Constant advancements in aerospace technologies are redefining the limits of acoustic testing. From ultra-quiet electric propulsion and lightweight composite airframes to high-intensity propulsion systems and new regulations around noise pollution and communication safety, engineers face a growing demand for more precise, reliable, and application-specific acoustic data.
GRAS Sound & Vibration delivers proven and customizable microphone solutions for high-demand aerospace applications—from wind tunnels and engine test to sonic boom and pilot communication systems—helping engineers achieve consistent, high-fidelity acoustic measurements in the most complex environments.
Looking for testing solutions for eVTOL and advanced air mobility? Explore more here
Precision Acoustic Testing for Aerospace Innovation
Aerospace Brochure
Acoustic Sensors for Aerospace & Defence
Aerospace testing demands precision, durability, and complete confidence in your data.
In this brochure, you will find:
- Acoustic solutions for wind tunnel, engine, and flyover testing
- Products for sonic boom capture and headset validation
- Sensor options for extreme temperatures, pressures, and mounting needs
- Field-proven designs for today´s toughest acoustic challenges
On-demand Webinar
Innovations in Measurement Microphones for Aerospace
Aerospace testing environments often demand more than standard solutions. In this expert-led session, Business Development Manager Lars Winberg explores how microphone customization can unlock better data, even in the most unconventional test setups.
What you will learn:
- How to choose microphones for wind tunnel, engine tests, and model testing.
- When non-standard solutions outperform standard mics
- How to improve accuracy and simplify complex test setups
- Key trade-offs in mic size, mounting, calibration, and performance
Whitepaper: Turbulence and Measuring in Boundary Layers
Wind Tunnel Testing: Acoustic Accuracy for Aerodynamic Validation
As aerospace desigs grow more complex—and quieter— accurately capturing aerodynamic noise in wind tunnels has never been more critical. From boundary layer turbulence to landing gear and flap noise, engineers rely on precise acoustic data to refine performance, meet noise regulations, and validate CFD models.
To support this, GRAS offers proven measurement solutions developed specifically for wind tunnel environments—helping you capture the data you need, when conditions are more demanding.
Learn how to reduce uncertainty and improve data quality in boundary layer noise testing.
Case Study
Advancing Headset Communication in High-Noise Environments
Developing communication headsets that deliver clear audio and effective hearing protection in extreme acoustic conditions is a complex challenge—especially when integrated into advanced helmet systems used in aerospace operations.
In collaboration with BAE Systems, Terma set out to improve audio performance in next-generation helmets. By using the GRAS 45CB acoustic test fixture, they were able to perform MIRE-like insertion loss testing under realistic conditions—enabling faster development cycles and more accurate validation of headset performance.
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