Aerospace Welding - AWI

A Hartzell Aerospace Welding Brand

Aerospace Welding Minneapolis (AWI) designs, manufactures, and repairs FAA/PMA-certified aircraft exhaust systems and welded assemblies supporting general aviation platforms. With decades of experience in exhaust and engine mount repair, AWI delivers durable, field-proven solutions built to meet the demands of daily operation.

As  part of the Aerospace Welding division of Harztell Aviation, AWI combines certified repair capabilities with precision fabrication to support both replacement and overhaul requirements across a wide range of aircraft applications.

To contact AWI please call: (651) 379-9888

Core Capabilities

Aircraft Exhaust Systems
FAA/PMA-certified exhaust systems and components supporting single-engine, twin, and turboprop aircraft. Available as complete systems or individual replacement parts.

Engine Mounts
Overhaul and new-production engine mounts for a wide range of aircraft platforms. Each mount is NDT-inspected and built for durability and structural integrity.

Specialty Structures & Fabrication
Precision fabrication of welded aircraft assemblies including airboxes, tanks, and custom components supporting both legacy and emerging platforms.

Repair & Overhaul

FAA-approved repair station capabilities supporting:

• Exhaust system repair and overhaul
• Engine mount repair
• Cabin heat shrouds and turbo mounts
• Structural weld repair and reinforcement

Applications

General Aviation | Experimental | Special Mission

Certifications

• FAA Certified Repair Station (CRS)
• EASA Compliant
• AS9100 Certified
• Certified TIG Welding (AWS D17.1)
• NADCAP Welding & Resistance Welding

Manufacturing & Fabrication Capabilities

• Stamping and forming
• Product prototyping
• NDT inspection services
• Precision machining
• Finishing and coating
• Tooling and fixturing
• Tube bending
• Pressure testing

Why AWI

• Extensive FAA/PMA exhaust product coverage
• Proven repair and overhaul capability
• Certified welding and fabrication expertise
• Support for both legacy and current aircraft platforms

Explore Our AWI Collection

At Hartzell Aviation, we carry a wide range of AWI accessories so you can find what you need, including welded exhaust systems, welded engine mounts, and other custom welding solutions that you may need for your aircraft.

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