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NP285: Admiralty List of Radio Signals: Volume 5, Global Maritime Distress and Safety System, 6th Edition, 2025
Global Maritime Distress and Safety System (GMDSS)
| CONTENTS: | |||||
| Directions for updating the volume | ii | ||||
| Record of updates | ii | ||||
| Annual Notices to Mariners | ii | ||||
| Contents | iii | ||||
| Preface | vii | ||||
| Purpose of Admiralty Radio Signals | vii | ||||
| How to report new or suspected dangers to navigation or changes observed in aids to navigation | vii | ||||
| Feedback | vii | ||||
| UKHO contact details | viii | ||||
| How to obtain Admiralty Charts and Publications | viii | ||||
| Related Admiralty Publications and their contents | ix | ||||
| General information | x | ||||
| Abbreviations and Glossary | xi | ||||
