I was trying to understand based on several reports including this one.
http://www.mitre.org/sites/default/f...df/07_0603.pdf
With around 60% market share on FMS single isle/narrow body aircrafts for Airbus, appears like Thales FMS is popular among the airlines. Functionally I believe both of them should be having similar features. Trying to understand from safety and savings standpoint which of these two companies offer better FMS. Which of them have been built with much better user experiences, which of them economizes the operator for the route planning and which of them is built to handle NextGen ATM compliance.