In 2026, air traffic systems are broadly categorized into several integrated layers that ensure global aviation safety. The most fundamental is Air Traffic Control (ATC), which is subdivided into Tower Control (managing runways and immediate airport vicinity), Terminal Radar Approach Control (TRACON) (managing aircraft within a 30-50 mile radius), and Air Route Traffic Control Centers (ARTCC) (managing high-altitude "en route" traffic). Beyond personnel, these systems rely on Surveillance Systems like Secondary Surveillance Radar (SSR) and the modern ADS-B (Automatic Dependent Surveillance-Broadcast), which allows aircraft to broadcast their precise GPS position to both ground stations and other planes. Additionally, Air Traffic Management (ATM) systems oversee the strategic flow of traffic to minimize delays, while Flight Information Services (FIS) provide pilots with critical weather and aeronautical data. In recent years, Unmanned Aircraft System Traffic Management (UTM) has emerged as a distinct system specifically designed to integrate drones and "Air Taxis" into the national airspace, utilizing AI-driven cloud platforms to manage low-altitude traffic without overtaxing traditional human controllers.