The general public calls them drones. The authorities like to call them by their proper name: Unmanned Aircraft Systems or UAS. Flying civilian drones has really taken off in recent times.
Always follow FAA rules while flying your drone and make sure that you obey local laws and regulations.
Remember you must notify the airport manager before each flight if you are going to fly a drone within 5 miles of an airport.
Click here for some tips on how to stay safe while flying a drone.