(ii) An airport under construction, that is the subject of a notice or proposal on file with the
Federal Aviation Administration, and except for military airports, it is clearly indicated that that airport
will be available for public use.
(iii) An airport that is operated by an armed force of the United States.
(b) Each sponsor who proposes construction or alteration that is the subject of a notice under
paragraph (a) of this section and is advised by an FAA regional office that a supplemental notice is
required shall submit that notice on a prescribed form to be received by the FAA regional office at least 48
hours before the start of the construction or alteration.
(c) Each sponsor who undertakes construction or alteration that is the subject of a notice under
paragraph (a) of this section shall, within 5 days after that construction or alteration reaches its greatest
height, submit a supplemental notice on a prescribed form to the FAA regional office having jurisdiction
over the area involved, if -
(1) The construction or alteration is more than 200 feet [60.96 m] above the surface level of its
(2) An FAA regional office advises him that submission of the form is required.
77.15 Construction or alteration not requiring notice.
No person is required to notify the Administrator for any of the following construction or alteration:
(a) Any object that would be shielded by existing structures of a permanent and substantial character
or by natural terrain or topographic features of equal or greater height, and would be located in the
congested area of a city, town, or settlement where it is evident beyond all reasonable doubt that the
structure so shielded will not adversely affect safety in air navigation.
(b) Any antenna structure of 20 feet [6.10 m] or less in height except one that would increase the
height of another antenna structure.
(c) Any air navigation facility, airport visual approach or landing aid, aircraft arresting device, or
meteorological device, of a type approved by the Administrator, or any appropriate military service on
military airports, the location and height of which is fixed by its functional purpose.
(d) Any construction or alteration for which notice is required by any other FAA regulation.
77.17 Form and time of notice.
(a) Each person who is required to notify the Administrator under 77.13 (a) shall send one executed
form set (four copies) of FAA Form 7460-1, Notice of Proposed Construction or Alteration, to the Chief,
Air Traffic Division, FAA Regional Office having jurisdiction over the area within which the construction
or alteration will be located. Copies of FAA Form 7460-1 may be obtained from the headquarters of the
Federal Aviation Administration and the regional offices.