Originally Posted by
ATC Watcher
I think we misunderstood each other or I was was not clear enough : I was refereeing to ADS-B out not in ;
That would mainly be for the benefit of ATC .
ADS-B in, together with a CDTI, is what I said to be L
So in fact we both agree .
Sort of. I think everyone needs ADS-B in and out. That said, in this particular case it would have helped the helicopter immensely and AA maybe. It also is no substitute for common sense, no one not in a mental institution would think helicopters should be dodging and ducking planes below 500 feet on short final.