Denver air traffic controllers temporarily lose radio communications with aircraft

[mystery-ak]

Published May 15, 2025 2:21pm EDT
Denver air traffic controllers temporarily lose radio communications with aircraft
FAA examining 90-second communications blackout amid growing concerns over outdated aviation infrastructure

By Daniella Genovese FOXBusiness

The Federal Aviation Administration (FAA) is investigating how pilots flying into Denver International Airport temporarily lost contact with air traffic controllers on Monday.

The FAA told FOX Business that part of the Denver Air Route Traffic Control Center (ARTCC) experienced a loss of communications for approximately 90 seconds around 1:50 p.m. local time on Monday after both transmitters that cover a segment of airspace went down.

Sources told Denver7 that as many as 20 pilots were unable to speak with ATC. However, the FAA said the controllers used another frequency to relay instructions to pilots and that the aircraft remained safely separated. Controllers used another frequency to relay instructions to pilots, and there were no impacts to operations, the FAA added.

According to its website, the Denver ARTCC covers approximately 285,000 square miles of airspace over some or all of the following states: Colorado, Arizona, New Mexico, Utah, Kansas, Nebraska, South Dakota, Wyoming and Montana. 

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https://www.foxbusiness.com/lifestyle/denver-air-traffic-controllers-temporarily-lose-radio-communications-aircraft

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[mystery-ak]

 6-minute outage at Denver airport leaves 20 pilots in the lurch in latest terrifying flight snafu
By Emily Crane   
Published May 15, 2025
Updated May 15, 2025, 2:15 p.m. ET

Denver airport’s air traffic control was reportedly struck by a staggering six-minute outage earlier this week after several radio transmitters suddenly went dark.

The frequency outage meant that as many as 20 pilots were unable to reach air traffic controllers as they descended into Denver International Airport on Monday afternoon, ABC7 reported, citing sources.

A controller eventually made contact with one aircraft on a “guard line,” which is typically only used when a pilot is in distress.

That pilot was then able to contact other nearby planes and tell them to switch radio frequencies, the sources said.

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https://nypost.com/2025/05/15/us-news/denver-air-traffic-control-lost-contact-with-up-to-20-pilots-for-6-minutes-in-latest-terrifying-mishap/