Designed to be displayed near the DSC VHF this essential reference card has blank spaces where you can write your boat name, MMSI number & call sign using a permanent marker pen. The first part of the card leads the user through the DSC Alert & the second part shows the spoken Mayday procedure. Printed using light-fast ink & encapsulated with a heavy duty plastic for cockpit use & abuse. Card to be kept near radio listing procedure for Mayday call.