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04 April 2025
On 04 April 2025 the Collaboration Agreement for Linked Actions model document was added topics in this call. It is made available as a supporting document. It is provided for information only, as not necessary at proposal submission stage. This model may be used by beneficiaries and participants selected under the topics of Clean Aviation calls for proposals requiring the linking of actions as part of the call and topic conditions. It can be found in the additional documents section of each topic.
28 March 2025
On 27th March 2025 the answer to question 6 in the Finance & Admin section of Release 2 of the Q&A document was updated.
20 March 2025
On 20th March 2025 the second edition of the "Questions & Answers" document was published for this call. See the additional documents section below for details.
TOPIC ID: HORIZON-JU-CLEAN-AVIATION-2025-03-SMR-02
Type of grant: Call for proposals
General information
Programme:
Call: Clean Aviation CfP 03 (HORIZON-JU-Clean-Aviation-2025-01)
Type of action: HORIZON-JU-IA HORIZON JU Innovation Actions
Type of MGA: HORIZON Action Grant Budget-Based [HORIZON-AG]
Status: Forthcoming
Deadline model: single-stage
Planned Opening Date: 27 March 2025
Deadline dates: 15 May 2025 17:00 (Brussels time)
Topic description
Expected Outcome:
Flight test demonstration of an installed Open Fan engine architecture at TRL6 to demonstrate a -20% of CO2 reduction at aircraft level and demonstration up to TRL 5 of enhanced performance technologies and advanced modelling capabilities for further efficiency and fuel burn improvements. See the topic description document published with this call for full details.
described in Annex A and Annex E of the Horizon Europe Work Programme General Annexes.
Proposal page limits and layout: described in Part B of the Application Form.
described in Annex B of the Work Programme General Annexes.
A number of non-EU/non-Associated Countries that are not automatically eligible for funding have made specific provisions for making funding available for their participants in Horizon Europe projects. See the information in the Horizon Europe Programme Guide.
described in Annex B of the Work Programme General Annexes.
described in Annex C of the Work Programme General Annexes.
described in Annex G of the Work Programme General Annexes.
Note in particular Chapter 2.4.3 "Conditions and Management of the call" in the Work Programme
The winning applicants will be required to sign a Cooperation Agreement, an agreement between the consortia of the relevant CAJU Grant Agreements that sets out a framework to foster the exchange of information and/or data among and across CAJU co-funded actions and the beneficiaries on a “need to know basis”.
The Proposal Templates will be available in the submission system when it opens (late March 2025),
But to allow potential applicants to already start preparing their proposal(s) from the moment of call publications, all the necessary documents are also available here on the F&T Portal:
Proposal Application Form for this call.
MGA (Model Grant Agreement) HE General MGA v1.0
CA JU Model Consortium Agreement:
Clean Aviation contract template for the provision of services by the European Aviation Safety Agency (EASA)
Potential applicants are advised to check this web page periodically in case there are any updates to the documents.
If there are any changes this will be mentioned in the "Topic Updates" section at the top of this page and also in the Q&A document.
The Full Description of Topics in this Call
Clean Aviation Work Programme 2024-25
Q&A Document: First Release (20.02.2025)
Clean Aviation Strategic Research and Innovation Agenda (CA JU SRIA)
HE Main Work Programme 2023–2025 – General Introduction
HE Main Work Programme 2023–2025 – Climate, Energy and Mobility
HE Main Work Programme 2023–2025 – General Annexes
HE Programme Guide
HE Framework Programme 2021/695
HE Specific Programme Decision 2021/764
EU Financial Regulation 2024/2509
Rules for Legal Entity Validation, LEAR Appointment and Financial Capacity Assessment
EU Grants AGA — Annotated Model Grant Agreement
Funding & Tenders Portal Online Manual
Funding & Tenders Portal Terms and Conditions
Funding & Tenders Portal Privacy Statement
Start submission
The submission system is planned to be opened on the date stated on the topic header.
Get support
Please read carefully all provisions below before the preparation of your application.
Mailbox for Submitting Questions: Clean Aviation Call Questions
The process for handling the questions is as follows:
We have a transparent approach for handling any questions (either administrative or technical) on the Call.
This consists of collecting questions as they come, developing the answers when appropriate, then publishing them on the Funding & Tenders Opportunities Portal of the European Commission for the benefit of all potential applicants.
Questions received up to 04 April 2025, 17:00 CET, will be answered, after analysis, in due time
Two releases of Q/As are foreseen:
All interested parties are recommended to consult periodically the Clean Aviation JU website and the call documents on Funding & Tender Opportunities Portal of the European Commission for updates to this document and any other updates to this call.
Online Manual is your guide on the procedures from proposal submission to managing your grant.
Horizon Europe Programme Guide contains the detailed guidance to the structure, budget and political priorities of Horizon Europe.
Funding & Tenders Portal FAQ – find the answers to most frequently asked questions on submission of proposals, evaluation and grant management.
Research Enquiry Service – ask questions about any aspect of European research in general and the EU Research Framework Programmes in particular.
National Contact Points (NCPs) – get guidance, practical information and assistance on participation in Horizon Europe. There are also NCPs in many non-EU and non-associated countries (‘third-countries’).
Enterprise Europe Network – contact your EEN national contact for advice to businesses with special focus on SMEs. The support includes guidance on the EU research funding.
IT Helpdesk – contact the Funding & Tenders Portal IT helpdesk for questions such as forgotten passwords, access rights and roles, technical aspects of submission of proposals, etc.
European IPR Helpdesk assists you on intellectual property issues.
CEN-CENELEC Research Helpdesk and ETSI Research Helpdesk – the European Standards Organisations advise you how to tackle standardisation in your project proposal.
The European Charter for Researchers and the Code of Conduct for their recruitment – consult the general principles and requirements specifying the roles, responsibilities and entitlements of researchers, employers and funders of researchers.
Partner Search help you find a partner organisation for your proposal.

Horizon Europe will incorporate research and innovation missions to increase the effectiveness of funding by pursuing clearly defined targets.
The Commission has engaged policy experts to develop studies, case studies and reports on how a mission-oriented policy approach will work.
Mission areas
5 mission areas have been identified, each with a dedicated mission board and assembly. The board and assembly help specify, design and implement the specific missions which will launch under Horizon Europe in 2021.
Involves the production, transformation, transportation, and distribution of energy from renewable and non-renewable sources.
Comprises laboratory facilities, equipment, and measurement activities used for scientific, technical, and analytical purposes.