Caproni Vizzola Calif

Role Sailplane
Manufacturer Caproni Vizzola
Designer Carlo Ferrarin and Livio Sonzio

|} The Caproni Vizzola Calif was a family of sailplanes produced in Italy in the 1970s and 1980s. Of typical sailplane configuration with T-tails, they featured distinctive wings with centre sections of constant chord and trapezoidal outer panels. The forward fuselage was constructed of fibreglass over an alloy frame, while the rear fuselage, wings, and empennage were metal-covered.

The most significant member of the family, and the only one produced in quantity (around 150 by the early 1980s) was the A-21S, a two-seat version that accommodated the pilot and passenger side-by-side. At one time this aircraft concurrently held four world records for two-seat sailplanes, including:

  • the women's closed-circuit speed record set by Adele Orsi and Franca Bellengeri in August 1974
  • straight distance of 970.4 km by Ingo Renner and Hilmer Geissler in Australia in 1975


  • A-10 (1 built)
  • A-12 (2 built)
  • A-14 (1 built)
  • A-15 (1 built)
  • A-20
    • A-20S - two-seat version of A-20
  • A-21 - two-seat development of A-14
    • A-21S - refined production version of A-21
    • A-21SJ - jet-powered version of A-21 using either a 36 or 45 lb thrust engine with a 33,000 ft ceiling. A trailing edge flap-airbrake is unique to this model. Marketed in America by AVIA America Corporation.[1]

Specifications (A-21S)

General characteristics

  • Crew: 1, pilot
  • Capacity: 1 passenger
  • Length: 7.84 m (21 ft 9 in)
  • Wingspan: 20.38 m (66 ft 10 in)
  • Height: 1.61 m (5 ft 3 in)
  • Wing area: 16.2 m2 (174 ft2)
  • Aspect ratio: 25.6
  • Empty weight: 436 kg (961 lb)
  • Gross weight: 644 kg (1,420 lb)


  • Maximum speed: 255 km/h (158 mph)
  • Maximum glide ratio: 43:1
  • Rate of sink: 0.6 m/s (118 ft/min)


  1. Air Progress: 20. October 1971. Missing or empty |title= (help)
Wikimedia Commons has media related to Caproni aircraft.
  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 237. 
  • Hardy, Michael (1982). Gliders and Sailplanes of the World. Shepperton: Ian Allan. p. 21. 
  • Coates, Andrew (1978). Jane's World Sailplanes and Motor Gliders. London: MacDonald and Jane's. p. 107. 
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