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When vessel is unable to rescue, e.g., vessel does not have enough bunker. |
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When it is unreasonable e.g., the distance is so far the vessel will rake
4/5 days to rescue, but that place is a traffic dense place and survivors
may be easily picked by other vessel. |
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When it is unnecessary, e.g., a man overboard in ice/cold region and
distance is so far that vessel will take long time to go there. So it is
impossible for a man to survive in this situation. |
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If
the vessel have not been requisitioned by the master of distress vessel, but
more other ships have been requisitioned and they are complying with the
requisition. |
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The master of a requisitioned vessel will be released from the obligation if
he is informed by the distressed vessel or by the search and rescue service
or by the master of another vessel which has reached the distressed position
that assistance is no longer required. |