Tailwind Technologies Inc.
imageBackgroundInvestment StrategyAcquisition CriteriaPartnersBios/Advisory BoardContact





Hartzell Propeller is the leading manufacturer of aircraft propeller systems in the world and serves the general aviation industry globally. Founded in 1917, the company has been owned by the Browns since 1987 when it was acquired from TRW. Hartzell is headquartered in Piqua, Ohio, and employs 300+ people.

Hartzell designs and builds constant-speed variable pitch propellers for general aviation applications – both piston engine and turboprop. Aircraft propellers are highly engineered flight-critical components tailored to individual aircraft. Hence, engineering and quality assurance skills are crucial to the business, as are best-of-class manufacturing capabilities.

Some of the capabilities of the business include:

  • Close tolerance machining
  • Corrosion-resistant, long-wear, and reliability-focused products
  • Carbon composite fabrication capabilities
  • Stringent regulatory and quality systems management
  • Long product life cycle management
  • Product liability and risk management
  • Engineering and design

Hartzell sells its products in U.S. and foreign markets. The sales mix of two-thirds U.S. and one-third foreign mirrors worldwide aircraft activity. The company enjoys a happy mix of OEM and aftermarket sales.

Hartzell propellers are widely known and respected. The company has earned a sole-supplier position with many customers, including: Beech Aircraft (Hawker Beechcraft); Cirrus; Piaggio (Italy); Pilatus (Switzerland); and Socata (France).

Hartzell is led by Joe Brown, president, and assisted by chairman Jim Brown Jr.




Hartzell Engine Technologies was formed in 2010 after the acquisition of the assets of Kelly Aerospace Energy Systems, LLC. Hartzell Engine Technologies product lines include turbocharger systems, alternators, starters, Janitrol Heaters, fuel pumps, oil filters, ignition harnesses, magnetos, voltage regulators and MCUs and a large range of other electrical components. These products primarily serve piston-engine general aviation, military aircraft, as well as piston and turbine engine helicopters.

Some of the capabilities of the organization include:

  • Design and engineering
  • Close tolerance machining
  • Assembly
  • Product testing
  • Long product life cycle management

In combination with Hartzell Propeller, Hartzell Engine Technologies strengthens Tailwind's offering of engineered products for the general aviation market. Hartzell Engine Technologies is based in Montgomery, Alabama. Customers include major piston engine manufacturers, airframers and distributors worldwide.




Mayday provides the global aerospace community with close tolerance machined components. The company has long experience producing bushings, sleeves, pins and other turned components many of which include complex milled features.

Founded in 1966, Mayday serves the market with components that can be found on most of the world’s commercial aircraft and many tactical and transport military platforms. The company currently serves about 800 customers in 16 countries, including the world’s most recognized prime contractors and all of their associated supply chain participants. Mayday is a recognized and preferred supplier to Boeing, Bell Helicopter, Goodrich, Messier-Dowty, Heroux Devtek, GE and many others.

Mayday Manufacturing was acquired in June 2009.

Unique capabilities of the organization include:

  • Significant capability in close tolerance turned parts, including milled features
  • Co-located with Hi-Tech Metal Finishing - a NADCAP approved metal finishing shop
  • Parts broadly installed across business, commercial and military platforms
  • Focus on lean/efficiencies




Hi-Tech Metal Finishing is a metal processor providing support for aerospace components that are part of almost every commercial and military aircraft flying today. The company is approved by most aerospace prime contractors to do anodizing, cadmium plate, chem film (alodine), liquid penetrant inspection, magnetic particle inspection, passivation and prime / paint.

Hi-Tech Metal Finishing was acquired in June 2009.

Unique capabilities of the organization include:

  • Broad metal finishing capability
  • NADCAP Certifications from largest military& commercial aerospace contractors
  • OEM approvals from largest military & commercial aerospace contractors
  • Long-standing customer relationships within the aerospace community
  • Located within the Dallas-Fort Worth aerospace corridor


Hi tech
Jim Brown Jr. James W. Brown III Joseph W. Brown Matthew L. Jesch Michael J. Piscatella