NOTICE TO MARINERS
SECTION I - SPECIAL NOTICES
This section contains information of special concern to the Mariner.
U.S. Coastal and Internal Waters - U.S. Federal Aids to Navigation - Datum Shift to WGS 84
The positions of Aids to Navigation contained in the U.S. Light List Volumes will be converted to WGS 84 to align with Datum used on Official U.S. Electronic Navigational Charts (ENC) issued by the U.S. Hydrographic Offices (NGA, NOAA, USACE). The positions were previously expressed in NAD 83 Datum to align with U.S. Hydrographic Office(s) paper charts. The 2021 Light List Volumes will contain the adjusted positions. No chart or Light List corrections will be published in the Local Notice to Mariners.