(620 ILCS 5/8)
(from Ch. 15 1/2, par. 22.8)
"Restricted area" or "restricted landing area" means any area of
land, water, or both, which is used or is made available for the landing
and takeoff of aircraft, the use of which shall, except in case of
emergency, be only as provided from time to time by the Department.
(Source: Laws 1945, p. 335.)