Rules of the Road · Pilot Vessels
A pilot vessel on pilotage duty shall show:
- ATwo all-round lights: red over white in a vertical line
- BAn all-round white light over an all-round red light in a vertical line✓ Correct
- CA white flashing light only
- DRed, white, red all-round lights in a vertical line
Explanation
Rule 29(a)(i) requires a pilot vessel on duty to show two all-round lights in a vertical line at or near the masthead — white over red. Combined with sidelights and sternlight when underway, or an anchor light when anchored, this combination is unique to pilot vessels.
Authority: 72 COLREGS Rule 29(a)(i)
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