Originally Posted by
overthewing
I believe what he's saying is that MH370, with transponder off, is invisible to any other TCAS system switched on nearby. However, MH370 could still have TCAS switched on, and detect any a/c nearby with its transponder working. His TCAS theory holds water, it seems to me.
If your TCAS is on then you are visible to other aircraft.
Last edited by Lord Spandex Masher; 18th Mar 2014 at 02:30.