The Berkshire Concept 70, sometimes called simply the C-70, is an American, single seat, high-wing, 15 metre class competition glider that was designed by Arthur Zimmermann and produced by the of Lake Swannanoa, New Jersey between 1971 and 1974.
The Berkshire Concept 70, sometimes called simply the C-70, is an American, single seat, high-wing, 15 metre class competition glider that was designed by Arthur Zimmermann and produced by the of Lake Swannanoa, New Jersey between 1971 and 1974. (en)
The Berkshire Concept 70, sometimes called simply the C-70, is an American, single seat, high-wing, 15 metre class competition glider that was designed by Arthur Zimmermann and produced by the of Lake Swannanoa, New Jersey between 1971 and 1974. (en)