The most expensive private jet in the world is owned by Alisher Umanov, a Russian billionaire and the owner of Metalloinvest, a mining company. He bought an Airbus A340-300, a long-range, wide-body airliner that can carry up to 375 passengers, and turned it into his personal flying mansion. The jet is rumored to be the largest private jet in Russia and possibly in all of Europe. It has a spacious and lavish interior with various amenities and security systems.
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