(1) Every ship compulsorily equipped under the provisions of section 291 with a radio telegraph or radio telephone installation shall maintain in the radio telegraph or radio telephone room a radio log in which shall be entered such particulars relating to the operation of the radio telegraph or radio telephone installation and as to the maintenance of the radio telegraph or radio telephone service as may be prescribed.
     (2) The provisions of section 215 shall apply to the radio log kept under this section as if it were an official log.