Built in Singapore in 2013, the Britoil D-Class series of five sister Anchor Handling Tug Supply (AHTS) vessels was designed for versatility, reliability, and offshore performance. Over the years, the vessels operated across different fleets in some of the most demanding offshore environments worldwide, undertaking a wide variety of duties including offshore wind farm support, accommodation support, and the range of AHTS services for the oil and gas sector. At the start of 2025, Britoil.