Communications

A variety of communication equipment can be used on the water - make sure you always carry at least two that will work when wet.

Communications equipment is an essential part of safe boating 

Have a look at the helpful resources and information on this page to learn about:  

two men are sitting in a dingy that is moored to a wharf. one of the men is holding up a personal locator beacon in his left hand.

Depending on where you are going boating and the type of boating you do, it will help you choose your communication equipment.

You should carry at least two types that will work when wet.

Our boating expert talks about carrying two waterproof ways to call for help before you head out on the water.

Your guide to communications 

The Radio handbook includes: 

  • correct procedures for marine radio communication 

  • information about coverage and services 

  • useful contacts and a glossary 

  • stickers for quick‑reference VHF channels. 

How to call for help

If you are in immediate danger and need urgent help, make a distress call on your VHF marine radio or set off your emergency beacon.

You can also use low‑tech ways to attract attention, such as: 

  • a horn to make noise 

  • a torch to wave, flash, or signal SOS (to signal SOS: use a torch to blink three short flashes, then three long flashes, followed by three more short flashes) 

  • a red flag 

  • your arms – raising and lowering both arms is recognised internationally as a distress signal.