Hartzell Propeller has been awarded STC approval for its Tanis Helicopter Preheat Systems for Airbus H135 helicopters. Approvals cover the United States and the European Union (including EC135T1, EC135T2, EC135T2+, EC135T3, EC635T2+). Tanis brand helicopter preheat systems will be on display at Verticon Dallas 2025 in the Kay Bailey Hutchison Center in Dallas, Texas booth # 3812.
Hartzell Propeller President JJ Frigge commented: “These Hartzell Propeller STCs for our Tanis brand preheat systems expand coverage for Airbus H135 helicopters. The entire Tanis team truly cares about enhancing the reliability, safety and utility of your aircraft, despite the cold weather.”
Details for the STC approvals are listed here:
Airbus H135 Preconditioning Systems
Preheat for Fixed Wing and Rotorcraft
Hartzell Propeller offers Tanis preheat systems for numerous piston and turbine powered airplanes and helicopters. In addition, the company offers Tanis avionics/cabin preheaters and replacement parts and accessories.
Hartzell Propeller’s entire preheat product line contributes to aircraft longevity, reliability, safety, and the ability to perform protected engine starts in colder weather. The Tanis brand utilizes silicone pad elements to provide heat to critical components such as engines, gearboxes, hydraulics, avionics and batteries.
The key benefits of helicopter preheat include:
Hartzell recommends continuous use of preheat systems when ambient temperatures drop below 50°F (10°C).
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