If you are entering harbour when you encounter this buoy, what would you do?
If you encountered this buoy when leaving harbour, what would you do?
If you encountered this beacon when entering harbour, what would you do?
When leaving harbour, heading west, what would you do on reaching this buoy?
When heading east, what would you do on encountering this buoy?
When leaving harbour, what would you do on reaching this buoy?
What is the meaning of this buoy?
If you encountered this buoy when heading north in to harbour, what would you do?