![]() These fittings have already demonstrated much longer life times, lower energy and maintenance costs as well as a very clear and consistent pattern for pilots. In 2005 the UK CAA issued an information notice (NOTAL 6/2005) approving the use of LED lights but limited to taxiways only.Īs development and refurbishment works have progressed around the taxiway system, around 7,500 out of the 14,300 taxiway lights are now LED fittings. LED fittings for taxiway centre lines have been in use at Heathrow, on a trial basis, since 2002. Refurbishing the runway lighting, however, did involve a significant change in that both runways at Heathrow are now fully equipped with LED fittings for centre line, touch down zone, edge, threshold and stop end lights – a total of 1,720 lights changed. Re-surfacing the runway involved planning out 332,000m 2 of the old grooved Marshall Asphalt surface and replacing with the same material. Completing this work overnight and ensuring the runway is available for operations by 6am the following morning has certainly been a challenge and has involved much detailed planning and preparation, disciplined execution and collaboration between the many stakeholders involved. ![]() ![]() The most recent refurbishment programme is just coming to an end, with the 3,660m southern runway already completed in 2013 and the 3,902m northern runway finished October 2014. ![]()
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