Which of the following is part of the annual SOLAS required test on an EPIRB?

Correct Answer: Option C — verification that the unit has been maintained by a shore based maintenance provider

SOLAS Chapter IV and related IMO guidelines require EPIRBs to undergo periodic testing, including mandatory servicing and inspection by an approved shore-based maintenance provider at intervals not exceeding five years, ensuring operational reliability and compliance with international distress alerting standards.