IFATSEA Definition of ATSEP Revised 2017

Air Traffic Safety Electronics Personnel (ATSEP) means;

Any authorized personnel who are competent to operate, maintain, release from and return into operation functions of ATM/CNS functional system that includes hardware, software, procedures and human resources.

Key words;
1. Authorized
2. Competent
3. Operate 
4. Maintain
5. Release from and return into operation
6. Functional system
7. Hardware, software, procedures and human resources