Scillonian IV completes sea trials in Vietnam

(14 July 2026) Scillonian IV, the Isles of Scilly Steamship Group’s new purpose-built passenger ferry, has completed sea trials in Vietnam, marking a significant milestone in the ship’s construction.

Sea trials are a critical stage in the build programme, during which the vessel’s performance, manoeuvrability, propulsion and onboard systems are rigorously tested at sea to ensure they meet design specifications and international standards.

Scillonian IV departed the shipyard in Ho Chi Minh City on Tuesday 14th July and made her way down the Nhà Bè river into the South China Sea in preparation for sea trials off the coast of Vung Tau. She spent the week conducting speed and operational trials as well as testing key pieces of onboard machinery such as deployment of anchors and safety boats.

Scillonian III Master Joe Whetton, Technical Superintendent Luke Parnell and Engineer Jonathan Jackman joined the project team in Vietnam to witness the trials, in collaboration with Piriou shipyard and the classification society, Lloyds Register. This also commences the start of the familiarisation process for Scillonian IV.

New vessels project manager Chris Lingham said: “Scillonian IV is found to be a comfortable and quiet vessel that rides the sea well. She is not only looking great but is exceeding expectations with her performance.”

Scillonian IV will now undergo final fit-out and certification before making her delivery voyage to the UK ahead of entry into service.

Stuart Reid, Chief Executive of the Isles of Scilly Steamship Group, said: “The commencement of sea trials represents an important step towards bringing Scillonian IV into service next year.

“Sea trials are a vital stage in the shipbuilding process, providing the opportunity to thoroughly test the vessel in real operating conditions before she moves closer to completion.

“We’re delighted to see the project reaching this crucial phase and look forward to sharing further updates as Scillonian IV continues her journey towards serving the Isles of Scilly.”

Once complete, Scillonian IV will carry up to 600 people, a 24% increase on current levels, whilst reducing journey times. It will feature roll and pitch reduction systems, enhancing passenger comfort, and is designed utilising modern propulsion technologies that improve efficiency and reduce environmental impact.

The Steamship Group’s £40m vessel replacement programme represents one of the most significant investments in the company’s history, reaffirming its commitment to supporting island communities through improved passenger and freight services.

Together with Menawethan, the Steamship Group’s new freight ship which officially entered service this week, the vessels represent a £40m investment in the future of the islands’ lifeline transport links, ensuring modern, resilient and fit-for-purpose freight and passenger services for the Isles of Scilly.