Flights have been suspended at all airports in the U.S. This happens extremely rarely.

On Friday, November 13, the U.S. Federal Aviation Administration (FAA) ordered a suspension of flights at all airports nationwide, citing extraordinary circumstances. The agency did not provide any further details. This followed reports of radio communication disruptions in some parts of the country, according to CNN.

A nationwide suspension of flights is an extremely rare occurrence, notes CNBC. The regulator made this decision in January 2023 due to a malfunction in the pilot alert system. Prior to that, flights from all airports had been suspended following the September 11, 2001, terrorist attacks—when a nationwide ban was imposed for the first time.

This news story is being updated.

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