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Legacy website and other services unavailable

Following a fire at one of the IHO web hosting service providers, the IHO legacy website, the S-100 website, and some documents on the IHO website are currently unavailable.

Circular Letters 2021

SAIHC20 (2024)

SAIHC20 Plenary 17 - 19  September 2024/ Kenya (Hybrid) Online Registration 

Circular Letters 2024

Cartas Circulares 2019

Vital services continue around the world

Despite the covid-19 pandemic and many people across the world having to work from home, Hydrographic Offices around the globe can be proud of the work they are doing to continue to ensure safety at sea and other vital maritime services. Hydrographic Offices have had to adapt to new circumstances and are successfully ensuring that critical operations move forwards. Maritime Safety Information continues to be shared, NAVAREAs covered, and even the production and maintenance of digital nautical charts (ENCs) and relevant online marine data services is continuing despite constraints linked with the pandemic.

IRCC16 (2024)

16th Inter-Regional Coordination Committee (IRCC16) 10 - 12 June 2024 Santa Cruz Island - Galapagos, Ecuador Last Update on the List of Documents: 

S-57 FAQ's

S-57 Frequently Asked Questions

S-57 FAQ's

S-57 Frequently Asked Questions