collapse in the skies
For those fluent in Portuguese, Globo TV network run a series of reports on the situation of air transportation in Brazil. One of the reports dealt with the way the Brazilian traffic air control system works and the problems it faces, due to the dire state of the airport infrastructure. It’s a video worth watching as it shows in a very clear manner where the problem lies.
The video is here: Entenda o funcionamento e o controle do espaço aéreo brasileiro.