A buoy with the number 4 and a flashing red light typically indicates a navigational hazard or an area that should be approached with caution. This may signify shallow waters, an obstruction, or a location where navigation is restricted. Boaters should reduce speed and remain alert when near such buoys to ensure safety. Always refer to local navigation charts for specific meanings, as they can vary by region.
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
lp
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.
no
Keep the buoy on your starboard (right) side.
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.
When you see a buoy with the number 4 and a flashing red light while traveling upstream at dusk, you should treat it as a navigational warning. The red light typically indicates a hazard or an area to avoid. It's important to reduce your speed and proceed with caution, keeping a safe distance from the buoy. Additionally, consult your navigation charts or local regulations to understand the specific implications of that buoy's signal.
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.
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.