SATHOM SARL receives EN 9100:2018 – AS9100 D Certification

Waldenburg, 10th February 2024

SATHOM SARL received his new EN9100 : 2018 - AS9100 D certificate.

Waldenburg, 15th February 2021

SATHOM SARL, Waldenburg, Switzerland, a DOMUSA Group Company, is pleased to announce that, effective February 15th, 2021, has been recognized to comply with EN9100, international aerospace standard of quality management.

The European EN9100:2018 aerospace series certification is equivalent to the AS9100D norm of the US and JISQ 9100:2016 of Asia.

EN9100 is proof of level of quality management at SATHOM and serves as assurance of quality towards customers.


  • 1853
    THOMMENS Uhrenfabrik, Waldenburg, Switzerland was founded as a wrist watch manufacturer.
  • 1916
    The Swiss Air Force contracted with THOMMEN to design, develop and deliver an aircraft chronograph.
  • 1936
    The Swiss Government contracted THOMMEN to design and manufacture a wide range of aviation products as altimeters, air speed indicators, vertical speed indicators, clocks and the landing gear for the C-35, a multipurpose, plane manufactured in Switzerland
  • 1945
    THOMMEN launches the pocket altimeter type TX, specially designed for alpinists. THOMMEN’s hiking, skiing and parachuting altimeters are well renowned worldwide.
  • 2016
    SATHOM SARL takes over the production, development and support of the full range of THOMMEN mechanical aircraft instruments and chronographs. The formal acquisition of the mechanical instruments division of THOMMEN has been signed on June 1st, 2016 between SATHOM (a DOMUSA Group Company) and THOMMEN Aircraft Equipment AG.
  • 2018
    SATHOM continues to serve the aviation market with THOMMEN instruments for more than one hundred aircraft programs and numerous aircraft upgrades including nearly all helicopter and trainer aircraft manufacturers in Europe, America and Asia, and most categories of aircraft in civil and military aviation. SATHOM’s goals for the future will be focused on serving the customer demands for flight and navigation instrumentation and continue support of the aviation market with the best mechanical flight instruments and chronographs.

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