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Under Rule 12 — Sailing Vessels, what should a navigator remember?
A
When two sailing vessels approach, the one with wind on port side keeps clear.
B
The whistle, bell and gong shall comply with the specifications of Annex III.
C
A single prolonged blast warns of a blind bend or obstruction in a channel.
D
Anchor signals use the bell every minute, not the 2-minute whistle interval.