Subpart D. Subpart D—Aeronautical Studies and Determinations

• § 77.25 - Applicability.
• § 77.27 - Initiation of studies.
• § 77.29 - Evaluating aeronautical effect.
• § 77.31 - Determinations.
• § 77.33 - Effective period of determinations.
• § 77.35 - Extensions, terminations, revisions and corrections.