Almost always it is aluminum.
Aircraft bodies.
Aluminium is used in the manufacturing of aircraft bodies. It has a low density so the aircraft is lighter and is able to fly easily up in the air.
Aluminum.
the metal used in building most planes is alumiun as this type of metal as it can expand as the pressure in side the aircraft is greater than the pressure outside the aircraft. it is also the lightest suitable metal although boeing's 787 has been constucted with acompisite material.
aluminium alloy
Aluminium is a popular lightweight metal used in the manufacture of aircraft.
Titanium(Ti)
aluminium
Iron
Strong and lighweight metal used for contrruction of airplanes.
Mostly aluminium alloys, but some aircraft have used steel, titanium and more recently, composite materials.
Aluminium is a light, but strong metal. This makes it very useful, for example it can be used for making aircraft bodies because of these properties.Aluminium is also used to surround overhead cables because it's light & it's a good conductor of electricity.