If Airbus is your preference, the Fenix A320 is the only answer. What sets it apart? Fenix actually simulated the real aircraft's onboard computers (the ELAC, SEC, and FAC). Most addons fake this; Fenix runs an external executable that processes the actual Airbus flight logic. According to flightsimaddonsnet, for system depth , this is the best addon currently available, bar none.
FlightSimAddons.net is (or was) a community-driven website focused on flight simulation add-ons, tools, and resources. Below is a concise evaluation covering history, content, user experience, credibility, strengths, weaknesses, and recommendations. flightsimaddonsnet best
: Widely considered the gold standard for "study-level" narrow-body airliners with complex systems and realistic flight models. PMDG Boeing 737 Series If Airbus is your preference, the Fenix A320