Aircraft are heavier than air

Aircraft are heavier than air. It is winged fixed and can be flown through cooperation on its own power and balance. Generally, the term aircraft is often referred to as aircraft or aircraft with the aim of defining the same as a vehicle capable of flying in the air. The term plane is much wider in its sense as it includes aircraft and helicopters.

Next, The Airbus A340 is a large commercial passenger aircraft produced by Airbus. In addition, it has the same design with Airbus A330 but the A340 uses four engines while the A330 uses only two engines. Aimed to replace previous generation aircraft such as Boeing 747 but this last variant is now competing with Boeing 777. More than the A370, the A340s are operated worldwide in September 2010. Production of the A340 officially closed in the third half of 2011.