Profile and corresponding FMA’s in managed descent
Above managed profile
THR IDLE – DES – NAV .
On managed Profile
THR DES – DES – NAV .
Below managed Profile
SPEED/MACH – DES – NAV .
Path is now controlled by using the elevator to change the pitch attitude to set a V/S of either 1,000 ft/min (Idle segment) or 500 ft/min (Geometric segment).