Man and Material Lift engineering offers an air powered lift for Keystone helicopters. The VM12A Keystone Helicopter to be used inside its large paint and composite hangar located in Coatsville PA, to paint its large S92 Transport Helicopter. The VM12A is a pneumatic powered vertical lift, and has a platform height of 12ft with a working height of 18ft, and a platform capacity of 500lbs. The platform controls are pneumatic. The emergency stop switch stops all machine functions at platform controls, while the Ground controls will still operate with key switch in ground position. The drive/steer, raise/lower joystick, uses pilot pressure to proportionally control all drive, steer, raise and lowering functions.