14 CFR · Part 25
14 CFR § 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.
| Controls | Motion and effect |
|---|---|
| Aileron | Right (clockwise) for right wing down. |
| Elevator | Rearward for nose up. |
| Rudder | Right pedal forward for nose right. |
(2)
Secondary.
| Controls | Motion and effect |
|---|---|
| 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.
| Controls | Motion and effect |
|---|---|
| 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.
| Controls | Motion and effect |
|---|---|
| Landing gear | Down to extend. |
Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.
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