If you missed the video conference on Monday organised commonly by FCH JU and CleanSky just give the study a read (ready for download here: https://www.fch.europa.eu/news/new-study-hydrogen-powered-aviation-preparing-take )
Similar findings, also with clear indications for LH2 use cases, you might find in a Roland Berger study here: https://www.rolandberger.com/en/Publications/Hydrogen-A-future-fuel-of-aviation.html