Description / Abstract: This document provides the framework for development of future FIS data link systems and associated MOPS. The document is designed to: present the user’s perspective of operational concepts and system characteristics for FIS data link applications; identify, describe, and prioritize the FIS data link products and June 2014 RTCA List of Available Documents Page 71 of 142 services needed to support both current and future flight operations in the National Airspace System, including international oceanic operations; identify infrastructure barriers to successful implementation and utilization of the priority FIS products.