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VHF radio telephone illustration

Marine Radio

  • 21-82 KHz (MF)
  • Channel 16, 156.8 MHz (VHF)
  • DSC alert, channel 70 (only for DSC-type radios and where the service is offered)
Sound signaling device illustration

Sound Signaling Device

  • Continuous sound with any foghorn, bell or whistle
  • Gun or other explosive signal fired at one-minute intervals
Pyrotechnic distress signal illustration

Pyrotechnic VDS

  • Pyrotechnic red flares, hand-held or aerial (day/night use)
  • Pyrotechnic orange smoke, hand-held or floating (day use)
  • Launchers for aerial red meteors or parachute flares
EPIRB marine distress signal illustration

EPIRB

  • Use alarm signal
Boat SOS light signal illustration

Flashlight

  • Flash S.O.S. signal (short-short-short long-long-long short-short-short).
  • Unit 7 of 7
  • Topic 1 of 1
  • Page 3 of 27
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