This is a list of large aircraft, including three types: fixed wing, rotary wing, and airships. The US Federal Aviation Administration defines a large aircraft as any aircraft with a certificated maximum takeoff weight of more than 12,500 lb (5,700 kg) The European Aviation Safety Agency (EASA) defines a large aircraft as either "an aeroplane with a maximum take-off mass of more than 5,700 kilograms (12,600 pounds) or a multi-engined helicopter." Fixed-wing Projects Rotary-wing Proposals Yakovlev Yak-60 - Mil V-12 size helicopter design Yakovlev VVP-6 - Mil V-12 size helicopter designLighter than air Proposals Hydrogen carrier airship (2.45 km long) and balloon (727 m wide), 28000 tonne MTOW both. See also List of largest machines List of largest passenger vehicles Wide...