As the accident involves two airplanes, it is necessary to look at it from the different perspectives of the flight crews:
1.1 Passenger Jet Crew’s Perspective:
Shortly after midnight, the chartered jet is about to leave the gate and taxi to the runway for takeoff. Weather conditions are good, with visibility above 10 km (6 mi) in light rain. Traffic is slightly higher than usual due to a football match. Work on several aprons and taxiways contributes to “light pollution” at night. You are the captain and the pilot flying. Radio communications are in French.