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A bag on a line, marking a throwable rescue line.
Also known as: Throw bag symbol, Rescue line sign, Throwline sign
The throw line symbol marks a throw bag: a floating line packed into a bag that is thrown to somebody in the water while the rescuer keeps hold of the end. It is deliberately not a rescue that requires entering the water, which is what makes it usable by a bystander. The equipment is common on inland waterways, at reservoirs and beside fast rivers, and it is frequently mounted next to a lifebuoy rather than instead of one.
Marks equipment designed to be used from the bank: the bag is thrown and the rescuer keeps the end, so no one has to enter the water — which is what makes it safe for an untrained bystander to use.
Contexts: Public information, Navigation
Is commonly mounted beside a lifebuoy rather than instead of one, because the two do different jobs: the ring keeps somebody afloat and the line brings them in.
Contexts: Public information, Navigation
A small closed bag with a curved line uncoiling from its neck and trailing away in a long loop.
The two are mounted together and do different jobs.