Diesel engines are a rarity in aviation history, but they've carved out an interesting niche. While most aircraft rely on gasoline-powered piston engines or jet turbines, diesel has offered some ...

Hartzell Propellers worked with Beta Technologies to develop, test, and certify a five-bladed pusher propeller for advanced air mobility aircraft such as Beta’s Alia CX300 electric airplane and Alia ...

Even veteran fliers may not have journeyed on a propeller plane before. For some, they may be seen as something of a relic, left behind as the world embraced the great, screeching roar of the jet ...