The Federal Aviation Administration (FAA) determined on Friday that a planned triumphal arch near Arlington National Cemetery and the Lincoln Memorial does not pose a hazard to aviation. The agency concluded that the structure would have no substantial adverse effect on the operation of Washington Reagan National Airport (DCA) or its navigation facilities.
The determination follows months of debate regarding the structure's location along the airport's most frequently used flight path. Democratic lawmakers and members of the public had previously questioned whether the monument would impact airport capacity or increase the workload for pilots navigating the area's airspace.
According to the FAA, the arch is required to be equipped with obstruction lights to alert pilots of its presence. The agency also stipulated that it must be notified at least 10 days before construction begins and that any changes to the design or height of the monument would require a new review. Interior Secretary Doug Burgum announced that initial excavation work was set to begin prior to the final FAA approval.
The decision has drawn attention from lawmakers who cited recent aviation history. Sen. Tammy Duckworth (D-IL) characterized the project as "dangerous" in a June letter, referencing a fatal collision at the airport in January 2025. The FAA's approval suggests that federal regulators believe safety enhancements implemented after that crash will remain effective even with the addition of the 260-foot monument near the runway approach.
For travelers and airlines, the ruling indicates that there will be no immediate changes to flight schedules, arrival routes, or airport capacity due to the monument. However, the project remains subject to agency oversight, and construction is expected to begin shortly. The FAA has maintained that its feasibility reviews and the requirement for obstruction lighting are sufficient to manage the risks associated with a structure of this height.