Behind the scenes of baggage screening in Roissy airport Ever wondered how your suitcase goes missing from a flight? It's all down to the baggage screening department of an airport. In Paris's busy Charles de Gaulle airport, impressive baggage screening machines operate in the basement, with an automated system, to transport and screen luggage before they're loaded into the hold of a flight. The new screening machine can handle up to 8,000 suitcases an hour.