The Aircraft Pitot Static System

This post will introduce the aircraft pitot static system which provides pressure readings to the three pressure-based primary flight instruments: the airspeed indicator, the altimeter, and the vertical speed indicator. The system works according to Bernoulli’s equation which relates pressure and velocity. Central to understanding how these instruments work are the concepts of static pressure, total pressure, and dynamic pressure which are discussed in detail.
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The Airspeed Indicator

This post is a part of our series on aircraft instrumentation and is dedicated to the airspeed indicator (ASI). This is an instrument that makes use of the aircraft’s pitot-static system which was introduced in the previous post to provide the pilot with a real time readout of the aircraft’s airspeed.

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