What is Williamsons turn for Man overboard ?

Williamsons Turn –

In an immediate action situation rudder hard over to the side of the person overboard

• Makes good original track line
• Good in restricted visibility
• Simple
• Takes the ship farther away from the scene of incident
• Slow procedure

You may also know  about scharnov turn:

Scharnov Turn –

Not to be used in an immediate action situation

• Will take vessel back into her wake
• Less distance in covered saving time
• Cannot be carried out effectively unless the time elapsed between occurrence of the incident and the commencement of the manoeuvre is known.