AUTOMATIC LANDING SYSTEM FOR VERTICAL TAKE-OFF AND LANDING AIRCRAFT, VERTICAL TAKE-OFF AND LANDING AIRCRAFT, AND LANDING CONTROL METHOD FOR VERTICAL TAKE-OFF AND LANDING AIRCRAFT

An automatic landing system for a vertical take-off and landing aircraft includes: a camera mounted on a vertical take-off and landing aircraft; a relative-position acquisition unit configured to perform image processing on an image captured by the camera, the image including a marker group provided at a target landing point, to acquire a relative position between the vertical take-off and landing aircraft and the target landing point; and a control unit configured to control the vertical take-off and landing aircraft such that the relative position becomes zero, in which the marker group includes a plurality of markers that are arranged side by side and that have different center positions from each other, the markers are larger as arranged farther away from the target landing point, and the relative-position acquisition unit acquires the relative position based on a distance between the marker recognized in the image and the target landing point.