---
title: "SERA.14050 Radiotelephony call signs for aircraft — ANNEX: Rules of the Air, SERA · Avioverse"
description: "Full call signs: An aircraft radiotelephony call sign shall be one of the following types:"
url: "https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14050"
---

# SERA.14050 Radiotelephony call signs for aircraft

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

IR Implementing rule

## SERA.14050 Radiotelephony call signs for aircraft

(a) Full call signs:

An [aircraft](https://avioverse.aero/glossary/easa/aircraft) [radiotelephony](https://avioverse.aero/glossary/easa/radiotelephony) call sign shall be one of the following types:

(1) Type (a) — the characters corresponding to the registration marking of the aircraft; or

(2) Type (b) — the telephony designator of the aircraft operator, followed by the last four characters of the registration marking of the aircraft;

(3) Type (c) — the telephony designator of the aircraft operator, followed by the flight identification.

(b) Abbreviated call signs:

The aircraft radiotelephony call signs shown in point (a), with the exception of Type (c), may be abbreviated under the circumstances prescribed in point SERA.14055(c). Abbreviated call signs shall be in the following form:

(1) Type (a) — the first character of the registration and at least the last two characters of the call sign;

(2) Type (b) — the telephony designator of the aircraft operator, followed by at least the last two characters of the call sign;

(3) Type (c) — no abbreviated form.

IR · SERA.14050 — Regulation (EU) No 923/2012 · Regulation (EU) 2016/1185 · SERA Easy Access Rules · EAR revision 26 Aug 2025

AMC Acceptable means of compliance

## AMC1 SERA.14050 Radiotelephony call signs for aircraft

[AIRCRAFT](https://avioverse.aero/glossary/easa/aircraft) [RADIOTELEPHONY](https://avioverse.aero/glossary/easa/radiotelephony) CALL SIGN SETTING

Unless otherwise instructed by the [air traffic](https://avioverse.aero/glossary/easa/air-traffic) controller in accordance with point (a) of point SERA.14055, the Mode S- or ADS-B-equipped aircraft should use a radiotelephony call sign corresponding to the aircraft identification specified in the [flight plan](https://avioverse.aero/glossary/easa/flight-plan) or, when operating without a flight plan, a radiotelephony call sign corresponding to the aircraft identification transmitted by the Mode S transponder or ADS-B transmitter.

AMC · AMC1 SERA.14050 — Regulation (EU) No 923/2012 · ED Decision 2024/007/R · SERA Easy Access Rules · EAR revision 26 Aug 2025

GM Guidance material

## GM1 SERA.14050 Radiotelephony call signs for aircraft

PREFIX TO CALL SIGNS

The name of the [aircraft](https://avioverse.aero/glossary/easa/aircraft) manufacturer or of the aircraft model may be used as a [radiotelephony](https://avioverse.aero/glossary/easa/radiotelephony) prefix to the Type (a) call sign.

GM · GM1 SERA.14050 — Regulation (EU) No 923/2012 · ED Decision 2016/023/R · SERA Easy Access Rules · EAR revision 26 Aug 2025

GM Guidance material

## GM2 SERA.14050 Radiotelephony call signs for aircraft

EXAMPLES OF FULL AND ABBREVIATED CALL SIGNS

|                       | Type a)     |                         |                             | Type b)               | Type c)               |
| --------------------- | ----------- | ----------------------- | --------------------------- | --------------------- | --------------------- |
| Full call sign        | N57826      | \*CESSNA FABCD          | \*CITATION FABCD            | VARIG PVMA            | SCANDINAVIAN 937      |
| Abbreviated call sign | N26 or N826 | CESSNA CD or CESSNA BCD | CITATION CD or CITATION BCD | VARIG MA or VARIG VMA | (no abbreviated form) |

\*The examples illustrate the application of GM1 SERA.14050.

GM · GM2 SERA.14050 — Regulation (EU) No 923/2012 · ED Decision 2016/023/R · SERA Easy Access Rules · EAR revision 26 Aug 2025

[All rules in SECTION 14 Voice communication procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14)

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.