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Focused on comfort. Sport flying or long business flights are both fitting for the Sirius.

When designing the Sirius, we have put our focus into bringing you cockpit that is spacious and modern, providing maximum comfort for the passengers. During your first minutes in the air, the Sirius is capable to demonstrate its unsurpassing flying qualities to you. Signature TL on this aircraft means that you have made the right decision.


Story of the Sirius

The Sting S4 builds on the experience of the Sting Carbon, proven and tested model. The legend, produced in nearly 400 units, has been innovated and improved on. We have collected more than 10 years of experience with this aircraft, and now we have managed to fine-tune it into perfection. Proven and popular features we have kept. We listened to the pilots and owners of the Sting Carbon aircraft and taken into account all of their valuable feedback. We listened carefully to you – our customers. Long and precise developing period followed, and in the end of this thorough process, the new Sting S4 was born. It is an elegant, comfortable, prestigious and beautiful aircraft. At the moment, one of the fastest and best manageable ultralight aircraft on the market.

Calm, quiet, safe – these are impressions the Sirius will leave you with.

Minimum of vibrations and noise will surprise you. Space, deluxe body-countoured seats, perfect door lock system and convenient cockpit access will take your breath away. The word „comfort“ will be on your mind everytime. Pilots will appreciate the dual yoke control of the aircraft, whilst passengers will fall in love with the generous luggage space. The Sirius will give you true sense of freedom in the air. It is a prestigious aircraft, be it touring or sport.

Large windows of the cabin will turn each of your flights into an unforgettable experience. Easy maneuverability of the aircraft and comfort for both the pilot and the crew will leave you in no doubt. Sirius will become your best match.


Two side-by-side seats, rectangular wing with trapezoid-shaped outer part,landing gear is standard with steerable nose wheel and main wheels with brakes. Large flaps are electronically operated and can be pulled out to position 15 ° for take-off and 45 ° for landing.


Only Sirius can provide ample cockpit space. High level of comfort even for well-built passengers. The luggage compartment will surprise you. Large windows, allowing for maximum view and easy cabin access will certainly win you over.

Will be appreciated on longer voyages…

Cabin heating and heated seats option are just the beginning. Optional add-on features can turn your Sirius into a limo that you will not want to leave.

We are able to customize cockpit in order to fit client´s specific needs and requirements, including instrument furnishing. Choose from classic analog instruments, or go for a combination of modern displays. Wide selection of various radio types, GPSs and many other safety and pilot devices is a given. The choice is up to you…

Steering and control

Complete dual yoke control and well thought through placement of control devices will turn your piloting into an ultimate experience that you will not want to stop talking about. Safety, as with all of our aircraft is an absolute given. 3D Vizualization

The basic version that is able to give you maximum.

We are bringing you our Sirius that is equipped with ultramodern flight data glass displays. If you still desire more, we can deliver. Upon your request, we can equip your new Sirius with classic analog devices or with any other form of avionics. This of course also applies to GPSs, radios and many other devices. Whatever it may be, we can put it together for you!


Our experience brought us far. And with this came the Sirius, safe aircraft of inimitable quality.

The production was conducted using latest technology, including the CAD/ CAM and CNC methods, together with other specific modern manufacturing processes. On account of these, Sirius prides itself with accurate crafting, fast production time and with quality that is flawless.

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Engine is the heart of every aircraft and that is why all our aircraft are fitted with engines of the ROTAX brand – they have been tried, they have been tested and come with thousands of flight hours experience.

Standard aircraft fitting includes: Rotax 912 (80 hp), 912S (100 hp) or 914 Turbo. It is now possible to equip your aircraft with the 912iS engine with a fuel injection system. Propeller can be fixed or in-flight adjustable. You can choose from a wide variety of types and designs. The ideal choice of course is the in-flight adjustable PowerMax propeller.

Length 6,97 m
Height 2,30 m
Wing span 9,4 m
Wing area 11,26 m2
Horizontal tail width 2 m
Horizontal tail area 2,68 m2
Vertical tail area 1,45 m2
Cabin width 1,13 m
Never exceed speed 253 km/h
Cruising speed 180 – 220 km/h
Minimum speed 59 km/h
Climb rate (max. TOW) 5 m/s
Empty weight (according to type) 297 kg
Maximum take-off weight 472,5 kg (600 kg LSA)
Minimum crew weight 60 kg
Maximum crew weight 180 kg
Maximum luggage weight 25 kg
Fuel consumption (75% max. continuous power) 16,2 l/h
Fuel tank capacity 120 l nebo 90 l
Flying range Max. 2000 km/h

Design Your Own Plane Graphics

Why have someone else tell you what your plane should look like. Use this simple design program to choose from existing patterns and colors. Just click on the image and  have fun.

When you are done with your design write down what you have chosen and then close that window in the browser and follow the links to contact us with your options or just to ask questions.