2.0 — 41 — 12 October 2012
4
OPERATING SPECIFICATIONS
4.1 ISA conditions
4.1.1 International Standard Atmosphere
All operating specifications of the X100 are determined using the International Standard Atmo-
sphere (ISA) conditions.
Established in 1976, the International Standard Atmosphere (ISA) is a mathematical descrip-
tion of a theoretical column of air.
See ISA conditions for more information.
4.1.2 X100 conditions
The ISA conditions used to determine the X100 specifications are:
Specification Value
Humidity 0 %
Air pressure 1013.25 hPa (760 mm Hg)
Temperature 15 °C (59 F)
Air density 1.225 kg/m³