Special Conditions: Boeing, Model 767-200/-300 Series Airplane, as Modified by Avionics Support Group; Installed Rechargeable Lithium Batteries and Battery Systems

These special conditions are issued for the Boeing, Model 767- 200/-300 series airplanes. These airplanes, as modified by Avionics Support Group, will have a novel or unusual design feature when compared to the state of technology envisioned in the airworthiness standards for transport category airplanes. This design feature is an ePhone handset for use with the ICS SATCOM System that will use rechargeable lithium batteries and battery systems. The applicable airworthiness regulations do not contain adequate or appropriate safety standards for this design feature. These special conditions contain the additional safety standards that the Administrator considers necessary to establish a level of safety equivalent to that established by the existing airworthiness standards.