Centennial airport is a GA airport
Bet the guy was doing touch-and-goes, or some other kind of flight training
February 28, 2020 at 10:58AM
via reddit https://www.reddit.com/r/aviation/comments/fawiix/seems_like_a_lot_of_circling_doesnt_it_plane_took/fj0q748?utm_source=ifttt