14 CFR 25.779 - Motion and effect of cockpit controls.

§ 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.
[Doc. No. 5066, 29 FR 18291, Dec. 24, 1964, as amended by Amdt. 25-72, 55 FR 29778, July 20, 1990]
Beta! The text on the eCFR tab represents the unofficial eCFR text at ecfr.gov.
§ 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.
[Doc. No. 5066, 29 FR 18291, Dec. 24, 1964, as amended by Amdt. 25-72, 55 FR 29778, July 20, 1990]

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United States Code

Title 14 published on 2015-01-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 14 CFR Part 25 after this date.

  • 2015-11-20; vol. 80 # 224 - Friday, November 20, 2015
    1. 80 FR 72555 - Special Conditions: Associated Air Center, Boeing Model 747-8 Airplane; Shoulder-Belt Airbags for Side-Facing Seats
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      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Final special conditions; request for comments.
      The effective date of these special conditions is November 20, 2015. We must receive your comments by January 4, 2016.
      14 CFR Part 25