When you you use pyrotechnic visual distress signals, the number of unexpired vdss that you must carry on board your vessel is a minimum of three.
<h3>What is a distress signal?</h3>
It should be noted that a distress signal simply means a signal from a a ship when it's in danger
In this case, when you you use pyrotechnic visual distress signals, the number of unexpired vdss that you must carry on board your vessel is a minimum of three.
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