7-9 October, 2026 Prague, Czechia View More Details & Registration Important Note:Timing of sessions and room locations are subject to change.
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Airspeed sits at the center of fixed-wing flight. It determines how much lift the wings generate, how effective the control surfaces are, and ultimately how the aircraft can be controlled. As a result, it influences nearly every aspect of flight, from stability and maneuvering to energy management. Yet the airspeed value used throughout PX4 is far from a simple sensor reading. Behind a seemingly simple number lies a surprisingly large stack of sensor physics, conversions, calibration procedures, validation logic, control scaling, and TECS handling.
This talk traces the airspeed pipeline end-to-end: from pitot-tube measurements, through IAS → CAS → TAS conversion, in-flight calibration, and validation, to the controllers that ultimately use it. We'll also examine real-world failure modes from the PX4 community and show how to diagnose them from flight logs.
