(1) Subject to subsection (2), a vessel navigates without a licensed pilot if the vessel does not have a licensed pilot on board to assist the master in navigating it.
(2) If:
(a) apart from this subsection, a vessel navigates without a licensed pilot; and
(b) the vessel is being towed by another vessel that is navigating with a licensed pilot;
the vessel under tow is to be treated as if it had a licensed pilot on board to assist the master in navigating it.