Jonathan Stewart was badly shaken by a recent close call in airspace around Newark, N.J. “I don’t want to be responsible for killing 400 people,” he said in an interview.

Jonathan Stewart described working multiple positions per shift to give other air traffic controllers breaks and having to write callsigns in a notebook out of fear of losing radar and radios.

Jonathan Stewart said he has been discussing shortcomings in the U.S ... — A veteran air traffic controller who says he prevented a potential midair collision near troubled Newark ...