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Marine

Owners Cabin

Owners Cabin

Designed for construction company Henssler & Friedrichs upcoming website.

1 OSV

1 OSV

An 83 mtr OSV that will set new standards in design, capability, safety, comfort and efficiency. A truly outstanding vessel that will re-write how offshore wind arrays will be serviced for their 20+ year life

  • 100+ mtr elevated access system - worlds first!
  • (4) Four 18 mtr SWATH daughter craft
  • 36 Single berth Cruise Ship Technicians Cabins each with their own balcony
  • W2W system as standard 
  • Shell doors for commercial diving / ROV
  • UAV / Drone platform 
  • DP2 / FiFi2 
  • Ships crew of 24


1 OSV was 3D modelled in conjunction with Anna Corona Designs for Sterling Scott yacht design.

58m Explorer

58m Explorer luxury motor yacht

55m Traditional

55m Luxury Motor Yacht

BO Concept

O Yachts - BO Concept

  • Wave piercing hull
  • Wave piercing wet deck
  • High bridge deck clearance
  • Complete protection in cockpit against sun and rain
  • Generous living area under the cabin roof
  • Easy handling with reduced main sail and furling front sails


Underway Contracts has once again had the opportunity to work with Clifford Denn, 3D modelling and visualising the BO Concept, developed by Laurent Bourgnon and designed by Clifford Denn for O Yachts. Far away from the usual definition of a catamaran, they came up with a solution for comfort and performance.


55m Semi Custom Range

55m Semi Custom Range

  • Builder - Hakvort Shipyard
  • Year - 2010 March-April
  • Interior / Exterior Design - Clifford Denn Designs
  • Accommodation - 10 VIP guests & 4 twin cabins
  • LOA - 55m / 180’45’’
  • Beam (overall) - 9.8m / 32’15’’
  • Draft - 2.85m / 9’35’’ at 50% load
  • Speed - Max 17 (steel hull) and 30 knots (aluminium hull)
  • Hull - Steel / Aluminium
  • Engines - 2x MTU main engines


Clifford Denn Designs are primarily involved in luxury yacht exterior styling and interior design, but also cruise ships, product, furniture and graphics. Clifford Denn had first contacted me in late 2010 but it wasn't until early 2012 that we decided to work together. Even though Clifford is situated in France the communication of ideas and designs was free flowing and the time difference turned out to be beneficial for parties involved. Clifford has done a fantastic design and with Underway Contracts experience in modelling, design and development, it has brought the project one step closer to fruition. We look forward to further collaborations with Clifford Denn Design on projects such as this.

Radar - Rigid Inflatable Boat

Radar rigid inflatable boat (RIB)

A company, at the time called Satomi, approached us with ideas, sketches and a previous boat to improve upon. We developed their ideas to produce something sleek, modern and fast!

Sycara V - 68m Luxury Motor Yacht

Sycara V

  • Builder - Nobiskrug
  • Year - 2010 March-April
  • Interior / Exterior design - Craig Beale of Pure Detail
  • Accommodation - 12 guests in 6 cabins
  • LOA - 68.12m / 223’6’’ Beam - 12m / 39’38’’
  • Draft - 3.55m / 11’65’’
  • Speed - 14 knots cruising
  • Hull - Steel
  • Engines - 2 x 2,200 CAT 3516 Diesel


Underway was contracted to do part of the interior detail design drawings and visualisations.