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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?
keep the buoy on the starboard side
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.
You are boating near shore at twilight. You see a square-shaped daymark. You cannot make out the marker's color. What color is it?
If you are traveling upstream on a river and see a red triangular daymark, you should pass this marker on the left side.
You are boating near shore at twilight. You see a square-shaped daymark. You cannot make out the marker's color. What color is it?
When traveling upstream on a river you see a red triangular daymark, so you should pass on the left side.
One prolonged blast every two minutes
When heading upstream green buoys should be on the left/port side of the boat . The opposite is true when traveling downstream.
::Keep the marker on your starboard (right) side
You are boating near shore at twilight. You see a square-shaped daymark. You cannot make out the marker's color. What color is it?
Keep a green lateral marker to your left, or port, side when proceeding in the upstream.