This amendment addresses Section 6 ¿¿¿ Aviation electrical installations, facilities and equipment. This section applies to aviation electrical installations, facilities and equipment that supply or use electricity at voltages or frequencies other than SLV to aircraft, airport aprons, aviation equipment, aviation support, and aviation repair workshops. The section addresses the specific differences between the TN-C-S (MEN) configuration and the TN-C (Earth return) aircraft configuration and builds a safety compliance bridge between two disparate electricity regimes.