 By the time he started college as a [[mechanical engineering]] student, he had also become fascinated with flying, though he "had never been close enough to a plane to touch it".After quitting college in February 1922, Lindbergh enrolled at the Nebraska Aircraft Corporation's flying school in Lincoln and flew for the first time on , as a passenger in a two-seat [[Standard J|Lincoln Standard "Tourabout"]] biplane trainer piloted by [[Otto Timm]].A few days later, Lindbergh took his first formal flying lesson in that same machine, though he was never permitted to solo because he could not afford to post the requisite damage bond.