Abstract: An electronic flight bag user interface system that has a multi-function flight information display unit in electronic communication with a remote processing unit. The processing unit is in electronic communication with an aircraft avionics system. Pre-loaded flight information allows the user to access and display flight information on the display unit in digital electronic format, including charts and plates, flight manuals, weather information, camera viewing information, ship library information, and revision status of software programmed in the processing unit and revision status of pre-loaded charts, plates and manuals. The system operates on a single or a dual operating system platform, a Windows® based operating system and the other based on a DO178B certified operating system.