(1) Under regulations prescribed by the Secretary, if the Secretary decides that constructing or altering a structure may result in an obstruction of the navigable airspace or an interference with air navigation facilities and equipment or the navigable airspace, the Secretary shall conduct an aeronautical study to decide the extent of any adverse impact on the safe and efficient use of the airspace, facilities, or equipment. In conducting the study, the Secretary shall consider factors relevant to the efficient and effective use of the navigable airspace, including
(A) the impact on arrival, departure, and en route procedures for aircraft operating under visual flight rules;
(B) the impact on arrival, departure, and en route procedures for aircraft operating under instrument flight rules;
(C) the impact on existing public-use airports and aeronautical facilities;
(D) the impact on planned public-use airports and aeronautical facilities; and
(E) the cumulative impact resulting from the proposed construction or alteration of a structure when combined with the impact of other existing or proposed structures.