What Is Air Density? A Simple Guide for Pilots
Pilot Institute
MARCH 26, 2025
When flying through a high-pressure weather system, the same volume of air contains more molecules. The opposite is true for low-pressure weather systems. Density Altitude = Pressure Altitude + [120 x (OAT – Standard Temperature)] For example, the temperature at a pressure altitude of 5,000ft is 7C.
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