---
title: "CS 23.2235 Structural strength — CS-23 · Avioverse"
description: "The structure must support: limit loads without: interference with the safe operation of the aeroplane;"
url: "https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2235"
---

# CS 23.2235 Structural strength

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

IR Implementing rule

## CS 23.2235 Structural strength

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

AMC Acceptable means of compliance

## AMC1 23.2235 Structural strength

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

AMC Acceptable means of compliance

## AMC2 23.2235 Structural strength

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

AMC Acceptable means of compliance

## AMC3 23.2235 Structural strength

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

[All rules in SUBPART C — STRUCTURES](https://avioverse.aero/regulations/easa/cs-23/subpart-c)

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