The infrastructure piece of the FAA’s NextGen air traffic control (ATC) modernization is “nearly complete,” Acting Assistant Administrator Pamela Whitley told an Air Traffic Control Association (ATCA) conference in Atlantic City, New Jersey. Other speakers described a U.S. national airspace system that has ongoing traffic-flow and congestion problems. In an upbeat address to the ATCA Technical Symposium on May 16, Whitley ticked off progress on multiple systems and ...