Complex sentence: Stopping off at Holyhead in North Wales to use the Stena Explorer's linkspan while the Explorer was on her routine crossing, to bring bunkers onboard before finally leaving for South America on 1st October 2009.
Split into simpler sentences: Stopping off at Holyhead in North Wales to use the Stena Explorer's linkspan, while the Explorer was out of port. This was to bring bunkers onboard, she then finally left for South America on 1st October 2009.