In article ,
Stefan wrote:

I know the advantages from an ATC POV, but what is the advantage for
the aircraft owner?

To be allowed to fly in controlled airspace at all? In Europe, Mode S
will be mandated, because ATC claims Mode C reaches its limits. This
means in the forseeable futu No Mode S, no fly in controlled airspace.

Sorry. I should have clarified that my question was applicable to the US NAS.
I do understand the European requirements for Mode S, 8.33, ACAS, etc etc.
But in the US, Mode S is still just a solution looking for a problem.

--
Bob Noel
Looking for a sig the
lawyers will hate