The Schweizer SGS 2-33 is a United States two-seat high-wing strut-braced training glider built by Schweizer Aircraft of Elmira New York. The 2-33 was designed to replace the Schweizer 2-22 from which it was derived. The aircraft first flew in 1965 and production was started in 1967. Production was completed in 1981. From its introduction until the late 1980s the 2-33 was the main training glider used in North America.
Made by Schweizer Aircraft.
It is the successor of the Schweizer SGU 2-22 .