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Atlantic Marine & Aviation LLP - Brighton | Great Yarmouth

DVS Alliance



A New Generation Of Offshore Mother-ships

Atlantic Marine were proud to announce that the re-built, 3,700 GRT, 78M DSV Alliance joined the ‘Atlantic’ fleet in September 2015.

Leading the way in offshore accommodation support, this vessel is the second in a series of three vessels to be offered by Atlantic Marine.

Is the solution to the Round 3 offshore wind “accommodation for technicians” requirements and the offshore hydrocarbon platform accommodation “walk to work” need for a powerful, stable, deep sea /offshore DP2 ‘Floatel’ with multi role OSV capabilities including Diving and ROV support.

The vessel is certified for worldwide trading although the vessel has predominantly worked in the North Sea. The Alliance provides services which include saturation dive support for offshore construction and inspection, repair and maintenance operations and pipeline burial & excavation.

Diving System

The saturation diving system is capable of supporting 16 divers in 3 living chambers allowing for split level diving or ongoing decompression. The system is rated to 350msw, but presently certified to 250msw. The 6m3 bell accommodates three divers and is launched and recovered through an aerated moonpool.

Multi-purpose work roles:

  • 80-90 berths* in mainly ensuite cabins
  • Dynamic Positioning DP2 (Kongsberg Maritime)
  • High Power Position Capability provided by 3 x 800HP tunnel thrusters & 6000HP Main Engines
  • Walk to Work: Heave compensated Gangway system* capability* (*option)
  • Offshore Lifting: 140 Ton Crane with extended boom to lift to offshore Turbines
  • Helicopter Operations: Heli Transfers with Kongsberg heli operations system and Medivac capability
  • High Speed Daughter Craft / FRC for safety support including guard ship response.