33 C.F.R. § 23.12 Coast Guard identifying insignia.
Title 33 - Navigation and Navigable Waters
(a) The distinctive identification insignia of the Coast Guard consists of a broad diagonal red stripe followed to the right or left by two narrow stripes, first a white stripe and then a blue stripe. The Coast Guard emblem, as described in §23.10(b), is centered within the confines of the broad red diagonal stripe. (b) The Coast Guard identifying insignia is intended primarily for the identification of Coast Guard vessels, aircraft, vehicles, and shore units. It may also be reproduced for use on Coast Guard publications, stationery, jewelry, and similar items. (c) Any person who desires to reproduce the Coast Guard identifying insignia for non-Coast Guard use must first obtain approval from the Commandant, U.S. Coast Guard, Washington, D.C. 20593. (Sec. 6(b)(1), 80 Stat. 937; 49 U.S.C. 1655(b)(1); 49 CFR 1.46(b)) [CGFR 70–95, 35 FR 12541, Aug. 6, 1970]
Title 33: Navigation and Navigable Waters
PART 23—DISTINCTIVE MARKINGS FOR COAST GUARD VESSELS AND AIRCRAFT
§ 23.12 Coast Guard identifying insignia.

