A good idea...in theory....if the boxes were provided by the EU. Yet again, the UK / European GA user is going to get shafted.
Maybe they ["Eurogovernement"] could spend less time discussing the number of ° in a banana's bend to allow it to be called a bananna and UK chocolate vs Beligum chocolate, and use some of the cost savings to send every aircraft owner in Europe a Mode-S box.
Why not make it like when cars had to have catalytic converters fitted? Old cars were excempt, but new cars after a certain date had to have them fitted.
Rgds
EA
