Originally Posted by
Capn Bloggs
At least one other that requires TCAS to be operated in TA/RA at all times in airspace frequented by fare-paying passengers! All that stuff might be OK flying in amoungst his RAF jet jockey mates but when he's mixing it with airliners/other civvies, he can use the TCAS properly: giving and coordinating RAs.
TA
is a correct use of TCAS.
It is also more than the majority of military aircraft that "mix it with airliners" have.
TCAS works perfectly well with one aircraft in TA mode. just as it does against transponding aircraft without TCAS