Miss. Code § 61-5-47
The acquisition of any lands for the purpose of establishing airports or other air navigation facilities, the acquisition of any airport protection privileges, the acquisition, establishment, construction, enlargement, improvements, maintenance, equipment and operation of airports and other air navigation facilities by any municipality or municipalities of this state, separately or jointly, and the exercise of any other powers granted in the Municipal Airport Law to any airport board, joint board or authority are hereby declared to be public and governmental functions, exercised for a public purpose, and matters of public necessity. Such lands and other property and privileges acquired and used by the municipality in the manner and for the purposes enumerated in said law shall and are hereby declared to be acquired and used for public and governmental purposes and as a matter of public necessity.
Miss. Code § 61-5-47