Shapes

Anchored vessel

Vessels aground

Vessels not under command

Vessels constrained by their draught

Towing vessel and the vessel being towed

Vessel engaged in dredging or underwater operations The obstruction exists in the left side of the picture

Vessel engaged in mine-clearance operations .

Under sail and propelled by machinery

Vessel aground

Pilot This sign is not exist in the rules	Fishing vessel

Vessel engaged in diving operations