.01 Definitions.

A. In this chapter, the following terms have the meanings indicated.

B. Terms Defined.

(1) "Aground" means a vessel that is touching the bottom and unable to move.

(2) "Underway" means a vessel that is not aground, at anchor, or tied to shore.

(3) "Upper Potomac River" means that portion of the Potomac River and its tributaries above the Maryland/District of Columbia boundary near Little Falls.