LED Runway Edge Lights

[nomorecatering]

Just browsing a couple of airfield lighting web sites and noticed they are marketing LED taxiway centreline and edge lights. But could't find anything on LED runway edge lights. Now i;m talking about permanent lights, not portable battery powered ones.

Have LED runway edge lights been made available yet. If not how long till they are developed enough.

[Zeffy]

Won't LED lighting be problematic to EFVS which are "tuned" to incandescent lamp spectra? For example,

http://www.kollsman.com/products/commercial-aviation-systems/enhanced-vision-system.asp

http://www.cmcelectronics.ca/En/Prodserv/Commav/commav_evs_overview_en.html

[chevvron]

Are LEDs suitable for varying intensity; you'd need at least two intensities for runway edge, more if the runway is precision instrument.

[Piltdown Man]

You could manage that. Have each light as an array of bulbs. One bulb = dim, twenty = bright. But from the looks of things, LED's are already here in the UK. I'd swear that the "wigs-wags" at LCY are LED's.

[Spitoon]

I wonder whether the problem is getting the necessary brilliance (i.e. candelas) out of LEDs.

[forget]

Lots of LED info here......

https://www.industry.siemens.com/adb/en/productcenter/product_catalogue/taxiway_apron_signs/a03450/a03450_01.htm