Whisper Aero

Whisper Aero believes its ultraquiet propulsion system could enable sustainable regional flights.

The Whisper Aero Flight Test Center will be an 8,000-square-foot hangar located at Crossville Memorial Airport (KCSV), right next door to the company’s headquarters in Crossville, Tennessee.

Whisper Aero has lifted the curtains on a new aircraft concept known as the Whisper Jet, which utilizes a next-generation, ultraquiet propulsion system that the Tennessee-based start-up has been developing in secrecy for the past two years.

Whisper Aero, a Tennessee start-up, spent the last two years developing a propulsion system that it says is quieter and more efficient than any other. Now it has finally revealed part of its secret: electric ducted fans.

Whisper Aero, a Tennessee-based tech start-up developing what it claims will be the quietest electric propulsion system on the market, is getting ready to finally offer the public a taste of its secret sauce.

The Tennessee-based start-up has raised $7.5 million from venture capitalists and aims to bring the first of its electric thruster propulsion units to market by 2023.