Viper SD-4

 is an all-metal two-seater microlight /LSA plane, designed for sports, entertainment and recreational flying. This elegant single-engine down-wing plane in a two-seater side-by-side configuration will find a variety of uses by lovers of flying and enthusiasts of modern design. By its equipment and excellent properties, this microlight plane is ideal for travel, pilot training and glider towing. A spacious, modern-design cockpit ensures comfort and a fantastic outlook. A more comfortable control of the plane is made easier by the latest flight, navigation, communication, and monitoring systems with large LCD displays, ensuring a great overview.

We are proud that the development and manufacture of the Viper SD-4 microlight planes is done in Prešov, Slovakia, in TOMARK s.r.o., TomarkAero Division, by experienced specialists in aviation and mechanical engineering. The latest technologies and CAD systems, as well as CNC machining, are used in their manufacturing.

We offer you exclusive photos from the production and finishing, unique photos from strength tests of the plane’s structure under various loads. The uniqueness of Viper SD-4 is also in the fact that it is one of the few planes in its category that have successfully passed the elasticity tests of all its parts, the so-called Flutter tests. Have a look at the exclusive photo and video galleries of a Viper SD-4 fleet and get the information you need about the flight school and pilot training.

Our primary intention is to offer you, our partners, customers, and aviation enthusiasts, specialised information, quality consulting and exclusive documentation. If you like the things you learn, photos and videos, or if they inspire you or encourage you to propose a change or modification, please let us know. We look forward to your views and ideas. See yourselves that Viper SD-4 is

a perfect harmony of metal strength and precise fineness