A floodplain, or flood plain, is flat or nearly flat land adjacent to a stream or river that experiences occasional flooding. It includes the floodway, which consists of the stream channel and adjacent areas that carry flood flows, and the flood fringe, which are areas covered by the flood, but which do not experience a strong current. Floodplains are formed in two ways: by erosion; and by aggradation.
The FAA has restricted the unauthorized use of model aircraft and small drones near airports. Drones fly during a battle demonstration at the Bloomberg Next Big Thing Summit in Sausalito, Calif. The FAA has restricted the unauthorized use of model aircraft and small drones near airports.
But the regulations may be a moot point unless delivery drones can actually get where they're going and back. Commercially available quadcopter drones such as the popular DJI Phantom 2 can fly only half an hour or so on a day that isn't too windy while carrying less than a pound of payload.