(1) "Aircraft"
means any contrivance now known, or hereafter invented, used or designed for manned navigation of, or manned flight in the air, including, but not limited to, airplanes, helicopters and balloons.
(2) "Aircraft landing"
means any maneuver by an aircraft which causes any part of such aircraft to contact the ground or any structure on the ground, or to come within immediate proximity of the ground or any such structure.
(Ord. 1545, 1987)