Which of the Following is True About “Can” Buoys

Which of the Following is True About “Can” Buoys?

A) Cylindrical (Can) Shaped Buoys

B) Green Color Buoys

C) Have odd numebrs on Top

D) Flashing Green Light at night

The correct answer is: All of the above. “Can” buoys are cylindrical-like markers with odd numbers on top that are green in color. Always pass this kind of buoy on your port side when you see them (coming from the sea to shore).

There are many different types of buoys out there and they all have their own specific purpose. “Can” buoys are no different. These buoys get their name from their cylindrical shape.

They are always green in color and have a odd number on top. Can buoys are used as navigation aids and mark the location of hazards or obstructions in a waterway.

There are a few things that you should know about “can” buoys before setting sail. Here’s what you need to know:

1. “Can” lateral buoys are used to mark the outer limit of a channel.

2. “Can” buoys are mainly green.

3. “Can” buoys always have a green light on them so that they can be seen at night.

4. You should give “can” buoys a wide space when sailing. You should pass it on your port side when returning from sea.

5. If a “can” buoy is damaged or missing, you should report it to the Coast Guard so that it can be repaired or replaced as soon as possible.

What are Can Buoys Used For?

Can buoys are anchored navigational aids that are used to mark the location of a hazard or navigation route. Can buoys come in cylindrical shapes. A can buoy indicates that the marker is marking the port side (left-hand side) of the channel or fairway. When proceeding upstream you must keep it on your port side. A can buoy indicate manmade or natural objects that are underwater.

Are Can Buoys Red?

No, Can buoys are not red in IALA region B, they are in green color. But in the IALA region-A, Can buoy are in red.

Can Buoys Color?

Yes, buoys can be painted in a variety of colors depending on their purpose. For example, navigation buoys are typically red or green so they are easily visible in the water. However, other types of buoys, like those used for scientific research, can be painted white so that they don’t absorb heat from the sun and skew data collection.

How are Can Buoys Marked?

Can buoys are marked with a number that corresponds to the can buoy’s location on a nautical chart. The number is painted on the buoy in black.


There are many different types of buoys out there, but did you know that “can” buoys are some of the most common? Let’s take a closer look at what these buoys are and what they’re used for. A can buoy is simply a buoy that is shaped like a cylinder.

These buoys are often green in color and have a odd number on top. Can buoys are usually made out of steel or concrete, which makes them very sturdy and durable. One of the most common uses for can buoys is to mark the boundaries of fairway areas.

This is because they are highly visible and their cylindrical shape makes them easy to identify. Can buoys can also be used to mark the location of underwater hazards such as rocks or reefs. So, next time you see a can buoy, you’ll know that it serves an important purpose.

Related: Which of the Following is a Can Buoy

Leave a Comment