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PFD. The LAND mode remains engaged.
‐ The difference between both radio altimeter indications is greater than 15 ft.
LANDING CAPABILITIES
Applicable to: ALL
Each FMGC computes its own automatic landing capability.
The FMA displays “CAT 1”, “CAT 2”, “CAT 3 SINGLE” or “CAT 3 DUAL” messages as soon as the
APPR pb is pushed in to arm ILS approach modes.
Refer to PRO-NOR-SRP-01-70 INITIAL APPROACH.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT GUIDANCE
AP/FD COMMON MODES - APPROACH
A318/A319/A320/A321 FLEET DSC-22_30-80-30-20 P 1/8
FCOM 19 AUG 10
Non Precision Approach
GENERAL
Applicable to:
,
,
MSN
This mode guides the aircraft laterally and vertically down to the Minimum Descent Altitude (MDA) or
Minimum Descent Height (MDH) along the final descent profile computed by the FMGS.
This mode is used to fly a non-ILS approach (VOR, VOR/DME, NDB (if ADF ), RNAV...) as
inserted into the flight plan.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT GUIDANCE
AP/FD COMMON MODES - APPROACH
A318/A319/A320/A321 FLEET DSC-22_30-80-30-20 P 2/8
FCOM 19 AUG 10
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT GUIDANCE
AP/FD COMMON MODES - APPROACH
A318/A319/A320/A321 FLEET DSC-22_30-80-30-20 P 3/8
FCOM 19 AUG 10
The non-ILS approach includes the following managed modes:
APP ‐ NAV mode for lateral guidance
‐ FINAL mode for vertical guidance.
GENERAL
Applicable to:
MSN,,,
This mode guides the aircraft laterally and vertically down to the Minimum Descent Altitude (MDA) or
Minimum Descent Height (MDH) along the final descent profile computed by the FMGS.
This mode is used to fly a non-ILS approach (VOR, VOR/DME, NDB (if ADF ), RNAV...) as
inserted into the flight plan.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT GUIDANCE
AP/FD COMMON MODES - APPROACH
A318/A319/A320/A321 FLEET DSC-22_30-80-30-20 P 4/8
FCOM 19 AUG 10
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT GUIDANCE
AP/FD COMMON MODES - APPROACH
A318/A319/A320/A321 FLEET DSC-22_30-80-30-20 P 5/8
FCOM 19 AUG 10
The non-ILS approach includes the following managed modes:
APP ‐ NAV mode for lateral guidance
‐ FINAL mode for vertical guidance.
SELECTION
Applicable to: ALL
A non-ILS approach (VOR, VOR/DME, NDB (if ADF ), RNAV) is selected if the active flight plan
calls for it (and it has been inserted in that flight plan).
ARMING CONDITIONS
Applicable to: ALL
The flight crew arms the APP NAV and FINAL modes by pressing the APPR pb on the FCU, if all of
the following conditions are met:
‐ The aircraft is above 400 ft AGL
‐ The flight plan is valid (lateral and vertical profile)
‐ The active flight plan has selected a non-ILS approach
‐ GA mode is not engaged.
The FMA displays “FINAL” and “APP NAV” in blue.
If NAV mode was already engaged, APP NAV engages immediately.
DISARMING CONDITIONS
Applicable to: ALL
FINAL and APP NAV modes are disarmed if the flight crew:
‐ Presses the APPR pb, or
‐ Presses the LOC pb arming the LOC mode, or
‐ Engages the GO AROUND mode.
ENGAGEMENT CONDITIONS
Applicable to: ALL
APP NAV and NAV modes engage under the same conditions:
If NAV mode was engaged, APP NAV engages immediately. If HDG/TRK is engaged, APP NAV
engages when the intercept conditions are met (aircraft track line must intercept the flight plan active
leg).
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT GUIDANCE
AP/FD COMMON MODES - APPROACH
A318/A319/A320/A321 FLEET DSC-22_30-80-30-20 P 6/8
FCOM 19 AUG 10
FINAL mode engages, if:
‐ APPR phase is active, and the deceleration point has sequenced, and
‐ APP NAV is engaged, and
‐ Crosstrack error is less than 1.5 nm, and
‐ FINAL is armed, and
• The aircraft intercepts a descending leg of the vertical flight path, or
• In V/S (FPA) or OPEN DES, the aircraft intercepts a level-off segment of the vertical flight
profile, with an FCU selected altitude different from this level-off segment.
The "TO" waypoint is displayed in white on the ND and MCDU:
DISENGAGEMENT CONDITIONS
Applicable to:
The FINAL and APP NAV modes disengage:
If the flight ‐ crew pushes the APPR pb (HDG-V/S or TRK-FPA modes engage)
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 2(108)
