First flight, on 28 February 1973, of the Nihon University NM-72 Egret I man-powered aircraft

Nihon University NM-73 New Egret single-seat man-powered aircraft

NM-74 Egret III man-powered aircraft, latest in a series of designs by Nihon University

Nihon University’s Stork B established a new world record for man-powered aircraft when student Takashi Kato made a flight of 2,094m at Shimofusa naval air base, near Tokyo.