Modern aircraft have many plastics, ceramics and composite materials in them.
Aluminum
Aluminum
Primarily aluminum and aluminum alloys.
Aluminum. For some aircraft, a heavier but much stronger metal called titanium is used.
Strong and lighweight metal used for contrruction of airplanes.
If the questioner means "alkaline earth metal" rather than simply "earth metal", the answer is magnesium. Aluminum is also an "earth metal" in the sense that it occurs naturally as an oxide on earth and would also be an accurate answer to the question as asked.
Model airplanes can be made from a variety of different materials. The most commonly used materials include plastic, metal, wood, fibreglass and synthetic resin.
Magnesium is used in airplanes primarily for its light weight and strength. It is often used in manufacturing parts such as engine components, landing gear, and interior structures to help reduce the overall weight of the aircraft and improve fuel efficiency.
60% copper and 40% silver.
Nobody did, because there were no successful airplanes then
Airplanes are made out of an alloy of aluminum and brass called "duraluminium."
there were no airplanes in the word war 1. __ The use of airplanes in the military pre-dates WW1. Airplanes were used for recon, bombing missions and fighters.