LED Internally Edge Illuminated Guidance Signs


Airfield Lighting Systems LED internally lit ICAO/EASA/CAP168 compliant guidance signs, single or double sided.

On the forefront of new technology, ALS have designed their LED Taxiway signs to be energy efficient and require minimal maintenance.

The construction utilises the robustly designed ALS cabinet, and uses stainless steel fixings throughout.

On the forefront of technology ALS have developed their LED taxiway signs to be energy efficient and require minimal maintenance.  The construction utilises the tried and tested ALS cabinet, and uses stainless steel throughout.


For operation in RVR less than 800m

  • Taxiway Holding Positions
  • Runway Exit Signs
  • Taxiway Location & Direction Signs
  • NO ENTRY and STOP Signs


  • Low power consumption
  • Average power factor of 0.89
  • Excellent uniformity of light across the face
  • Supplied fully assembled
  • Minimal maintenance required
  • Ease of installation
  • Option for double sided cabinets
  • Long term cost savings
  • Powder coated, corrosion resistant, extruded aluminium casing
  • Hinged front face for easy access and maintenance
  • T Shape floor base for strength and easy drilling on site.
  • Temperature range -40 0C to +60 0C
  • Height of 800, 600 or 400mm and incremental lengths of 1.5m (please note ICAO Annex 14 recommends a max length of 3m)
  • 6A constant current circuit
  • Fully dimmable
  • Standard isolating transformers
  • LED life expectancy 50,000 hours


  • Double sided cabinets
  • Isolation switch
  • Interleaving
  • Tethers
  • Bird wire
  • 120V-240V AC input
  • Retro-reflective sign faces
  • Halogen or Fluorescent lamp sources


ICAO Annex 14 Vol 1 para 5.4 & Appendix 4
UK CAP 168


The sizing and spacing of the sign characters is determined by International, European or UK standards, (ICAO, EASA or CAP168).  The length of the individual signs is directly related to the displayed legend.  To accommodate these standards, we supply or own internally illuminated signs in 17 different lengths for both mandatory and information signs.