Schweizer SGS 1-23

Schweizer Aircraft · United States · first flew 1948 · glider

The Schweizer SGS 1-23 is an American single-seat mid-wing glider built in Open and Standard class versions.

Recognition (WEFT)

W — WingsMid-mounted, straight
E — Engines1 × none, embedded-mounted
F — Fuselage6.23 m fuselage
T — TailConventional

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A single-seat sailplane with a long slender wing set at mid height and a conventional tail.

Specifications

Figures are for the representative variant described above; marks differ. See how AircraftIQ sources figures.

History

It first flew on 5 July 1948, only nine weeks after construction began. Production ended in 1967 after 93 had been built.

Variants

Models ran from the original through 1-23B, C, E, F, G and H, with changes to wing span, wing skins, fin shape and dive brakes. The 1-23H-15 was a Standard Class version.

Where you'll see it

It became the most numerous competition and performance sailplane in the USA. Paul Bikle set a world absolute altitude record of 46,267 feet in the sole 1-23E in 1961.

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