America’s biggest airlines and shipping carriers’ CEOs have asked feds for an “immediate intervention” in blocking Verizon and AT&T from launching their highly anticipated 5G network within the radius of 2 miles of the busiest airports.

The wireless companies have profusely invested billions of dollars in 5G’s C-band.

“Airplane manufacturers have informed us that there are huge swaths of the operating fleet that may need to be indefinitely grounded,” Airlines for America wrote Monday in a letter signed by the CEOs of United, Delta, Southwest, American, UPS, FedEx, and more, who serve on the group’s board

“The ripple effects across both passenger and cargo operations, our workforce, and the broader economy are simply incalculable,” the letter continued. “Every one of the passenger and cargo carriers will be struggling to get people, shipments, planes, and crews where they need to be. To be blunt, the nation’s commerce will grind to a halt.”

The letter was directed towards to the heads of the department of transportation, federal communications commission, federal aviation administration, and the national economic council asking for “whatever action necessary to ensure that 5G is deployed except when towers are too close to airport runways until the FAA can determine how that can be safely accomplished without catastrophic disruption.”

The FAA is currently studying the potential impact of 5G on the flights as previously Boeing 787 operators were told to take special precautions while landing.

“With safety as its core mission, the FAA will continue to ensure that the traveling public is safe as wireless companies deploy 5G,” the FAA said in a statement. “The FAA continues to work with the aviation industry and wireless companies to try to limit 5G-related flight delays and cancellations.”

Verizon and AT&T stick with 5G technology ensuring that it is completely safe to be installed in close proximity of airports. A spokesperson of AT&T stated, “We know aviation safety and 5G can co-exist and we are confident further collaboration and technical assessment will allay any issues.”