Article 10
ROADS AND HARBOUR PILOT SIGNALS
Vessels requiring a pilot for:
(1) Entering from sea.
(2) Sailing out to sea.
(3) Changing berth.
(4) Entering the canal.
Should hoist a Black Ball over G by day and 3 White Lights by night in a vertical line.
These signals are to be hoisted where they can best be seen.
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