Special Conditions: H4 Aerospace (UK) Ltd, The Boeing Company Model 757-200 Series Airplane; Seats With Non-Traditional, Large, Non-Metallic Panels

What is a Special Condition?

When an aircraft design includes a novel feature not addressed by the existing 14 CFR airworthiness standards, the FAA imposes Special Conditions — additional requirements specific to that design. They're project-specific, not type-applicable.