BV.......
A Well reasoned and structured argument, to which I fully agree. TCAS has limitations, but in 'helping' to mitigate the main risks of MAC GA & MAC CAT (From a societal perspective) It could play a big part.
In the future, I would be very surprised if TCAS or similar systems were not mandated for all commercial and military types above certain weights.
I wonder what the Lightning II team feel about this........
Advo