A radiation image capturing system comprising: a radiation generating apparatus to emit radiation; a bucky device associated with the radiation generating apparatus in advance; a portable Flat Panel Detector cassette and a CR cassette which can be loaded in the bucky device; the portable FPD cassette which can capture a plurality of radiation images of an object successively in a state loaded on the bucky device or by itself, wherein the Flat Panel Detector is a detector to detect emitted radiation and to obtain digital data images; a console which at least includes a display section to display each icon (3A, 3B) corresponding to each of the usable bucky device and the FPD cassette, the console can communicate with the bucky device, the portable FPD cassette, and the radiation generating apparatus, wherein the bucky device notifies the console of the type of cassette loaded when either one of the portable FPD cassette or the CR cassette is loaded; wherein when the cassette loaded in the bucky device is the FPD cassette, the console displays the icon (3A, 3B) corresponding to the bucky device in a manner showing that the FPD cassette is loaded and that the icon (3A, 3B) is selectable in order to apply a predetermined voltage to the radiation generating apparatus and to begin starting of the radiation generating apparatus so that the radiation generating apparatus associated with the bucky device emits radiation,when the icon corresponding to the bucky device displayed in the manner showing that the FPD cassette is loaded is selected, image data is transmitted to the console from the FPD cassette loaded in the bucky device after the capturing is finished. a radiation generating apparatus to emit radiation; a bucky device associated with the radiation generating apparatus in advance; a portable Flat Panel Detector cassette and a CR cassette which can be loaded in the bucky device; the portable FPD cassette which can capture a plurality of radiation images of an object successively in a state loaded on the bucky device or by itself, wherein the Flat Panel Detector is a detector to detect emitted radiation and to obtain digital data images; a console which at least includes a display section to display each icon (3A, 3B) corresponding to each of the usable bucky device and the FPD cassette, the console can communicate with the bucky device, the portable FPD cassette, and the radiation generating apparatus, wherein the bucky device notifies the console of the type of cassette loaded when either one of the portable FPD cassette or the CR cassette is loaded; wherein when the cassette loaded in the bucky device is the FPD cassette, the console displays the icon (3A, 3B) corresponding to the bucky device in a manner showing that the FPD cassette is loaded and that the icon (3A, 3B) is selectable in order to apply a predetermined voltage to the radiation generating apparatus and to begin starting of the radiation generating apparatus so that the radiation generating apparatus associated with the bucky device emits radiation,when the icon corresponding to the bucky device displayed in the manner showing that the FPD cassette is loaded is selected, image data is transmitted to the console from the FPD cassette loaded in the bucky device after the capturing is finished.