David Hart, the general secretary of the National Association of Head Teachers (NAHT) welcomed the extra funding, but said redundancy notices were already going out in places like Bristol.
But the overall air system's safety is built on redundancy, and taking away the controller's extra set of eyes is like removing stop signs or traffic lights from city intersections and forcing drivers to be more vigilant and cautious, says Paul Rinaldi, president of the National Air Traffic Controllers Association.