The British company Reaction Engines Limited, with 50% EU money, has been engaged in a research programme called LAPCAT, which examined a design for a hydrogen-fueled plane carrying 300 passengers called the A2, potentially capable of flying at Mach 5+ nonstop from Brussels to Sydney in 4.6 hours.
Britanska kompanija Reaction Engines Limited, s 50% finaciranja Europske unije, zaposlena je u razvojnom programu nazvanom LAPCAT, koji istražuje dizajn zrakoplova na pogon vodikom s 300 putnika nazvanog Reaction Engines A2 ili A2, sposobnog za neprekidni let od Bruxellesa do Sydneya za 4.6 sati pri brzini većoj od Mach 5.