Whisper Aero

Whisper Aero is an electric propulsion company. It builds quiet electric engines for aircraft, drones and defense uses. The company grew out of a research effort in Crossville, Tennessee, which the site says began in 2020.

The company's products are UltraQuiet electric propulsion engines. The site says they convert electricity into thrust. It lists 20 percent higher efficiency, 20 decibels less noise, scalable thrust from 5 to 500 pounds, and speeds from 40 to 400 knots. The site also mentions uses beyond aircraft, such as leaf blowers.

The site says the engines suit drones, attritable assets, fixed-wing aircraft and troop transports. It says the company's low cost manufacturing methods are aimed at commercial sectors where affordability matters. The company says its engines are built in Tennessee.

The site describes the company's history. Early ground tests led to flight tests at Rockwood Airport. A Nashville office was opened to connect with the state's tech community. The State of Tennessee funded an 8,000 square foot flight test center in Crossville.

The site names co-founder and chief executive Mark Moore, who worked for more than 30 years at NASA. It says he led distributed electric propulsion projects and co-founded Uber Elevate. Co-founder Ian Villa is chief operating officer. Devon Jedamski is chief engineer. The site lists past work at NASA, Lockheed Martin, Boeing, Northrop Grumman, Joby Aviation and Rolls Royce.

The site has pages for careers, news, aviation, defense and commercial applications. It lists LinkedIn and X accounts. The company's CAGE code is shown on the site. The site also has a policy for unsolicited ideas.