The ASK 13 is a two-seater glider that is widely used in soaring club for training of glider pilots. It was build by Alexender Schleicher using a mixture of materials including metal, wood and glass fiber, and it's fabric covered except the nose. It has a mid-mount swept-forward single-spar wings. It has a one piece large canopy that gives both pilots a great view. It first flew in 1966. This aircraft was succeeded by the ASK 21.

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For ASC, this is the glider where most of our students start learning.