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Whisper Aero logo — Delivering cleaner, quieter, more efficient thrust across ai...

Whisper Aero

Delivering cleaner, quieter, more efficient thrust across air management and air mobility.

Founded 2020 United States Crossville, United States 86 employees Series A Total: $40.50M Space, Transportation

General Information

Company Name Whisper Aero
Founded Year 2020
Location United States Crossville, United States +2
Employees 86
Industries Space, Transportation
Funding Stage Series A
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Recorded by Bounce Watch from public sources. Every entry below carries the date we observed it, and when we have not looked recently the page says so rather than leaving silence to imply nothing happened.

Actively Hiring Sep 11, 2026

Hiring for 1 position in the last 30 days.

Tech Stack Change Aug 27, 2026

Started running email through Microsoft 365 and moved their DNS to Cloudflare DNS.

New Office Aug 27, 2026

Whisper Aero established a new testing facility in Nashville, converting a vacant 20-acre resort into their operational base.

Major Customer Win Aug 25, 2026

Whisper Aero secured a contract with the US Air Force for the Collaborative Logistics Aircraft program, a defense program.

Grant Received Aug 25, 2026

Whisper Aero has received a grant from Tennessee Tech, as mentioned in the full article.

New Partnership Aug 24, 2026

Whisper Aero is leveraging Middle Tennessee's ecosystem for electric propulsion development, partnering with organizations including the Tennessee Department of Economic and Community Development a…

+4 more signals in last 30 days

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AI Insight

Bounce Watch AI
1 day ago

Whisper Aero has achieved significant strategic momentum, securing a pivotal contract with the US Air Force and successfully completing the first piloted flight of its eQ250 electric propulsion system, validating its UltraQuiet™ technology for both defense and civil applications. These advancements, coupled with crucial regulatory approval for its propulsors and the establishment of a new testing facility in Nashville, underscore the company's rapid progress towards commercialization and scaling. The strong ecosystem partnerships in Tennessee further solidify its foundation for future growth in advanced air mobility.

Signal Types
Customer Acquisition Product Launch Regulatory Milestone Expansion Partnership Recognition Funding Hiring
Strategic Labels
Defense Market Entry Product Commercialization Strategic Partnerships
Next Move: Hiring
·
Impact: 9/10
·
Ideal For: Aerospace & Defense Tech VCs – Series A

About Whisper Aero

Whisper Aero, founded in 2020, is a promising entrant in the Space and Transportation industries, focusing on innovative propulsion technologies.

The company aims to revolutionize air mobility with its compelling slogan, "Delivering cleaner, quieter, more efficient thrust across air management and air mobility." Its technology portfolio targets improved performance for drones and jets, highlighting a forward-thinking approach to reducing noise and emissions in aerial vehicles.

Headquartered in the United States, Whisper Aero successfully secured a $33.00M Series A investment on April 18, 2023. This capital injection came from a cohort of visionary investors including Kindred Ventures, Linse Capital, Menlo Ventures, Connor Capital SB, Abstract Ventures, Karman Ventures, EVE ATLAS, AERO X VENTURES, Cosmos Ventures, and LaunchTN.

This investment underscores strong investor confidence in Whisper Aero's potential to lead in quieter and more eco-friendly aerospace advancements. Their innovative focus positions them as a significant player in the transition to more sustainable air transportation solutions.

Taxonomy: clean propulsion technology, quiet propulsion solutions, efficient air management, advanced thrust technology, drone propulsion systems, jet propulsion advancements, air mobility innovation, sustainable aviation, energy-efficient thrust, aerospace technology, future air connectivity, noise reduction in aviation

Services & Products

Development and manufacturing of UltraQuiet™ electric propulsion systems
Aviation and aerospace technology solutions
Noise reduction innovation across multiple sectors
Support for defense and commercial applications

Target Customers

Aviation companies seeking noise reduction and efficiency Defense sector requiring stealth and advanced capabilities Commercial sectors looking for affordable aerospace solutions Environmental-conscious stakeholders

Funding Rounds & Investors (2)

View All
Funding Stage Amount Investors Lead Investors Date
Series A •••••• 10
Investor Investor Investor Investor Investor Investor Investor Investor Investor
•••• •••• 		18 Apr 2023
Venture Round •••••• - 17 Aug 2021

Whisper Aero Alternatives & Competitors

Whisper Aero vs
Electra.aero
Electra.aero United States

Pioneering Direct Aviation - Air travel without airports, emissions, or noise.

Series Unknown
43 employees
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Whisper Aero vs
Mars Air Systems
Mars Air Systems United States

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Whisper Aero vs
CR Flight
CR Flight United States

eVector counter-rotational technology that increases flight time, carrying capacity, and overall per...

9 employees
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FAQ About Whisper Aero

Delivering cleaner, quieter, more efficient thrust across air management and air mobility.
Whisper Aero was founded in 2020.
Whisper Aero is headquartered in Crossville, United States.
Whisper Aero operates in the following industries: Space, Transportation.
Whisper Aero has approximately 86 employees.
Whisper Aero has completed 2 funding rounds, raising a total of $40.50M. The latest funding stage is Series A.
Whisper Aero offers: Development and manufacturing of UltraQuiet™ electric propulsion systems, Aviation and aerospace technology solutions, Noise reduction innovation across multiple sectors, Support for defense and commercial applications.
Top alternatives and competitors to Whisper Aero include Electra.aero, Mars Air Systems, CR Flight, Mothership Aeronautics, H55. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.
Whisper Aero and Electra.aero are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

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