[1][2] The JK-05L was designed to comply with the Fédération Aéronautique Internationale microlight rules.

It features a strut-braced high wing, an enclosed cockpit with two seats in side-by-side configuration, fixed tricycle landing gear and a single engine in tractor configuration.

Its 10.68 m (35.0 ft) span wing employs an NN-1817 airfoil, has an area of 10.24 m2 (110.2 sq ft) and employs carbon fibre flaperons.

The controls include a single, centrally-mounted centre stick and electric trim.

The standard engine is the 80 hp (60 kW) Rotax 912UL four-stroke powerplant.