The preservation of human life and property associated with maritime commerce on the pilotage waters of this state is declared to be in the public interest, and the limitation and regulation of the liability of pilots licensed by the state of Washington, and of any countywide port district located partly or entirely within the Grays Harbor pilotage district as defined by RCW
88.16.050(2) authorized to provide pilotage services, is necessary to such preservation and is deemed to be in the public interest.