Hartzell Propeller has received an FAA STC for its new three-bladed Polaris composite propeller as an upgrade option for diesel-powered Diamond DA40 NG aircraft. The Polaris propeller replaces the ...

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 ...

Prop engines roar past the camera A propeller aircraft is seen passing by while its engines produce a clear and powerful sound during the short aviation clip. The footage focuses on the distinctive ...

Hartzell has received FAA Part 35 type certification for a new five-bladed, carbon-fiber propeller specifically designed for electric, hybrid-electric, and advanced air mobility (AAM) aircraft. This ...

General Atomics Aeronautical Systems, Inc. (GA-ASI) and Hindustan Aeronautics Limited (HAL) have jointly announced that turbo-propeller engines, which power GA-ASI’s state-of-art MQ-9B Remotely ...

The propeller — a relic from the dawn of powered flight more than a century ago — is making a comeback as an emblem of aviation’s greener future. Rotors are proliferating on futuristic air taxis and ...