14 C.F.R. § 77.33 Initiation of studies.
Title 14 - Aeronautics and Space
(a) An aeronautical study is conducted by the FAA: (1) Upon the request of the sponsor or any construction or alteration for which a notice is submitted under subpart B of this part, unless that construction or alteration would be located within an antenna farm area established under subpart F of this part; or (2) Whenever the FAA determines it appropriate. [Doc. No. 1882, 30 FR 1839, Feb. 10, 1965, as amended by Amdt. 77–4, 32 FR 12997, Sept. 13, 1967]
Title 14: Aeronautics and Space
PART 77—OBJECTS AFFECTING NAVIGABLE AIRSPACE
Subpart D—Aeronautical Studies of Effect of Proposed Construction on Navigable Airspace
§ 77.33 Initiation of studies.

