Special Conditions: Peregrine, Textron Model 650 and Beechcraft Model BAe.125 Series 800A Airplanes; Rechargeable Lithium Batteries and Battery Systems

These special conditions are issued for the Textron Model 650 and Beechcraft Model BAe.125 Series 800A (Model 800A) airplanes as modified by Peregrine. These airplanes 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 rechargeable lithium batteries and battery systems installed in the airplanes. 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.