STE] Using the knob on the tip of the antenna, pull the antenna sections out until the antenna is fully extended, Antenna Turn the ON/OFF switch on the hovercraft to "ON, NOTE: Engine will not start until unit you turn the controller/charger “ON. (see step 4) STEPS. Place the hovercraft on the ground in the area you wish to drive, NOTE: The B/C Hovercraft is designed to operate over smooth and semi-smooth surfaces. For optimal performance operate on hard flat surfaces such as tile, concrete and pavement.