Aluminum
Magnesium is not used to make aeroplanes so ... this question is wrong wrong wrong wrong
Aluminum
Aluminium is a popular lightweight metal used in the manufacture of aircraft.
This metal is titanium.
Gold is only used in conductors and wires in airplanes. This is because gold is very lightweight and does not rust.
Titanium
Aluminum
Primarily aluminum and aluminum alloys.
tungsten
If you meant titanium, it is a very strong lightweight metal that is used in aircraft and rockets.
they can be metal, metalliod or non-metal
Generally we are using Aluminum. It is a lightweight metal.