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NTSB Report
June 5, 2017 · Air Tractor AT 802 A · N802NB
Prosser, WA
Overview
Report Status
Final with probable cause
Event Type
Accident
Date
June 5, 2017
Injury Outcomes
No injuries (1 uninjured)
Location
Prosser, WA
Aircraft
Air Tractor AT 802 A (2016)
Tail Number
N802NB
Operator
Air-Trac
Injuries
None
Aircraft Damage
Substantial
NTSB Number
GAA17CA323
The pilot of the tailwheel-equipped airplane reported that, during an agricultural application flight, about 800 ft into the takeoff roll on a gravel airstrip, he veered the airplane to the right to avoid hay bales that were stacked on the left side of the runway. He added that, as the airplane veered right, the right-wing spray boom encountered tall wheat, and the airplane exited the right side of the runway. Subsequently, the airplane came to rest nose down. The airplane sustained substantial damage to the left wing. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.
NTSB Probable Cause
The pilot’s abrupt maneuver to avoid hay bales during the takeoff roll, which resulted in a loss of directional control.
Full Narrative
The pilot of the tailwheel-equipped airplane reported that, during an aerial application flight, approximately 800 ft. into the takeoff roll on a gravel airstrip, he veered the airplane to the right to avoid hay bales that were stacked on the left side of the runway. He added that as the airplane veered right, the right-wing spray boom encountered tall wheat, and the airplane exited the right side of the runway. Subsequently, the airplane came to rest nose down. The airplane sustained substantial damage to the left wing. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.
Flight
Event TypeAccident
Event Time07:00 PDT
Nearest AirportSun Heaven Airstrip (0nm)
Flight Plan FiledNone
Flight Plan ActivatedNo
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftAir Tractor AT 802 A
Tail NumberN802NB
Aircraft CategoryAir
DamageSubstantial
OperatorAir-Trac
Operating RulePart 137
Engines1
Engine TypeTurboprop
Engine DetailsPratt & Whitney · PT6A-65AG · Turboprop
Seats1
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 43 · Second Class · None
Conditions
ConditionsVMC
LightDaylight
Wind210° @ 9 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point61 F / 45 C
Altimeter29.93 inHg
Observation Time13:53
Weather SourceWFAC