Special Conditions: Universal Avionics; Electronic System Security Protection From Unauthorized External Access

SC 25-874-SC Current Effective 03/05/2025 FR Pub 03/05/2025 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

14 CFR Part 25
14 CFR Part 34
14 CFR Part 36
14 CFR Part 11

Specific sections

§ 11.19

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