---
title: "CS 25.943 Negative acceleration — CS-25 · Avioverse"
description: "No hazardous malfunction of an engine or any component or system associated with the powerplant may occur when the aeroplane is operated at the negative…"
url: "https://avioverse.aero/regulations/easa/cs-25/subpart-e/cs-25-943"
---

# CS 25.943 Negative acceleration

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

IR Implementing rule

## CS 25.943 Negative acceleration

No hazardous malfunction of an engine or any component or system associated with the powerplant may occur when the aeroplane is operated at the negative accelerations within the flight envelopes prescribed in CS 25.333. This must be shown for the greatest duration expected for the acceleration. (See also CS 25.1315.)

IR · CS 25.943 — CS-25 · ED Decision 2003/2/RM · CS-25 Easy Access Rules · EAR revision 26 Jan 2023

[All rules in SUBPART E – POWERPLANT](https://avioverse.aero/regulations/easa/cs-25/subpart-e)

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.