Special Conditions: Bombardier Inc. Model DHC-8-100, -200, -300 and -400 Series Airplanes; Passenger Seats With Non-Traditional, Large, Non-Metallic Panels

These special conditions are issued for all models of Bombardier Inc. DHC-8-100, -200, and -400 Series Airplanes and for Bombardier Models DHC-8-301, DHC-8-311, and DHC-8-315 airplanes in the DHC-8-300 series. These airplanes will have a novel or unusual design feature(s) associated with seats that include non-traditional, large, non-metallic panels that would affect survivability during a post-crash fire event. 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.