FLIGHT PHASES
DESCENT 11
Typical vertical profile
Descent is normally performed at idle thrust.
However in case of early descent or ,repressurization segment or,
difference between CRZ and DES speed, FMGC may adjust thrust
during initial descent to maintain or join the computed profile.
See PART II: Cruise - DES CABIN RATE
Cost Index value has a direct influence on T/D position as shown
below:
With re-pressurization segment
T/D
Deceleration
Deceleration
T/D
THR IDLE
THR IDLE
NOT IDLE
T/D
T/D
T/D
INCREASING CI
AIRBUS A318/319/320/321
© THALES AVIONICS S.A.
J43126AA 00
Summary of Contents for FMGS
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