RV Dr Fridtjof Nansen Advanced Research Vessel, Norway

Dr Fridtjof Nansen

The new Norwegian marine research vessel RV Dr Fridtjof Nansen is owned by the Norwegian Agency for Development Cooperation (NORAD). The vessel is being built as part of the United Nations' (UN) Food and Agriculture Organization (FAO) project and will be jointly operated by the Institute of Marine Research (IMR) and the University of Bergen (UIB) to help developing countries improve their fisheries management.

In March 2013, Norwegian ship designer Skipsteknisk was awarded the contract to design the vessel under the designation ST-369. The construction contract was awarded to Spanish shipyard Astilleros Gondan in March 2014. The vessel is expected to be delivered by mid-2016.

The new fishery and oceanographic research vessel will replace an old vessel of the same name, which has been navigating the African coast since 1993, carrying out in-depth research in the marine ecosystems for the EAF-Nansen Project. Dr Fridtjof Nansen will be outfitted and prepared for operations in developing countries in Africa, Asia and Latin America. Her primary duties will include ecosystem studies, emphasising fishery research operations.

Dr Fridtjof Nansen features

Dr Fridtjof Nansen is being built according to ICES standards, which limit underwater radiated noise from research vessels. IMR and Skipsteknisk will work together on the specifications and drawings of the vessel.

The overall length of the vessel will be 74.5m, moulded breadth will be 17.40m and length between perpendiculars will be 66.10m.

The vessel has been assigned the class notation DNV + 1A1, E0, ICE-C, SPS, DYNPOS-AUT, NAUT-AW, COMF-C(2)V(2), BWM-T, TMON and Recycable by Det Norske Veritas.

Laboratories and scientific equipment

Dr Fridtjof Nansen will feature specialised laboratories, including a wet lab, also known as the fish lab, a plankton sampling lab, also called Benthos/Plankton lab, a dry lab for oceanographic studies, a foto lab, a climate lab and a seawater lab. To conduct marine research, the vessel will be equipped with a spacious operation centre with offices and a library, a CTD lab with a 27m² CTD hangar and a 53m² main scientific hangar.

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Scientific equipment onboard the ship will include a CTD Rosette water sampling system, a fully equipped weather station, a data acquisition system and a scientific computer system network.

It will also include scientific split-beam echo sounders, two acoustic doppler current profilers (ADCP) of 75Hz and 150Hz, an ocean surveyor, one omni-directional (intermediate range) fisheries sonar and two bathymetric multi-beam echo sounders, one for intermediate range (2,000m) and one for deep water (5,000m).

There will also be one synchronising system for all acoustic instruments, four hydrophones for trawl geometry system, two hydrophones for catch monitoring system and two hydrophones for multisampler, all mounted in drop keels. Two forward-looking low-light high-definition (HD) video cameras will be fitted to observe air bubbles.

Navigation and communication facilities

Navigation equipment onboard the vessel will include automatic identification system (AIS), electronic chart display and information system (ECDIS), and a separate electronic charting system. The ship will also include differential global positioning systems (DGPS) and gyro and attitude reference system units.

Accommodation and tank capacities

The research vessel can accommodate 45 people, including 15 seamen and 30 scientists. Onboard tanks will be capable of carrying 490m³ of marine diesel oil (MDO) and 175m³ of fresh water. A passive anti-rolling tank system will also be installed.

Winches and deck cranes

"The propulsion system will allow the vessel to cruise at a maximum speed of 14.5k."

Dr Fridtjof Nansen will be equipped with electric driven fishery and scientific winches, which will be supplied by RAPP HYDEMA. It will include two mooring winches with a capacity to trawl 40t each, one outhaul winch at the cod end with a capacity of 3t and one CTD winch. Other fishing winches include one pelagic net drum of 40t capacity, two trawl winches of 40t, one combined Gilson and wire winch of 11t, and a multi-purpose deep sea instruments winch.

It will also be equipped with one pelagic net drum (40t) and one bottom traul split net drum (26t), as well as one benthos sledge winch.

Cranes and handling equipment will be supplied by Triplex, including four deck cranes with a safe working load (SWL) ranging from three to eight tonnes, one CTD L-frame with a capacity of three tonnes, one A-frame at stern with SWL of ten tonnes and another main hangar telescopic A-frame with a capacity of ten tonnes.

Power and propulsion systems

Dr Fridtjof Nansen will feature a diesel electric propulsion plant comprising two DC electric motors working in tandem, each with a power rating of 1,500kW. The propulsion system will allow the vessel to cruise at a maximum speed of 14.5k.

The power plant will consist of two Mak nine-cylinder diesel generator sets and one Mak six-cylinder diesel generator set.

Propulsion will include five-bladed, fixed pitch propeller (FPP) thrusters, an 880kW retractable azimuth thruster in the bow, two 600kW tunnel thrusters, one double tunnel at the bow and one in the stern.