hybrid aircraft

Russia embarks on launching the world's first helicopter hybrid
The head of the Russian Kamov Development Agency confirmed to Sputnik news agency that the company is developing the first hybrid helicopter in the world.
Giant balloon airship is about to take off
Airlander, which is more than 91 meters long, holds enough helium gas to fill 15 Olympic pools, which will be ready for use next month.
Sea-going hybrid airplanes move with air cushion
FlyShip is a type of ocean transport designed by German engineers to provide full functionality of ships, aircraft and air-cushioned vessels.