Marine Order 32 (Cargo handling equipment) 2016

the operating modes of the controls must be separated by a neutral, stop or off position; and

the braking system must come into operation automatically when there is a significant drop in the supply of electrical power; and

there must be an emergency or isolating switch that:

is conveniently close to the operator; and

shuts down the power supply to the winch, or to hoisting, luffing, slewing, travelling or traversing motors; and

does not affect lighting, indicators, electromagnetic lifting devices, cargo hook or twistlock controls, or other circuits not controlling the motion of the load or the crane.