CS 25.779 Motion and effect of cockpit controls

Navigate / EASA

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ED Decision 2003/2/RM

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 wing-flaps up; rearward for flaps down
Trim tabs (or equivalent)	Rotate to produce similar rotation of the aeroplane 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

(2) Auxiliary.

Controls	Motion and effect
Landing gear	Down to extend

Source-Title: CS 25.779 Motion and effect of cockpit controls

Erulesid: ERULES-1963177438-8723 Compare versions

Domain: Initial airworthiness

Amendedby: Initial issue

Applicabilitydate: 17 October, 2003

Entryintoforcedate: 17 October, 2003

Regulatorysource: ED Decision 2003/2/RM Navigate

Regulatorysubject: CS-25

Typeofcontent: CS (Certification specification)

Origin: EASA

Category: EAR