Power:The plane’s engine provides the plane with power. Upgrading it will increase the plane’s flying speed and speed up the plane’s acceleration.
Fuselage: The plane’s fuselage provides the plane with mobility. Upgrading it will improve the plane’s steering capability and maximum energy.
Weapon:The plane’s weapons provide the plane with firepower. Upgrading them will increase the plane’s firepower armor penetration level, incendiary level and magazine capacity.
Armor:The plane’s armor provides the plane with protective capability. Upgrading it can increase the plane’s resistance to various types of bullets.
Rack:A rack must be equipped in order to carry rockets, bombs or other weapons that are used in air or on ground.