The air traffic system meltdown at Newark Liberty International Airport last week “was the most dangerous situation you could have,” according to an air traffic controller on duty that day, as the fallout from the outage stretches into a second week.

Newark Airport is facing a ninth day of delays and cancellations today, as an air traffic controller shortage continues.

The breakdown that resulted in air traffic controllers losing communications with the pilots of planes they were guiding into Newark International Airport has happened at least two other times since August,