You are traveling upstream on a river at dusk. You see a buoy with the number 4 and a flashing red light. What should you do?
lp
Have the bout on your right
An anchor buoy is a small buoy attached to an anchor by a light line and used to indicate the position of an anchor.
no
Keep the buoy on your starboard (right) side.
keep the buoy on the starboard side
You go inside that space that has the bouy and stay to the port-side of the bouy.
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.
A white buoy with an orange marking most likely indicates that you should proceed through the area with caution. The buoy often marks rapids, rocks, or sandbars.
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