Do I have to return my reliability certificate after it expires?

Yes, if the certificate was issued to you in paper form, i.e. sent by post or collected in person.

A certificate delivered electronically, for example by e-mail or via a Data Box, does not need to be returned.

In case of any confusion or a problem, please leave us a message here

Published on: 23. 9. 2026

Site author: Technical and Aeronautical Operations Division

Leave a message:

Thank you for your interest in contacting us. We will send you the answer to the email address you provided us below. In case of questions not related to this page, please use the options in the section Contacts.

Your complaint will be dealt with by: Technical and Aeronautical Operations Division