United States Coast Guard
Aids to Navigation and PNT Division


The Aids to Navigation and Positioning, Navigation and Timing (PNT) Division (CG-NAV-1) reports directly to the Office of Navigation Systems (CG-NAV), which is under the Director of Marine Transportation Systems (CG-5PW). The division is responsible for establishing requirements and policy, providing program level guidance, and coordinating processes, platforms, and personnel necessary to establish, maintain, and operate the United States Aids to Navigation System (USATONS). The USATONS is a critical component of the United States Marine Transportation System (MTS) for reducing transit risks and maintaining capacity.

Mariner Resources: Public Resources:
Light List Laws and Regulations
Local Notice to Mariners Waterways Management Branches
Aid Discrepancy Report Boating Courses
Navigation Rules Frequently Asked Questions
Global Maritime Distress & Safety System Marine Safety Information Broadcasts
Maritime Communications Vessel Traffic Services


Last Modified: 6/5/2017