--- title: "SERA.14001 – SERA.14100: SECTION 14 Voice communication procedures (ANNEX: Rules of the Air, SERA) — rule index · Avioverse" description: "SERA.14001 – SERA.14100, Regulation (EU) No 923/2012. Standardised phraseology shall be used in all situations for which it has been specified." url: "https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14" --- # SECTION 14 Voice communication procedures ANNEX: Rules of the Air · Standardised European Rules of the Air (SERA) · Regulation (EU) No 923/2012 · SERA.14001 – SERA.14100 On this page 1. ## [SERA.14001 General](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14001) Standardised phraseology shall be used in all situations for which it has been specified. [AMC1 SERA.14001 General](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14001#amc1-sera-14001) [GM1 SERA.14001 General](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14001#gm1-sera-14001) [GM2 SERA.14001 General](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14001#gm2-sera-14001) 2. ## [Appendix 1 to AMC1 SERA.14001 General](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/appendix-1-to-amc1-sera-14001) ATS PHRASEOLOGIES 1.1 General Section Circumstances Phraseologies Applicable to ATC FIS 1.1.1 Description of levels (subsequently referred to as… 3. ## [GM1 Appendix 1 to AMC1 SERA.14001 General](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/gm1-appendix-1-to-amc1-sera-14001-general) The phraseology in AMC1 SERA.14001 does not include phrases and regular radiotelephony procedure words contained in SERA Section 14. 4. ## [GM2 Appendix 1 to AMC1 SERA.14001 General](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/gm2-appendix-1-to-amc1-sera-14001-general) The phraseologies listed in Appendix 1 to AMC1 SERA.14001 are organised per phases of flight or per use of specific communication, navigation and… 5. ## [SERA.14005 Categories of messages](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14005) The categories of messages handled by the aeronautical mobile service, and the order of priority in the establishment of communications and the… 6. ## [SERA.14010 Flight safety messages](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14010) Flight safety messages shall comprise the following: movement and control messages; 7. ## [SERA.14015 Language to be used in air-ground communication](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14015) The air-ground radiotelephony communications shall be conducted in the English language or in the language normally used by the station on the ground. [AMC1 SERA.14015 Language to be used in air-ground communication](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14015#amc1-sera-14015) [GM1 SERA.14015 Language to be used in air-ground communication](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14015#gm1-sera-14015) [GM2 SERA.14015 Language to be used in air-ground communication](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14015#gm2-sera-14015) 8. ## [SERA.14020 Word spelling in radiotelephony](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14020) When proper names, service abbreviations and words of which the spelling is doubtful are spelled out in radiotelephony, the alphabet in the Table S14-2… 9. ## [SERA.14025 Principles governing the identification of ATS routes other than standard departure and arrival routes](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14025) Use of ATS route designators in communications (1) In voice communications, the basic letter of a designator shall be spoken in accordance with the… [AMC1 SERA.14025 Principles governing the identification of ATS routes other than standard departure and arrival routes](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14025#amc1-sera-14025) 10. ## [SERA.14026 Significant points](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14026) Normally the plain language name for significant points marked by the site of a radio navigation aid, or the unique five-letter pronounceable ‘name-code’… 11. ## [SERA.14030 Use of designators for standard instrument departure and arrival routes](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14030) The plain language designator for standard instrument departure or arrival routes shall be used in voice communications. [GM1 SERA.14030 Use of designators for standard instrument departure and arrival routes](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14030#gm1-sera-14030) 12. ## [SERA.14035 Transmission of numbers in radiotelephony](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14035) Transmission of numbers (1) All numbers used in the transmission of aircraft call sign, headings, wind direction and speed, and runway shall be… [GM1 SERA.14035(a)(1) Transmission of numbers in radiotelephony](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14035#gm1-sera-14035-a-1) [GM2 SERA.14035(a)(1)(i) Transmission of numbers in radiotelephony](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14035#gm2-sera-14035-a-1-i) [GM3 SERA.14035(a)(1)(ii) Transmission of numbers in