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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?
A buoy with the number 5 and a flashing green light indicates a navigational marker for vessels, typically signifying a safe passage or channel on the starboard (right) side when entering a harbor or waterway. If you are navigating, you should keep this buoy on your right side as you proceed. Always maintain a safe distance from the buoy and follow local navigation rules.
When passing a buoy marked with the number 4 and a flashing red light, you should keep the buoy on your port (left) side. This indicates that you are in a channel where the right side is marked with green buoys. Always maintain a safe distance from the buoy and be aware of any potential hazards in the water.
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.
You go inside that space that has the bouy and stay to the port-side of the bouy.
If you see a buoy with the number 5 and a green flashing light while traveling upstream, it indicates that you are approaching a channel marker. The green light typically signifies the right side of the channel when navigating upstream. You should keep the buoy on your right side and proceed cautiously, as it marks the safe navigable waterway. Always be aware of your surroundings and any potential obstacles in the water.
Have the bout on your right
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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A flashing green light buoy is a navigational aid used in maritime environments to mark specific locations, such as channels or hazards. The buoy emits a green flashing light to help guide vessels safely, particularly during nighttime or low visibility conditions. These buoys usually indicate the right side of a channel when approaching from the sea, adhering to the IALA buoyage system. Their distinctive color and light pattern help mariners identify safe passage routes.
A buoy marked with the number four and a flashing red light typically indicates a specific navigational point in maritime settings. It often serves as a warning or marker for hazards or navigational channels, particularly in areas requiring caution. The flashing red light enhances visibility, especially during low-light conditions, helping vessels identify the buoy's location and purpose.