# NTSB investigations: Pratt & Whitney PT6A series, 2012

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 CEN13FA080](https://openairdocs.org/ntsb/CEN13FA080.md): Cessna 208B · Bryans Corner, OK · Accident · Minor injuries · Field investigation · Final report · Nov 30, 2012 · N1324G · Substantial damage
  > The total loss of engine power as a result of a fractured compressor turbine blade due to fatigue cracking.
- [NTSB CEN13FA049](https://openairdocs.org/ntsb/CEN13FA049.md): Cessna 208B · Wichita, KS · Accident · 1 fatal · Field investigation · Final report · Nov 6, 2012 · N793FE · Substantial damage
  > The total loss of engine power as a result of a fractured compressor turbine blade due to high-cycle fatigue.
- [NTSB CEN13CA043](https://openairdocs.org/ntsb/CEN13CA043.md): Fairchild Heli-Porter Pilatus PC6/B1A-H2 · Georgetown, OH · Accident · Minor injuries · Data collection · Final report · Nov 3, 2012 · N476XP · Substantial damage
  > The pilot's improper recovery from a bounced landing, which resulted in a loss of control.
- [NTSB ERA12CA581](https://openairdocs.org/ntsb/ERA12CA581.md): Cessna 208B · Statesboro, GA · Accident · No injuries · Data collection · Final report · Sep 26, 2012 · N127AR · Substantial damage
  > The pilot’s inadequate flare, which resulted in a hard landing.
- [NTSB WPR12LA433](https://openairdocs.org/ntsb/WPR12LA433.md): Air Tractor AT-502 · Firebaugh, CA · Accident · No injuries · Limited investigation · Final report · Sep 22, 2012 · N4556S · Substantial damage
  > The pilot’s decision to continue the takeoff after the engine stopped producing its full-rated torque while operating in high-density altitude conditions and his subsequent failure to maintain clearance from the power transmission wires.
- [NTSB ERA12CA517](https://openairdocs.org/ntsb/ERA12CA517.md): Air Tractor AT-402B · Gum Neck, NC · Accident · No injuries · Data collection · Final report · Aug 17, 2012 · N5127T · Substantial damage
  > The pilot's failure to maintain airplane control during the takeoff roll. Contributing to the accident was the rough condition of the runway.
- [NTSB CEN12CA568](https://openairdocs.org/ntsb/CEN12CA568.md): Air Tractor AT-502B · Bogata, TX · Accident · No injuries · Data collection · Final report · Aug 17, 2012 · N6047G · Substantial damage
  > The pilot’s inadequate preflight planning, which resulted in the airplane’s loading beyond its maximum gross weight.
- [NTSB CEN12FA521](https://openairdocs.org/ntsb/CEN12FA521.md): Ayres S2R-T34 · Lakin, KS · Accident · No injuries · Field investigation · Final report · Aug 6, 2012 · N365SM · Substantial damage
  > The pilot's failure to maintain clearance from the corn during an aerial application flight.
- [NTSB CEN12LA500](https://openairdocs.org/ntsb/CEN12LA500.md): Air Tractor AT-502B · Newellton, LA · Accident · No injuries · Limited investigation · Final report · Aug 1, 2012 · N5128U · Substantial damage
  > The pilot's inadequate takeoff planning and his use of an improper flap setting, which resulted in a runway excursion and collision with terrain during takeoff.
- [NTSB WPR12FA332](https://openairdocs.org/ntsb/WPR12FA332.md): Piaggio P180 · Henderson, NV · Accident · No injuries · Field investigation · Final report · Jul 28, 2012 · N146SL · Substantial damage
  > The failure of maintenance personnel to properly torque the elevator attachment hardware in accordance with the maintenance manual, which led to the detachment of the elevator. Contributing to the accident were maintenance personnel's failure to identify the…
- [NTSB CEN12LA459](https://openairdocs.org/ntsb/CEN12LA459.md): Air Tractor AT-502B · Wisner, LA · Accident · Serious injuries · Limited investigation · Final report · Jul 18, 2012 · N205SK · Substantial damage
  > The pilot’s inadequate takeoff planning that did not consider the reduced acceleration due to a rough, turf runway and his use of an improper flap setting, which resulted in a collision with terrain during takeoff.
