Hydrogen powered aircraft concepts and key technologies integration and impact assessment

General conditions

1. Admissibility conditions: Proposal page limit and layout

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 available in the Submission System.

2. Eligible countries

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.

3. Other Eligibility Conditions

described in Annex B of the Work Programme General Annexes.

4. Financial and operational capacity and exclusion

described in Annex C of the Work Programme General Annexes.

• The Specific Clean Aviation Rules for submission, evaluation, selection, award and review procedures of Calls for Proposals are described in a document to be found by clicking ==> HERE

Editorial clarification: On page 15 of the document, the reference to the “Horizon Europe Work Programme 2021–2022” shall, for the purposes of this call, be understood as a reference to the CAJU Work Programme, as adopted by the Governing Board. This clarification is of a purely editorial nature and does not modify the substance of the Rules nor the applicable legal framework"

• Award criteria, scoring and thresholds are described in Annex D of the Work Programme General Annexes
• The CA JU Specific Evaluation Template for this topic is: Evaluation Form CAJU Large Scale Projects (IA Actions)
• Submission and evaluation processes are described in Annex F of the Work Programme General Annexes and the Online Manual

Indicative timeline for evaluation and grant agreement: described in Annex F of the Work Programme General Annexes

5. Legal and financial set-up of the grants

described in Annex G of the Work Programme General Annexes.

Specific conditions

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 2026),

But to allow potential applicants to already start preparing their proposal(s) from the moment of call publication, the necessary documents are also available here on the F&T Portal:

Proposal Application Form for this topic.

The templates for the financial annexes’, which are mandatory parts of the proposal, will be available here on the F&T Portal around mid-March.

Those templates concern the estimated budget for the actions per reporting period

• Work Package description (Detailed)
• Work Package effort (Detailed)
• Cost Breakdown per beneficiary
• Budget summary per applicant and work package
• In Kind Contribution

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.

Two publications of the Q&As are foreseen:

• A first Q&A document will be released on 17 February 2026.
• A second version of the Q&A document will be released 17 April 2026.

To understand how the Q&A process works see the explanation inside the release 1 document.

Guidance

HE Programme Guide

Model Grant Agreements (MGA)

HE MGA

Additional documents:

The Full Description of Topics in this Call

Clean Aviation Work Programme 2026-27

Q&A Document: First Release (17.02.2026)

Q&A Document : Second Release (17.04.2026)

Model Cooperation Agreement v 2026

Clean Aviation Strategic Research and Innovation Agenda (CA JU SRIA)

HE Main Work Programme 2026-2027 – General Introduction

HE Main Work Programme 2026-2027 – Climate, Energy and Mobility

HE Main Work Programme 2026-2027 – General Annexes

HE Programme Guide

HE Framework Programme and Rules for Participation Regulation 2021/695

HE Specific Programme Decision 2021/764

Regulation (EU) 2021/2085 establishing the Joint Undertakings (JU) under Horizon Europe (HE)

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

HE Online Manual

Funding & Tenders Portal Terms and Conditions

Funding & Tenders Portal Privacy Statement