Aircraft are primarily used for transportation of passengers and cargo, enabling rapid travel over long distances. They also serve various roles in military operations, including surveillance, reconnaissance, and combat missions. Additionally, aircraft are employed in emergency services, such as medical evacuations and disaster relief, as well as in agricultural applications like crop dusting. Overall, their versatility has made them essential in modern society for both commercial and humanitarian purposes.
Do you mean used? Please be a little more specific, for example, What engines are used in aircraft, What instruments are used in aircraft.
Nitrogen is used in many aircraft tires.
Aircraft today are mainly used to carry passengers and cargo. Military aircraft are used as fighters, bombers, patrol aircraft and electronic warfare aircraft.
Fighter aircraft are used to shoot down enemy aircraft.
Steel is used to make aircraft springs.
No jet aircraft were used in WW1.
'Parked aircraft'.
hellcats, helldivers
Almost no natural products are used in building aircraft
Aluminium is used for most parts on most aircraft.
RV
Retractable wheels on aircraft are often called "landing gear", and some of the engine designs used in aircraft can contain a gear box. But gears as they look like in cars aren't used in aircraft.