The Airsport Sonet () is a Czech ultralight aircraft, designed and produced by Airsport of Zbraslavice. The aircraft is supplied in complete, ready-to-fly form.
The aircraft was derived from the Airsport Sonata motor glider and designed to comply with the Fédération Aéronautique Internationale microlight rules. It features a cantilever low-wing, a T-tail, a two-seats-in-side-by-side configuration enclosed cockpit, fixed tricycle landing gear and a single engine in tractor configuration.
The Sonet is made from composites. Its polyhedral wing comes in three optional spans: , and . It requires an engine of about and no more than . Standard engines available are the Rotax 582 two-stroke and the HKS 700E four-stroke powerplant.