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GM1 UAM.POL.VCA.110 General performance requirements

ED Decision 2025/010/R

DENSITY ALTITUDE

Point (c)(3)(i) of point UAM.POL.VCA.110 refers to the pre-flight performance calculation of density altitude, essentially but not only for take-off and landing, using reported pressure altitude and temperature.

For in-flight replanning, if necessary, the pressure altitude and temperature at the destination as reported would be used, not the altitude read by the sensors. Therefore, neither the pressure altitude nor the GNSS altitude available in flight will ever be used for the purpose of point (c)(3)(i) of point UAM.POL.VCA.110.