On Jul 5, 10:21*am, "BT" wrote:
Transponders are a good thing.. when the other guy has TCAS or TIS
capability.
I would venture a guess it's 50-50 he never saw you and simply reacted to
the TA commands.

TCAS never commands an aircraft to turn to avoid a conflict. TCAS is
only capable of providing vertical commands. If the aircraft turned
it's reasonable to assume the pilots had visual contact.

Andy