CAA in a hole and still digging !
It would seem that the CAA has dug it's self into a hole with mandating Mode S without understanding the results of it's actions on the light aviation industry . Of course the real reason for the mode S mandate is so that if an airliner hits a light aircraft in class G airspace the CAA can say that they have "done something" to avoid this happening.
Now the problem is saving face and it is trying to build a techonbabbel smoke screen to fool the MP's that the mode S mandate is a safety issue, if the CAA was interested in safety enhancment they would have put in TIS and WX radar data link with the mode S but that costs money and they would not want to spend any of that would they?
Ten years ago the CAA was refusing point blank to have anything to do with GPS approaches wile the rest of the world was introducing them, only now do we have the "face saving" GPS trial because the CAA can't keep its head in the sand any longer on the GPS approach issue.
It's high time the CAA got out of Aviation house once in a wile and had a look at the real world.