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∙ 14y agoUsually the engine is heaviest.
It is the An-225 with a 1.3 million pound takeoff weight it makes the worlds heaviest airplane.
The C-17. It is worthless
the spruce goose
Fully loaded the Knock Nevis Super Tanker is the heaviest ship every built.http://www.worldinterestingfacts.com/infrastructure/top-5-biggest-ships-ever-made-in-the-world.html
The Airbus A 390 is the heaviest aircraft in productionThe Airbus A 390 is the heaviest aircraft in production
The Wright brothers made the first ever airplane December 17th 1903.
The biggest (and heaviest) spacecraft ever built is the International Space Station, which is still not quite complete (July 2011).
The Antonov An-225 Mriya is currently the heaviest airplane in the world. It has a maximum takeoff weight of around 640 tons and was designed to transport oversized cargo.
The Antonov An-225 airplane is much heavier than a cloud. The Antonov An-225 has a maximum takeoff weight of over 600 tons, while a cloud typically only weighs a few hundred tons at most.
Their first fully practical airplane was built in 1905. (Their first powered, sustained and controlled airplane was built in 1903.)
George Cayley built the first glider, Clement Ader built the first self powered airplane, and Wilbur & Orville Wright built the first self powered and controllable airplane.