---
title: "ATSEP.OR.115 Language proficiency — REQUIREMENTS FOR SERVICE PROVIDERS CONCERNING PERSONNEL TRAINING AND COMPETENCE ASSESSMENT, ATM/ANS · Avioverse"
description: "The service provider shall ensure that ATSEP are proficient in the language(s) required to perform their duties."
url: "https://avioverse.aero/regulations/easa/atm-ans/requirements-for-service-providers-concerning/subpart-a/atsep-or-115"
---

# ATSEP.OR.115 Language proficiency

REQUIREMENTS FOR SERVICE PROVIDERS CONCERNING PERSONNEL TRAINING AND COMPETENCE ASSESSMENT · Regulation (EU) 2017/373 · EAR revision 12 Mar 2025

IR Implementing rule

## ATSEP.OR.115 Language proficiency

The service provider shall ensure that ATSEP are proficient in the language(s) required to perform their duties.

IR · ATSEP.OR.115 — Regulation (EU) 2017/373 · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

AMC Acceptable means of compliance

## AMC1 ATSEP.OR.115 Language proficiency

LANGUAGE LEVEL

Service providers should determine the level of language proficiency based on the particular ATSEP duties, the safety criticality of the system ATSEP will need to work on, and taking into account the language requirements related to operating instructions, manuals, and the need to communicate across operational boundaries that require a common language.

AMC · AMC1 ATSEP.OR.115 — Regulation (EU) 2017/373 · ED Decision 2017/001/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

[All rules in SUBPART A —AIR TRAFFIC SAFETY ELECTRONICS PERSONNEL](https://avioverse.aero/regulations/easa/atm-ans/requirements-for-service-providers-concerning/subpart-a)

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.