NASA researchers understand that passengers expect smooth takeoffs, cloud views, steady descents, and early arrivals. Delays on the tarmac or holding patterns instead of landing turn that experience into anxiety about connections and getting home.
Major airports are among the most complex aviation environments, with aircraft, ground crews, and service vehicles crowded onto taxiways. Researchers at NASA’s Ames Research Center in California’s Silicon Valley partnered with Boeing to advance three field tests—digital taxi information, safe taxiway, and safe runways—aimed at creating safer, more efficient runway environments.
During digital taxi tests, pilots received taxiway guidance via cockpit displays or tablets rather than verbal instructions from controllers. Aircraft autonomously followed digital routes while sensors monitored for vehicles or other aircraft encroaching on the taxi path or runway. The system reduced workload for pilots and controllers and minimized verbal errors.
Safe runway technology also improves situational awareness for approaching aircraft. During Boeing landing tests, the same sensors successfully detected a vehicle on the runway, alerting pilots to potential collisions.
Together, these NASA capabilities aim to reduce miscommunication, ease pilot workloads, and keep airport traffic flowing. Future testing will integrate sensor and digital taxi systems into a simulated air traffic control environment to evaluate benefits for overall airspace management.
“Aviation safety is key to NASA’s research,” said Parimal Kopardekar, director of NASA’s Airspace Operations and Safety project. “Technology that can provide additional autonomy and support a future airspace with multiple aircraft operating in harmony is key to advancing the National Airspace System.”
NASA’s air traffic management research also addresses in-flight challenges. Modern flights constantly adjust to weather, turbulence, and traffic; even minor altitude or direction changes affect arrival times, sometimes forcing holding patterns while controllers rebalance airspace.
In a 2025 collaborative effort with Boeing, United Airlines, and international partners, NASA evaluated real-time trajectory sharing on domestic and transoceanic flights. During testing, a United Airlines Boeing 737 shared frequent flight data with airline operations centers and air traffic control. NASA analyzed how often updates should be sent and which details matter most for accurate arrival predictions. Better information helps controllers sequence traffic more precisely, reducing holding patterns and enabling more direct descents.
Pre-departure rerouting technology and digital exchange tools developed at NASA give dispatchers and controllers a shared digital view of flights preparing to depart. When a better route becomes available, controllers can coordinate changes digitally rather than relying on verbal communication among pilots, controllers, and dispatchers. This could reduce delays, fuel consumption, and improve operational predictability.
NASA has transferred the routing technology to the FAA, and airlines will continue testing it. These tools build on decades of NASA contributions to national airspace modernization.
In coordination with the FAA, NASA has advanced automation concepts, improved arrival and departure flow management, and introduced data-driven software now used daily by commercial airlines.