BBC Rushmore (IMO: 9508469)

The BBC Rushmore arriving into Sunderland at dawn having left Rotterdam the previous day. At first glance it appeared that this was just another routine cargo ship arrival, but on closer inspection there was a bonus in the form of the utility vessel 'NP574' on deck (PIP #1). The Rushmore was not present for long, departing that same evening for St John's in Canada. NP574 was still on deck - is it heading for a new life in Canada?