---
title: "SERA.15040 Discontinuation of the use of CPDLC requests — ANNEX: Rules of the Air, SERA · Avioverse"
description: "When a controller requires all stations or a specific flight to avoid sending CPDLC requests for a limited period of time, the following phrase shall be…"
url: "https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-15/sera-15040"
---

# SERA.15040 Discontinuation of the use of CPDLC requests

ANNEX: Rules of the Air · Regulation (EU) No 923/2012 · EAR revision 26 Aug 2025

IR Implementing rule

## SERA.15040 Discontinuation of the use of CPDLC requests

(a) When a controller requires all stations or a specific flight to avoid sending CPDLC requests for a limited period of time, the following phrase shall be used: ((call sign) or ALL STATIONS) STOP SENDING CPDLC REQUESTS \[UNTIL ADVISED] \[(reason)].

(b) The resumption of the normal use of CPDLC shall be advised by using the following phrase: ((call sign) or ALL STATIONS) RESUME NORMAL CPDLC OPERATIONS.

IR · SERA.15040 — Regulation (EU) No 923/2012 · Regulation (EU) 2023/1772 · SERA Easy Access Rules · EAR revision 26 Aug 2025

[All rules in SECTION 15 Controller-pilot data link communication (CPDLC) procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-15)

Consolidated from the EASA Easy Access Rules (revision 26 Aug 2025, 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.