09CA516](https://openairdocs.org/ntsb/CEN09CA516.md): Grumman Acft ENG Cor-Schweizer G-164A · Harlan, IA · Accident · No injuries · Data collection · Final report · Aug 10, 2009 · N4598 · Substantial damage
  > The pilot's failure to perform accurate weight and balance calculations which resulted in exceeding the maximum takeoff weight and the airplane's climb capability.
- [NTSB CEN09CA514](https://openairdocs.org/ntsb/CEN09CA514.md): Air Tractor AT-301 · DeWitt, IL · Accident · Minor injuries · Data collection · Final report · Aug 10, 2009 · N5018S · Substantial damage
  > The pilot's failure to maintain clearance from the tree during the aerial application maneuver.
- [NTSB CEN09LA503](https://openairdocs.org/ntsb/CEN09LA503.md): Air Tractor AT401 · Waterloo, IA · Accident · No injuries · Limited investigation · Final report · Aug 4, 2009 · N60747 · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB WPR09LA374](https://openairdocs.org/ntsb/WPR09LA374.md): Air Tractor AT-301 · Firebaugh, CA · Accident · No injuries · Limited investigation · Final report · Jul 29, 2009 · N23189 · Substantial damage
  > A total loss of engine power due to fuel exhaustion that was due to the failure of company ground personnel to refuel the airplane. Contributing to the accident was unsuitable terrain for a forced landing.
- [NTSB WPR09LA457](https://openairdocs.org/ntsb/WPR09LA457.md): North American AT-6G · Ely, NV · Accident · No injuries · Limited investigation · Final report · Jul 28, 2009 · N555Q · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll.
- [NTSB ANC09LA065](https://openairdocs.org/ntsb/ANC09LA065.md): Noorduyn UC-64A · Akiachak, AK · Accident · No injuries · Limited investigation · Final report · Jul 11, 2009 · N225BL · Substantial damage
  > The loss of engine power due to the failure of a crankshaft component, resulting in an off-airport landing.
- [NTSB CEN09LA451](https://openairdocs.org/ntsb/CEN09LA451.md): Grumman Acft ENG Cor-Schweizer G-164B · Beaman, IA · Accident · No injuries · Limited investigation · Final report · Jul 10, 2009 · N6683K · Substantial damage
  > The loss of engine power during initial climb for undetermined reasons.
- [NTSB CEN09FA425](https://openairdocs.org/ntsb/CEN09FA425.md): North American SNJ-5 · Simla, CO · Accident · 1 fatal · Field investigation · Final report · Jul 9, 2009 · N212TC · Destroyed
  > The pilot’s failure to maintain control of the airplane while practicing aerobatic maneuvers and his subsequent failure to recover from an inadvertent spin.
- [NTSB ERA09LA385](https://openairdocs.org/ntsb/ERA09LA385.md): Air Tractor AT-301 · Brinson, GA · Accident · 1 fatal · Limited investigation · Final report · Jul 7, 2009 · N8587S · Substantial damage
  > The pilot's failure to maintain adequate airspeed while maneuvering, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's lack of experience in the make and model airplane.
- [NTSB WPR09LA270](https://openairdocs.org/ntsb/WPR09LA270.md): Grumman G-164A · Yerington, NV · Accident · Minor injuries · Limited investigation · Final report · Jun 18, 2009 · N9723 · Substantial damage
  > The pilot's failure to maintain aircraft control while maneuvering during an aerial application flight.
- [NTSB CEN09LA355](https://openairdocs.org/ntsb/CEN09LA355.md): Aero Commander S2R · Cordova, IL · Accident · 1 fatal · Limited investigation · Final report · Jun 12, 2009 · N1734S · Destroyed
  > The pilot’s failure to maintain clearance with terrain after clearing an obstacle during an agricultural application pass.

Next page: https://openairdocs.org/ntsb.md?engine=52016&page=6

## 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=5

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