CFAV Tillicum (YTM 555) is a harbour tug of the King's Harbour Master. She is stationed at CFB Esquimalt, on Vancouver Island.
The King's Harbour Master operates ten other tugboats, five 45-ton s and five 250-ton tugs, and two 140-ton s.
The Ville-class tugs rotate their kort nozzle for steering. Tillicums nozzles are fixed and she uses 4 conventional rudders for steering.