The acquisition of any land or interest pursuant to this chapter and the laws of the state, the planning, acquisition, establishment, development, construction, improvement, maintenance, equipment, operation, regulation, protection and policing of airports and air navigation facilities, including the acquisition or elimination of airport hazards, and the exercise of any other powers herein granted to the city, are hereby declared to be public and governmental functions, exercised for a public purpose, and matters of public necessity. (Ord. 1548, 1-23-2012)