+44 (0) 1542 841245 Opening Hours: Mon to Fri 08:30 – 17:00 customerservices@poseidonnavigation.com
International SafetyNET Services Manual

International SafetyNET Services Manual

This edition of the Manual, renamed the International SafetyNET Services Manual, incorporates changes introduced to the Inmarsat satellite network and services including the Inmarsat Fleet Safety service, which has been recognized as a mobile satellite service for use...
Refreshed International Code of Signals

Refreshed International Code of Signals

A refreshed edition of the International Code of Signals (IB994E) has been released and is now available for purchase. Please note that this edition does not render the previous edition (IA994E) obsolete and IA994E remains valid for all purposes. The content of the...
Pay As You Sail

Pay As You Sail

The Challenger software has been designed and developed by Poseidon Navigation Services to provide the mariner with a simple yet effective solution for receiving weekly electronic Notices to Mariners and navigational updates, enabling the vessel to remain compliant...