PROJECT SPONSORSHIP.

SEC. 18. PROJECT SPONSORSHIP.As a condition precedent, to his approval of an airport development project under this part, the Secretary shall receive assurances in writing, satisfactory to him, that— (1) the airport to which the project for airport development relates will be available for public use on fair and reasonable terms and without unjust discrimination; (2) the airport and all facilities thereon or connected therewith will be suitably operated and maintained, with due regard to climatic and flood conditions; (3) the aerial approaches to the airport will be adequately cleared and protected by removing, lowering, relocating, marking, or lighting or otherwise, mitigating existing airport hazards and by preventing the establishment or creation of future airport hazards; (4) appropriate action, including the adoption of zoning laws, has been or will be taken, to the extent reasonable, to restrict the use of land adjacent to or in the immediate vicinity of the airport to activities and purposes compatible with normal airport operations, including landing and takeoff of aircraft; (5) nil of the facilities of the airport developed with Federal financial assistance and all those usable for landing and takeoff of aircraft will be available, to the United States for use by Government aircraft in common with other aircraft at all times without charge, except, if the use by Government aircraft is substantial, a charge may be made for a reasonable share, proportional to such use, of the cost of operating and maintaining the facilities used; (6) the airport operator or owner will furnish without cost to the Federal Government for use in connection with any air traffic control activities, or weather-reporting and communication activities related to air traffic control, any’ areas of land or water, or estate therein, or rights in buildings of the sponsor as the Secretary considers necessary or desirable for construction at Federal expense of space or facilities for such purposes; (7) all project accounts and records will be kept in accordance with a standard system of accounting prescribed by the Secretary after consultation with appropriate public agencies; (8) the airport operator or owner will maintain a fee and rental structure for the facilities and services being provided the airport users which will make the airport as self-sustaining as possible under the circumstances existing at that particular airport, taking into account such factors as the volume of traffic and economy of collection; (9) the airport operator or owner will submit to the Secretary such annual or special airport financial and operations reports as the Secretary may reasonably request; and (10) the airport and all airport records will be available for inspection by any duly authorized agent of the Secretary upon reasonable request. 84 Stat. 230 To insure compliance with this section, the. Secretary shall prescribe such project sponsorship requirements, consistent with the terms of this part, as he considers necessary. Among other steps to insure such compliance the Secretary is authorized to enter into contracts with public agencies, on behalf of the United States. Whenever the Secretary obtains from a sponsor any area of land or water, or estate therein, or rights in buildings of the sponsor and constructs space or facilities thereon at Federal expense, he is authorized to relieve the sponsor from any contractual obligation entered into under this part or the Federal Airport Act to provide free space in airport buildings to the Federal Government to the extent he finds that space no longer required for the purposes set forth in paragraph (6) of this section.