The vessel quartet are to be built at the Remontowa Shipbuilding yard in Poland, with delivery dates of the third quarter of 2015 and the second quarter of 2016.
Warstila Solutions vice president Magnus Miemois said the PSVs were being outfitted to cope with both challenging sea conditions and strict emissions regulations.
The 5500-dead weight tonnage PSVs will be made with the VS 4411 DF design that features dual-fuel propulsion and runs primarily on liquefied natural gas.
The
