These are 'Daughter craft' for the new type of stand-by, multi role, safety vessels already in service on the BP chartered vessels Caladonian Vanguard, Vision. you can see some of the designs and specifications on www.yantai-raffles.com
Suffered mechanical failure after leaving Holyhead, spent two nights in Caernarfon before resuming passage to Falmouth. Another mechanical failure off Porthdinllaen so diverted to Pwllheli for more repairs. Hope they get things sorted out before she is stationed in the North Sea!