---
title: "ATSEP.OR.305 Assessment of initial and ongoing competence — REQUIREMENTS FOR SERVICE PROVIDERS CONCERNING PERSONNEL TRAINING AND COMPETENCE ASSESSMENT, ATM/ANS · Avioverse"
description: "A service provider employing ATSEP shall: establish, implement and document processes for:"
url: "https://avioverse.aero/regulations/easa/atm-ans/requirements-for-service-providers-concerning/subpart-a/atsep-or-305"
---

# ATSEP.OR.305 Assessment of initial and ongoing competence

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

IR Implementing rule

## ATSEP.OR.305 Assessment of initial and ongoing competence

A service provider employing ATSEP shall:

(a) establish, implement and document processes for:

(1) assessing the initial and ongoing competence of ATSEP;

(2) addressing a failure or degradation of ATSEP competence, including an appeal process;

(3) ensuring the supervision of personnel who have not been assessed as competent;

(b) define the following criteria against which initial and ongoing competence shall be assessed:

(1) technical skills;

(2) behavioural skills;

(3) knowledge.

IR · ATSEP.OR.305 — Regulation (EU) 2017/373 · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

GM Guidance material

## GM1 ATSEP.OR.305(a)(1) Assessment of initial and ongoing competence

INITIAL COMPETENCE ASSESSMENT

If the competence assessment is done by the same person training the ATSEP learner during the S/E training phase, the service provider should have in place a process to reduce biases.

GM · GM1 ATSEP.OR.305(a)(1) — Regulation (EU) 2017/373 · ED Decision 2017/001/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

GM Guidance material

## GM1 ATSEP.OR.305(a)(3) Assessment of initial and ongoing competence

SUPERVISION OF NON-COMPETENT PERSONNEL

Supervision of personnel for lack of competence may be necessary due to a number of circumstances including but not restricted to:

(a) the ATSEP still being trained;

(b) the ATSEP undergoing remedial training due to loss of competence; and

(c) the ATSEP having lost competence due to extended absence from tasks that require competence.

GM · GM1 ATSEP.OR.305(a)(3) — Regulation (EU) 2017/373 · ED Decision 2017/001/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

GM Guidance material

## GM1 ATSEP.OR.305(b)(2) Assessment of initial and ongoing competence

BEHAVIOURAL SKILLS

Behavioural skills are non-technical skills and attitudes that ATSEP need to perform effectively. Examples of potential behavioural skills criteria related to initial and ongoing competence are:

(a) cooperation within a team;

(b) attitudes towards safety and security;

(c) flexibility;

(d) analytical thinking; and

(e) ability to communicate effectively.

GM · GM1 ATSEP.OR.305(b)(2) — 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.