Special Conditions: Avmax Aviation Services Inc., Bombardier Model DHC-8-100/-200/-300 Series Airplanes; Installed Rechargeable Lithium Batteries and Battery Systems

These special conditions are issued for the Bombardier Model DHC-8-100/-200/-300 series airplanes. These airplanes, as modified by Avmax Aviation Services Inc. (Avmax), 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 to replace the existing nickel-cadmium and lead-acid rechargeable batteries. The applicable airworthiness regulations do not contain adequate or appropriate safety standards for these design features. 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.