Question 54 Deck Safety

70% to pass

You have abandoned ship and are adrift in a liferaft with a SART. What signal will indicate to you that a 3 cm radar has interrogated the SART unit?

A SART units do not respond to integration by a 3cm radar
B the unit will emit an audible alarm and visual signal
C your latitude and longitude will appear on the display
D the serial number of the unit will appear on the display
AI Explanation

The correct answer is B) the unit will emit an audible alarm and visual signal. When a 3 cm radar interrogates a SART (Search and Rescue Transponder) unit, the SART will respond by emitting a series of blips or spikes on the radar display, along with an audible alarm and visual signal. This is the designed function of the SART to alert rescue vessels that there is a survivor in the water. The other answer choices are incorrect - the SART does respond to 3 cm radar interrogation, it does not display latitude/longitude or the serial number, and those are not the intended signals.

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Official Resources
46 CFR Lifesaving Equipment USCG Marine Safety Center USCG National Maritime Center
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