Short version… if anyone thinks that is a good idea, now or in the future. The root cause problem and opportunity to improve ‘ATC’ system performance and airport throughput, effectively expanding capacity, is by preventing unmanaged, self-induced congestion, rather than forcing ATC to fix unmanaged, self-induced congestion, requiring more controllers to issue vectors, reroutes, and delays to more flights. Addressing the root cause of random congestion reduces the need for ATC intervention, infrastructure, and controller workload, while capturing and allowing utilization of latent system capacity. Also improves customer, investor, employee and national economic outcomes. The solution is for FAA to incentivize (or mandate) airlines to real-time manage their own day-of-flight 4D trajectories, system optimize aircraft flows, sequencing and spacing to their own business rules, using their own realtime information about their own resource statuses, which has been possible for decades. Allow ATC to real-time broker multiple carrier system optima to generate a global system optimum, passing edited carrier optima back for ACARS communication to flight decks. Possible and commercialized for more than a decade. If these facilities had never been demonstrated and independently validated as producing meaningful on-time improvements and flying time (capital and operating expense) reduction benefits — including in FAA-funded, brokered multi-carrier trials — one might say ‘pie in the sky, computationally unscalable’. The reality is the facilities are commercially available, and are on the shelf for rapid deployment. Unfortunately, based on the published documentation as well as statements by FAA/DOT, the vaunted $30+ billion BNATCS addresses none of this. Ten years and way more than $30 billion from now, nothing will have changed except for more flights, more delays, the need for more controller intervention, and airlines will still be fixated on a familiar topic, more finger-pointing. - Bob Mann On May 17, 2026, at 20:35, Robert Mark via Mifnet <[email protected]> wrote:
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