The Rotorsport Calidus is a tandem two-seater autogyro to British Civil Airworthiness Requirements CAP643 Section T. It is an enclosed-cockpit development of the open-cockpit Rotorsport UK MT-03. New build-aircraft based on the Calidus design are imported from Hildeshem in Germany and completed to British regulations by Rotorsport UK Ltd in the United Kingdom. The Calidus is powered by a 100 hp (75 kW) Rotax 912 ULS although optionally a 115 hp (86 kW) Rotax 914 UL Turbo can be fitted.
Made by Autogyro & Rotorsport UK.
It is the successor of the AutoGyro MT-03 ,
AutoGyro Calidus is the predecessor of the Rotorsport UK MT-03.