14 C.F.R. § 27.674 Interconnected controls.
Title 14 - Aeronautics and Space
Each primary flight control system must provide for safe flight and landing and operate independently after a malfunction, failure, or jam of any auxiliary interconnected control. [Amdt. 27–26, 55 FR 8001, Mar. 6, 1990]
Title 14: Aeronautics and Space
PART 27—AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT
Subpart D—Design and Construction
Control Systems
§ 27.674 Interconnected controls.