This Internal Report outlines the scope of the changes needed to incorporate DFMC GBAS into ED-114(). It identifies the sections that need to be changed and lists the material that needs to be developed for the sections to be updated. The output differentiates between the impact of SFDC (“GAST D+”) and DFMC GBAS. In order to develop a detailed report on this topic, the technical concept for DFMC GBAS needs to be defined.