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CS-E 30 Assumptions

Engines (CS-E) · CS-E · EAR revision 7 Dec 2023

IRImplementing rule

CS-E 30 Assumptions

(See AMC E 30)

(a)In the course of establishing compliance with CS-E certain assumptions have to be made concerning the conditions that may be imposed on the Engine when it is eventually installed in the aircraft. In order that the validity of the conditions assumed in the Engine certification may be assessed for any particular installation, prior to Engine certification, the details of the assumptions made must be submitted. These assumptions must be included in the Engine instructions for installation required under CS-E 20(d).

(b)Where an Engine system relies on components which are not part of the Engine type design, the interface conditions and reliability specifications for those components upon which the Engine certification is based must be specified in the Engine instructions for installation directly or by reference to appropriate documentation.

[Amdt No: E/1]

IR — CS-E · ED Decision 2007/015/R · CS-E Easy Access Rules · EAR revision 7 Dec 2023

All rules in SUBPART A – GENERAL

Consolidated from the EASA Easy Access Rules (revision 7 Dec 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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