INT 1 · Q 21
Can buoy
Buoys & beaconsCore
A rectangular chart glyph identifies a cylindrical or can buoy body.
What it means
A rectangular body standing on the small position circle is the paper-chart form of a cylindrical or can buoy.
Why it matters
Confirm colour, topmark, light, and IALA region. Lateral colours reverse between Regions A and B even though the body shapes do not.