Flying

What Is True Altitude and How Do You Calculate It?

True altitude is height above mean sea level (MSL), crucial for situational awareness and safe flight operations. True altitude calculation involves indicated altitude and temperature; colder ...
Flying

What Is Pressure Altitude?

Pressure altitude is the height above a standard datum plane (29.92 inHg at sea level), used to calculate aircraft performance in non-standard atmospheric conditions. It's calculated using the formula ...