017E D
 What is the requirement for emergency and reserve power in GMDSS radio installations?
a) An emergency power source for radio communications is not required if a vessel has proper reserve power (batteries).
b) A reserve power source is not required for radio communications.
c) Only one of the above is required if a vessel is equipped with a second 406 EPIRB as a backup means of sending a Distress alert.
d) All newly constructed ships under GMDSS must have both emergency and reserve power sources for radio communications.
