Sailing Yacht A was built for Andrey Melnichenko by German shipyard Nobiskrug, with exterior and interior design by Philippe Starck. The project reportedly cost between $530 and $600 million, placing it among the most expensive yachts ever constructed. At 143 meters, it is the largest sailing yacht in the world. Its three carbon-fiber masts, each over 100 meters tall, are the tallest ever installed on a sailing vessel and rotate automatically for optimal performance. The yacht uses a hybrid dies