One could say it gives a football coach a bird’s-eye view.

Others compare it to the overhead view of the gridiron that one gets while playing a video game — displaying a play’s full development on both sides of the football.

At any rate, the soft hum one hears on the Bangs practice field represents a high tech coaching aide used by a growing number of schools nationwide: a drone, armed with a camera and operated by a student manager, allows coach Kyle Maxfield to quickly dissect what went right (or wrong) with every single practice play during film study.