The most up to date version of the International Convention on Standards of Training, Certification and Watchkeeping for Seafarers, 1978 (STCW Convention).
NEW EDITION 2024. The GMDSS Manual provides, in a single comprehensive publication, an explanation of the principles upon which the GMDSS is based, including the radiocommunication requirements and recommendations for its implementation, the operational performance standards and technical specifications to be met by GMDSS equipment, and the procedures for and method of operation of the various radio services that form the GMDSS and the Master Plan for the GMDSS.
This manual is intended, primarily, for use by maritime Administrations and others concerned with the preparation and broadcasting of maritime safety information. It will also be of interest to seafarers, shipowners and others who need to receive such information in order to safely go about their business at sea.