Port side aids
Green
Odd number
Cans
Starboard side aids
Red
Even number
Nunn
Preferred channel bouy
Red over green / green over red
With letters
Flashing 2 + 1
Danger buoy
2 black balls
Black over red
Lettered
2 flashes every 5 sec
Safe water buoy
Red ball
White and red horizontal
Lettered
Morse code A
Special marker buoy
Yellow
Fixed flashing
Lettered
Used for weather and research
Mooring buoy
White with blue stripe
Port running light
Red
Starboard running light
Green
What is our buoyage system
Iala bravo