The fLHYing tank team participated in the Aerospace Europe Conference 2023, which is a joint event between the 10th European Conference for Aerospace Sciences (EUCASS 2023) and the 9th Conference of the Council of European Aerospace Societies (CEAS). The conference was organized at the Swiss Tech Convention Center in Lausanne, Switzerland on 9-13 July 2023. The analysis and simulation of a cryogenic hydrogen aircraft fuel tank have been presented in the “Alternative Propulsion Systems” session.