Gradient BiOnyx

The Gradient BiOnyx is a Czech two-place, paraglider designed and produced by Gradient sro of Prague. It is no longer in production.
Design and development.
The BiOnyx was designed as a tandem glider for flight training, the Bi naming indicting "bi-place" or two seater.
The aircraft's span wing has 52 cells, a wing area of and an aspect ratio of 5.3:1. The crew weight range is . The glider is AFNOR biplace certified.