Spoiler
Hybrid Air Vehicles Airlander 10
The Hybrid Air Vehicles Airlander 10, originally developed as the HAV 304, is a hybrid airship designed and built by British manufacturer Hybrid Air Vehicles (HAV). Comprising a helium airship with auxiliary wing and tail surfaces, it flies using both aerostatic and aerodynamic lift and is powered by four diesel engine-driven ducted propellers.
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Does anybody here know about the resource efficiency of travel by airship per person and kilometre, especially in comparison to airplanes?
