Each EPIRB required on an OSV shall be tested using the integrated test circuit and output indicator every __________.
Official USCG Answer & Rule Citation
Correct Answer: Option C — month
46 CFR requirements for Offshore Supply Vessels (OSVs) mandate that EPIRBs be tested monthly using the integrated test circuit. This routine maintenance ensures the device's battery, internal electronics, and signal transmission capabilities are functional, guaranteeing reliability for emergency distress alerting during critical maritime search and rescue operations.
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