Ultralight Jet Plane

Microlight jet aircraft

Number 39 ALBI Carbon The UL-39 is rated for use in the Ultralight (UL) group. Adherence to the requirements of the CS-VLA class was also taken into account during building. The ultra-light aircraft, driven by an unorthodox electric motor, which consists of a piston motor that drives the ventilator, was developed in collaboration with the employees and current student of the Faculty of Aerospace Engineering at the Faculty of Mechanical Engineering of the Czech Technical University in Prague and the LA compound, s. r. o.


JIHLAVAN and Zall JIHLAVAN presents a totally new and never-before-seen ultralight aircraft design that will displace the characteristics of an ultralight jet aircraft where traditional jet engines with heated emissions are not possible due to statutory restrictions.

The VL3 - The world' s quickest UL airplane

Specific air dynamic properties and performances make this airplane suited for trainings as well as for touristic use. Travelling at a rate of 300 km/h, the plane is perfect for long-haul flying. Venice or Mont Blanc to the French Riviera. Use the VL3 Evolution to create your own reports and broaden your flying horizon.

Because of the 55° flap elbow, VIP3 has an impressive quick land, for a full stop you only need 150m. More than 250 airplanes prove that the XL3 is a dependable airplane. When developing a high-performance aeroplane like the Volvo 3, security has the highest possible importance.


Rotax 912 ULS is a four-cylinder four-stroke motor with water-cooled head and air-cooled barrel. Equipped with 3 litre pressurised water reservoir with pressurised drying system and independent 3 litre reservoir, auto regulation by means of tappets, 2 carburettors with fixed differential pressures, mechanic petrol pumps, double circuit non-contact electronically controlled ignitions, electrical starters and i = 2.43 fan-reducer.

PowerMax is a three-bladed airplane prop that can be moved in the air. Aluminium hubs consist of an upper and lower cover flanges. Bucket pitch mechanism is inside the boss. The increase of the vane pitch is done by the final control element. In the opposite sense, the shovels are set by the force of the springs inside the hubs.

It has an aluminium base part and is fitted to the centre with a couple of thrust bearing. Inside the gear box, the final control element is positioned outside the gear box, above the gear box and controlling the pitch of the blades via a concave shaft of the gear box and the fan.

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