Knot Pitot Tube True Airspeed 
Pilot Institute
DECEMBER 12, 2024
In this article, well break down how the pitot-static system works, what it measures, and why its so important. Key Takeaways The pitot-static system measures airspeed, altitude, and vertical speed. Blockages in the pitot tube or static port can lead to inaccurate or failed instrument readings.
Pilot Institute
JULY 11, 2025
Key Takeaways Mach number is a dimensionless ratio of true airspeed to local speed of sound. Mach number is simply a ratio of your true airspeed to the local speed of sound. Since it’s a ratio, it doesn’t matter if you measure speed in knots, miles per hour, or meters per second. Here’s why. What Is Mach Number?
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Pilot Institute
NOVEMBER 16, 2024
If you’re aiming to get comfortable with managing both airspeed and altitude in flight, you’ll need to understand the difference between indicated airspeed (IAS) and true airspeed (TAS). Key Takeaways Airspeed and altitude are directly linked to each other throughout different phases of your flight. miles per hour.
Pilot's Life Blog
APRIL 9, 2024
In short, an airspeed indicator measures the ram pressure and compares it to static pressure to determine how fast a plane is moving. Moving air from outside feeds into the pitot tubes and fills a pressure diaphragm. True airspeed (TAS) is the difference between the indicated airspeed and actual speed.
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