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Normal-Category Aeroplanes (CS-23) · CS-23 · EAR revision 13 May 2026
IRImplementing rule
The structure must support:
(a)limit loads without:
(1)interference with the safe operation of the aeroplane; and
(2)detrimental permanent deformation.
(b)ultimate loads.
IR · CS 23.2235 — CS-23 · ED Decision 2017/013/R · CS-23 Easy Access Rules · EAR revision 13 May 2026
AMCAcceptable means of compliance
ASTM F44 F3264 Standard Specification for Normal Category Aeroplanes Certification
6.8 Structural Strength F3114-21 Standard Specification for Structures F3408/F3408M-21 Standard Specification for Aircraft Emergency Parachute Recovery Systems [AMC & GM to CS-23: Issue 4] [AMC & GM to CS-23: Issue 5]
AMC · AMC1 23.2235 — CS-23 · ED Decision 2026/003/R · CS-23 Easy Access Rules · EAR revision 13 May 2026
AMCAcceptable means of compliance
CS-23 Amdt 4
23.305 Strength and deformation
23.307 Proof of structure
23.641 Proof of strength - Wings
23.651 Proof of strength - Control surfaces
23.659 Mass Balance
23.681 (a) Limit load static tests - Control System
23.723 Shock absorption tests
23.725 Limit drop tests
23.726 Ground load dynamic tests
23.727 Reserve energy absorption drop tests
23.729(a) Landing gear extension and retraction system
23.737 Skis
23.843(a) Pressurization tests
23.1435(a)(1) Hydraulic Systems
AMC · AMC2 23.2235 — CS-23 · ED Decision 2017/025/R · CS-23 Easy Access Rules · EAR revision 13 May 2026
AMCAcceptable means of compliance
CS VLA Amdt 1 VLA.305 Strength and deformation VLA.307 Proof of structure VLA.641 Proof of strength - Wings VLA.651 Proof of strength - Control surfaces VLA.659 Mass Balance VLA.681 Limit load static tests - Control System VLA.723 Shock absorption tests VLA.725 Limit drop tests VLA.726 Ground load dynamic tests VLA.727 Reserve energy absorption drop tests VLA.729 Landing gear extension and retraction system VLA.737 Skis VLA.1436 Hydraulic manually-powered brake systems
AMC · AMC3 23.2235 — CS-23 · ED Decision 2017/025/R · CS-23 Easy Access Rules · EAR revision 13 May 2026
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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