JOICE, the Joint Austrian In-Flight Icing Research Venture 2020+, is the Austrian flagship R&D project in the field of aircraft icing and is publicly co-funded by the Federal Ministry of Austria for Climate Action, Environment, Energy, Mobility, Innovation and Technology (BMK) as part of the Austrian Aeronautics Programme TAKE OFF via the Austrian Research Promotion Agency (FFG). One of the most important goals of JOICE is to combine and leverage the skills and competencies of the involved organizations in the area of aircraft in-flight icing. The technical activities in JOICE comprise the following:
  • Advancement of icing wind tunnel infrastructure
  • Execution of experiments in simulated icing conditions
  • Numerical simulation – primarily with the aid of in-house codes – of icing, anti-icing and de-icing processes
  • Development of ice protection systems (IPS), e.g. hybrid systems combining thermal and mechanical sub-systems as well as icephobic/superhydrophobic coatings
  • Documentation of icing tests with the aid of high-resolution optical methods including roughness evaluations of ice surfaces
  • Development of ice detection systems
  • High precision polymer-based replicas of ice shapes; these replicas can be used for high-accuracy measurements of ice-induced aerodynamic effects in ordinary aerodynamic wind tunnels
Project Partners
Advisory Board Members
Project Budget
Months Duration

Technical Goals

  • Provision of comprehensive numerical and experimental simulation methods for the development of ice protection systems in CS-25 Appendix C, O and snow icing conditions
  • Demonstration of highly energy-efficient hybrid ice protection systems for UAV and small and medium-sized aircraft for inadvertent flight in icing conditions
  • Development and extension of a comprehensive experimental 3D validation database for numerical ice accretion tools in Appendix C, O and snow icing conditions

Strategic Goals

  • Pooling of the national stakeholder’s competencies in the area of in-flight icing
  • Increase of the international visibility of the Austrian icing community
  • Extension and deepening of the Austrian stakeholder’s competencies in aircraft icing

Work Packages

  1. Project management
  2. Development of experimental methods
  3. Improvement of numerical simulation tools and generation of validation data
  4. Ice detection and ice protection systems development, manufacturing and testing
  5. Dissemination

Further R&D innovation and Funding activities in the austrian aviation sector

Austrian Icing Strategy


Austrian Research Promotion Agency


 Austrian Aeronautics Portal