Originally Posted by
sgrd0q
I have no idea what criteria ATC uses to tell you to go around, but I would have thought a “collision alert” would prompt them to tell the CRJ to go around rather than going to the helicopter to check if they have them in sight.
The CA goes off all the time! Any place with VFR traffic will trigger it. VFR traffic in the pattern at SNA will set it off all the time. That's why the Tower will ask if you have the traffic. I bet that goes off in the DCA tower anytime a helicopter is near the airport.