Issued on Regulation (EU) 2018/1142
The units and components which furnish a means of storing, updating and
retrieving digital information traditionally provided on paper, microfilm or
microfiche. Includes units that are dedicated to the information storage and
retrieval function such as the electronic library mass storage and controller.
Does not include units or components installed for other uses and shared with
other systems, such as flight deck printer or general use display.