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4.78 Aerodromes Lighting

4.78.4 Describe the following lighting systems:

(a) Runway edge lighting (REDL);

  • Is normally white for the usable portion of the runway.

(b) Runway landing threshold lighting (RTHL);

  • May extend across the full width of the runway or have a clear gap about the central section.
  • This lighting is normally uni-directional green, visible from the approach direction

(c) Runway end lighting (RENL);

  • Is installed across the end of the runway.
  • It may extend across the full width of the runway or have a clear gap about the central section.
  • This lighting is normally uni-directional red, visible from the direction of the runway.

(d) Runway centreline lighting system (RCLL);

  • A precision approach runway may also be provided with flush centre line lights over the whole length of the runway.
  • This lighting will be coded to show white from the threshold to a point 914m from the runway end; alternate red and white between 914m and 300m from the runway end; and red between 300m and the runway end.
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