Boat owners, shipping companies and anyone who puts out to sea are being informed about a change in some of the VHF channel numbers used to contact UK Coastguard.
As a result of changes to Appendix 18 (Marine VHF) of the Radio Regulations it will mean that VHF channels 23, 84 and 86 will no longer be used for either Maritime Safety Information (MSI) or Radio Medical Advice.
The channels to use from September 2017 will be VHF 62, 63 and 64. The use of VHF Channel 10 for MSI and pollution control (back up) is unchanged.
Mark Lawson from the Maritime & Coastguard Agency said: 'Although it’s not happening until September, when it happens the changeover will be absolute and we want to make people aware of this changeover in good time given our commitment to deliver maritime safety and wider support to the maritime community.
'The exact date of change will be announced as soon as possible. In the meantime, we suggest anyone who uses any type of vessel makes a careful note of these replacement channels so they are ready when it does happen.'