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