49 U.S.C. § 47152: Terms of conveyances

A State, political subdivision of a State, or tax-supported organization receiving the interest may use, lease, salvage, or dispose of the interest for other than airport purposes only after the Secretary of Transportation gives written consent that the interest can be used, leased, salvaged, or disposed of without materially and adversely affecting the development, improvement, operation, or maintenance of the airport at which the property is located. The interest shall be used and maintained for public use and benefit without unreasonable discrimination. to conduct an aeronautical activity requiring the operation of aircraft; or to engage in selling or supplying aircraft, aircraft accessories, equipment, or supplies (except gasoline and oil), or aircraft services necessary to operate aircraft (including maintaining and repairing aircraft, aircraft engines, propellers, and appliances). The State, political subdivision, or tax-supported organization accepting the interest shall clear and protect the aerial approaches to the airport by mitigating existing, and preventing future, airport hazards. pay the entire cost of maintaining the part of the airport it exclusively uses, controls, or possesses during the emergency; contribute a reasonable share, consistent with the Government’s use, of the cost of maintaining the property it uses nonexclusively, or over which the Government has nonexclusive control or possession, during the emergency; and pay a fair rental for use, control, or possession of improvements to the airport made without Government assistance. contribute a reasonable share, consistent with the Government’s use, of the cost of maintaining and operating the landing area; and pay for damages caused by its use of the landing area if its use of the landing area is substantial. The State, political subdivision, or tax-supported organization accepting the interest shall release the Government from all liability for damages arising under an agreement that provides for Government use of any part of an airport owned, controlled, or operated by the State, political subdivision, or tax-supported organization on which, adjacent to which, or in connection with which, the property is located. When a term under this section is not satisfied, any part of the interest in the property reverts to the Government, at the option of the Government, as the property then exists.