Maersk Supply Services has turned to Chilean shipyard Asenav with an order for up to six offshore support vessels.

AP Moller-Maersk’s offshore shipowning arm will pay $200m for the first two firm vessels and is sitting on options for four more.

Asenav will wheel out the firm 150-tbp ships, which are designed for harsh-environment operations off Canada, in February 2014 and January of 2015, a statement says.