To minimise environmental effects, what is the best heading of a ship when launching a rescue boat?
Answers
Explanation:
1. Put the rudder hard over towards the side from which the man went overboard, to reduce the chances of the vessel’s propeller striking the MOB
2. After deviation from the original course by 60 degrees, the rudder is put hard over to the opposite side
In the figures, given below, the original course of the ship is 110 degrees. Man overboard is on the starboard side and therefore the turn is to starboard. When the course is 170 (110 + 60) degrees after deviation from the original course which was 110 degrees, rudder is put hard over to port side.
3. When the heading is 20 degrees short of the reciprocal course, the rudder is brought to midship position.
The reciprocal course of 110 degrees is 290 degrees. Reciprocal course can be obtained by simply adding 180 degrees to the original course if original course is less than 180. When the heading shows 310 degrees ( i.e. 20 degrees short of 290 degrees) rudder is put to midship.
Answer -
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- It is therefore very important for the ship personnel to act immediately and should be reduced and preparations should be taken to launch rescue boat.
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