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About us

TomarkAero Division

For many years, TOMARK, s.r.o. has been operating successfully in the demanding and highly competitive environment of the mechanical engineering industry; it specialises in manufacturing in particular for the automotive and aviation industries. The comprehensive offer of TOMARK, which started in 1995, is completed by metal working, shaping and cutting of metallurgical material and the manufacture of welded structures and components for the mechanical engineering industry.

A wide spectrum of technologies allows us to make products for our demanding customers according to their drawn documentation or according to our design solutions. The dynamic development during its short history proves that the company is able to meet even the most demanding requirements of its clients.

In TomarkAero division, specialised in aviation, the company is involved in the manufacture of the all-metal two-seater sports aircraft Viper SD4 and Skyper GT9. The Aeroplanes are designed for Ultralight (UL) a Light Sport Aircraft (LSA) category, which are an ideal solution for travel, pilot training and glider towing. The quality is a dominant factor, we therefore pay particular attention to the development, design, and meticulous manufacture of all parts of the plane.

We are extremely proud to be a continuation of the famous tradition and legendary era of Czechoslovak aircraft production, which had a significant position compared to the most developed countries of the aviation industry.

Ing. Daniel Tomko, CEO


We offer customers

the best of us, from the team passionate about the thing – for flying, development, testing, service and continuous improvement of sport aircraft.


Flexibility, reliability and readiness to address customer requirements that require “tailor-made solutions”. Availability of spare parts and fast shipping worldwide.


Improving and improving comprehensive services based on the requirements of our valued business partners and individual customers. Service support is a matter of course.


Time-tested reliability, high quality and timely deliveries of our products are based on our own production of load-bearing components, employee involvement and a thorough selection of suppliers.