Seven Kestrel

Seven Kestrel

Wärtsilä has delivered the design for a new diving support vessel (DSV) to be built for Subsea 7, the seabed-to-surface engineering, construction, and services contractor to the offshore energy industry.

The VS 4725 DSV design has been created by Wärtsilä Ship Design specifically for this vessel, which is being built at the Hyundai Heavy Industries (HHI) shipyard in Korea. The contract was signed with HHI in December, and the vessel was delivered during spring 2016. The vessel is intended for North Sea diving operations on a year round basis. In customizing the design of such a complex vessel, close co-operation between Subsea 7, HHI, Drass Energy, the diving equipment supplier, and Wärtsilä was essential. The result is a state-of-the-art, technologically advanced vessel design that offers high safety and good working conditions to all personnel onboard, as well as safe and efficient operations in often challenging sea and weather conditions.

“The development of the Wärtsilä VS 4725 DSV, the development of the dive system by Drass, and the overall design and building by HHI is the result of good co-operation between all the parties involved. Wärtsilä Ship Design’s willingness and ability to adapt to the specific requirements and standards needed were key considerations in the award of this contract,”

Mr Stuart Smith, Vice President for Technology and Asset Development, Subsea 7

Subsea 7 – VS 4725 DSV
  • Length: 123m
  • Breadth: 24m
  • Depth: 10.5m
  • Accommodation: 110 POB
  • Read the full story

Wärtsilä Ship Design

Wärtsilä is the leading designer for OSVs, and our extensive reference list for offshore vessels include everything from complex Offshore Construction Vessels to the world’s most advanced LNG powered ships, and low cost AHTS Vessels. We take pride in making customised designs according to the specific needs of the customer, achieving the right balance in functionality and new build cost.

Why our customers chose us:

  • End-to-end local capabilities in Europe and Asia
  • Combination of expert knowledge, track record and innovation
  • On-time delivery
  • Reduced risk by integration between the products and design secures the construction, performance and operation
  • Flexibility in selection of yard and equipment make
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