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Which answer is consistent with Rule 1 — Application?
A
Not just a literal whistle — any Annex III compliant horn, siren or foghorn qualifies.
B
Gong's tone must NOT be confusable with the bell's.
C
Special government light and signal rules exist for warships, convoys and fleet fishing.
D
One short blast means starboard, two means port, three means astern propulsion, and five or more rapid blasts mean doubt or danger.