# NTSB investigations: Pratt & Whitney R1340 series, 2009

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.

## Latest cases

- [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.
- [NTSB CEN09CA283](https://openairdocs.org/ntsb/CEN09CA283.md): Gulfstream-Schweizer A/C Gulfstream · Iowa, LA · Accident · No injuries · Data collection · Final report · May 7, 2009 · N8080K · Destroyed
  > A partial loss of engine power due to the Number 8 cylinder head cracking and separating from the barrel.
- [NTSB WPR09LA228](https://openairdocs.org/ntsb/WPR09LA228.md): Ayres S2R-T34 · Marysville, CA · Accident · Serious injuries · Limited investigation · Final report · May 6, 2009 · N40208 · 2 aircraft · Substantial damage
  > The failure of both pilots to see and avoid the other airplane while making their final approach for landing.
- [NTSB ERA09CA242](https://openairdocs.org/ntsb/ERA09CA242.md): North American SNJ · Bessemer, AL · Accident · No injuries · Data collection · Final report · Apr 14, 2009 · N269WB · Substantial damage
  > The pilot's failure to maintain aircraft control while landing with a crosswind.
- [NTSB CEN09LA239](https://openairdocs.org/ntsb/CEN09LA239.md): Air Tractor AT-301 · Corning, AR · Accident · No injuries · Limited investigation · Final report · Apr 7, 2009 · N36597 · Substantial damage
  > A loss of engine power due to the failure of the number one engine cylinder for undetermined reasons.
- [NTSB WPR09CA114](https://openairdocs.org/ntsb/WPR09CA114.md): Schweizer G-164B · Buttonwillow, CA · Accident · No injuries · Data collection · Final report · Feb 12, 2009 · N3626T · Substantial damage
  > A loss of engine power due to the number four cylinder base nuts becoming loose, allowing the cylinder to detach from the engine case. Contributing to the accident was the pilot's impaired visibility due to smoke during the forced landing.
- [NTSB CEN09CA151](https://openairdocs.org/ntsb/CEN09CA151.md): Schweizer G-164B · Ferriday, LA · Accident · No injuries · Data collection · Final report · Feb 1, 2009 · N3628T · Substantial damage
  > The pilot's loss of control following an impact with birds.
- [NTSB CEN09LA149](https://openairdocs.org/ntsb/CEN09LA149.md): North American T-6G · Cypress, TX · Accident · No injuries · Limited investigation · Final report · Jan 31, 2009 · N51KT · 2 aircraft · Minor damage
  > Both pilot's failure to see and avoid the other aircraft.
- [NTSB ERA09CA135](https://openairdocs.org/ntsb/ERA09CA135.md): North American SNJ-5 · Merritt Island, FL · Accident · No injuries · Data collection · Final report · Jan 16, 2009 · N7861B · Substantial damage
  > The pilot's failure to maintain aircraft control during landing in windy conditions.
- [NTSB WPR09LA085](https://openairdocs.org/ntsb/WPR09LA085.md): Air Tractor AT-301 · Beaver, UT · Accident · Minor injuries · Limited investigation · Final report · Jan 15, 2009 · N3170C · Substantial damage
  > A loss of engine power while maneuvering due to a sheared propeller blade's pitch change link. Contributing to the accident was lack of suitable terrain for the forced landing.

## 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 year(c."eventDate") = 2009
  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&year=2009

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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.