US Patent 10450082 Sensor-based guidance for rotorcraft

Disclosed herein is a method that comprises acquiring one or more images of an off-board signal source using a camera onboard a rotorcraft. The off-board signal source comprises a beacon array, which comprises at least two beacons. The method also comprises processing, using an image processor, the one or more images of the beacon array to identify one or more coded signals that are propagated from the off-board signal sour. The method further comprises decoding the one or more coded signals to identify information for providing guidance to an operator of the rotorcraft.