There were metal detectors, but you could go anywhere in the airport that normal people could go without a ticket. The security people never asked to see your t

There were metal detectors, but you could go anywhere in the airport that normal people could go without a ticket. The security people never asked to see your ticket. It wasn't until you got to the gate that you had to show you had a ticket. So, if you were into planes, you could just go to the airport, go to any place in the terminal and sit down and watch the planes all day long.