F-86 Sabre airplane model. The F-86 Sabre , the USAF's first swept-wing jet fighter, made its initial flight on October 1, 1947. The first production model flew on May 20, 1948, and on September 15, 1948, an F-86A set a new world speed record of 670.9 mph. Originally designed as a high-altitude day-fighter, it was subsequently redesigned ...