Maritime QuestionsGMDSS

Your vessel's EPIRB expiry date printed on the unit has passed. What does this mean in practice?

A. It will still transmit, just with slightly reduced range
B. It cannot be relied upon to transmit at all — an expired EPIRB is functionally the same as having none, especially critical on a lone-operated vessel with no one else to raise an alarm
C. It only affects the battery indicator light, not function
D. Expiry only matters for EPIRBs registered after 2020
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You need to send a distress alert because the vessel is taking on water faster than the pumps can cope. Which message format and channel/priority is correct?
A. A "Pan-Pan" urgency call on a working channel
B. An email to the management company describing the situation
C. A "Securité" safety message broadcast on Channel 16
D. A "Mayday" distress call on Channel 16 / DSC distress alert, giving position, nature of distress and assistance required
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True or False: An EPIRB should be registered with the relevant national authority, and the registration details kept up to date so that a false alarm can be quickly resolved or a real activation correctly attributed.
A. True
B. False
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