Code of Federal Regulations Title 33. Navigation and Navigable Waters § 161.23.Reporting exemptions

(1) Vessels on a published schedule and route;

(2) Vessels operating within an area of a radius of three nautical miles or less; or

(3) Vessels escorting another vessel or assisting another vessel in maneuvering procedures.

(1) Provide a Sailing Plan at least 5 minutes but not more than 15 minutes before navigating within the VMRS area; and

(2) If it departs from its promulgated schedule by more than 15 minutes or changes its limited operating area, make the established VMRS reports, or report as directed.