Airliners are loaded up with redundant systems, so one failure cannot cause a catastrophe. If one thing fails, then a backup system is there to carry on. In this case, ATC had no redundancy. Granting permission to cross an active runway MUST be verified by a second controller. One man's mistake should NEVER lead to a disaster.
Airliners are loaded up with redundant systems, so one failure cannot cause a catastrophe. If one thing fails, then a backup system is there to carry on. In this case, ATC had no redundancy. Granting permission to cross an active runway MUST be verified by a second controller. One man's mistake should NEVER lead to a disaster.