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Atlas / Special Conditions / 33-017-SC

FAA · Special Condition

Special Conditions: CFM International, LEAP-1B Engine Model; Incorporation of Woven Composite Fan Blades

SC 33-017-SC Current Effective 08/04/2025 FR Pub 08/04/2025 PDF on drs.faa.gov ↗

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.

CFR Parts

The PDF on drs.faa.gov is the authoritative document. Open ↗