Balloons filled with helium offered additional lift to the repulsor drive vents located underneath each craft's lightwright metal frame. Attached were gas storage spheres and sometimes other cargo containers. The pilot sat in a seat at the front, in a segment usually made from an airspeeder chassis. The craft was maneuvered via propeller engines, steering vanes, and sails.
Mining colonies utilized volunteers for generations to locate new pockets of Tibanna. Cloud City employed a legion of prospectors during the Galactic Civil War, who were always eager to exploit new finds before the major contractors moved in.