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Under Rule 1 — Application, what should a navigator remember?
A
White over red all-round lights at masthead when on duty.
B
Anchored vessels show a forward all-round white light + a lower one aft (≥50m); <50m may show a single all-round white.
C
Local harbour and inland-water rules may supplement COLREG but should stay as close as possible to it.
D
Where it is impracticable for a seaplane to exhibit lights of the exact characteristics, it shall exhibit lights as closely similar as…