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News & Announcements
Nautical Chart 414/1
The Hellenic Navy Hydrographic Service informs the mariners that the following paper nautical chart has been published and is available
3 July 2026
WORLD HYDROGRAPHY DAY 2026
2026, JUNE 21 WORLD HYDROGRAPHY DAY “Transforming how ocean data is shared” The Hydrographic Service of the Hellenic Navy (NHN),
11 June 2026
POSIDONIA 2026
The Hellenic Navy Hydrographic Service (HNHS) participated at the International Shipping Exhibition “POSIDONIA” for eighth consecutive time, which constitutes a
14 May 2026
