The aircraft whipped through the air high above Lansdowne, spiraled down to the ground in a manic corkscrew, then stood up on its tail in midair, its engine pulling it up faster than gravity could drag it down.
They're stunts a real plane could not perform, explained Art Vail, an official with the Southwest Area Park Modelers radio control club.
But as hundreds of thousands of drones take to the sky, competing for space with passenger airliners, cargo planes and other manned aircraft, the federal government has been moving to regulate models more like real planes.
That effort has turned the Baltimore County runway where Vail's club is hosting an air show this weekend...
This is a view of a Southwest Airlines jet from the newly renovated BWI Observation Gallery.