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ATS.OR.446 Surveillance data

SPECIFIC REQUIREMENTS FOR PROVIDERS OF AIR TRAFFIC SERVICES · Regulation (EU) 2017/373 · EAR revision 12 Mar 2025

Official sources: EASA Easy Access Rules (opens in a new tab) · EUR-Lex 2017/373 (opens in a new tab)

IRImplementing rule

ATS.OR.446Surveillance data

(a)Air traffic services providers shall not use data from Mode S interrogators that operate under the responsibility of a third country if the allocation of the interrogator code has not been coordinated.

(b)Air traffic services providers shall ensure that the necessary capabilities are implemented to allow air traffic controllers to establish individual aircraft identification using the downlinked aircraft identification feature, as detailed in Appendix 1.

(c)Air traffic service providers shall ensure seamless operations within the airspace under their responsibility and at the boundary with adjacent airspaces by applying appropriate minimum requirements for the separation of aircraft.

IR · ATS.OR.446 — Regulation (EU) 2017/373 · Regulation (EU) 2023/1771 · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

All rules in SUBPART A — ADDITIONAL ORGANISATION REQUIREMENTS FOR PROVIDERS OF AIR TRAFFIC SERVICES (ATS.OR)

Consolidated from the EASA Easy Access Rules (revision 12 Mar 2025, extracted 2 Nov 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.

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