[Code of Federal Regulations] [Title 14, Volume 1] [Revised as of January 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 14CFR45.27] [Page 905-906] TITLE 14--AERONAUTICS AND SPACE CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 45_IDENTIFICATION AND REGISTRATION MARKING--Table of Contents Subpart C_Nationality and Registration Marks Sec. 45.27 Location of marks; nonfixed-wing aircraft. (a) Rotorcraft. Each operator of a rotorcraft shall display on that rotorcraft horizontally on both surfaces of the cabin, fuselage, boom, or tail the marks required by Sec. 45.23. (b) Airships. Each operator of an airship shall display on that airship the marks required by Sec. 45.23, horizontally on-- (1) The upper surface of the right horizontal stabilizer and on the under surface of the left horizontal stabilizer with the top of the marks toward the leading edge of each stabilizer; and (2) Each side of the bottom half of the vertical stabilizer. (c) Spherical balloons. Each operator of a spherical balloon shall display the marks required by Sec. 45.23 in two places diametrically opposite and near the maximum horizontal circumference of that balloon. (d) Nonspherical balloons. Each operator of a nonspherical balloon shall display the marks required by Sec. 45.23 on each side of the balloon near its maximum cross section and immediately above either the rigging band or the points of attachment of the basket or cabin suspension cables. [[Page 906]] (e) Powered parachute and weight-shift-control aircraft. Each operator of a powered parachute or a weight-shift-control aircraft must display the marks required by Sec. 45.23. The marks must be displayed horizontally and in two diametrically opposite positions on any fuselage structural member. [Doc. No. 2047, 29 FR 3223, Mar. 11, 1964, as amended by Amdt. 45-15, 48 FR 11392, Mar. 17, 1983; Amdt. 45-24, 69 FR 44863, July 27, 2004]