Stålbas lease contract expired at the end of 2006, Tromsøs on 20 March 2007, and Chieftains at the end of 2007.  was delivered in August 2009, Bergen in late 2009/early 2010 and Sortland in 2010.
Stålbas lease contract lapsed at the end of 2006, Tromsøs on 20 March 2007, and Chieftains at the end of 2007. The vessel was delivered in August 2009, Bergen in late 2009/early 2010, and Sortland in 2010.