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ASK 13
Schleicher ASK13.jpg
Role Sailplane
National origin Germany
Manufacturer Schleicher
Designer Rudolf Kaiser
First flight July 1966
Number built 700+

The ASK 13 is a two-seater glider that was built by Alexander Schleicher. It was and still is widely used for ab-initio training of glider pilots.

Design and development[edit]

In 1965 Rudolf Kaiser continued development of the two-seat Ka 2 and Schleicher Ka 7 by introducing the ASK 13, using a mixture of materials including metal, wood and glassfibre. It has swept-forward single-spar wings, positioned lower than in the Ka 7, which allows for a large blown canopy providing a good all-round view for both pilots.

The 6 degree forward sweep of the wing allows the rear pilot to be seated near the centres of gravity and lift. The glider therefore maintains the same trim whether flown single seated or dual seated. The D-type leading edge torsion box is of plywood and the whole wing is fabric-covered. There are metal Schempp-Hirth air brakes above and below the wing, and the wooden ailerons are fabric-covered. The fuselage is a welded steel tube structure with spruce stringers and fabric-covered overall, except for the nose, which is glassfibre. The tail unit is plywood-covered, except for the rear part of the rudder and elevators, which are fabric-covered, and there is a Flettner trim tab in the starboard elevator.

Landing gear consists of a non-retractable sprung wheel, mounted aft of the centre of gravity. Originally there was a skid under the forward fuselage but many K13s now have a nose wheel. But a nose skid can still be seen on most k13s

It first flew in prototype form in July 1966 and by January 1978 a total of approximately 700 ASK 13s had been built by Schleicher. They are superb training gliders because they stall and spin well but these manoeuvres are easy to recover from. Their construction also gives them great strength and yet they are easily repairable.

The aircraft was succeeded by the ASK 21.


1979-built ASK 13
Schleicher ASK 13.jpg

General characteristics

  • Crew: Two
  • Length: 8.18 m (26 ft 10 in)
  • Wingspan: 16.00 m (52 ft 6 in)
  • Height: 1.6 m (5 ft 3 in)
  • Wing area: 17.5 m2 (188 ft2)
  • Aspect ratio: 14.6
  • Wing profile: Göttingen 535/549
  • Empty weight: 290 kg (640 lb)
  • Gross weight: 480 kg (1,060 lb)


  • Maximum speed: 200 km/h (125 mph)
  • Maximum glide ratio: 28
  • Rate of sink: 0.81 m/s (160 ft/min)

See also[edit]

Aircraft of comparable role, configuration and era
Related lists


Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Schleicher_ASK_13 — Please support Wikipedia.
This page uses Creative Commons Licensed content from Wikipedia. A portion of the proceeds from advertising on Digplanet goes to supporting Wikipedia.
2972 videos foundNext > 

Glider flight #137: Schleicher ASK-13 - PH-431 - D9 (Deelen air base)

K13 PH-431 D9 ZcDeelen Deelen air base.

Schleicher ASK 13 Glider Winch Launch

A Schleicher ASK 13 glider winch launching at Cape Gliding Club.

Schleicher ASK-13 (glider)

www.outerra.com music:Vincenzo feat_Minako - " Ojalá fuera cierto "

Outerra Anteworld - [Release] Schleicher ASK-13 (glider)

Outerra Version More info, Download and Updates here: http://forum.outerra.com/index.php?topic=2862.0.

Outerra Anteworld - [WIP] Schleicher ASK-13 (exagerated WingFlex test)

Just having fun :D More info here: http://forum.outerra.com/index.php?topic=2862.0.

Erstflug Schleicher ASK 13 - Landung m. Bodenberührung Fläche

Erstflug meiner ASK 13 nach F-Schlepp mit einer Piper. Spannweite: 4,50 m Gewicht: 10,5 kg.

Schleicher ASK-13 (glider)

Schleicher ASK-13 (glider) part 2

Schleicher ASK 13 Glider Flight from Winch Launch to landing

ASK-13 Takeoff and Unusual Landing

A nice flight with the Schleicher ASK-13 practicing an unusual landing. Enjoy! Cooler Flug mit der ASK-13 und Landung aus ungewohnter Position.

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1 news items

Sat, 23 Aug 2008 00:00:00 -0700

Soon, I was trusting myself into the hands of these jokesters from the Northwest Soaring Club as they opened the domed hatch (a la the Jetson's) and helped me into the snug back seat of the German-made Schleicher ASK-13, a tiny vessel big enough for ...

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