Delivered into Newport Docks on board the MV Fairload on 20 December, 2006, 66727 went into service with First GBRf, appearing at GBRf's new livery press launch on 8 January 2007 along with 66723, 66724, 66725 and 66726. On 22 October 2009, 66727 was named Andrew Scott CBE at the National Railway Museum in a ceremony honouring the outgoing Director of the museum. 66727 retained the name until 20 September 2016, when the locomotive was renamed as Maritime One.