The chief executives of major US passenger and cargo carriers on Monday warned of an impending “catastrophic” aviation crisis on Wednesday when AT&T and Verizon are set to deploy new 5G service. The airlines warned the new C-Band 5G service could potentially make a significant number of widebody aircraft unusable and “could potentially strand tens of thousands of Americans overseas”. “Unless our major hubs are cleared to fly, the vast majority of the travelling and shipping public will essentially be grounded,” wrote the chief executives of American Airlines, Delta Air Lines, United Airlines, Southwest Airlines and others. The FAA has…