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What is the Pitot-Static System and How Does it Work?

Northstar VFR

Overview of the Pitot-Static System The pitot-static system is a network of ports, tubes and lines that utilizes ambient (static) and dynamic pressure for the operation of the airspeed indicator (ASI), altimeter, and vertical speed indicator (VSI). The pitot tube is a peculiar looking probe on aircraft to our non-flying friends.