CFR › Title 14 › Part 157Part 157 — Notice of Construction, Alteration, Activation, and Deactivation of Airports§ 157.1— Applicability.§ 157.2— Definition of terms.§ 157.3— Projects requiring notice.§ 157.5— Notice of intent.§ 157.7— FAA determinations.§ 157.9— Notice of completion.