Another thing about offset tracking is that it only helps on two way routes, which are pretty rare in my part of the world, and something to be avoided if possible.
Edited to add:10W of AD, I would imagine they were on radar.
Re TCAS maybe EBS received a RA to climb, while EBO just got "continue descending"? Is it possible for one TCAS to generate a RA while the other gives a TA?
Last edited by Nautilus Blue; 20th Sep 2013 at 10:16.