Expert: Carry-on bags still pose a threat to planes

More screening, restrictions needed in post 9/11 security landscape

It is long past the time that his problem should have been solved.

About the author: Billie H. Vincent is a retired FAA Aviation Regulatory, Safety, Security, and Air Traffic Control (ATC) expert now serving as the president and CEO of aviation consulting firm ASI. He is a former Director of Civil Aviation Security for the U.S. Federal Aviation Administration (FAA) with over 55 years of aviation experience, including senior positions as Chief of the New York En-route (ATC) Center and head of FAA training. As president of ASI, Mr. Vincent has directed and participated in over 90 aviation projects worldwide. Mr. Vincent participated in numerous international aviation conferences and is active in the Air Traffic Control Association (ATCA) and other aviation organizations.