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EAA AirVenture Oshkosh 2025 is right around the corner, and we couldn’t be more excited! As you make your plans for the best week in aviation, don’t miss our daily educational forums packed with expert insights on aircraft propellers, aircraft engine preheat systems, engine accessories, exhaust systems, engine mounts, wheels and brakes, and much more.

NEW Booth Location

This year, you’ll find the Hartzell Propeller team at a brand new location: Booth #289, just outside Hangar B.

Hartzell Propeller will be co-exhibiting with other Signia Aerospace companies, including Hartzell Engine Tech, Hartzell Aerospace Welding & Cleveland Wheel and Brake Systems.

You’ll find our team in the designated Hartzell Propeller building, along with the exhibits for Hartzell Propeller companies WhirlWind Propeller, Reiff, and Tanis Aircraft Products. We’re here to answer all your questions and help you find the propeller and preheating solution that’s right for you and your aircraft!

Education Sessions

The central Signia building at our location features an indoor presentation area, where daily educational forums from each of the exhibiting Signia companies will be held Monday through Friday. Join us for these helpful sessions covering everything from product application to maintenance, repair, and best practices.

Here’s the full schedule:

Monday, July 21
9:00 AM – Alternator Drive Coupling – Cause and Effect
Presenter: Tim Gauntt | Hartzell Engine Tech

10:00 AM  – Hartzell Carbon Fiber Propeller Difference
Presenter: Opie Perry | Hartzell Propeller

11:00 AM – Engine Turbo Charging System Overview, Care & Maintenance
Presenter: Tim Gauntt | Hartzell Engine Tech

12:00 PM – Hartzell “Falcon” Propellers for ROTAX
Presenter: Trevor Parker | Hartzell Propeller

1:00 PM – Aircraft Preheat Best Practices
Presenter: Glen Olin | Hartzell Propeller

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Tuesday, July 22

9:00 AM – WhirlWind Propeller Care
Presenter: Rolf Dickens | Hartzell Propeller

10:00 AM – Hartzell Props for Homebuilts
Presenter: Trevor Parker | Hartzell Propeller

11:00 AM  – New Engine Magneto Certifications, Improved Part Approvals, Care & Maintenance
Presenter: Allen Buffkin | Hartzell Engine Tech

12:00 PM – Engine Exhaust Inspection & Maintenance
Presenter: Paul Gryko | Hartzell Aerospace Welding

1:00 PM – Hartzell Propeller Care
Presenter: Opie Perry | Hartzell Propeller

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Wednesday, July 23

9:00 AM – Engine Mount Inspection & Maintenance
Presenter: Paul Gryko | Hartzell Aerospace Welding

10:00 AM – Hartzell Carbon Fiber Propeller Blade Repair
Presenter: Opie Perry | Hartzell Propeller

11:00 AM – Engine Electrical System Care & Maintenance – Aircraft Starting & Charging Systems
Presenter: Allen Buffkin | Hartzell Engine Tech

12:00 PM – Cleveland Wheel & Brake Care and Maintenance
Presenter: Vern Rodgers | Cleveland Wheel & Brake

1:00 PM – Aircraft Preheat Best Practices
Presenter: Glen Olin | Company: Hartzell Propeller

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Thursday, July 24

9:00 AM – WhirlWind Propeller Care
Presenter: Rolf Dickens | Hartzell Propeller

10:00 AM – Hartzell Props for Homebuilts
Presenter: Trevor Parker | Hartzell Propeller

11:00 AM – New Engine Magneto Certifications, Improved Part Approvals, Care & Maintenance
Presenter: Allen Buffkin | Hartzell Engine Tech

12:00 PM – Engine Exhaust Inspection & Maintenance
Presenter: Paul Gryko | Hartzell Aerospace Welding

1:00 PM – Hartzell Propeller Care
Presenter: Opie Perry | Hartzell Propeller

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Friday, July 25

9:00 AM – Engine Mount Inspection & Maintenance
Presenter: Paul Gryko | Hartzell Aerospace Welding

10:00 AM  – Hartzell Carbon Fiber Propeller Difference
Presenter: Opie Perry | Hartzell Propeller

11:00 AM – Engine Electrical System Care & Maintenance – Aircraft Starting & Charging Systems
Presenter: Allen Buffkin | Hartzell Engine Tech

12:00 PM – Hartzell “Falcon” Propellers for ROTAX
Presenter: Trevor Parker | Hartzell Propeller

1:00 PM – QAA Maintenance, Repair, Overhaul Services – What to Know Before You Buy
Presenter: Justin Phillips | QAA

Make Plans to See Us at #OSH25! 

We have some BIG surprises in store at our new booth this year — be sure to stop by each day and follow us on Facebook, Instagram, or LinkedIn to see how we’re making #OSH25 one to remember!