(4)"Aerodyne" means an aircraft whose support in flight is derived dynamically from the reaction on surfaces in motion relative to the air, and includes all aeroplanes, helicopters, gyroplanes, gliders and kites;[(4-A) "Aeronautical beacon" means an aeronautical ground light visible at all azimuth either continuously or intermittently to designate a particular point on the surface of the earth; [Inserted by G.S.R. 610(E), 14.8.1984.](4-B) "Aeronautical ground light" means any light provided as an aid to air navigation other than a light displayed on an aircraft;]
