All standard atmosphere layers
| Mesosphere ✕ | |
|---|---|
| Standard Atmosphere | Earth ISA |
| Geopotential Altitude AMSL h (m) (m) | 51000 |
| Base Geometrical Altitude AMSL z (m) (m) | 51413 |
| Top Geometrical Altitude AMSL z (m) (m) | 71802 |
| Lapse rate (°C/m) (°C/m) | -0.0028 |
| Base Temperature (°C) (°C) | -2.5 |
| Base Atmospheric Pressure (Pa) (Pa) | 66.939 |