Ship Inspection Tour – Heiyo

Japan Coast Guard's largest survey vessel "Heiyo" open for public viewing

Heiyo is fitted with the latest surveying tools including multi-beam sounding equipment, an autonomous underwater vehicle (AUV) and autonomous survey vehicles (ASV). The ship is equipped with an azimuth thruster for precise position holding capability for enhanced oceanographic surveying. Heiyo will conduct surveys of seabed topography and geology necessary to secure Japan's maritime interests in the Sea of Japan and the East China Sea.


"Heiyo" will be open for inspection at Ariake West Futo(located right next to Tokyo Big Sight). The Japan Coast Guard's largest-ever survey vessel, Heiyo, which was commissioned on 29 January 2020, will be berthed alongside Sea Japan for public inspection on 12 April. With a gross tonnage of 4,000 tonnes and construction costs of JPY 13.1 billion, it is the first large size survey vessels to join the Japan Coast Guard fleet for over 20 years and will significantly strengthen the nation’s maritime security capability. Do not miss this valuable opportunity go aboard the Heiyo and inspect its advanced survey equipment.

1. Observation room / 2. Bridge / 3. GNSS-A seafloor geodetic observation system / 4. Multi-Beam Echo Sounder / 5. Acoustic Doppler Current Profiler (ADCP) / 6. Sub-Bottom Profiler / 7. Hybrid positioning system / 8. Autonomous Underwater Vehicle (AUV) / 9. Unmanned Surface Vehicle (USV)


Vessel Name: Heiyo

Hull Number: HL11

Date of Commission: 29 January 2020

Gross Tonnage: 4,000 tonnes

Length: 103 metres

Beam: 16 metres


〇 Date & Time: 12 April 2024  10:00am - 4:30pm (End of Reception: 4:00pm)

〇 Venue: Ariake West Futo (Wharf)(located right next to Tokyo Big Sight) 

〇 Admission: Free of Charge
*The general public (including those under the age of 18) who are not related to the maritime industry can also participate.

〇 How to Attend: Please come to the registration counter on Ariake West Futo directly.

〇 Organised by Informa Markets Japan Co Ltd

〇 Supported by Japan Coast Guard


●You cannot use the toilet on board.

●Please refrain from wearing shoes that may cause you to fall, such as high heels.

●Please note that large luggage such as carry cases and strollers cannot be brought on board.

●Sea Japan 2024 is a B2B international exhibition for industry professionals. Only people from the maritime industry and people from other related industries can visit. If you are interested in attending the exhibition, please register in advance using the link below.

Click here for pre-registration for visitors to Sea Japan 2024 


Ariake West Terminal (go straight through the Ariake Passenger Terminal next to Tokyo Big Sight)

*Get off at Shinkotsu Yurikamome "Tokyo Big Sight" and walk for 5 minutes
*There is no parking lot, so please use public transportation.


Click the pictures below to download the maps.

For more details, please feel free to contact us.

Informa Markets Japan Co Ltd
Kanda 91 Bldg., 1-8-3 Kaji-cho, Chiyoda-ku,
Tokyo 101-0044 Japan