- [NTSB ERA12LA435](https://openairdocs.org/ntsb/ERA12LA435.md): Piper PA-42 · Charleston, WV · Accident · No injuries · Limited investigation · Final report · Jul 9, 2012 · N332SM · Substantial damage
  > The airplane’s encounter with a gravity-wave duct atmospheric phenomenon.
- [NTSB CEN12LA323](https://openairdocs.org/ntsb/CEN12LA323.md): Thrush S2RHG-T65 · Alicia, AR · Accident · No injuries · Limited investigation · Final report · May 25, 2012 · N40475 · 2 aircraft · Substantial damage
  > The pilot of the Thrush did not execute a go-around prior to landing, which resulted in excessive ground speed after touchdown, and his subsequent loss of directional control, which resulted in a collision with the Air Tractor.
- [NTSB CEN12FA312](https://openairdocs.org/ntsb/CEN12FA312.md): Air Tractor AT-802A · Sedgwick, AR · Accident · 1 fatal · Field investigation · Final report · May 23, 2012 · N4126T · 2 aircraft · Substantial damage
  > The inability of both pilots to see and avoid the other airplane, which resulted in a midair collision. Contributing to the accident was the distraction of the Air Tractor pilot by a cellular telephone conversation during the flight.
- [NTSB WPR12LA220](https://openairdocs.org/ntsb/WPR12LA220.md): Grumman G 164D · Nicolaus, CA · Accident · 1 fatal · Limited investigation · Final report · May 21, 2012 · N8267K · Substantial damage
  > The pilot’s failure to maintain airplane control during a low-altitude maneuver.
- [NTSB CEN12LA310](https://openairdocs.org/ntsb/CEN12LA310.md): Air Tractor AT-602 · Humnoke, AR · Accident · No injuries · Limited investigation · Final report · May 19, 2012 · N85239 · Substantial damage
  > The pilot’s failure to attain the proper touchdown point, which resulted in a landing undershoot.
- [NTSB WPR12TA445](https://openairdocs.org/ntsb/WPR12TA445.md): Beech C90 · Boise, ID · Accident · No injuries · Final report · May 10, 2012 · N14CP · Substantial damage
  > Excessive loading on the left wing, which occurred over a period of time. Contributing to the accident was maintenance personnel’s failure to adequately inspect and document the left wing damage.
- [NTSB CEN12CA301](https://openairdocs.org/ntsb/CEN12CA301.md): Air Tractor AT-502B · El Campo, TX · Accident · No injuries · Data collection · Final report · May 7, 2012 · N5016P · Substantial damage
  > The pilot's decision to rotate early, the airplane’s subsequent inability to climb, and the pilot’s delayed decision to abort the takeoff.
- [NTSB CEN12LA236](https://openairdocs.org/ntsb/CEN12LA236.md): Ayres S2R-T15 · Lakin, KS · Accident · Serious injuries · Limited investigation · Final report · Apr 9, 2012 · N64DX · Substantial damage
  > The pilot did not maintain sufficient airspeed while maneuvering, which resulted in an aerodynamic stall at a low altitude.
- [NTSB CEN12CA221](https://openairdocs.org/ntsb/CEN12CA221.md): Air Tractor AT-402A · Ganado, TX · Accident · No injuries · Data collection · Final report · Apr 2, 2012 · N4544S · Substantial damage
  > The improper positioning of the hopper vent, which allowed chemicals to escape and cover the airplane's windshield.
- [NTSB ENG12IA024](https://openairdocs.org/ntsb/ENG12IA024.md): Beech 1900D · Hays, KS · Incident · No injuries · Incident investigation · Final report · Mar 13, 2012 · N178YV · Minor damage
  > A failure of the nose landing gear end cap due to fatigue. Contributing to the failure were the ineffective inspection and the unknown effect of grain direction on fatigue life.

## 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") = 2012
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52032', '52034'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52032&year=2012

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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.