2.Standard: SOLAS
Details :
Can float life-saving ring is 25 to 30 meters will long nylon cord and can float ring department as one of the assemblies.
Method of use: when in the shore or the ship personnel have found that, after the end of the rope can be caught, the other end (float ring) throw to them, will float ring have caught or set in the arm bent arm. The rope drag in personnel, which makes them were rescued.