As used in this chapter, certain words and terms are defined as follows:
(a) "Helicopter" means any airborne vehicle used for the transportation of personnel or material whose support in flight is derived from a vertical lift or force produced by the mechanical rotation of an airfoil or wing about an approximately vertical axis.
(b) "Landing area" means that approved location designated by the Chief Executive Officer, or his or her designee, on which and from which a helicopter is permitted to land and/or take off.