(a) Establishes standards for determining obstructions in navigable
(b) Sets forth the requirements for notice to the Administrator of
certain proposed construction or alteration;
(c) Provides for aeronautical studies of obstructions to air
navigation, to determine their effect on the safe and efficient use of
(d) Provides for public hearings on the hazardous effect of proposed
construction or alteration on air navigation; and
(e) Provides for establishing antenna farm areas.