Alaska Statutes Title 2. Aeronautics § 02.25.050. Pre-existing use not affected

All airport zoning regulations adopted under this chapter shall be reasonable, and the department may not require the removal, lowering, or other change or alteration of a structure or tree not conforming to the regulations when adopted or amended, or otherwise interfere with the continuance of any nonconforming use except under AS 02.25.060.