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 ...

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 ...

With their capability to fly higher, farther, and more efficiently, jet engines have transformed air travel since their introduction. From its origins in the 1930s, the jet engine was a substantial ...