Vessel Details The H Class vessels boast of over 4600-tonne deadweight cargo carrying capacity to support offshore platforms, DP drill ships, semi-submersibles or jack ups supply. With its large deck area and accommodation capacity of 44 persons, the vessel is able to support offshore construction work as well. This Class is also fitted with LFL* (methanol) tanks. The four-engine diesel electric power generation plant in addition to the high efficiency of the Rolls-Royce “Contra Rotating” propellers provides very economical fuel operations. The H Class is certified by DNV GL for “Clean Design”, resulting in lower emissions to atmosphere from all machinery including refrigerant gases. Its large deck capacity makes this Class of vessels very adaptable to support survey work as well.