33 C.F.R. § 62.31 Special marks.
Title 33 - Navigation and Navigable Waters
Special marks are not primarily intended to assist safe navigation, but to indicate special areas or features referred to in charts or other nautical publications. They may be used, for example, to mark anchorages, cable or pipeline areas, traffic separation schemes, military exercise zones, ocean data acquisition systems, etc. Special marks are colored solid yellow.
Title 33: Navigation and Navigable Waters
PART 62—UNITED STATES AIDS TO NAVIGATION SYSTEM
Subpart B—The U.S. Aids to Navigation System
§ 62.31 Special marks.
