(a) Any two or more municipalities, any two or more contiguous counties, or any county or two or more contiguous counties and one or more municipalities located therein or partly therein, of this state, are hereby authorized to create and establish one or more authorities for the purpose of acquiring, establishing, constructing, equipping, improving, financing, maintaining, and operating a regional airport or international airport and ancillary airports, as the case may be, for the use of aircraft: Provided, That no such municipality or county shall participate in such authority unless and until the governing body or county court so provides.
(b) As used in this article, the following terms have the following meanings:
(1) “Abandoned aircraft” means either: