How does the searching vessel's radar interrogate a survival craft SART?
Official USCG Answer & Rule Citation
Correct Answer: Option B — The SART responds automatically when it detects the search craft or other vessels' X-Band radar signal.
Search and rescue operations rely on X-band marine radars (9 GHz / 3-cm) because SART units are specifically engineered to automatically detect and sweep in response to these exact frequency transmissions.
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