WATCH: World’s Largest Sail-Assisted Motor Yacht Makes Its Debut in Germany

The world’s largest sailing yacht sail-assisted motor yacht hit the water for the first time recently as it set out for a series of sea trials off the coast of Germany, giving eager yacht enthusiasts their first good look at the nearly completed vessel. 

The vessel, named Sailing Yacht A, is being built for Russian billionaire Andrey Melnichenko, owner of the unmistakable Motor Yacht A.

According to Boat International, the 12,700 gross ton Sailing Yacht A has a length overall of 142.81 meters, with a molded beam of 24.88 meters. In addition to its massive sails, propulsion comes from a hybrid diesel-electric propulsion package featuring two MTU 3,600 kW diesel engines and 4,300 kW electric motors driving controllable pitch propellers.

Related: People Are Saying This New Mega Sailing Yacht is the Ugliest Vessel Ever Built

The yacht is designed by the Dutch design firm Dykstra Naval Architects and is being built by German Naval Yards in Kiel, Germany. The yacht’s 3 carbon composite masts, said to be largest and most technologically advanced free-standing masts in the world, were constructed by Magma Structures in the UK. The vessel also features the world’s longest curved pane of glass, manufactured by the Germany company Sedak. The glass measures 15 meters long and weighs 1.8 tonnes, and is strong enough to support 16 fully-loaded semitrailers. It is located in front of the command bridge as the bulwark.

The yacht is expected to be delivered in 2016.

Here’s another look at the vessel:

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