When going upstream, a buoy with a number 5 and flashing green light indicates the presence of a dam ahead. The dam may be used to generate hydroelectric power or to provide water for irrigation, and can pose a danger to boats and other vessels.
Since this is a Green Lighted Buoy sighted while approaching a harbour,this is a Lateral port hand side mark, IALA region B. To keep this buoy on your port side while travelling upstream.
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because flashing green lights mean go and the green lights that are not flashing mean stop
A flashing amber light means approach the lock at a safe speed and under full control.
Keep it on your left when heading upstream
Keep it on your left when heading upstream
If you are traveling in a primary channel and you encounter a red and green marker (with the green band on top) when proceeding in an upstream direction, what must you do?
If you are traveling in a primary channel and you encounter a red and green marker (with the green band on top) when proceeding in an upstream direction, what must you do?
Keep a green lateral marker to your left, or port, side when proceeding in the upstream.
Keep it on your left when heading upstream
Keep it on your left when heading upstream
Keep it on your left when heading upstream