Schweizer SGS 1-36 Sprite
The Schweizer SGS 1-36 Sprite is a United States, single-seat, mid-wing glider built by Schweizer Aircraft of Elmira, New York. The 1-36 was first flown in 1979 and a total of 43 were built by the time production was completed in 1982.
Source: Wikipedia — Schweizer SGS 1-36 Sprite (CC BY-SA 4.0)