October 2010 Issue

Density Altitude: Five Things To Remember

We’ve all been through enough ground school to know and understand that high ambient outside temperatures adversely impact aircraft performance. The relationship between temperature and altitude, of course, is termed density altitude, which describes a location’s pressure altitude adjusted for temperature. To put it another way, density altitude is your elevation when measured in terms of the density of the air rather than height above sea level. It can be higher or lower than your actual altitude above sea level.

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