[6] In September 2009, it was announced that GC Rieber Shipping had taken over Sea4's subsidiaries for a total of approximately 800 million NOK because at that time, no chartering agreements had been entered into for the newbuildings.

[2] GC Rieber had signed a two-year charter contract with Oceanografía S.A. de C.V. for the Mexican state oil company Pemex, starting Offshore services in the Gulf of Mexico in November 2011.

As a consequence a federal judge in Texas has told a United States Marshal to seize the vessel.

[11] From April to December 2017, the ship was used to transport equipment and personnel for the construction of the Nordsee One offshore wind farm in the German North Sea.

[13] An active heave compensated gangway mounted on board the vessel, allowed technicians and engineers to walk to Normally unmanned installations, e.g. the offshore riser platform Forties Unity in the Forties Oil Field, to perform scheduled maintenance or repairs.