Marine Link
Wednesday, November 5, 2025

Sea Trial News

07 Oct 2025

HII Completes Initial Sea Trials of Virginia-Class Submarine Massachusetts

© HII

HII announced that its Newport News Shipbuilding division has successfully completed initial sea trials for Virginia-class attack submarine Massachusetts (SSN 798).Over the course of several days at sea, the NNS and Navy team conducted testing of systems and components, including submerging the submarine for the first time and high-speed maneuvers while on the surface and submerged. The testing program will continue at NNS ahead of delivering the boat to the U.S. Navy.The boat, the 25th Virginia-class submarine, was christened in May 2023; Massachusetts will be the 12th delivered by NNS.

24 Sep 2025

Sanmar Tug for Ultratug Proves Its Strength in Successful Sea Trials

© Sanmar Shipyards

Sanmar Shipyards latest tugboat, built for Ultratug, has successfully completed a comprehensive program of sea trials in Tuzla, Turkiye.Known during construction as Boğaçay LXXIX, the tug is based on the RAmparts 2400SX-MKII design by Canadian naval architects Robert Allan Ltd., a model exclusive to Sanmar. The design has been tailored to meet the demanding operational needs of Ultratug.The trial results were witnessed by representatives from Ultratug, Sanmar, and classification and quality teams.

22 Aug 2025

ACUA Ocean Hydrogen-Powered USV Completes 24-Hour Sea Trial

© ACUA Ocean

ACUA Ocean's hydrogen-powered unmanned surface vessel (USV) PIONEER has successfully completed the world's first continuous, remote 24-hour offshore operation on zero emissions, marking a breakthrough in the decarbonization of the global maritime sector.The sea trials demonstrate the commercial potential of hydrogen power for maritime operations while supporting the UK's ambition to become a world leader in clean maritime innovation.During the trial, PIONEER sailed to the Eddystone Lighthouse…

25 Jun 2025

Stena Line Hybrid Ferry Successfully Completes Sea Trials

© Stena Line

Stena Line has announced that Stena Futura, the first of its new hybrid ferries destined for the Irish Sea, has successfully completed its sea trials.The completion of the sea trials is a milestone in the build Stena Futura and the vessel is on schedule to enter service on the Belfast-Heysham route in late summer.Sea trials are designed to test the vessel at sea to demonstrate the proper function of the ship to ensure that all systems are fully operational and in line with agreed specifications.