FAA Lacks Tools to Detect Air Travel Signal Attacks

A Government Accountability Office review finds the agency cannot yet monitor or detect GPS interference and spoofing as it happens.

Updated on Nov. 6, 2026 in Air Travel

FAA Lacks Tools to Detect Air Travel Signal Attacks

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Should the federal government spend more to protect air travel from GPS jamming and spoofing?

The FAA lacks real-time monitoring and detection capabilities to prevent threats to air travel communications systems, according to a Government Accountability Office report. The GAO made nine recommendations to strengthen the agency's monitoring, detection and prevention of aviation communication attacks.

Why it matters

Interference with GPS signals can disrupt airport operations and aircraft navigation, affecting travelers across the country. Without continuous monitoring tools, the FAA cannot proactively prevent these threats, leaving the national air system exposed.

A GAO review identified three key threats to air travel communications, and a 2022 Dallas spoofing attack alone caused more than 230 flight-departure delays. It remains unclear how the FAA will fund the tools needed to detect interference as it occurs.

The players

Federal Aviation Administration

The federal agency responsible for regulating and overseeing U.S. civil aviation, including airspace safety and air traffic control.

Government Accountability Office

The nonpartisan investigative arm of Congress that audits federal agencies and issued the recommendations on FAA monitoring.

The details

Spoofing involves an attacker faking a GPS or similar signal so aircraft or ground systems mistake it for the real one, while jamming disrupts communications so nothing can get in or out. Examples include a 2012 incident in which a truck driver accidentally interfered with Newark Airport's GPS transmission, and 2022 attacks on Dallas and Denver airports.

2012: A truck driver accidentally disrupts GPS transmission tracking airplane departures at Newark Airport.
2022: Spoofing near Dallas airport and jamming at Denver International Airport disrupt navigation and departures.

Travel Outlook

The GAO findings extend the 2022 Denver International Airport jamming attack, showing the FAA still lacks the tools to prevent similar disruptions. Interference with GPS signals is a growing concern for domestic air travel as conflict regions report rising attacks.

Travelers may face flight-departure delays when airports experience GPS interference, so allowing extra time at the airport can help. Keep an eye on airline notices for schedule changes during periods of navigation disruption.

The takeaway

Interference with aircraft navigation signals is a security issue the FAA is still working to address, so travelers should expect occasional delays. Staying informed through airline updates is the most practical step for now.