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What Is Air Density? A Simple Guide for Pilots

Pilot Institute

This means that if you encounter these conditions on a particular day, you would need to achieve a higher true airspeed to produce the same lift that would be generated at lower airspeeds in denser air. Note: OAT and ISA Standard Temperature should be in degrees Celsius. Is High Air Density Good for Flying?

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Aspirated Total Air Temperature Probe

AeroSavvy

Static Air Temperature (SAT) – This is the temperature of the undisturbed air around the aircraft; also referred to as outside air temperature (OAT). TAT probe data is used for calculating Mach number and true airspeed which are critical for cruise flight and navigation.