Airplanes Density Altitude True Altitude 
Thrust Flight
DECEMBER 4, 2024
In this article I’m going to teach you how to calculate density altitude. The earthbound among us have a very black-and-white view of altitude. It’s just how high the airplane is flying, right? There’s true altitude, indicated altitude, and absolute altitude!
Northstar VFR
JULY 28, 2023
This is why when crossing flight level 180 (18,000 ft), all airplanes revert their altimeter settings to 29.92. This ensures everyone is reading the same altitudes. Density Altitude Density altitude is my personal favorite, and the reasoning is simple. It’s the altitude at which your airplane thinks it's at.
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