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H25.1 General

Large Aeroplanes (CS-25) · CS-25 · EAR revision 26 Jan 2023

IRImplementing rule

H25.1General

(a)This Appendix specifies requirements for the preparation of Instructions for Continued Airworthiness as required by CS 25.1529 and CS 25.1729

(b)The Instructions for Continued Airworthiness for each aeroplane must include the Instructions for Continued Airworthiness for each engine and propeller (hereinafter designated ‘products’), for each appliance required by this CS-25 and any required information relating to the interface of those appliances and products with the aeroplane. If Instructions for Continued Airworthiness are not supplied by the manufacturer of an appliance or product installed in the aeroplane, the Instructions for Continued Airworthiness for the aeroplane must include the information essential to the continued airworthiness of the aeroplane.

(c)The applicant must consider the effect of ageing structures in the Instructions for Continued Airworthiness (see AMC 20-20).

[Amdt 25/5]

[Amdt 25/19]

IR · H25.1 — CS-25 · ED Decision 2017/015/R · CS-25 Easy Access Rules · EAR revision 26 Jan 2023

All rules in APPENDICES TO CS-25

Consolidated from the EASA Easy Access Rules (revision 26 Jan 2023, 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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