86. Why must all MF-HF Distress, Urgency and Safety communications take place solely on the 6 assigned frequencies and in the simplex operating mode?

For non-GMDSS ships, to maximize the chances for other vessels to receive those communications.
Answers a) and c ) are both correct.
For GMDSS or DSC-equipped ships, to maximize the chances for other vessels to receive those communications following the transmission of a DSC call of the correct priority.
To enable an RCC or Coast station to only hear communications from the vessel actually in distress.

« PreviousSkipNext »

Show clarification Download PDF

Comments (0)

There are no comments at the moment. If you found an error or think question is incorrect, tell everyone about it