When an aircraft is operating without a flight plan, what determines the radiotelephony call sign for a Mode S- or ADS-B-equipped aircraft?

The radiotelephony call sign should correspond to the aircraft identification transmitted by the Mode S transponder or ADS-B transmitter.

Under what condition may an aircraft deviate from using a radiotelephony call sign that matches its flight plan aircraft identification?

When the air traffic controller instructs otherwise in accordance with point (a) of point SERA.14055.

For a Mode S- or ADS-B-equipped aircraft with a flight plan, what is the required relationship between the radiotelephony call sign and the flight plan?

The radiotelephony call sign should correspond to the aircraft identification specified in the flight plan.

AMC1 SERA.14050 Radiotelephony call signs for aircraft

Q: What should a Mode S- or ADS-B-equipped aircraft use as its radiotelephony call sign unless the air traffic controller instructs otherwise?

It should use a radiotelephony call sign corresponding to the aircraft identification specified in the 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.

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AMC1 SERA.14050 Radiotelephony call signs for aircraft

ED Decision 2024/007/R

AIRCRAFT RADIOTELEPHONY CALL SIGN SETTING

Unless otherwise instructed by the 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 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.

Details

Source-Title: AMC1 SERA.14050 Radiotelephony call signs for aircraft View latest amendments

Erulesid: ERULES-1963177438-23297 Compare versions

Domain: Air operations, Air traffic management/Air navigation services, Standardised European Rules of the Air (SERA)

Activitytype: Air navigation services (ANS), Air operations, Air traffic control services (ATC), Air traffic flow management (ATFM), Air traffic management (ATM), Air traffic services (ATS), Aircraft operations, Flight information services (FIS)

Applicabilitydate: 1 May, 2025

Entryintoforcedate: 6 September, 2024

Regulatedentity: Flight crew, Air traffic controller, Network manager (NM)

Regulatorysource: ED Decision 2024/007/R Navigate

Regulatorysubject: Annex-Section 14: Voice communications procedures

Typeofcontent: AMC to IR (Acceptable means of compliance to implementing rule)

Parentir: SERA.14050 Radiotelephony call signs for aircraft

Origin: EASA

Category: EAR