The Alto aeroplane is an all-metal, two-seat, low-wing, cantilever monoplane.

The wing has a main and a rear auxiliary spars. It is equipped by the ailerons and the slotted flaps.

The wing-body attachment forms a wing centre section, which is firmly placed into the fuselage. The wing main spar is connected to the wing centre section by six bolts and the rear auxiliary spar is connected by means of a hinge.

The ailerons and the wing flaps are of semimonocoque construction and are hinged to the wing by means of two hinges.

The fuselage is of semimonocoque construction and has a bottom and the side walls reinforced by diagonal stiffeners. The dorsal is of oval section.

The tail unit is of all-metal structure and has a standard configuration.

Aeroplane control consists of elevator, ailerons and rudder control surfaces, wing flaps control, elevator trim control and brakes control (the brakes control is in the left side only). The manual control is of a wheel-type and deflections are transmitted by means of chains, push-pull tubes, and cables. The pedal control deflections are transmitted by cables. The manual control stops are located on the control wheels console and inside of a centre tunnel. The pedal control stops are located on the rudder control hinge. The elevator is equipped with a trim tab.

Landing Gear is the tricycle, nose type with the nose landing gear steering. The main landing gear wheels brakes are operated by the hydraulic system, by means of pedals (in the left side only).

Power Plant: The Rotax 912 UL/ULs four-cycle engine with the Fiti three-blade propeller.