Le personnel Safire fermant les portes du hangar, sur la base aérienne de Francazal
Service personnel from Safire, the French facility for airborne research, closing the hangar doors at the Toulouse-Francazal airport. The ATR 42 is inside. The ATR 42 is a plane that has been specially modified for scientific use. It is perfect for taking measurements in the middle troposphere, including measurements relating to chemistry, remote sensing, microphysics and turbulence. Safire is a unit dedicated to climatic and environmental research, satellite validation and aeronautical development. It uses planes for the benefit of scientific research as part of experimental campaigns.