The municipalities and counties or any one or more of them
participating therein, jointly or severally, are hereby empowered
and authorized to appoint members of the said authorities and to
contribute to the cost of acquiring, establishing, constructing,
equipping, improving, and maintaining and operating the said
regional airports and appurtenant facilities.
Any of the municipalities or counties as provided in section
one of this article is hereby empowered and authorized to convey or
transfer to the authorities property of any kind heretofore
acquired by the municipalities or counties for airport purposes.