Sec. 4-5.305.   Use of runways.
   (a)   All aircraft shall land and take off only on designated runways.
   (b)   Touch-and-go operations shall be prohibited between the hours of 10:00 p.m. and 7:00 a.m. (§ 1, Ord. 773, eff. April 14, 1977, as amended by § 2, Ord. 812, eff. July 27, 1978)