10 CFR § 862.3 - Definitions.
(a) Air delivery. Delivering or retrieving a person or object by airborne means, including but not limited to, aircraft.
(b) Aircraft. A manned a unmanned device or any portion thereof, that is commonly used or intended to be used for flight in the air, including powerless flight. Such devices include but are not limited to any parachute, hovercraft, helicopter, glider, airplane or lighter than air vehicle.
(c) Boundary. A delineation on a map of Federal interest in land or water utilized by DOE pursuant to the Atomic Energy Act of 1954, as amended:
(1) Authorized by Congress, or
(2) Published pursuant to law in the Federal Register, or
(3) Filed or recorded with a State or political subdivision in accordance with applicable law.
(d) Designated site. An area of land or water identified in accordance with § 862.7 of this part.
(e) Downed aircraft. An aircraft that is on a designated site due to emergency landing or for any other reason.
(f) Manager of Operations. The manager of a DOE field office, the Manager of the Pittsburgh Naval Reactors Office, the Manager of the Schnectady Naval Reactors Office and, for designated sites administered directly by DOE Headquarters, the Chief Health, Safety and Security Officer.