To prepare international standards for design, installation, verification and maintenance of aeronautical ground lighting of aerodromes. The activity covers requirements which apply to the whole system from the incoming power to the aerodrome up to and including the luminaires used in aeronautical ground lighting. The activity will not cover: - electrical installations already standardized by TC 64; - luminaires not used as aeronautical ground lights standardized by TC 34; - special cables for the constant current series circuit standardized by TC 20. Note. - Operational requirements for aeronautical ground lights are specified in Annex 14 to the Convention on International Civil Aviation.