[1][2] The Calidus features a single main rotor, a two-seats in tandem enclosed cockpit with a complete aerodynamic cockpit fairing, tricycle landing gear with wheel pants and a four-cylinder, air and liquid-cooled, four-stroke, dual-ignition 100 hp (75 kW) Rotax 912 engine or turbocharged 115 hp (86 kW) Rotax 914 engine in pusher configuration.

[1] The aircraft fuselage is made from composites and is a faired teardrop shape to ensure smooth airflow over the variable pitch pusher propeller.

[1] The design is noted for both its cruise speed of 160 km/h (99 mph) and range of 800 km (500 mi).

[1] By December 2012 eight examples had been registered in the United States with the Federal Aviation Administration.

Also by December 2012 three examples had been registered with Transport Canada in the Special Certificate of Airworthiness Limited category.