---
title: "SERA.15005 Establishment of CPDLC — ANNEX: Rules of the Air, SERA · Avioverse"
description: "CPDLC shall be established in sufficient time in advance to ensure that the aircraft communicates with the appropriate air traffic control unit."
url: "https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-15/sera-15005"
---

# SERA.15005 Establishment of CPDLC

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

IR Implementing rule

## SERA.15005 Establishment of CPDLC

(a) CPDLC shall be established in sufficient time in advance to ensure that the [aircraft](https://avioverse.aero/glossary/easa/aircraft) communicates with the appropriate [air traffic control unit](https://avioverse.aero/glossary/easa/air-traffic-control-unit).

(b) Information concerning when and, if applicable, where the air or ground systems should establish CPDLC shall be published in aeronautical information circulars or publications.

(c) The pilot shall be able to identify the air traffic control unit that provides the [air traffic control service](https://avioverse.aero/glossary/easa/air-traffic-control-service) at any time while the service is being provided.

IR · SERA.15005 — 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.