PLANNING GRANTS.

SEC. 13. PLANNING GRANTS. (a) Authorization To Make Grants.—In order to promote the effective location and development of airports and the development of an adequate national airport system plan, the Secretary may make grants of funds to planning agencies for airport system planning, and to public agencies for airport, master planning. (b) Amount and Apportionment of Grants—The award of grants mid er subsection (a) of this section is subject to the following limitations: (1) The total funds obligated for grants under this section may not exceed $75,000,000 and the amount obligated in any one fiscal year may not exceed $15,000,000. (2) No grant under this section may exceed two-thirds of the cost incurred in the accomplishment of the project. (3) No more than 7.5 per centum of the funds made available under this section in any fiscal year may be allocated for projects within a single State, the Commonwealth of Puerto Rico, the Virgin Islands, or Guam. Grants for projects encompassing an area located in two or more States shall be charged to each State in the proportion which the number of square miles the project encompasses in each State bears to the square miles encompassed by the entire, project. (c) Regulations; Coordination With Secretary of Housing and Urban Development.—The Secretary may prescribe such regulations as he deems necessary governing the award and administration of grants authorized by this section. The Secretary and the Secretary of Housing and Urban Development shall develop jointly procedures designed to preclude duplication of their respective planning assistance activities and to ensure that such activities are effectively coordinated.