The sailplane achieves this by utilizing a structure that is predominantly made from carbon-fiber-reinforced polymer.

[1][4] The SparrowHawk's multi-tapered, 36.1 ft (11.0 m) span wing employs five different airfoils and has an aspect ratio of 18.6:1.

The wing features Schempp-Hirth style spoilers on the top surface.

[1][4] The SparrowHawk achieves a best glide ratio of 36:1 and a minimum sink rate of 119 ft/min (0.60 m/s).

[5] Data from Bertrand and company website[1][5]General characteristics Performance