Honeycomb Sierra TPM Module Dedicated throttle, propeller and mixture controls for piston-powered general-aviation simulation. The Honeycomb Sierra TPM Module recreates the familiar three-lever engine-control layout used in many training and touring aircraft. Its compact desktop design gives each axis a dedicated, colour-coded lever for direct power and mixture management. Key features Separate throttle, propeller and mixture axes Colour-coded GA-style lever layout Smooth, progressive lever movement Compact low-profile housing Stable desktop base USB plug-and-play connection Compatibility and mounting Designed for Windows PC and compatible flight-simulation software. It is most relevant to piston-powered general-aviation aircraft; axis mapping is configured in the simulator. Complete your SIMGASM setup Combine it with Honeycomb Alpha Flight Controls or browse the complete SIMGASM flight range.