Buoys which mark isolated dangers are painted with alternating().
When entering a channel from seaward,the numbers on buoys().
Vessels lying afloat at buoys for more than 24 hours should use anchor chain for()and insurance wire for().
The positions and characteristics of lights and buoys shown within the port area are().
Port-hand buoys are painted () in color.
I have been()that we are to shift from the wharf to buoys No.12 and No.13.
Vessels lying afloat at buoys for more than 24 hours should use anchor chain for()and insurance wire for().
On a ship,how many ring buoys are required to have a buoyant line attached?()
Buoys which mark dredging areas are painted().
Buoys are marked with reflective material to assist in their detection by searchlight. Which statement is TRUE? ()