Abstract: Carry-on push aids and methods for propelling a wheelchair are provided. Carry-on push aids comprise a base with three, four or more wheels which is configured to securely engage the wheelchair and to mechanically support the wheelchair. The base comprises at least one drive unit powering one or more of the wheels, and the carry-on push aids further comprise a steering unit connected to and configured to control one or more of the wheels. For example, carry-on push aids may have rear powered wheels which operationally replace the securely engaged rear wheelchair wheels, and two front steerable wheels. The spacing between carry-on push aid rear wheels and between steering unit handles is wide enough to provide easy steering of the wheelchair supporting heavy patients, using the carry-on push aid handles only.