Maintenance and Modifications
Tanis Aircraft Wins STC for TBM Family Preheat Kit
Kit covers the full line of Daher’s TBM turboprop singles
Tanis Aircraft Products preheating compents installed on a Daher TBM's engine
Tanis Aircraft Products’ preheading kit STC covers Daher’s entire TBM single-engine-turboprop line. © Hartzell Propeller

Hartzell Propeller subsidiary Tanis Aircraft Products has received an FAA supplemental type certificate (STC) for its preheating system for the Daher TBM series, along with parts manufacturer approval for the system’s kit. The STC covers all of the airframer’s TBM turboprop singles, from the original TBM 700 to the latest TBM 980.

Tanis’ TBM system is self-regulated to deliver preheating to the turboprop’s overall powertrain, including the engine, prop reduction gearbox, oil cooler, fuel control unit, accessory gearbox, and battery. It also provides avionics and cabin preheating, with LED power indication and circuit overload protection.

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