By the mid-twentieth century, promoting the safe separation of air traffic was understood to be part of how sovereign states governed in three dimensions. Yet the maturation and proliferation of unmanned aircraft or drones has posed challenges to existing regimes of traffic management. This chapter explores the shifting roles of state and nonstate actors in the case of the Low Altitude Authorization and Notification Capability (LAANC), an initiative to provide U.S. drone operators with

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... access to controlled airspace through the mediation of app-based service providers. I use the walkthrough method elaborated by scholars of new media to examine one leading app called Kittyhawk, analyzing the app's interface, its underlying data sources, and the broader ecology of aviation media in which it participates.