The Atec Companies provide all facets of Hush House support to the U.S. Government and our FMS customers.

W e have over 50 years of experience in Hush House construction and repair. Our subsidiary Vital Link, Inc. is the USAF’s IDIQ contractor for Hush Houses and Noise Suppressor support. Together our corporate team offers comprehensive, full-scale military engine Test and Sustainment capabilities unmatched in our industry.

A hush house is an enclosed, noise-suppressed facility used for testing aircraft systems. Our services for these facilities include:

  • Design
  • Repairs
  • Refurbishment
  • Fabrication
  • Customization
  • Construction
  • Relocation
  • Acoustic Treatments
  • Foundation Inspections
  • Engineering Studies

All Atec Hush Houses and Noise Suppressors are compatible with ADAQ™, EDACS, FADAS, and PC4 data systems. Atec is uniquely qualified to maximize the performance of legacy hush houses for the test of such engines as the F135, F119, F100-229 and F110-129/132. We also offer F404/F414 testing capability in T20C ground based setups or in overhead depot settings.

Atec can provide the engineering, manufacturing and construction capabilities to deliver an efficient, quiet enclosure, and the best in installed test cell support sub-systems.

  • T-9C
  • T-9-Int
  • refurb
  • Randolph-AFB-T-12
  • P1000627
  • P1000352
  • T-4 Laughlin
  • P1000253
  • P1000233
  • McClellan-Hush-House
  • aug-tube-panel-repack1
  • T-9 Tinker
  • IMG_3796
  • IMG00283-20120920-1607

Model Number

Hush Houses/Noise Suppressors
  • A/F32A-18
  • A/F32T-4
  • A/F32T-8
  • A/F32T-9
  • A/F37T-10
  • A/F37T-11
  • A/F37T-12


National Stock Number
  • 4920-00-003-1882
  • 4920-00-005-8502
  • 4920-01-041-8635
  • 4920-01-082-1095
  • 4920-01-127-4640
  • 4920-01-070-2721
  • 4920-01-256-8681


Hush House Equipment

  • Fuel Systems
  • Air Start Systems
  • Oil Preservation Systems
  • Facility Controls & Data Acquisition
  • Thrust Stands
  • Engine Dress Gear
  • Fire Suppression Systems
  • Door Systems
  • Augmentors/Exhaust Systems
  • Panel Systems
  • Intake Systems
  • Lighting Systems
  • Heating Systems
  • Storage/Transfer Equipment

Advanced JSF T-9
Modernized T-4 for J85