Except upon written permission of the Director, which may be given for special events; no person shall:
(a) Tow, ride upon, otherwise operate water skis or aquaplanes.
(b) Tow any vessel, object, or structure behind a vessel when such towed object, structure, or vessel is a distance of 75 feet or more astern of the towing vehicle.
(c) Operate a hydrofoil craft, seaplane, or air propeller driven water craft.
(d) Use, or cause to be used, on any vessel under his control, a spinnaker sail of any type except where such use is made necessary by an emergency.