[CC 1970 §21-250; Ord. No. 3623 §1, 10-23-1973]
The following terms, as used herein, shall mean:
Any airplane, helicopter, gas bag, flying machine, balloon or any contrivance now known or hereafter invented, used or designed for navigation or for flight in the air.
A landing or flight necessary to the immediate care of sick or injured persons or for the protection of life and property in immediate danger or for transport of government officials in emergencies when other means of transport are impossible.
Construction or other activities where use of aircraft limited as to time and location is desirable.