APEX was intensively tested with multiple test flights over Switzerland, Germany and Belgium, and with pre and after flight Calibration Home Base campaigns in October 2008 and June 2009. The resulting data sets are under evaluation.

• This joint Press Release was published shortly after the campaign. It shows the first results.
  
  
• Watch the footage of the June 2009 campaign here, thanks to the Swiss TV

top-left: APEX in the DLR Do-228, middle: Do-228 from DLR, right: APEX without thermal insulation, cabin view
bottom-left and right:operator pictures over the Belgian coast and Lake Constance, middle: operator APEX console