Title 14 - Aeronautics and Space
Volume: 1Date: 2021-01-01Original Date: 2021-01-01Title: Section § 25.779 - Motion and effect of cockpit controls.Context:
Title 14 - Aeronautics and Space. CHAPTER I - FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION. SUBCHAPTER C - AIRCRAFT. PART 25 - AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY AIRPLANES. Subpart D - Design and Construction. - Personnel and Cargo Accommodations.
§ 25.779
Motion and effect of cockpit controls.
Cockpit controls must be designed so that they operate in accordance with the following movement and actuation:
(a) Aerodynamic controls:
(1)
Primary.
Aileron |
Right (clockwise) for right wing down. |
Elevator |
Rearward for nose up. |
Rudder |
Right pedal forward for nose right. |
(2)
Secondary.
Flaps (or auxiliary lift devices) |
Forward for flaps up; rearward for flaps down. |
Trim tabs (or equivalent) |
Rotate to produce similar rotation of the airplane about an axis parallel to the axis of the control. |
(b) Powerplant and auxiliary controls:
(1)
Powerplant.
Power or thrust |
Forward to increase forward thrust and rearward to increase rearward thrust. |
Propellers |
Forward to increase rpm. |
Mixture |
Forward or upward for rich. |
Carburetor air heat |
Forward or upward for cold. |
Supercharger |
Forward or upward for low blower. For turbosuperchargers, forward, upward, or clockwise, to increase pressure. |
(2)
Auxiliary.
Landing gear |
Down to extend. |
[Doc. No. 5066, 29 FR 18291, Dec. 24, 1964, as amended by Amdt. 25-72, 55 FR 29778, July 20, 1990]