aircraft main gear-controlled pushback(Main gear-controlled pushback utilises a tractor that grasps the aircraft main gear tyres to provide rearward movement, and directional control is provided from the flight deck through use of the nose wheel steering system. Lena Nolte)
nose gear-controlled pushback(Nose gear-controlled pushback includes either the towbar method, where the rearward movement and steering of the aircraft is controlled by a tractor and towbar attached to the nose gear, or the towbarless method, where a tractor is attached directly to the nose gear. Lena Nolte)
