--- title: "CS 23.2200 – CS 23.2270: SUBPART C — STRUCTURES (CS-23) — rule index · Avioverse" description: "CS 23.2200 – CS 23.2270, CS-23. The applicant must determine the structural design envelope, which describes the range and limits of aeroplane design and…" url: "https://avioverse.aero/regulations/easa/cs-23/subpart-c" --- # SUBPART C — STRUCTURES Normal-Category Aeroplanes (CS-23) · CS-23 · CS 23.2200 – CS 23.2270 On this page 1. ## [CS 23.2200 Structural design envelope](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2200) The applicant must determine the structural design envelope, which describes the range and limits of aeroplane design and operational parameters for… [AMC1 23.2200 Structural design envelope](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2200#amc1-23-2200) [AMC2 23.2200 Structural design envelope](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2200#amc2-23-2200) [AMC3 23.2200 Structural design envelope](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2200#amc3-23-2200) 2. ## [CS 23.2205 Interaction of systems and structures](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2205) For aeroplanes equipped with systems that affect structural performance, either directly or as a result of failure or malfunction, the applicant must… [AMC1 23.2205 Interaction of systems and structures](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2205#amc1-23-2205) [AMC2 23.2205 Interaction of systems and structures](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2205#amc2-23-2205) [AMC3 23.2205 Interaction of systems and structures](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2205#amc3-23-2205) 3. ## [CS 23.2210 Structural design loads](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2210) The applicant must: determine structural design loads resulting from likely externally or internally applied pressure, force or moment which may occur in… [AMC1 23.2210 Structural-design loads](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2210#amc1-23-2210) [AMC2 23.2210 Structural-design loads](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2210#amc2-23-2210) [AMC3 23.2210 Structural-design loads](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2210#amc3-23-2210) 4. ## [CS 23.2215 Flight load conditions](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2215) Critical flight loads are established for symmetrical and asymmetrical loading from all combinations of airspeeds and load factors at and within the… [AMC1 23.2215 Flight load conditions](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2215#amc1-23-2215) [AMC2 23.2215 Flight load conditions](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2215#amc2-23-2215) [AMC3 23.2215 Flight load conditions](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2215#amc3-23-2215) 5. ## [CS 23.2220 Ground and water load conditions](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2220) The applicant must determine the structural design loads resulting from taxi, take-off, landing, and handling conditions on the applicable surface in… [AMC1 23.2220 Ground and water load conditions](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2220#amc1-23-2220) [AMC2 23.2220 Ground and water load conditions](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2220#amc2-23-2220) [AMC3 23.2220 Ground and water load conditions](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2220#amc3-23-2220) 6. ## [CS 23.2225 Component loading conditions](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2225) The applicant must determine the loads acting upon all relevant structural components, in response to: [AMC1 23.2225 Component loading conditions](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2225#amc1-23-2225) [AMC2 23.2225 Component loading conditions](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2225#amc2-23-2225) [AMC3 23.2225 Component loading conditions](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2225#amc3-23-2225) 7. ## [CS 23.2230 Limit and ultimate loads](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2230) Unless special or other factors of safety are necessary to meet the requirements of this Subpart, the applicant must determine: [AMC1 23.2230 Limit and ultimate loads](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2230#amc1-23-2230) [AMC2 23.2230 Limit and ultimate loads](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2230#amc2-23-2230) [AMC3 23.2230 Limit and ultimate loads](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2230#amc3-23-2230) 8. ## [CS 23.2235 Structural strength](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2235) The structure must support: limit loads without: interference with the safe operation of the aeroplane; [AMC1 23.2235 Structural strength](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2235#amc1-23-2235) [AMC2 23.2235 Structural strength](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2235#amc2-23-2235) [AMC3 23.2235 Structural strength](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2235#amc3-23-2235) 9. ## [CS 23.2240 Structural durability](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2240) The applicant must develop and implement inspections or other procedures to prevent structural failures due to foreseeable causes of strength… [AMC1 23.2240 Structural durability](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2240#amc1-23-2240) [AMC2 23.2240 Structural durability](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2240#amc2-23-2240) [AMC3 23.2240 Structural durability](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2240#amc3-23-2240) 10. ## [CS 23.2245 Aeroelasticity](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2245) The aeroplane must be free from flutter, control reversal, and divergence: [AMC1 23.2245 Aeroelasticity](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2245#amc1-23-2245) [AMC2 23.2245 Aeroelasticity](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2245#amc2-23-2245) [AMC3 23.2245 Aeroelasticity](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2245#amc3-23-2245) 11. ## [CS 23.2250 Design and construction principles](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2250) Each part, article, and assembly must be designed for the expected operating conditions of the aeroplane. [AMC1 23.2250 Design and construction principles](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2250#amc1-23-2250) [AMC2 23.2250 Design and construction principles](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2250#amc2-23-2250) [AMC3 23.2250 Design and construction principles](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2250#amc3-23-2250) 12. ## [CS 23.2255 Protection of structure](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2255) Each part of the aeroplane, including small parts such as fasteners, must be protected against deterioration or loss of strength due to any cause likely… [AMC1 23.2255 Protection of structure](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2255#amc1-23-2255) [AMC2 23.2255 Protection of structure](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2255#amc2-23-2255) [AMC3 23.2255 Protection of structure](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2255#amc3-23-2255) 13. ## [CS 23.2260 Materials and processes](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2260) The applicant must determine the suitability and durability of materials used for parts, articles, and assemblies, the failure of which could prevent… [AMC1 23.2260 Materials and processes](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2260#amc1-23-2260) [AMC2 23.2260 Materials and processes](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2260#amc2-23-2260) [AMC3 23.2260 Materials and processes](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2260#amc3-23-2260) 14. ## [CS 23.2265 Special factors of safety](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2265) The applicant must determine a special factor of safety for each critical design value for each part, article, or assembly for which that critical design… [AMC1 23.2265 Special factors of safety](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2265#amc1-23-2265) [AMC2 23.2265 Special factors of safety](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2265#amc2-23-2265) [AMC3 23.2265 Special factors of safety](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2265#amc3-23-2265) 15. ## [CS 23.2270 Emergency conditions](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2270) The aeroplane, even when damaged in an emergency landing, must protect each occupant against injury that would preclude egress when: [AMC1 23.2270 Emergency conditions](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2270#amc1-23-2270) [AMC2 23.2270 Emergency Conditions](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2270#amc2-23-2270) [AMC3 23.2270 Emergency Conditions](https://avioverse.aero/regulations/easa/cs-23/subpart-c/cs-23-2270#amc3-23-2270) Consolidated from the EASA Easy Access Rules (revision 13 May 2026, extracted 13 Oct 2026) for convenience. 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