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IALA
COLREG
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Which practice should be avoided under Rule 21 — Definitions (Lights)?
A
Confusing the arcs of visibility for different light types.
B
Forgetting to change from one prolonged to two prolonged blasts when the ship stops making way.
C
Assuming COLREG only applies outside territorial waters.
D
Relying on radar or AIS instead of maintaining a visual and aural watch.
