Variable-buoyancy propulsion Latest UK team trials first large-scale aircraft powered by variable-buoyancy propulsion News UK team trials first large-scale aircraft powered by variable-buoyancy propulsion Innovation: Technology April 23, 2019 Subscribe Please enable JavaScript in your browser to complete this form.Please enable JavaScript in your browser to complete this form.First name *Last name *Email address *Interests *InterestsAir TransportAviation ServicesBusiness and General AviationDefenceEvent WrapsFuture WorkforceIn the SpotlightInnovation and TechnologyLeadershipManufacturingRegulationRotorcraftSpaceSustainabilityUnmannedUrban Air Mobility *I agree to Aerospace Global News' Privacy PolicySubscribe