Alan
The mysterious 4242D5 using c/s FLYHERE, appeared today again ascending from FL218 to FL277.
Could it perhaps be (from Skyliner):
Canadair CRJ 200, c/n 7408, VP-BVK, RusLine, delivery 26jun13 ARN-VOG, all white, ex N818CA
It fits the last appearance on june 18, as N818CA arrived ARN that day.
Niklas