1. Aviation standards and flying rules are based on the International Standard Atmosphere . 2. There is no Tropopause in the jet standard atmosphere . 3. With a standard atmosphere , electromagnetic waves are generally bent or refracted downward. 4. Atmospheric Pressure covers the relationship between altitude and pressure in the International Standard Atmosphere . 5. In thermodynamic calculations, a commonly used pressure unit is the " standard atmosphere ". 6. The average atmospheric pressure at sea level is defined by the International Standard Atmosphere as. 7. Flight levels are altitudes corrected and calibrated against the International Standard Atmosphere ( ISA ). 8. "' Jet Standard Atmosphere "'is often used by jet manufactures. 9. When EWM is performed in a standard atmosphere containing oxygen, metal oxides are formed. 10. In the standard atmosphere , the Tropopause is the height at which the temperature stops decreasing.
