The ships are designed for the quick transfer of personnel for the construction or maintenance of offshore structures such as B. Offshore wind farms or structures in the offshore oil and gas industry. They are made of aluminum. The hull is designed as a catamaran . It is based on the shipyard's “Sea Ax” concept.
The drive of the vessels is carried out by two four-stroke - eight-cylinder - diesel engines of the manufacturer MTU (type: 8V2000 M72), each with 720 kW power , which gearbox depending on a fixed propeller act. The maximum speed that the ships can reach is given as 25 kn . The range of the ships is at least 700 nautical miles . Two Caterpillar generator sets (type: C2.2T) with 22.5 kW power (28.1 kVA apparent power ) each are available for the power supply.
There are open deck areas in front of and behind the deckhouse . The open deck area is 50 m² (30 m² in front of and 20 m² behind the deckhouse). The deck can be loaded with 1.5 t / m². A maximum of 4 t of load can be loaded on deck. The deck can be fitted with container fittings so that there is space for a 10-foot container in front of and behind the deckhouse. A hydraulically operated crane with which loads can be moved is installed on the starboard side in the fore ship area.
In the bow area there is a platform slightly above the main deck, via which personnel can transfer to offshore structures. The entire bow area in the area of the platform is equipped with rubber fenders for approaching offshore structures .
The ships are driven by a crew of four . In the deckhouse there are twelve seats on the main deck for people to be transported. There is also a cabin for two people here. A changing room for workers can also be set up.
