--- title: "Appendix 1 — REQUIREMENTS FOR AIRSPACE STRUCTURES AND FLIGHT PROCEDURES CONTAINED THEREIN — SPECIFIC REQUIREMENTS FOR PROVIDERS OF FLIGHT PROCEDURE DESIGN SERVICES, ATM/ANS — rule index · Avioverse" description: "Appendix 1 — REQUIREMENTS FOR AIRSPACE STRUCTURES AND FLIGHT PROCEDURES CONTAINED THEREIN (24 paragraphs), Regulation (EU) 2017/373. FLIGHT INFORMATION…" url: "https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1" --- # Appendix 1 — REQUIREMENTS FOR AIRSPACE STRUCTURES AND FLIGHT PROCEDURES CONTAINED THEREIN SPECIFIC REQUIREMENTS FOR PROVIDERS OF FLIGHT PROCEDURE DESIGN SERVICES · Air Traffic Management / Air Navigation Services · Regulation (EU) 2017/373 1. ## [Specifications for flight information regions, control areas, control zones and flight information zones](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/specifications-for-flight-information-regions-control-areas-control-zones-and) FLIGHT INFORMATION REGIONS Flight information regions as defined in point 23 of Article 2 to Regulation (EC) No 549/2004 shall: 2. ## [AMC1 SECTION I — (a) FLIGHT INFORMATION REGIONS](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/amc1-section-i-a-flight-information-regions) LIMITED BY AN UPPER FLIGHT INFORMATION REGION When limited by an upper flight information region, the lower limit specified for the upper flight… 3. ## [AMC1 SECTION I — (b) CONTROL AREAS](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/amc1-section-i-b-control-areas) UPPER LIMITS When established, the upper limits of a control area should coincide with a VFR cruising level of the tables in Appendix 3 to Commission… 4. ## [GM1 SECTION I — (b) CONTROL AREAS](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/gm1-section-i-b-control-areas) GENERAL (a) When the lower limit of a control area is above 900 m (3 000 ft) mean sea level (MSL), it should coincide with a VFR cruising level as… 5. ## [AMC1 SECTION I — (c) CONTROL ZONES](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/amc1-section-i-c-control-zones) HORIZONTAL LIMITS The horizontal limits of a control zone should extend to at least 9.3 km (5 NM) from the centre of the aerodrome or aerodromes… 6. ## [GM1 SECTION I — (c) CONTROL ZONES](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/gm1-section-i-c-control-zones) GENERAL (a) If a control zone is located outside of the horizontal limits of a control area, an upper limit should be established. 7. ## [Identification of ATS routes other than standard departure and arrival routes](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/identification-of-ats-routes-other-than-standard-departure-and-arrival-routes) When ATS routes are established, a protected airspace along each ATS route and a safe spacing between adjacent ATS routes shall be provided. 8. ## [AMC1 SECTION II](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/amc1-section-ii) GENERAL Controlled, advisory and uncontrolled ATS routes, with the exception of standard arrival and departure routes should be identified as follows: 9. ## [GM1 SECTION II](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/gm1-section-ii) GENERAL (a) Guidance material on the establishment of ATS routes and procedures is contained in ICAO Doc 9426 ‘Air Traffic Services Planning Manual’. 10. ## [Identification of standard departure and standard arrival routes and associated procedures](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/identification-of-standard-departure-and-standard-arrival-routes-and-associated) When identifying standard departure and standard arrival routes and associated procedures, it shall be ensured that: 11. ## [AMC1 SECTION III — (a)(1)](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/amc1-section-iii-a-1) SYSTEM OF DESIGNATORS The system of designators should: make a clear distinction between: 12. ## [GM1 to AMC1 SECTION III — (a)(1)](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/gm1-to-amc1-section-iii-a-1) SYSTEM OF DESIGNATORS The term ‘route’ is used in the meaning of ‘route and associated procedures’. 13. ## [AMC1 SECTION III — (a)(2)](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/amc1-section-iii-a-2) PLAIN LANGUAGE DESIGNATOR A plain language designator of a standard departure or arrival route should consist of: 14. ## [AMC1 SECTION III — (b)(2)](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/amc1-section-iii-b-2) BASIC INDICATOR The basic indicator should be considered the name or name-code of the significant point where a standard departure route terminates or a… 15. ## [AMC1 SECTION III — (b)(5)](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/amc1-section-iii-b-5) CODED DESIGNATOR The coded designator of a standard departure or standard arrival route, instrument or visual, should consist of: 16. ## [GM1 SECTION III](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/gm1-section-iii) GENERAL (a) Guidance material relating to the establishment of standard departure and arrival routes and associated procedures is contained in ICAO Doc… 17. ## [Establishment and identification of significant points](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/establishment-and-identification-of-significant-points) Significant points shall be established for the purpose of defining an ATS route or flight procedure and/or in relation to the ATS requirements for… 18. ## [AMC1 SECTION IV](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/amc1-section-iv) GENERAL (a) The significant points should, whenever possible, be established with reference to ground-based or space-based radio navigation aids. 19. ## [GM1 SECTION IV](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/gm1-section-iv) GENERAL (a) When two radio navigation aids operating in different bands of the frequency spectrum are situated at the same location, their radio… 20. ## [Minimum flight altitudes](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/minimum-flight-altitudes) Minimum flight altitudes shall be determined for each ATS route and control area and shall be provided for promulgation. 21. ## [GM1 SECTION V](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/gm1-section-v) GENERAL (a) An altitude determined and published for each segment of the route provides the required minimum obstacle clearance (MOC) above obstacles… 22. ## [Identification and delineation of prohibited, restricted and danger areas](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/identification-and-delineation-of-prohibited-restricted-and-danger-areas) When prohibited areas, restricted areas or danger areas are established, upon initial establishment, they shall be given an identification, and full… 23. ## [AMC1 SECTION VI](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/amc1-section-vi) IDENTIFICATION OF PROHIBITED, RESTRICTED AND DANGER AREAS (a) The identification should be used to identify the area in all subsequent notifications… 24. ## [GM1 SECTION VI](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/appendix-1/gm1-section-vi) PROHIBITED, RESTRICTED AND DANGER AREAS (a) When a prohibited, restricted or danger area is established, the area should be as small as practicable and… Consolidated from the EASA Easy Access Rules (revision 12 Mar 2025, extracted 2 Nov 2026) for convenience. 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