(Airports. Ord. 17450 § 1, 1963-09-24; Ord. 19402 § 1, 1971-07-20; Ord. 20271 § 2, 1974-12-26; repealed and reenacted by Ord. 27416 § 1, 2005-10-11; repealed by Ord. 28362 Ex. A, 2016-06-07)