All products can be manufactured to any one of the following Standard Specifications The Draft Standard, International Electrotechnical Commission, IEC 61823
The Federal Aviation Administration Advisory Circular, AC No: 150/5345-47A
The Department of the Environment, or MoD, Standard Specification, M & E 125 dated March 1971 and the BAA Standard Specification No: E & M dated July 1971
Airfield Lighting Systems' products are approved for use on UK MoD airfields
All Airfield Lighting Systems', AGLST and electronic AGLST are encapsulated in a polyurethane compound that meets all above standards. Once the AGLST is connected to a circuit, it is designed and built to be maintenance free. | 
