What is a SART and how does it assist rescuers?

• A. A Search and Rescue Transponder that responds to radar pings with a signal to help rescuers locate the vessel.
• B. A device that cleans bilge water.
• C. A navigation aid.
• D. A life raft.

Answer: (A)

A SART is a radar beacon used in maritime distress signaling. It works by receiving a radar interrogation from a rescuing vessel and replying with a distinctive radar signal that shows up on the interrogating radar as a pattern of dots or a line, pinpointing the location of the lifeboat or vessel in distress. This makes it much easier for rescuers to find you, even in low visibility, at night, or in rough seas, because the beacon acts as a precise target that guides the search.

It's not a device for cleaning bilge water, not a general navigation aid, and not the life raft itself, though it is typically mounted on survival craft. The SART is the electronic beacon that helps rescuers locate you quickly when you’ve abandoned ship.