Issues With Use of Airfield LED Light Fixtures (2012) / Chapter Skim
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13 Summary The survey of individuals representing different airports with experience using LED airfield lighting systems, integrated with literature on the operation and maintenance of these systems, resulted in several key findings: • Many maintenance issues with LED airfield lighting fixtures, including mechanical damage from snow plowing and sweeping equipment and water ingress, are similar to those for incandescent lighting systems. Operations such as plowing and sweeping must be performed carefully in all cases.
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14 the impact of increased life and longer maintenance cycles of LED lighting on system operation. LED airfield lights at Hartsfield–Jackson Atlanta International Airport were reported to have longer lives and longer maintenance cycles (Masters et al.
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15 tems were newer and there was less guidance from agencies such as the FAA regarding the operation of LED lighting fixtures. As described in Appendix D, various revisions of EB No.
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16 were used with multiple light fixtures to deal with the reduced electrical load, and another reported that the LED systems were basically compatible with existing regulators but did not "mesh well" and eventually the regulators were replaced. weather anD envirOnmentaL iSSueS As described earlier in chapter two, LEDs do not directly generate heat in their emission; because of this there are questions about keeping LED airfield fixtures clear of snow and ice in very cold weather.
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17 or with flooding, including after flooding (Question D11)
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18 of their initial light output (see Appendix D)
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