A system for landing and locomoting on a surface of a structure comprises an unmanned aerial vehicle having a plurality of independently controllable thrusters and an undercarriage including a frame with wheels at corners. The undercarriage further includes a plurality of bars pivotally coupled at respective first ends to the frame and coupled at respective second ends to the unmanned aerial vehicle; wherein the unmanned aerial vehicle is operative to differentially activate the plurality of thrusters so as to tilt with respect to the frame of the undercarriage and to cause a net resultant force on the undercarriage to locomote on the surface of the structure.