Check out the RNLI's VHF information page to see their interactive VHF range calculator 


CHANNEL NUMBER

USE

6 Ship to Ship
8 Ship to ship
12 Port operations
13 Bridge to Bridge
16 International Distress, Safety & Calling Channel
23 HM Coastguard Maritime Safety Information (Weather)
67 HM Coastguard Small Craft Safety Channel
70 DSC Reserved Channel. No Voice Communications
72 Ship to Ship
77 Ship to Ship
80 Port Operations (UK Marinas/ Harbours)
84 HM Coastguard Maritime Safety Information (Weather)
86  HM Coastguard Maritime Safety Information (Weather)

 

Distress & Urgency Calls:

MIRPDANIO - a way to remember what to include in a Distress call: 

 

Mayday

Identity of your vessel

Repeat

Position

Distress type

Assistance required

Number of people onboard

Information

Over

 

PIPDANIO - a way to remember what to include in an Urgency call:


PanPan

Identity of who you are calling & of your vessel

Position

Distress type

Assistance required

Number of people onboard

Information 

Over