NYK Successfully Tests Remote Navigation of Tugboat

Progress toward practical remote navigation of ships by 2025

May 20, 2020

NYK and its group companies MTI Co. Ltd., Keihin Dock Co. Ltd., and Japan Marine Science Inc. (JMS) have successfully tested the remote navigation of a tugboat as a part of the Japanese government’s Sea Trial Project on Remote Control Navigation.*

Outline of the Remote Navigation Test
Within Tokyo Bay, a tugboat** equipped with a manned remotely controlled system*** was operated remotely from an operation center in the city of Nishinomiya in Hyogo prefecture approximately 400 kilometers away. This tugboat was maneuvered approximately 12 kilometers in Tokyo Bay between an area off Honmoku and an area off the port of Yokosuka.


Image by NYK Group.



The operator in the remote operation center was able to use sensors and cameras equipped to the tugboat to recognize surrounding conditions and created a route plan and action plan (collision avoidance route plan).

The operator shared the plans with the tugboat captain, who then approved them. The conditions that remotely navigated tugboat proceeded operations in accordance with the approved route plan and action plan were confirmed and evaluated.


Video of the Remote Navigation Test


Video by NYK Group.

Future Development
In the future, NYK and its group companies will work to overcome ship-to-shore communication issues that were revealed during this experiment, further improve the system, and aim to start remote navigation tests using domestic coastal ships within this year. We will continue to work with our partners to develop technology for large vessels in the future.



* A trial project that Japan’s Ministry of Land, Infrastructure, Transport and Tourism has been promoting since FY2018 to improve the environment, including the establishment of safety requirements necessary for the realization of autonomous ships. Companies selected to participate in the sea trial project on remote control navigation include MTI Co. Ltd.; ClassNK (Nippon Kaiji Kyokai); National Institute of Maritime, Port and Aviation Technology; Ikous Corporation; NYK; Keihin Dock Co. Ltd.; Mitsubishi Shipbuilding Co. Ltd.; IHI Power Systems Co. Ltd.; BEMAC Corporation; SKY Perfect JSAT Corporation; Tokyo Keiki Inc.; Nippon Telegraph and Telephone Corporation; NTT DoCoMo Inc., Japan Radio Co. Ltd.; Furuno Electric Co. Ltd.; and Japan Marine Science Inc.

** A tugboat operated by Shin-Nippon Kaiyosha Corporation, an NYK Group company, was used for this project.

*** To date, the NYK Group has been working with nautical instrument manufacturers and partners to develop a manned remotely controlled system that can support the crew. Such a system would collect, integrate, and analyze information around the ship, prepare an action plan, and after the approval of operators at remote locations or on board, take action in accordance with the plan.

NYK promotes activities that contribute to the achievement of the SDGs (Sustainable Development Goals) through the company’s business activities, and digital-technology use and technology-development efforts to realize the remote navigation of ships will contribute to the below goals.





NYK Group, press release