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CS 23.2300 Flight control systems

Normal-Category Aeroplanes (CS-23) · CS-23 · EAR revision 13 May 2026

IRImplementing rule

CS 23.2300Flight control systems

(a)The flight control systems are designed to:

(1)operate easily, smoothly, and positively enough to allow proper performance of their functions;

(2)protect against likely hazards.

(b)Trim systems, if installed, are designed to:

(1)protect against inadvertent, incorrect, or abrupt trim operation;

(2)provide information that is required for safe operation.

IR · CS 23.2300 — CS-23 · ED Decision 2017/013/R · CS-23 Easy Access Rules · EAR revision 13 May 2026

AMCAcceptable means of compliance

AMC1 23.2300Flight control systems

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ASTM F44 F3264 Standard Specification for Normal Category Aeroplanes Certification

7.1 Flight Control Systems F3061/F3061M-24a Standard Specification for Systems and Equipment in Small Aircraft F3232/F3232M-25 Standard Specification for Flight Controls in Small Aircraft F3066/F3066M-18 Standard Specification for Aircraft Powerplant Installation Hazard Mitigation F3117/F3117M-24a Standard Specification for Crew Interface in Aircraft Remarks Except as follows: For Level 1 single-engine aeroplanes with a stall speed in the landing configuration (VS0) of more than 45 knots, ASTM F3264-24, paragraph 7.1 does not include means for showing that the aeroplane is protected from loss of control when any one connecting or transmitting element in the primary flight control system fails. If applying for certification of a Level 1 single-engine aeroplane with a VS0 greater than 45 knots, applicants may use the requirements of CS 23.677(b)(1) at Amendment 4 as a means of complying with this aspect of CS 23.2300, or may propose a different means of compliance in accordance with CS 23.2010. For powered trim, applicants may use the provisions of CS 23.677(d) at Amendment 4 as a means of complying with CS 23.2010. [AMC & GM to CS-23: Issue 4] [AMC & GM to CS-23: Issue 5]

AMC · AMC1 23.2300 — CS-23 · ED Decision 2026/003/R · CS-23 Easy Access Rules · EAR revision 13 May 2026

AMCAcceptable means of compliance

AMC2 23.2300Flight control systems

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CS-23 Amdt 4

23.655 Installation

23.671(a) Control systems - General

23.672(b), (c) Stability augmentation and automatic and power-operated systems

23.673 Primary flight controls

23.675 Stops

23.677(a), (b) Trim systems

23.679(c) Control system locks

23.683 Operation tests

23.685 Control system details

23.687 Spring devices

23.697 Wing flap controls

23.701 Flap interconnection

23.1329(b) Automatic Pilot System

AMC · AMC2 23.2300 — CS-23 · ED Decision 2017/025/R · CS-23 Easy Access Rules · EAR revision 13 May 2026

AMCAcceptable means of compliance

AMC3 23.2300Flight control systems

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CS VLA Amdt 1 VLA.655 Installation VLA.671 Control systems - General VLA.673 Primary flight controls VLA.675 Stops VLA.677 Trim systems VLA.679 Control system locks VLA.683 Operation tests VLA.685 Control system details VLA.687 Spring devices VLA.697 Wing flap controls VLA.701 Flap interconnection

AMC · AMC3 23.2300 — CS-23 · ED Decision 2017/025/R · CS-23 Easy Access Rules · EAR revision 13 May 2026

All rules in SUBPART D — DESIGN AND CONSTRUCTION

Consolidated from the EASA Easy Access Rules (revision 13 May 2026, extracted 17 Aug 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.

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