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The air we fly in is never the same. The density is affected by altitude, air pressure, temperature, and humidity. Want to take online Private Pilot Ground School and finish your training? Visit flightinsight.... and sign up for online courses today!
We need an easy way to compare different conditions on different days so we can predict how well the airplane will perform.
This is what the International Standard Atmosphere is all about. It's a fantasy land, where the pressure and temperature are always the same no matter what. Pressure Altitude and Density Altitude are the altitude you would be at in fantasy land, if you were experiencing the pressure and temperature conditions you currently have in the real world.
This excerpt from Private Pilot Ground School should help you with these ideas, which is a common challenge for students and experienced pilots alike!
Want to take online Private Pilot Ground School and finish your training? Visit flightinsight.... and sign up for online courses today!
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