BOTH INTERNATIONAL & INLAND A head-on situation at night is one in which you see __________.

Correct Answer: Option B — both sidelights of a vessel dead ahead of you

COLREG Rule 14(a) establishes that a head-on situation at night occurs exclusively when a power-driven vessel sights another directly ahead or nearly so, observing both the port and starboard sidelights simultaneously along with masthead lights in line, indicating reciprocal courses.