LIGHTS TO BE DISPLAYED BY AEROPLANES. In Flight. From sunset to sunrise or during any period which may be preseribed by the appropriate authority all aeroplanes in flight must display: navigation lights intended to indicate the relative path of the aeroplane to an observer. Other lights are not to be displayed if they are likely to be mistaken for these lights. anti-coilisian lights intended to make an aircraft's presence conspicuous. Anti-coilisian lights must be displayed during daylight unless they adversely affect the performance of duties or cause a harmful dazzle to an outside observer. Navigation Lights. There are three navigation lights fitted to aeroplanes, one on each wing tip, and the other on the aft parts of the fin. A red light is displayed on the port wing tip, a green lig ht on the starboard wing tip and a white lig ht at the rear of the aircraft. ' TAIL LIGHT 140" ~ STARBOARD . • ... 1·10° • • • t Figure 2. 15 Navigation Lights (Top). STARBOARD 180" PORT 180" Figure 2. 16 Aircraft coming towards you. 33 An emergenoy ~ vf! h icle going to the assistence of an aircraft has priority over all other surface mavement traffic.
CHAPTER 2: RULES OF THE AIR (ICAO) The red and green lights are required to be seen from straight ahead through 11 o o in the horizontal plane and through 90° above and below the aeroplane in the vertical plane. The white light must be able to be seen 70° to the right and left in the horizontal plane aft of the aeroplane and throughout 90° in the vertical plane (see Figure 2. 15). Aeroplanes on the Movement Area. From sunset to sunrise, or during any other period preseribed by the authority an aeroplane on the mavement area, and an aircraft with its engines running, must display: When moving, navigation lights intended to indicate the relative path of the aeroplane to an observer. No other lights shall be displayed if they may be mistaken for the navigation lights. When moving, lights intended to indicate the extremities of its structure. Lig hts intended to attract attention to the aeroplane (anti-coilisian lights ). Lights which indicate the fact that the engine is running (anti-collision lights ). Anti-coilisian lights must be displayed in daylight hours unless they adversely affect the performance of duties or cause a harmful dazzle to an outside observer. Co/our of Anti-Co/lision Lights. Ratareraft Flashing RED Other Aircraft Flashing RED and/or~~ Switching Off or Reducing Flashing Lights for Safety Reasons. In the interest of safety, if flashing lights fitted to an aeroplane adversely affect any performanca of duty (i.e. reflected flash from cloud at night) or causes harmful dazzle to an observer, the pilot is permitted to switch lights off or reduce their intensity. Lights must be switched on: a. In flight at night.