The department may refuse issuance of a permit under Section 21659 if it determines that the construction or alteration of the structure or growth of the natural growth would constitute a hazard to air navigation or create an unsafe condition for air navigation.
Any person denied a permit shall, upon request, be granted a hearing by the department to determine whether a permit shall be issued. The hearing shall be held pursuant to Chapter 5 (commencing with Section 11500) of Part 1 of Division 3 of Title 2 of the Government Code.