Boating Coach
Communication and distressQuestion 348 of 566

You buy a new VHF radio. Which feature gives automatic digital distress alerts?

  1. Digital Selective Calling (DSC) on channel 70
  2. Continuous Marine Broadcast on channel 21B
  3. A weather alert on channel WX1
  4. A voice call button on channel 16
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Correct answer: Digital Selective Calling (DSC) on channel 70

DSC on channel 70 sends a digital alert for you in an emergency.

Source: Safe Boating Guide (TP 511E, 2026), Marine VHF radio, page 48

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Questions last reviewed: 18 October 2026