He was a marvelous flyer in spite of a certain bland recklessness that seemed to edge his every act. Now in the air he seemed to short-turn in his spirals, to be given to shooting into perilous climbs. He was that way in all his work, sliding through with a swagger carelessness. As he watched the pupil aviator now in the air, Hal's mind went back to events of that very morning, how the fellow had gone slipshod through the tiresome routine of overhauling the engine of the machine he was to use in the noon flight.