As used in this chapter:
"Department" means the department of commerce and consumer affairs.
"Director" means the director of the department of commerce and consumer affairs.
"License" means a pilot's license issued pursuant to this chapter.
"Pilot" means a state pilot licensed pursuant to this chapter as a port pilot or a deputy port pilot.
"Pilotage waters" means the waters of this State covered by this chapter.
"Vessel" means every description of watercraft, other than a seaplane on the water, used or capable of being used as a means of transportation on water. Each tug and each of its tows shall be considered a separate vessel.