Which of the following is a correctly formatted Inmarsat-C address book entry for sending TELEX communications to a vessel in AOR-W?
Official USCG Answer & Rule Citation
Correct Answer: Option B — 5841502927
The 584 prefix is the standard identifier for the Atlantic Ocean Region-West (AOR-W) in Inmarsat-C TELEX addressing. The sequence 5841502927 correctly follows this format, ensuring the message is routed through the correct satellite and Land Earth Station infrastructure to reach the intended recipient in the AOR-W.
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