On June 5, 2017, an AIR TRACTOR INC AT 802 A operated by AIR-TRAC INC was involved in an aviation accident near Prosser, WA. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s abrupt maneuver to avoid hay bales during the takeoff roll, which resulted in a loss of directional control. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.
A tailwheel-equipped aerial application airplane veered right to avoid hay bales on a gravel airstrip, then the right wing spray boom struck tall wheat. The airplane exited the runway and came to rest nose down, sustaining substantial left wing damage.
Accident Details
According to the pilot, during an aerial application flight at about 800 feet into the takeoff roll on a gravel airstrip, he turned the airplane to the right to avoid hay bales stacked on the left side of the runway. As the airplane veered right, the right-wing spray boom encountered tall wheat growing adjacent to the runway, causing the airplane to exit the right side of the runway. The airplane subsequently came to rest in a nose-down attitude.
Damage
The airplane sustained substantial damage to the left wing. No other damage was reported.
Pilot Report
The pilot stated that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.
Contributing factors
Causes
Directional control — Not attained/maintainedPilot
Other contributing factors
Effect on operation
Related events
Same aircraft family
13 Sep 2026 — AIR TRACTOR INC AT-602 (Ford Flying Service INC)
29 Jul 2026 — AIR TRACTOR AT502
13 Jul 2026 — AIR TRACTOR AT802 (Heinen Brothers)
7 Jul 2026 — AIR TRACTOR INC AT-502B (Vector Disease Control International)
29 Jun 2026 — AIR TRACTOR AT502
16 Jun 2026 — AIR TRACTOR INC AT-502B (Kurtz Aviation LLC)
3 Jun 2026 — AIR TRACTOR INC AT-602 (Tri-Air Farms LLC)
30 May 2026 — AIR TRACTOR INC AT-602 (Basin Aviation INC)
5 May 2026 — AIR TRACTOR INC AT-602 (Sug-Air LLC)
1 May 2026 — AIR TRACTOR INC AT-602 (Eastern Aviation LLC)
16 Mar 2026 — AIR TRACTOR AT502B
14 Mar 2026 — AIR TRACTOR AT401
Frequently asked questions
What happened in the 5 Jun 2017 AIR TRACTOR INC AT 802 A accident near Prosser, WA?
A tailwheel-equipped aerial application airplane veered right to avoid hay bales on a gravel airstrip, then the right wing spray boom struck tall wheat. The airplane exited the runway and came to rest nose down, sustaining substantial left wing damage.
Were there any fatalities in the 5 Jun 2017 AIR TRACTOR INC AT 802 A accident?
No fatalities were recorded in this accident.
What aircraft was involved and where did it happen?
The accident on 5 Jun 2017 involved an AIR TRACTOR INC AT 802 A, operated by AIR-TRAC INC, at Prosser, WA.
What was the probable cause of the accident?
The pilot’s abrupt maneuver to avoid hay bales during the takeoff roll, which resulted in a loss of directional control.
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