Man overboard maneuvers under different conditions ?

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FOLLOW

Immediate action -  Single turn  and Williamson turn
Delayed Action -  Williamson turn
Person missing – Williamson turn & Scharnow turn.


Single Turn
Rudder hard over (in an "immediate action" situation, only to the side of the casualty) After deviation from the original course by 250º, rudder to midship position and stopping manoeuvre to be initiated

Williamson turn
Rudder hard over (in an "immediate action" situation, only to the side of the casualty). After deviation from the original course by 60º, rudder hard over to the opposite side.When heading 20º short of opposite course,rudder to midship and ship to be turned to opposite course

Scharnow Turn
(not to be used in an "immediate action" situation.)
Rudder hard over. After deviation from the original course by 240º, rudder hard over to the opposite side. When heading 20º short of opposite course, rudder to midship position so that ship will turn to opposite course.