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┃ A~7-~'M" A321 ┃ ┃ ┃ ┃
┃ FLIGHT CREW OPERATING MANUAL ┃ ┃ ┃ ┃
┗━━━━━━━━━━━━━━━━┻━━━━━━━━━━━━━━┻━━━━━┻━━━━━┛
If the AP is engaged while FD is already engaged in ALT mode at the FCU-selected
altitude, the autopilot :
~ acquires and holds the FCU altitude if present altitude is within 250 feet of it, or
~ commands a level-off if present altitude is more than 250 feet from the FCU altitude.
SOFT ALTITUDE
FCU ALTITUDE
AP ENGAGEMENT
~bIF Az < 250 Ft: AP ACQUIRES
t THEN HOLDS FCU ALTITUDE
~)IF Az > 250 Ft: AP HOLDS THE
NEW ALTITUDE ACQUIRED AFTER
V/S CANCELLATION
On reaching the planned cruise altitude, ALT CRZ engages and A/-FHR maintains the
speed/mach target.
Two minutes after ALT CRZ engages, if the mach mode is operative, SOFT ALT mode
engages. This allows the aircraft to deviate _+ 50 feet from the target altitude, thereby
minimizing thrust variations and reducing fuel consumption.
FMA in SOFT ALT HOLD MODE
CCM ALL
┏━━━━━━━━━━━━━━━━┳━━━━━━━━┳━━━━━━━━━━━┓
┃I ~-2 A318 ┃ AUTO FLIGHT ┃1.22.30 P 37 ┃
┃ aI aI ,, ~e~ A319 ┃ ┃ ┃
┃ ┃ ┣━━━━━┳━━━━━┫
┃ Lii,~ A320 ┃ ┃SEQ 300 I ┃I REV 26 ┃
┃ A~;-~'M" A321 ┃FLIGHT GUIDANCE ┃ ┃ ┃
┃ FLIGHT CREW OPERATING MANUAL ┃ ┃ ┃ ┃
┗━━━━━━━━━━━━━━━━┻━━━━━━━━┻━━━━━┻━━━━━┛
VERTICAL SPEED MODE -- FLIGHT PATH ANGLE MODE (V/S - FPA)
The V/S - FPA is a selected mode. It acquires and
angle displayed in the V/S - FPA window of the
holds the vertical speed or the flight path
FCU.
The HDG V/S TRK FPA pushbutton on the FCU allows the pilot to select either type of
reference to be used for guidance and for display on the PFD.
┏━━━━━━━━━━━┓
┃ 20 -- 20 ┃
┣━━━━━━━━━━━┫
┃k' lo'J-'lo 'J ┃
┗━━━━━━━━━━━┛
┏━━━━━━━━┳━━━━━━━━┓
┃I~1~o ~o ┃ o~1 ┃
┣━━━━━━┳━╋━━━━━━━━┫
┃~0 0 ┃@ ┃ 0 /r,~S2~ ┃
┃ ~ [] ┃ ┃I~1 ~ [] ┃
┗━━━━━━┻━┻━━━━━━━━┛
ENGAGEMENT CONDITIONS
┏━━━━━━━━┓
┃ ┃
┣━━━━━━━━┫
┃ , ,0,__, ,0 j ┃
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本文链接地址：
AIRBUS A320 Flight Crew Operating Manual2(47)
