Sales of the avionics and special equipment

Supplies of the flight displays, digital autopilots, GPS navigations, radios and other avionics

Engineering under EASA Part 21 Design

Main technical fields of expertise are avionics, installation of the avionics, electrical systems, cabin interiors

Modernization under EASA Part 145

Full-scale range installations of avionics equipment and special equipment systems, e.g. Distance Measuring Equipment, Automatic Direction Finders, Navigation Systems, Flight Management Systems etc.


Regular avionics maintenance, repairs, including supply of spare parts, avionics testing and calibration, software and databases updates.

About us

Česká letecká servisní a.s. (CLS) is a unique and cutting-edge workplace in the Czech Republic and Central Europe offering a comprehensive chain of activities connected with the integration of avionic systems as well as special equipment for civil and military aircrafts and helicopters. We also deal with sales, warranty and post-warranty service of avionics with full technical support.

We are able to provide our customers turn-key solutions related to modernization of their airplanes and helicopters from technical design through purchase, instalation and vertification up to certification of both selected avionics and special equipment.

We represent companies such as Garmin, Rockwell Collins, Dynon Avionics, FLIR, Honeywell, Bendix King, Midcontinent, Becker Avionics, Kannad, Trig, Icom, Avidyne etc.

We hold EASA PART 145, EASA PART 21 DOA / POA, and others, see Quality and Permissions.

If you are looking for a reliable partner with strong backgrounds and years of experience, we are your choice.

Countries where we work


Our partners

All partners