If pyrotechnic visual distress signals are required, There must be at least three pyrotechnic VDSs on board if they are to be deployed. A visual distress signal may not be used unless the person sending it is in urgent danger and need help. This is further explained below.
What is pyrotechnic visual distress signals?
Generally, If pyrotechnic VDSs are mandated, at least three must be carried. No one may utilize a visible distress signal unless they are in immediate danger and can't wait for aid to arrive.
In conclusion, In the event that pyrotechnic visual distress signals are mandated, at least three such devices must be carried. In order to deploy a visual distress signal, the sender must be in immediate danger and want assistance.
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