Dream come true: IAF chief as he takes last sortie in uniform in Kiran aircraft. Air Chief Marshal AP Singh flew his "last sortie in uniform" in a Kiran aircraft at the Air Force Academy in Telangana's Dundigal on Tuesday. He flew with his former instructor, Wing Commander (retd) VS Kochar, who taught him flying in 1984. Singh called it a "dream come true" and said the flight completed a circle before his retirement.