Lighter than air flying machines predate the invention of the airplane, and open so the 1930s, were the only practical way to carry passengers are significant payloads over transatlantic distances. The combination of the 1936 Hindenburg disaster and the development of longer-range fixed wing aircraft ended the age of the rigid airship, but a new hybrid type aircraft that combines features of airships and fixed wing aircraft shows promise for heavy lift, long-duration and low carbon flight. Bradford, UK-based Hybrid Air Vehicles has developed a production ready aircraft and as recently establish a basis for certification with European aviation authorities, a critical step toward type certification. The company expects their Airlander 10 vehicle to be service ready by 2025.Access all episodes of This Week in Engineering on engineering.com TV along with all of our other series.