Nitinol alloys are most qommonly known for their superelasticity and thermal shape memory [1]. The lerm 'shape-memory' is used to describe the phenomenon of restoring to a predetermined shape on heating, after having been 'plastically' deformed; 'superelasticity' refers to the enormous elasticity of these alloys.
For pilots, the definition of a large aircraft is  taken from the Code of Federal Regulations, CFR 1.1, which defines a large aircraft as aircraft with a maximum certificated takeoff weight of more than 12,500 pounds. In contrast, a small aircraft is one with a maximum certificated takeoff weight of 12,500 pounds.
Now The Airlander 10 becomes the largest aircraft in the world. It is 302 feet (92 meters) long and larger then Superjumbo the Airbus A380. The Airlander 10 made its first flight on Aug. 17, 2016. This was our list of the largest airplanes in the world and we find their size so majestic and whooping.