14 C.F.R. § 27.673 Primary flight control.
Title 14 - Aeronautics and Space
Primary flight controls are those used by the pilot for immediate control of pitch, roll, yaw, and vertical motion of the rotorcraft. [Amdt. 27–21, 49 FR 44434, Nov. 6, 1984]
Title 14: Aeronautics and Space
PART 27—AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT
Subpart D—Design and Construction
Control Systems
§ 27.673 Primary flight control.
