Business Aviation Weather: International Standard Atmosphere – How It Affects Flight
Universal Weather
JULY 31, 2025
The International Standard Atmosphere (ISA) is a foundational model in aviation, used to calibrate aircraft instruments and set performance benchmarks. While the ISA is theoretical, it provides a consistent reference for atmospheric conditions—including temperature, pressure, and density—across different altitudes. Knowing how ISA works and how deviations from standard conditions impact performance is critical to safe and efficient flight planning, especially at high altitudes or in hot conditio
Let's personalize your content