A communication relay apparatus (10, 20), comprising: a relay communication station (110, 210) for relaying a communication between a terminal apparatus and a communication network via a feeder link for mobile communication, the relay communication station (10, 20) being mounted on a flying object; a radio communication section for transmitting and receiving control information to and from a remote control apparatus via a radio communication line for flight control and via a communication station for High-Altitude Platform Stations, HAPS, control, the radio communication line being different from the feeder link for mobile communication and the communication station for HAPS control being provided separately from a feeder station of relaying a communication between the terminal apparatus and the communication network; and a control section for controlling the relay communication station based on the control information received from the remote control apparatus by the radio communication section, characterized in that the control section is configured to perform a cell optimization process for optimizing a cell formed by the relay communication station (110, 210) based on the control information from the remote control apparatus, the control information being received by the radio communication section, the control section is configured to repeatedly perform a beam control process for controlling a beam from the relay communication station (110, 210) to direct to the target area based on a current position and a moving direction of the communication relay apparatus (10, 20), after the cell optimization process, and a frequency band of the radio communication line for flight control used by the radio communication section for a radio communication with the remote control apparatus is a frequency band lower than a frequency band of the feeder link performed by the relay communication station (110, 210) with the communication network. a relay communication station (110, 210) for relaying a communication between a terminal apparatus and a communication network via a feeder link for mobile communication, the relay communication station (10, 20) being mounted on a flying object; a radio communication section for transmitting and receiving control information to and from a remote control apparatus via a radio communication line for flight control and via a communication station for High-Altitude Platform Stations, HAPS, control, the radio communication line being different from the feeder link for mobile communication and the communication station for HAPS control being provided separately from a feeder station of relaying a communication between the terminal apparatus and the communication network; and a control section for controlling the relay communication station based on the control information received from the remote control apparatus by the radio communication section, characterized in that the control section is configured to perform a cell optimization process for optimizing a cell formed by the relay communication station (110, 210) based on the control information from the remote control apparatus, the control information being received by the radio communication section, the control section is configured to repeatedly perform a beam control process for controlling a beam from the relay communication station (110, 210) to direct to the target area based on a current position and a moving direction of the communication relay apparatus (10, 20), after the cell optimization process, and a frequency band of the radio communication line for flight control used by the radio communication section for a radio communication with the remote control apparatus is a frequency band lower than a frequency band of the feeder link performed by the relay communication station (110, 210) with the communication network.