The helicopter pilot reported that, during the reloading operation for an agricultural spray flight, while boarding the helicopter positioned on top of the truck's platform, he saw that the load fill hose was not connected to the helicopter. However, prior to starting the helicopter, and unknown to the pilot, the groundcrew connected the hose. During takeoff, the helicopter rotated about 180º to the right, the helicopter's right skid struck the hood of the truck, the helicopter rolled to the right and impacted the terrain.

The helicopter sustained substantial damage to the main rotor system.

The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.