CFR›Title 33›Chapter I›Part 66 ContainsSubparts 66.01–66.05CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 66—PRIVATE AIDS TO NAVIGATION Subparts 66.01 Subpart 66.01—Aids to Navigation Other Than Federal or State Sections 66.01-1–66.01-55 66.05 Subpart 66.05—State Aids to Navigation Sections 66.05-1–66.05-100 Authority14 U.S.C. 542, 543, 544; 43 U.S.C. 1333; Pub. L. 107-296, 116 Stat. 2135; DHS Delegation No. 00170.1, Revision No. 01.4. Previous 64 Part 64—Marking of Structures, Sunken Vessels and Other Obstructions Next 67 Part 67—Aids to Navigation on Artificial Islands and Fixed Structures