No person shall engage in flight instruction at the airport unless, before giving instructions, the person's current fight instructor's certificate has been presented to the Airport Manager and the person has been granted a permit by the city. No person holding only a student permit shall be allowed to solo an aircraft from the airport unless under the direct supervision of a pilot holding a valid instructor's certificate of the proper grade and rating.
('74 Code, § 2.5-16) (Ord. 938, passed 2-1-77) Penalty, see § 90.999