In 2011 DSB chartered the crew transfer vessels ‘Maestro’ and ‘Deliverer’ to ‘Global Marine Systems’ for work at the Thornton Bank Offshore Windfarm in Belgium. The vessels were used for personnel transport between cable lay barge and turbines on site.

Maestro is an 18m South boat Aluminium catamaran capable of speeds of 24 knots. She has a clear deck space of 16m2 aft and 32m2 fwd. Deliverer is a 14m South boat aluminium catamaran with an aft deck of 19.5m2 and 19m2 fwd. She has a maximum unloaded speed of 25 knots.