The university may own and operate an airport, may accept federal aid and money for those purposes, and may enter into sponsors assurance agreements with the federal government. It may operate the airport separately or in cooperation with a city, a county, the state, or the federal government, with the approval of the appropriate governing body, but without any expense to or liability against the state in any manner.Acts 1971, 62nd Leg., p. 3231, ch. 1024, art. 1, Sec. 1, eff. Sept. 1, 1971.