https://hartzellprop.com/
Jan 22, 2026 - Hartzell Propeller Inc. is the global leader in advanced aircraft and airplane propeller design and aircraft and airplane propeller manufacturing technology
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https://www.ainonline.com/aviation-news/general-aviation/2017-04-04/hartzell-receives-stc-trailblazer-propeller
Hartzell Propeller worked closely with Professional Pilots Inc. as it owns the STC and is marketing the conversion program from its facility in Indiana.
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https://aviationweek.com/business-aviation/hindustan-aeronautics-picks-hartzell-htt-40-propeller
Hindustan Aeronautics has selected Hartzell's four-blade aluminum propeller for its HTT-40 two-place turbine basic trainer aircraft.
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https://www.ainonline.com/aviation-news/general-aviation/2018-07-20/goulian-team-fly-new-hartzell-talon-propeller
Goulian Aerosports will feature the new propeller during AirVenture performances.
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