{"data":{"id":"us/33-cfr-62.31","jurisdiction":"us","citation":"33 CFR 62.31","heading":"Special marks.","body":"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.","path":["Title 33—Navigation and Navigable Waters","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER C—AIDS TO NAVIGATION","PART 62—UNITED STATES AIDS TO NAVIGATION SYSTEM","Subpart B—The U.S. Aids to Navigation System"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-33.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:35Z","sha256":"798a86c0963a5dffff307d1fa68d2a15b0d319e6fbea5169d845676ac7040d74","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-62.29","next":"us/33-cfr-62.32"},"notice":"GroundRules: Original legal text. Not legal advice."}