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Which practice should be avoided under Rule 9 — Narrow Channels?
A
Treating a narrow channel like open water and drifting toward the middle or the wrong side.
B
Confusing pilot vessel lights with other special vessel lights.
C
Confusing 1 short (manoeuvring) with 1 prolonged (fog / bend) — duration is what tells them apart.
D
Small vessels (< 12 m) carrying no means of making any efficient sound signal.