Delaware Code
Subchapter IV. Pilotage Rates
§ 130. Definitions.

As used in this chapter:

(1) “Deep draft vessel” shall mean any vessel which by virtue of its draft is limited in its ability to navigate such that its navigation will be of extraordinary duration or will occasion its pilot extraordinary care or trouble.
(2) “Piloting” is defined as the work of directing a ship or vessel's movement on the waters of the Bay and River Delaware, all navigable tributaries thereof, the C & D Canal, and such other waters as may, from time to time be designated as pilotage waters by the Board.
(3) “Underway” is the condition of any vessel which is not at anchor, aground or attached by 1 or more lines ashore.
(4) “Vessel” is defined as any ship, however powered, barge, or tug and barge or other craft used or capable of being used in navigation for the transportation of cargo or passengers.