Windlass ; It functions when the trawl is pulled out of the sea. It takes its power from the main or auxiliary machine and consists of wire drums, lanterns, fire and control systems. The trolls are wrapped on two wire drums. Two lanterns are used to collect the mooring rope. Brake and control systems working with to the wire drum or lanterns via the motor-driven belt-pulley system or the hydraulic pump, to start and stop the windlass.
In an addition, modern trawlers use net drums so for that windlasses usually operate with hydraulic power, so they can be easily controlled.