Boating Coach
Communication and distressQuestion 358 of 566

Which type of EPIRB beacon works on the water?

  1. 121.5 MHz
  2. 243 MHz
  3. Any frequency, if it floats
  4. 406 MHz
Show answer

Correct answer: 406 MHz

Only 406 MHz beacons work. Replace old 121.5/243 MHz beacons.

Source: Safe Boating Guide (TP 511E, 2026), Emergency Position Indicating Radio Beacons (EPIRBs), page 49

All questionsPractice the topic "Communication and distress"

Questions last reviewed: 18 October 2026