A taxi tug for providing auxiliary power services to an aircraft, comprising: a chassis having at least one drive wheel; a moveable arm disposed on the chassis; a proximity sensor arranged to provide a position signal indicative of a position of the chassis relative to the aircraft; a position sensor disposed proximate the distal end of the movable arm, wherein the position sensor is arranged to provide a location signal indicative of a location of a position feature disposed on the aircraft proximate a power receptacle disposed on the aircraft; a communication system including a data transfer module configured to transfer data to or from a communication module disposed on the aircraft; a tow member extending from the chassis and configured to selectively engage the aircraft; and an auxiliary power services system disposed on the chassis, the auxiliary power services system includes a motive power source operatively connected to the at least one drive wheel; a pneumatic power source that is configured to provide pneumatic power and conditioned low pressure air from a low-pressure pack to an aircraft, the pneumatic power source operatively connected to a pneumatic connector disposed at a distal end of the movable arm; an electrical power source that is configured to provide electric power to the aircraft, the electrical power source operatively connected to an electrical connector disposed at a distal end of the movable arm; and a control module disposed on the chassis and in communication with the motive power source, the pneumatic power source, the electrical power source, the position sensor, the proximity sensor and the communication system, the control module programmed to operate the motive power source to drive the at least one drive wheel to position the chassis proximate the aircraft, and operate the moveable arm based on the location signal to connect the electrical connector and the pneumatic connector to the power receptacle disposed on the aircraft. a chassis having at least one drive wheel; a moveable arm disposed on the chassis; a proximity sensor arranged to provide a position signal indicative of a position of the chassis relative to the aircraft; a position sensor disposed proximate the distal end of the movable arm, wherein the position sensor is arranged to provide a location signal indicative of a location of a position feature disposed on the aircraft proximate a power receptacle disposed on the aircraft; a communication system including a data transfer module configured to transfer data to or from a communication module disposed on the aircraft; a tow member extending from the chassis and configured to selectively engage the aircraft; and an auxiliary power services system disposed on the chassis, the auxiliary power services system includes a motive power source operatively connected to the at least one drive wheel; a pneumatic power source that is configured to provide pneumatic power and conditioned low pressure air from a low-pressure pack to an aircraft, the pneumatic power source operatively connected to a pneumatic connector disposed at a distal end of the movable arm; an electrical power source that is configured to provide electric power to the aircraft, the electrical power source operatively connected to an electrical connector disposed at a distal end of the movable arm; and a control module disposed on the chassis and in communication with the motive power source, the pneumatic power source, the electrical power source, the position sensor, the proximity sensor and the communication system, the control module programmed to operate the motive power source to drive the at least one drive wheel to position the chassis proximate the aircraft, and operate the moveable arm based on the location signal to connect the electrical connector and the pneumatic connector to the power receptacle disposed on the aircraft.