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. |
source: Docket No. 5066, 29 FR 18291, Dec. 24, 1964, unless otherwise noted.
cite as: 14 CFR 25.779