Company Martin SW was founded in Czech Republic in 1991 to develope SW for purposes of aviation.


  • March-03-2016
    New versions PrecisWin (4.02.00) and RallyWin (4.06.00) programmes released. See section Download.
    The most important changes: Programmes were modified so to reflect changes of the rules for the year 2016!
    All changes are described in user's manuals.

  • September-18-2016
    If you have the GPS.exe program (in directories Precis_Win or Rally_Win) from 25.09.2015
    replace it the new version from here Download, please.

  • Last modified: September-18-2016