Abstract: Disclosed is a multimedia server on-board an aircraft including: a database including a permanent part and a temporary part, the temporary part being empty each time the aircraft takes off; a module for receiving a request from a terminal including a playback request for a multimedia file of interest; a processing module configured for checking whether the multimedia file of interest is present in the database; an external communication module configured for sending the request to an external system when the multimedia of interest is not present in the database and for receiving the multimedia file of interest and for storing same in the temporary part; and a module for sending the multimedia file of interest to the terminal.