Airport runway lights at night11/24/2023 ![]() ![]() Rapid Exit Taxiway Indicator Lights (RETILs) may be provided to indicate the distance to go to the nearest rapid exit taxiway.The method of provision is specified in ICAO Annex14 Volume 1 ‘Aerodrome Design and Operations’ and the lighting must extend from the landing threshold for either 900 metres or to the midpoint of the runway, whichever is the least. Touchdown Zone (TDZ) Lighting must be provided on runways available for use in low visibility conditions so as to provide enhanced identification of the touchdown area.Such colour coded centreline lighting consists of alternating red and white lights beginning at 900 metres from the runway end and these change to continuous red lights for the last 300 metres of the runway. Runway Centreline Lighting may be provided in which case it will extend for the full length of the runway, It will be white except in the event that colour coding is provided in order to indicate the approaching end of the runway.Red unidirectional edge lights visible only in the direction of runway use are provided at intervals until a further transverse line which marks` the end of the stopway. ![]() Stopway Lighting may be used to show the extent of a stopway beyond the designated end of a runway.Runway Exit taxiways may be indicated by substitution of one or two of the white runway edge lights with blue ones. ![]() Various other forms of runway lighting may also be provided, especially if the runway is used for aircraft movements in less than ILS Cat 1 conditions, which require both Low Visibility Procedures (LVP) and, in most cases, specific forms of additional lighting. They are red and can only be seen in the direction of runway use.
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