[4] The Belle superyacht is one of the few luxury sailing catamarans in the world.
[5] The yacht has a top speed in excess of 20 knots,[7] being rare in the world as being able to do so.
[5] The Necker Nymph excursion submersible also operates from the yacht.
[8] It is reputedly the first-of-its-kind "aero submarine", buoyant when not under power.
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