46 CFR § 121.420
Charts and nautical publications
April 15, 2021
(a) As appropriate for the intended voyage, a vessel must carry adequate and up-to-date:
(1) Charts of large enough scale to make safe navigation possible;
(2) U.S. Coast Pilot or similar publication;
(3) Coast Guard Light List;
(4) Tide tables; and
(5) Current tables, or a river current publication issued by the U.S. Army Corps of Engineers or a river authority.
(b) Extracts from the publications listed above for the areas to be transited may be provided instead of the complete publication.