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Announcement: Dear Users,
due to the combination of Business trips, Missions and ESA ESTEC closures, we expect delay in the approval of your registrations in the following period:
- from April 20th to April 23rd 2026,
- April 27th,
- from May 5th to May 15th.
The remaining days your application should take 1-2 working days to be approved.
Thanks for your patience,
ESA TRL Calculator Admins
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The ESA TRL calculator is an aid to assess the maturity level of a technology.
The tool covers TRL3 to TRL7 for a space instrument or a space equipment.
The TRL assessment covers aspects such as Management, Design, AIV/AIT, Product and Quality Assurance, Materials and Processes, EEE components, Dependability and Safety, Software.
Main users of the tool are Project Managers, Engineers and Product Assurance professionals.
For any feedback (return of experience, lessons learned, suggestions for improvements, bug report) please send an email to Contact_TRL_Calculator@esa.int.
To login or register as a new user, just click on the login tab in the menu bar.