Absolute Altitude AGL Pilot 
Pilot Institute
APRIL 30, 2025
Types of Altitude To fundamentally understand density altitude, you need to understand the five types of altitude used in aviation: Indicated altitude: the altitude read on the altimeter (regardless of altimeter setting) Pressure Altitude: the indicated altitude of the altimeter when it is set to 29.92
Pilot Institute
FEBRUARY 1, 2025
In aviation, altitude is far more complex than its dictionary definition. Pilots use several types of altitude for varying purposes, which include reading aeronautical charts, communicating with ATC, and calculating aircraft performance. In this short guide, youll learn about the different altitude types and their significance.
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