![]() Runway Status Lights is a fully automated system that provides runway status information to pilots and surface vehicle operators to indicate when it is unsafe to enter, cross, or takeoff from a runway. Recreational Flyers & Modeler Community-Based OrganizationsįAA Home ▸ Air Traffic ▸ Technology ▸ Runway Status Lights (RWSL) Runway Status Lights Pilot Reference Guide.Critical Infrastructure & Public Venues.Certificated Remote Pilots including Commercial Operators.Legislation & Policies, Regulations & Guidance.Data & Research Subnav: Data & Research 1. ![]() Airport Safety Information Video Series.Passenger Facility Charge (PFC) Program.Airport Coronavirus Response Grant Program.General Aviation & Recreational Aircraft.Vintage & Experimental Aircraft Program.Aviation Safety Draft Documents Open for Comment.Additionally, there must be at least two crossbars – one at 150 metres from the threshold, and another at 300 metres. ![]() According to ICAO, a 30-metre crossbar must be placed at 300 metres from the threshold.ĬAT II/III is similar to the above, but is also equipped with a side row of red barrette lights, until 270 metres from the threshold. This consists of a row of lights from the Runway Centre Line to 420 metres from the threshold, and a crossbar (18 or 30 metres long) at 300 metres from the threshold.ĬAT I includes a row of lights from the centre line to 900 metres from the threshold. SALS is used in non-instrument and non-precision approach runways. To guide pilots during landing, there are three main approach lighting systems: The Simple Approach Lighting System (SALS), the Precision Approach CAT I lighting system, and the Precision Approach CAT II/III lighting system. On runways that are shorter than 1,800 metres, the Touch-Down Zone lights must not extend beyond the runway mid-point. They are found from the threshold to 900 metres of the runway length. If you see lights with three or more bulbs close to each other, these are likely the Runway Touch-Down zone lights, for runways that handle precision approach operations. These are the Runway Centre Line lights, with the colours representing different lengths of the runway.įrom runway threshold to 900m from runway end: whiteįrom 900m to 300m from runway end: alternate red and white When you look down on a runway, you will see that there are white and red lights along the middle of the runway. These are placed at right angles to the runway and runway edge lights. To mark the end of a runway, at least six red lights are used. If a runway is used for night operations, or during day operations when the Runway Visual Range (RVR) falls below 800 metres, Runway Edge lights are a must. And on runways with a displaced threshold, the lights between the threshold and start of the runway are red. You might notice that the last one-third of the runway length is indicated with yellow Runway Edge lights, instead of white. These are white lights that outline runway, at 3 metres from the outer edge of the runway, with the distance between each light not exceeding 60 metres (or 100 metres for non-instrument runways). Here’s a quick guide to what these common runway and lighting systems mean: Have you ever looked out the window on approach to your destination and wondered what the million dazzling lights mean, and how do pilots and ground personnel decipher them?
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