---
title: "CS 25.1511 Flap extended speed — CS-25 · Avioverse"
description: "The established flap extended speed VFE must be established so that it does not exceed the design flap speed VF chosen under CS 25.335(e) and 25.345, for…"
url: "https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1511"
---

# CS 25.1511 Flap extended speed

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

IR Implementing rule

## CS 25.1511 Flap extended speed

The established flap extended speed VFE must be established so that it does not exceed the design flap speed VF chosen under CS 25.335(e) and 25.345, for the corresponding wing-flap positions and engine powers.

IR · CS 25.1511 — CS-25 · ED Decision 2003/2/RM · CS-25 Easy Access Rules · EAR revision 26 Jan 2023

[All rules in SUBPART G – OPERATING LIMITATIONS AND INFORMATION](https://avioverse.aero/regulations/easa/cs-25/subpart-g)

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.