General Dynamics C4 Systems has secured certification from the US Federal Aviation Administration (FAA) for its CM-300/350 V2 UHF and VHF air traffic control (ATC) radios.

The VHF version connects ATC personnel with general and commercial aviation pilots, while the UHF version is used to communicate with military aircraft.

Following the in-service decision certification, the new radios are approved for installation and operation in FAA facilities and will replace approximately 28,000 old ATC radios in more than 2,000 locations nationwide.

"They have successfully completed the FAA’s extensive testing regimen, ensuring the radios’ performance for years to come."

Expected to arrive at FAA facilities during the fourth quarter of 2014, the new software-defined radios will provide next-generation digital voice communications to air traffic control personnel and pilots as they fly across the US National Airspace System.

In April, the FAA conducted an independent operational assessment in Jacksonville, Florida and tested the radios in realistic ground-to-air operating environments to certify them.

General Dynamics C4 Systems president Chris Marzilli said: "The radios support an FAA safety-critical service, which means they have successfully completed the FAA’s extensive testing regimen, ensuring the radios’ performance for years to come.

"By working closely with the FAA, we were able to take these radios from contract award to the air traffic control tower in just two years, which is a significant achievement by the General Dynamics and FAA radio team."

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Said to be part of the FAA’s Next-Generation Air-Ground Communications (NEXCOM) Segment 2 programme, the new CM-300/350 V2 VHF and UHF radios will be built at General Dynamics C4 Systems facility in Scottsdale, Arizona.