This useful A4 portrait card provides guidance on distress alerts. A tough plastic lamination (you can write the ship's name, call sign and MMSI on it with any

Seafarers must be prepared to cope with the worst situations that the sea can offer. In this new edition, Meurn gives seamen the most up-to-date information in

This handy book for the leisure user is a quick-reference guide to radio procedures (including Urgency, Safety, and Distress messaging); installing and maintain

A guide to passing the operator's examination for the Global Maritime Distress and Safety System (GMDSS), which will be compulsory for ships over 300 tons as fr