UK Hydrographic Office

We provide world-leading @ADMIRALTYOnline products to help unlock a deeper understanding of the world's oceans.

UKHO is an executive agency of @DefenceHQ.

[ADMIRALTY @ADMIRALTYOnline]

Join us at #Posidonia2026, we're hosting two sessions dedicated to S-100:

- Seminar: Introduction to S-100
- Panel discussion: S-100 in focus

📅 Tuesday 2 June or Thursday 4 June 2026
🕛 12:45 - 14:30 (EEST) or 14:45 - 16:30 (EEST)

Register now: https://t.co/J8JhbFzhVg

[UK Hydrographic Office @UKHO]

We're pleased to announce our guest speakers for our panel at #Posidonia2026.

- Laura Neill, Product Lead, @SeallEcdis
- John Southam, Loss Prevention Director, @NSMarineIns
- Capt Konstantinos Strikos, Crew Trainer, Angelicoussis Group

Register now: https://t.co/TnxlsHQA3V

[UK Hydrographic Office @UKHO]

There is still time to register for our ‘S-100 in focus’ seminar at Sea Japan next week.

Designed for bridge teams, ship operators and maritime professionals, this session will help you understand what is changing, what is not, and what to expect next.

https://t.co/EWMBoytJDi

[UK Hydrographic Office @UKHO]

Join our upcoming in-person seminar at Sea Japan, Tokyo.

Hear the latest insights from live sea trials and shore-based testing.

Wednesday 22 or Thursday 23 April 2026
11:10 – 12:30 (JST)
Tokyo Big Sight – Presentation Room F, West Hall 4

Register: https://t.co/nBQVFPSkFX

[UK Hydrographic Office @UKHO]

Join the UKHO’s Thomas Mellor, Head of Technical Partnerships, and Tomohiro Yoneyama, Account Manager, as they explore the emerging S-100 framework at our S-100 in focus seminar at Sea Japan.

Register now: https://t.co/4bpxvLZKWf

[UK Hydrographic Office @UKHO]

Help us shape the future of UKHO services and take our ten-minute survey.
We’ve partnered with Frazer-Nash to better understand how our data supports customers and partners. To ensure we’re delivering real value, we would like to hear from you.

Take part: https://t.co/2AKqWWd0hp

[UK Hydrographic Office @UKHO]

S-100 in focus comes to Sea Japan 2026.

Join our in-person seminar in Tokyo to explore the emerging S-100 framework.

Wednesday 22 or Thursday 23 April 2026
11:10 – 12:30 (JST)
Tokyo Big Sight – Presentation Room F, West Hall 4

Register now:
https://t.co/PK2tuCgV2x

[UK Hydrographic Office @UKHO]

Missed our S-100 in focus webinar last week?

The recording is now available on our website, catch up on the discussion as we shared exclusive insights from live S-100 sea trials: https://t.co/y0cE7qOegY

Thank you to all those who joined us live, we hope you enjoyed the session.

[UK Hydrographic Office @UKHO]

We’re thrilled to announce Patrick Kelly BSc (Hons) PGCert PGDip AFRIN, Software Product Development Manager at @OSIMaritime Systems, will join our panel of experts on Wednesday 4 March at our S-100 in focus: Sea trial insights webinar.

Register today: https://t.co/VF6KEgSO98

[UK Hydrographic Office @UKHO]

Members of the UKHO have helped reveal the intricate details of an underwater seamount and a new steep ridge near the Turks and Caicos Islands.

As hydrographic experts, we are proud to support the @BlueBeltProgramme's Beyond The Reef expedition.

[Blue Belt Programme @ukgovbluebelt]

Look at this seamount and ridge we mapped on the Gentry Bank, in the Turks and Caicos Islands!

The existing chart, created in the 1980's, suggested something was there. But there was no indication of such a continuously prominent ridge in this area!

#BeyondTheReef26 @UKHO

[UK Hydrographic Office @UKHO]

Join our upcoming live webinar, S-100 in focus: Sea trial insights.

Hear early insights from ongoing sea trials and ask your questions during a live Q&A.

Wednesday 4 March
Choose a time that suits you:
09:00 - 10:00 UTC
13:00 - 14:00 UTC

Register now: https://t.co/3vPYevUUwd

[UK Hydrographic Office @UKHO]

We were delighted to welcome Gideon Amos OBE, Member of Parliament for Taunton and Wellington, to officially open our newly refurbished onsite nursery last week.

The Tops Mini Mariners nursery is a key part of the UKHO’s family-first approach to working life.

@topsdaynursery

[UK Hydrographic Office @UKHO]

Join us for our live webinar as we share exclusive learnings from our live sea trials and how you can prepare for the transition to S-100.

📅 Wednesday 4 March
🕐 Choose a time that suits you:
09:00 - 10:00 UTC
13:00 - 14:00 UTC

Register now: https://t.co/tLnSVXhK9F

[UK Hydrographic Office @UKHO]

When will type-approved S-100 ECDIS be available?

With type-approved S-100 ECDIS expected to be available from 2028, our guide helps you to plan with confidence as the maritime industry transitions to the @IHOhydro new universal hydrographic model.

https://t.co/A7AaxOOxrF

[UK Hydrographic Office @UKHO]

It's great to reflect on our success at last year's MOD Quality Awards. Congratulations to our Geodesy team and Susannah Carlson for their well-deserved recognition.

[UK Hydrographic Office @UKHO]

Working with @shom_fr and multiple ECDIS manufacturers, we're testing S-100 data standards on real vessels, with real mariners, across operationally challenging routes.

Read more about the trials: https://t.co/f7sSOV10r4

[UK Hydrographic Office @UKHO]

Season's greetings from the UK Hydrographic Office.

Wishing you all the warmest of seasonal greetings and good health and happiness for 2026.

With our thoughts and best wishes to those serving at sea.

#SeasonGreetings

[UK Hydrographic Office @UKHO]

As key S-100 milestones approach, we’ve outlined the full S-100 timeline and what it means for the maritime industry.

Read our complete guide to the transition to the @IHOhydro's new hydrographic data model: https://t.co/KpJeaht5OJ

[UK Hydrographic Office @UKHO]

We've launched S-100 sea trials with @shom_fr, which form part of the @IHOhydro's international testbed framework.

This cross-industry collaboration brings together hydrographic offices, OEMs and ports to test S-100 in real-world scenarios.

Read more: https://t.co/EJYQwR5iuW

[UK Hydrographic Office @UKHO]

Today is #AntarcticaDay, marking the 1959 #AntarcticTreaty signed by 12 nations to keep the continent a natural reserve for peaceful purposes. This chart shows early navigation of Antarctica.

This week, our team is attending the @IHOhydro Hydrographic Commission on Antarctica.