Crew comfort was the major reason for a break with the traditional forward superstructure location when Norwegian designer Vik-Sandvik came up with the Viking-Avant.

The first example of this "superstructure aft" PSV is nearing completion at Aker Langsten and analysis by Det Norske Veritas indicates that the design should reduce noise in all operating conditions and as much as 10dB while using the dynamic positioning system.

The new bridge design also costs less and is claimed to be safer. Since the working deck is forward, only one main control position is required, against the normal requirement of two full sets, reducing the probability of human error.

The main engine is aft, eliminating shaft tunnel penetrations of the cargo area. The compartment layout is an after machinery space, hazardous cargo area midships and non-hazardous cargo forward. As a result, the cargo area has increased capacity and has improved segregation.

To ease cargo handling in harbor, a RO/RO tunnel cuts through the superstructure. The design can accommodate a slipway in the tunnel so the vessel can lift lifeboats. In classification terms, this feature contributes to acquiring Standby notation.

The vessel is prepared for many different environmental and operational challenges. The DNV class notations "Standby Vessel" and "OilRec" specify operational capabilities in an emergency situation; "ICE-C," "DEICE-C," "DynPos-AUTR" and "NAUT-OSV" describe the vessels ability to handle different environments and "CONTAINER," "LFL*," "DK(+)" and "HL(2.5)" describe the cargo handling requirements. "COMF-V(3)" is the highest degree of comfort onboard, and "CLEAN" includes anti-pollution requirements.