The brightly coloured interior layer present in sure aviation jackets serves an important goal past mere aesthetics. This vibrant hue, usually a selected shade of worldwide orange, was chosen for its excessive visibility. A downed pilot, notably in difficult terrain or water, may reverse the jacket, exposing the conspicuous shade, considerably growing the probabilities of being noticed by rescue personnel.
This sensible design function turned an indicator of military-issued flight jackets, particularly in the course of the mid-Twentieth century. The improved visibility provided by this contrasting interior layer offered an important security measure for aviators working in hazardous circumstances. Its adoption displays a broader emphasis on pilot security and survival, underscoring the significance of readily identifiable indicators in emergency conditions. This function continues to be valued in each navy and civilian aviation contexts.