https://www.bbc.com/news/uk-scotland-48013519
New aircraft rises 'like a balloon'
She looks a little like an airship, except airships don't have wings.
"It's a proper aeroplane," says the UHI's Professor Andrew Rae.
As the project's chief engineer, he has overseen the integration of Phoenix's systems.
"It flies under its own propulsion although it has no engines," he says
https://www.youtube.com/watch?v=ih4zwp-0GeQ