---
title: "(SAL) 25.4 Climb: One-engine-inoperative — CS-25 · Avioverse"
description: "In a configuration corresponding to the normal all-engines-operating procedure in which VSR for this configuration does not exceed 110 % of the VSR for…"
url: "https://avioverse.aero/regulations/easa/cs-25/appendices-to-cs-25/sal-25-4-climb-one-engine-inoperative"
---

# (SAL) 25.4 Climb: One-engine-inoperative

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

IR Implementing rule

## (SAL) 25.4 Climb: One-engine-inoperative

In a configuration corresponding to the normal all-engines-operating procedure in which VSR for this configuration does not exceed 110 % of the VSR for the related all-engines-operating steep approach landing configuration, the steady gradient of climb may not be less than 2.1 % for two-engined aeroplanes, 2.4 % for three-engined aeroplanes, and 2.7 % for four-engined aeroplanes, with:

(a) The critical engine inoperative, the remaining engines at the go-around power or thrust setting;

(b) The maximum landing weight;

(c) A climb speed of VREF(SAL); and

(d) The landing gear retracted.

\[Amdt 25/13]

IR — CS-25 · ED Decision 2013/010/R · CS-25 Easy Access Rules · EAR revision 26 Jan 2023

[All rules in APPENDICES TO CS-25](https://avioverse.aero/regulations/easa/cs-25/appendices-to-cs-25)

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.