---
title: "CS-E 710 Rotor Locking Tests — CS-E · Avioverse"
description: "(See AMC E 710) If continued rotation is prevented by a means to lock the rotor(s), the Engine must be subjected to a test that includes 25 locking and…"
url: "https://avioverse.aero/regulations/easa/cs-e/subpart-e/cs-e-710-rotor-locking-tests"
---

# CS-E 710 Rotor Locking Tests

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

IR Implementing rule

## CS-E 710 Rotor Locking Tests

(See AMC E 710)

If continued rotation is prevented by a means to lock the rotor(s), the Engine must be subjected to a test that includes 25 locking and unlocking operations of this means under the following conditions: the Engine must be shut down from rated Maximum Continuous thrust/power; the means for stopping and locking the rotor(s) must be operated as specified in the Engine operating instructions while being subjected to the maximum torque that could result from continued flight in this condition; and following rotor locking, the rotor(s) must be held stationary under these conditions for five minutes for each of the 25 operations.

\[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 E – TURBINE ENGINES: TYPE SUBSTANTIATION](https://avioverse.aero/regulations/easa/cs-e/subpart-e)

Consolidated from the EASA Easy Access Rules (revision 7 Dec 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.