radiotelephony](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14035#gm3-sera-14035-a-1-ii) [GM4 SERA.14035(a)(1)(iii) Transmission of numbers in radiotelephony](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14035#gm4-sera-14035-a-1-iii) [GM5 SERA.14035(a)(2) Transmission of numbers in radiotelephony](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14035#gm5-sera-14035-a-2) [GM1 SERA.14035(a)(2) Transmission of numbers in radiotelephony](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14035#gm1-sera-14035-a-2) [GM2 SERA.14035(a)(2) Transmission of numbers in radiotelephony](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14035#gm2-sera-14035-a-2) [GM3 SERA.14035(a)(2) Transmission of numbers in radiotelephony](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14035#gm3-sera-14035-a-2) [GM4 SERA.14035(a)(2) Transmission of numbers in radiotelephony](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14035#gm4-sera-14035-a-2) [GM5 SERA.14035(a)(5) Transmission of numbers in radiotelephony](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14035#gm5-sera-14035-a-5) [GM1 SERA.14035(a)(6) Transmission of numbers in radiotelephony](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14035#gm1-sera-14035-a-6) 13. ## [SERA.14040 Pronunciation of numbers](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14040) When the language used for communication is English, numbers shall be transmitted using the pronunciation shown in Table S14-3: 14. ## [SERA.14045 Transmitting technique](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14045) Transmissions shall be conducted concisely in a normal conversational tone. [GM1 SERA.14045 Transmitting technique](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14045#gm1-sera-14045) [GM2 SERA.14045 Transmitting technique](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14045#gm2-sera-14045) [GM3 SERA.14045 Transmitting technique](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14045#gm3-sera-14045) [GM4 SERA.14045 Transmitting technique](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14045#gm4-sera-14045) [GM5 SERA.14045 Transmitting technique](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14045#gm5-sera-14045) [GM6 SERA.14045 Transmitting technique](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14045#gm6-sera-14045) [GM7 SERA.14045 Transmitting technique](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14045#gm7-sera-14045) [GM8 SERA.14045 Transmitting technique](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14045#gm8-sera-14045) 15. ## [SERA.14050 Radiotelephony call signs for aircraft](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14050) Full call signs: An aircraft radiotelephony call sign shall be one of the following types: [AMC1 SERA.14050 Radiotelephony call signs for aircraft](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14050#amc1-sera-14050) [GM1 SERA.14050 Radiotelephony call signs for aircraft](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14050#gm1-sera-14050) [GM2 SERA.14050 Radiotelephony call signs for aircraft](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14050#gm2-sera-14050) 16. ## [SERA.14055 Radiotelephony procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14055) An aircraft shall not change the type of its radiotelephony call sign during flight, except temporarily on the instruction of an ATC unit in the… [GM1 SERA.14055(b) Radiotelephony procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14055#gm1-sera-14055-b) [AMC1 SERA.14055(b)(2) Radiotelephony procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14055#amc1-sera-14055-b-2) 17. ## [SERA.14060 Transfer of VHF communications](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14060) An aircraft shall be advised by the appropriate ATS unit to transfer from one radio frequency to another in accordance with agreed procedures. 18. ## [SERA.14065 Radiotelephony procedures for air-ground voice communication channel changeover](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14065) Unless otherwise prescribed by the ANSP responsible for the provision of services and approved by the competent authority, the initial call to an air… 19. ## [SERA.14070 Test procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14070) The form of test transmissions shall be as follows: the identification of the station being called; 20. ## [SERA.14075 Exchange of communications](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14075) Communications shall be concise and unambiguous, using standard phraseology whenever available. [GM1 SERA.14075(c)(4) Exchange of communications](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14075#gm1-sera-14075-c-4) 21. ## [SERA.14080 Communications watch/Hours of service](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14080) During flight, aircraft shall maintain watch as required by the competent authority and shall not cease watch, except for reasons of safety, without… [AMC1 SERA.14080 Communications watch/Hours of service](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14080#amc1-sera-14080) 22. ## [SERA.14083 Radio communication failure procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14083) When an aircraft is unable to comply with SERA.8035, point (a), the flight crew shall attempt to establish contact on the previous channel used and, if… [AMC1 SERA.14083(b)(1) Radio communication failure procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14083#amc1-sera-14083-b-1) [GM1 SERA.14083(b)(1) Radio communication failure procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14083#gm1-sera-14083-b-1) [AMC1 SERA.14083(b)(3) Radio communication failure procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14083#amc1-sera-14083-b-3) [GM1 SERA.14083(c) Radio communication failure procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14083#gm1-sera-14083-c) [GM2 SERA.14083(c) Radio communication failure procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14083#gm2-sera-14083-c) [GM1 SERA.14083(c)(4)(i) (B) Radio communication failure procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14083#gm1-sera-14083-c-4-i) [AMC1 SERA.14083(d) Radio communication failure procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14083#amc1-sera-14083-d) [GM1 SERA.14083(d) Radio communication failure procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14083#gm1-sera-14083-d) [GM2 SERA.14083(d) Radio communication failure procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14083#gm2-sera-14083-d) 23. ## [SERA.14085 Use of blind transmission](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14085) When an aircraft fails to establish contact on the designated channel, on the previous channel used or on another channel appropriate to the route, and… [GM1 SERA.14085 Use of blind transmission](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14085#gm1-sera-14085) 24. ## [SERA.14087 Use of relay communication technique](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14087) \[Deleted.] 25. ## [SERA.14090 Specific communication procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14090) Movement of vehicles Phraseologies for the movement of vehicles on the manoeuvring area shall be the same as those used for the movement of aircraft… [GM1 SERA.14090(a) Specific communication procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14090#gm1-sera-14090-a) [GM1 SERA.14090(d)(4) Specific communication procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14090#gm1-sera-14090-d-4) [AMC1 SERA.14090(e) Specific communication procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14090#amc1-sera-14090-e) [AMC2 SERA.14090(e) Specific communication procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14090#amc2-sera-14090-e) 26. ## [SERA.14095 Distress and urgency radiotelephony communication procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14095) General (1) Distress and urgency traffic shall comprise all radiotelephony messages relative to the distress and urgency conditions respectively. [GM1 SERA.14095(b)(1) Distress and urgency radiotelephony communication procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14095#gm1-sera-14095-b-1) [GM1 SERA.14095(b)(2)(iii) (B) Distress and urgency radiotelephony communication procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14095#gm1-sera-14095-b-2-iii) [GM1 SERA.14095(c)(1) Distress and urgency radiotelephony communication procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14095#gm1-sera-14095-c-1) [GM1 SERA.14095(c)(1)(ii) (F) Distress and urgency radiotelephony communication procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14095#gm1-sera-14095-c-1-ii) [GM1 SERA.14095(c)(2) Distress and urgency radiotelephony communication procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14095#gm1-sera-14095-c-2) [GM1 SERA.14095(d)(3) Distress and urgency radiotelephony communication procedures](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14095#gm1-sera-14095-d-3) 27. ## [SERA.14100 Notification of suspected communicable diseases or other public health risk on board an aircraft](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14100) The flight crew of an en-route aircraft shall, upon identifying a suspected case(s) of a communicable disease, or other public health risk, on board the… [GM1 SERA.14100 Notification of suspected communicable diseases or other public health risk on board an aircraft](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14100#gm1-sera-14100) [GM2 SERA.14100 Notification of suspected communicable diseases or other public health risk on board an aircraft](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14100#gm2-sera-14100) [GM3 SERA.14100 Notification of suspected communicable diseases or other public health risk on board an aircraft](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14100#gm3-sera-14100) [GM4 SERA.14100 Notification of suspected communicable diseases or other public health risk on board an aircraft](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-14/sera-14100#gm4-sera-14100) Consolidated from the EASA Easy Access Rules (revision 26 Aug 2025, extracted 13 Oct 2026) for convenience. 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