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Whisper Aero

Ultra-Quiet Electric Propulsion for Aircraft

Engines & Propulsion HQ: Crossville, TN

About Whisper Aero

Whisper Aero designs, builds and tests ultra-quiet electric propulsion systems for aircraft, unmanned aerial vehicles and defense applications. Its Tennessee operations include a Crossville flight-test center and domestic electric-propulsor production development.

Manufacturing & Service Locations

Crossville, Tennessee

Crossville Flight Test Center · Engineering / Test

Propulsion SystemsEngineering & Design

Capabilities

Markets Served

UAV / UASDefense & Military

Certifications

ISO 9001AS9100

Certification information may be supplier-provided unless otherwise noted.

About This Profile

This company profile is researched and maintained by Aerospace Grade using authoritative public sources.

Last Reviewed: October 23, 2026

Source · Compiled from public sources

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