Section 91.1 - [Effective until 1/21/2025] Applicability(a) Except as provided in paragraphs (b), (c), (e), and (f) of this section and §§ 91.701 and 91.703 , this part prescribes rules governing the operation of aircraft within the United States, including the waters within 3 nautical miles of the U.S. coast.(b) Each person operating an aircraft in the airspace overlying the waters between 3 and 12 nautical miles from the coast of the United States must comply with §§ 91.1 through 91.21 ; §§ 91.101 through 91.143 ; §§ 91.151 through 91.159 ; §§ 91.167 through 91.193 ; § 91.203 ; § 91.205 ; §§ 91.209 through 91.217 ; § 91.221 , § 91.225 ; §§ 91.303 through 91.319 ; §§ 91.323 through 91.327 ; § 91.605 ; § 91.609 ; §§ 91.703 through 91.715 ; and § 91.903 .(c) This part applies to each person on board an aircraft being operated under this part, unless otherwise specified.(d) This part also establishes requirements for operators to take actions to support the continued airworthiness of each airplane.(e) This part does not apply to any aircraft or vehicle governed by part 103 of this chapter, or subparts B, C, or D of part 101 of this chapter.(f) Except as provided in §§ 107.13 , 107.27 , 107.47 , 107.57 , and 107.59 of this chapter, this part does not apply to any aircraft governed by part 107 of this chapter.Doc. No. 18334, 54 FR 34292, Aug. 18, 1989, as amended by Amdt. 91-257, 64 FR 1079, Jan. 7, 1999; Amdt. 91-282, 69 FR 44880 , July 27, 2004; Amdt. 91-297, 72 FR 63410 , Nov. 8, 2007; Amdt. 91-314, 75 FR 30193 , May 28, 2010; Docket FAA-2015-0150, Amdt. 91-343, 81 FR 42208 , June 28, 2016