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Atlas / Special Conditions / 29-059-SC

FAA · Special Condition

Special Conditions: Sikorsky Model S-61A, S-61L, and S-61N (Including Those Modified by Supplemental Type Certificate (STC) No. SH640NE) Helicopters; Overload Protection Device in a Hoist

SC 29-059-SC Current Effective 08/05/2025 FR Pub 08/05/2025 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

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