Every component on an aircraft holds vital importance whether it is a small landing light or a vertical stabilizer. Lights are often under shadowed by the sheer brilliance of other parts of an aircraft but do not be mistaken. Without lights, an aircraft would barely be recognizable. Recognizable in the sense that it would be difficult to judge whether an aircraft is crossing the runway, waiting for takeoff, taxiing or the aircraft is moving away or coming towards you. The main purpose of exterior lighting is to provide visibility for pilots and guide them through the sky. However, there exist different types of exterior lights that can be found on aircraft. Let’s take a look at each different type of light and its importance.