---
title: "CS 25.27 Centre of gravity limits — CS-25 · Avioverse"
description: "The extreme forward and the extreme aft centre of gravity limitations must be established for each practicably separable operating condition."
url: "https://avioverse.aero/regulations/easa/cs-25/subpart-b/cs-25-27"
---

# CS 25.27 Centre of gravity limits

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

IR Implementing rule

## CS 25.27 Centre of gravity limits

The extreme forward and the extreme aft centre of gravity limitations must be established for each practicably separable operating condition. No such limit may lie beyond –

(a) The extremes selected by the applicant;

(b) The extremes within which the structure is proven; or

(c) The extremes within which compliance with each applicable flight requirement is shown.

IR · CS 25.27 — CS-25 · ED Decision 2003/2/RM · CS-25 Easy Access Rules · EAR revision 26 Jan 2023

[All rules in SUBPART B – FLIGHT](https://avioverse.aero/regulations/easa/cs-25/subpart-b)

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