DEFINITIONS.

SEC. 11. DEFINITIONS.As used in this part— (1) “Airport” means any area of land or water which is used, or intended for use, for the landing and takeoff of aircraft, and any appurtenant areas which are used, or intended for use, for airport buildings or other airport facilities or rights-of-way, together with all airport buildings and facilities located thereon. (2) “Airport development” means (A) any work involved in constructing, improving, or repairing a public airport or portion thereof, including the removal, lowering, relocation, and marking and lighting of airport hazards, and including navigation aids used by aircraft landing at, or taking off from, a public airport, and including safety equipment required by rule or regulation for certification of the airport under section 612 of the Federal Aviation Act of 1958, and (B) any acquisition of land or of any interest therein, or of any easement through or other interest in airspace, including land for future airport development, winch is necessary to permit any such work or to remove or mitigate or prevent or limit the establishment of, airport hazards. (3) “Airport hazard” means any structure or object of natural growth located on or in the vicinity of a public airport, or any use of hind near such airport, which obstructs the airspace required for the flight of aircraft in landing or taking off at such airport or is otherwise hazardous to such landing or taking off of aircraft. (4) “Airport master planning” means the development for planning purposes of information and guidance to determine the extent, type, and nature of development needed at a specific airport. It may include the preparation of an airport layout plan and feasibility studies, and the conduct of such other studies, surveys, and planning actions as may Ire necessary to determine the short-, intermediate-, and long-range aeronautical demands required to be met. by a particular airport as a part of a system of airports. (5) “Airport system planning” means the development for planning purposes of information and guidance to determine the extent, type, nature, location, and timing of airport development needed in a specific area to establish a viable and balanced system of public airports. It includes identification of (he specific aeronautical role of each airport within the system, development of estimates of system-wide development costs, and the conduct of such studies, surveys, and other planning actions as may be necessary to determine the short.-, intermediate-, and long-range aeronautical demands required to be met by a particular system of airports. (6) “Landing area” means that area used or intended to be used for the landing, takeoff, or surface maneuvering of aircraft. (7) “Government, aircraft” means aircraft owned and operated by the United States. 84 Stat. 221 (8) “Planning agency” means any planning agency designated by the Secretary which is authorized by the laws or the State or States (including the Commonwealth of Puerto Rico, the Virgin Islands, and Guam) or political subdivisions concerned to engage in areawide planning for the areas in which assistance under this part is to be used. (9) “Project” means a project for the accomplishment of airport development, airport master planning, or airport system planning. (10) “Project costs” means any costs involved in accomplishing a project. (11) “Public agency” means a State, the Commonwealth of Puerto Rico, the Virgin Islands, or Guam or any agency of any of them; a municipality or other political subdivision ; or a tax-supported organization; or an Indian tribe or pueblo. (12) “Public airport” means any airport which is used or to be used for public purposes, under the control of a public agency, the landing area of which is publicly owned. (13) “Secretary” means the Secretary of Transportation. (14) “Sponsor” means any public agency which, either individually or jointly with one or more other public agencies, submits to the Secretary, in accordance with this part, an application for financial assistance. (15) “State” means a State of the United States or the District of Columbia. (16) “Terminal area” means that area used or intended to be used for such facilities as terminal and cargo buildings, gates, hangars, shops, and other service buildings; automobile parking, airport motels, and restaurants, and garages and automobile service facilities used in connection with the airport; and entrance and service roads used by the public within the boundaries of the airport. (17) “United States share” means that portion of the project costs of projects for airport development approved pursuant to section 16 of this part which is to be paid from funds made available for the purposes of this part.