Deck General · EPIRBs & Distress Signals
A Search and Rescue Transponder (SART) operates on which frequency band?
- A406 MHz
- B121.5 MHz
- C9 GHz (X-band radar)✓ Correct
- D156.8 MHz (VHF Channel 16)
Explanation
A SART operates in the 9 GHz X-band radar frequency range. When interrogated by a ship's or aircraft's X-band radar, it responds with a distinctive line of 12 dots on the radar display, extending radially from the SART's position to help rescuers home in on survivors.
Authority: SOLAS
Practice the full Deck General bank
Free spaced-repetition quizzing across 2190 USCG exam questions — it schedules your reviews so the ones you miss come back until they stick.
Related Deck General questions
- EPIRBs & Distress Signals
406 MHz EPIRBs are required to be registered with which agency in the United States?
- EPIRBs & Distress Signals
A Category I EPIRB differs from a Category II EPIRB in that a Category I EPIRB:
- EPIRBs & Distress Signals
A hand-held orange smoke signal may be used to signal distress during the day. Under SOLAS, the minimum burn duration for a buoyant orange smoke signal is:
- EPIRBs & Distress Signals
A rocket parachute flare, when fired, should reach a height of at least:
- EPIRBs & Distress Signals
Line-throwing apparatus required aboard inspected vessels under 46 CFR must be capable of throwing a line to a distance of at least:
- EPIRBs & Distress Signals
What is the correct action when inadvertently activating a 406 MHz EPIRB that is properly registered with NOAA?