Special Conditions: Peregrine, Textron Aviation Model 400A Airplane; Rechargeable Lithium Batteries

These special conditions are issued for the Textron Aviation (Textron) Model 400A airplane. This airplane, as modified by Peregrine, 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 a main ship rechargeable lithum battery. 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.