Melnichenko and his staff have been tight-lipped about the new ship. A spokesman for Melnichenko refused to comment on any details. No photos or blueprints for the boat have been released and very few yachting executives have even seen the plans.

But according to contractors and companies that are have been involved with the project, the new boat will be “sail-assisted” – meaning that it will be powered with both motors and sails. Two people involved in the project say the hull bears some similarities to “A,” with a low-slung, modern look. But another said the hull is “quite different from ‘A.’ ”

The sails of the new ship will be raked, or angled backward, giving it a sleeker look compared to boats with straighter masts, like Maltese Falcon.

Another feature that makes the new boat unusual is the business plan. Most mega-yachts are built by one of the “big three” builders – Lurssen, Feadship or Blohm & Voss. When it comes to sailing yachts, Perini Navi rules the seas.

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