Copyright D.P. Browne 2011
The Cruise performance page is appears in the Cruise flight phase. The ability to set step climb and decent points during the Cruise flight phase is available through the step alts prompt.
The Approach data is required to be entered prior to descent and an MCDU message appears if this is not done before 180 NM from the destination.
There is a performance page for each flight phase of the FMGS. The Performance page is directly accessed from the Direct Page access keys.
The takeoff performance page appears whilst the aircraft is on the ground, until the Climb flight phase occurs.
The Climb performance page appears in the Climb flight phase . The flight crew may check predictions to the selected altitude and may make a pre select speed entry.
Performance pages