What is the function of the pitot-static system?

The function of the pitot-static system is to provide critical data for the airspeed indicator, altimeter, and vertical speed indicator. This system works by utilizing the differences in air pressure to measure various flight parameters.

The pitot tube measures dynamic pressure, which is the pressure of moving air as the aircraft flies. This information is essential for determining airspeed; faster motion leads to higher dynamic pressure.

The static port, which is typically located on the fuselage, senses ambient air pressure unaffected by the aircraft's motion. This static pressure is vital for calibrating altitude on the altimeter and assessing the rate of climb or descent with the vertical speed indicator.

Together, these components allow pilots to get real-time information about the aircraft's speed, altitude, and vertical velocity, which are crucial for safe navigation and flight operations. Other functions, such as measuring fuel pressure or regulating cabin pressure, are managed by separate systems not related to the pitot-static system. Similarly, ambient temperature detection is not part of this system. Thus, the correct answer accurately reflects the integral role of the pitot-static system in flight instrumentation.