Each EPIRB shall be tested using the integrated test circuit and output indicator every __________.
Official USCG Answer & Rule Citation
Correct Answer: Option D — month
46 CFR 109.213 requires EPIRBs to be tested monthly using the integrated test circuit and output indicator. This routine check confirms the battery status and the integrity of the internal circuitry, ensuring the device will transmit a distress signal effectively if activated during a maritime emergency.
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