ARINC Specification 647A-2:2025

This specification is an international standard defining the content and format of electronic files which document Flight Data Recording systems. The FRED specification is an expansion of the Flight Recorder Configuration Standard (FRCS) and is intended to provide guidelines for software systems designers and developers of ground support equipment for flight data recorders. The FRED specification has been developed to facilitate the exchange of Flight Data Recorder (FDR) documentation between aircraft manufacturers, operators, and government agencies. This specification addresses the ARINC Specification 664: Part 7, Avionics Full Duplex Switched Ethernet in numerous sections.