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Which practice should be avoided under Rule 9 — Narrow Channels?
A
Assuming seaplanes are exempt from showing navigation lights.
B
Believing the bell and gong sound the same — by Annex III they must be distinguishable.
C
Mixing up anchor bell signals with underway fog signals.
D
Crossing in front of a deep-draught or constrained vessel that has little room to manoeuvre.