TCAS alerts about "conflicts" with other aircraft on take-off and landing all the time. It's just that those are almost always false positives, so they get igno

TCAS alerts about "conflicts" with other aircraft on take-off and landing all the time. It's just that those are almost always false positives, so they get ignored. There are many aircraft on the ground at airports. Given the high approach speeds, this is probably a non-trivial problem.