Originally Posted by
Small cog
Aerocat. While I agree with your valid point regarding an issue with your Radalt info, I don't agree that the other aircraft on the ground had any part in your RA.
That's where the TCAS display showed the intruder to be and there were no other aircraft airborne at the time. That's beside the point though, that a faulty TCAS can give you an RA that should not be followed.