Thursday, July 24, 2008

Density altitude VS pressure altitude

HIGH DENSITY ALTITUDE:
1.) pressure altitude is less than 29.92in.Hg.
2.)temperature is warmer
3.) air is moist

LOW DENSITY ALTITUDE:
1.) Press greater than 29.92in.HG
2.) temperature is cooler
3.) air dryer
------------VS------------
PRESSURE ALTITUDE
pressure goes down => density goes down=>high pressure altitude means=>less performance (akin to high elevations)

pressure goes up=>density goes up=>low pressure altitude means=>more performance
(akin to low elevations)

pressure altitude is not directly affected by temperature as density altitude is.

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