---
title: "CNS.OR.100: SUBPART A — ADDITIONAL ORGANISATION REQUIREMENTS FOR PROVIDERS OF COMMUNICATION, NAVIGATION, OR SURVEILLANCE SERVICES (CNS.OR) (SPECIFIC REQUIREMENTS FOR PROVIDERS OF COMMUNICATION, NAVIGATION, OR SURVEILLANCE SERVICES, ATM/ANS) — rule index · Avioverse"
description: "CNS.OR.100, Regulation (EU) 2017/373. A communication, navigation or surveillance services provider shall ensure the availability, continuity, accuracy…"
url: "https://avioverse.aero/regulations/easa/atm-ans/part-cns/subpart-a"
---

# SUBPART A — ADDITIONAL ORGANISATION REQUIREMENTS FOR PROVIDERS OF COMMUNICATION, NAVIGATION, OR SURVEILLANCE SERVICES (CNS.OR)

SPECIFIC REQUIREMENTS FOR PROVIDERS OF COMMUNICATION, NAVIGATION, OR SURVEILLANCE SERVICES · Air Traffic Management / Air Navigation Services · Regulation (EU) 2017/373 · CNS.OR.100

1. ## [CNS.OR.100 Technical and operational competence and capability](https://avioverse.aero/regulations/easa/atm-ans/part-cns/subpart-a/cns-or-100)

   A communication, navigation or surveillance services provider shall ensure the availability, continuity, accuracy and integrity of their services.

   [AMC1 CNS.OR.100 Technical and operational competence and capability](https://avioverse.aero/regulations/easa/atm-ans/part-cns/subpart-a/cns-or-100#amc1-cns-or-100)

   [GM1 CNS.OR.100(a) Technical and operational competence and capability](https://avioverse.aero/regulations/easa/atm-ans/part-cns/subpart-a/cns-or-100#gm1-cns-or-100-a)

   [AMC1 CNS.OR.100(b) Technical and operational competence and capability](https://avioverse.aero/regulations/easa/atm-ans/part-cns/subpart-a/cns-or-100#amc1-cns-or-100-b)

Consolidated from the EASA Easy Access Rules (revision 12 Mar 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.

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