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(geodesic standard used by GPS, FMS) is not negligible, an incorrect guidance in NAV mode may
occur after takeoff.
GPS must be deselected for takeoff from these airports, until a safe altitude is reached.
USE OF NAV AND FINAL APP MODES FOR NON-PRECISION APPROACH
Applicable to:
NAV, or NAV and FINAL APP mode may be used for VOR, VOR/DME, NDB, NDB/DME or RNAV
approach, but not for ILS, LOC, LOC-BC, LDA, SDF, or MLS final approach.
VOR, VOR/DME, NDB or NDB/DME approach procedures may be performed, in NAV, or NAV and
FINAL APP mode, provided AP or FD is used, and :
The reference navaid and the corresponding airborne equipment ‐ is serviceable, tuned, and
monitored during the approach, or
‐ The radio navaid coverage supports the RNP value, specified for the approach procedure, and an
operational approval is obtained.
RNAV approach may be performed only if the radio navaid coverage supports the RNP value and
HIGH accuracy is displayed on the MCDU with the specified RNP, and operational approval is
obtained.
NAV mode may be used in the terminal area, provided :
‐ HIGH accuracy is displayed, and the appropriate RNP is checked or entered on the MCDU, or
‐ Navaid raw data is monitored.
USE OF NAV AND FINAL APP MODES FOR NON-PRECISION APPROACH
Applicable to:
,
,
MSN,,,,
NAV, or NAV and FINAL APP mode may be used for VOR, VOR/DME, NDB, NDB/DME or RNAV
(including GPS) approach, but not for ILS, LOC, LOC-BC, LDA, SDF, or MLS final approach.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
LIMITATIONS
AUTO FLIGHT
GENERAL
A318/A319/A320/A321 FLEET LIM-22-10 P 6/6
FCOM 19 AUG 10
For instrument procedures not coded in the WGS 84 coordinate system, the GPS must be
deselected, unless the shift between the local coordinate system and the WGS 84 is found
acceptable for the intended operation.
Note: 1. The assesment of this shift can be done :
‐ in flight, monitoring the navaid raw data in non RNAV procedures,
‐ on ground performing a GPS survey of the procedure waypoints.
2. RNAV (GPS) and RNP RNAV approach procedures require WGS 84 coordinates and
GPS.
FINAL APP mode guidance capability with GPS PRIMARY has been demonstrated down to
MDH/DH (barometric) 250 ft.
VOR, VOR/DME, NDB or NDB/DME approach procedures may be performed, in NAV, or NAV and
FINAL APP mode, provided AP or FD is used, and :
GPS PRIMARY is available. In this case, the reference navaid ‐ may be unserviceable, or the
airborne radio equipment may be inoperative, or not installed, provided operational approval is
obtained.
‐ Without GPS PRIMARY :
• The reference navaid and the corresponding airborne equipment is serviceable, tuned, and
monitored during the approach, or
• The radio navaid coverage supports the RNP value, specified for the approach procedure, and
an operational approval is obtained.
For GPS approach, GPS PRIMARY must be available.
RNAV approach without GPS PRIMARY may be performed only if the radio navaid coverage
supports the RNP value and HIGH accuracy is displayed on the MCDU with the specified RNP, and
operational approval is obtained.
NAV mode may be used in the terminal area, provided :
‐ GPS PRIMARY is available, or
‐ HIGH accuracy is displayed, and the appropriate RNP is checked or entered on the MCDU, or
‐ Navaid raw data is monitored.
NON-PRECISION APPROACHES WITH ENGINE-OUT
Applicable to: ALL
If one engine is inoperative, it is not permittted to use the autopilot to perform NPAs in the following
modes : FINAL APP, NAV V/S, NAV/FPA.
Only FD use is permitted.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
LIMITATIONS
AUTO FLIGHT
AUTOMATIC APPROACH, LANDING AND ROLL OUT
A318/A319/A320/A321 FLEET LIM-22-20 P 1/8
FCOM 19 AUG 10
CATEGORY II
Applicable to:
MSN,
Minimum decision height...................................................................................................... 100 ft AGL
At least one autopilot must be engaged in APPR mode, and CAT 2, CAT 3 SINGLE or CAT 3 DUAL
must be displayed on the FMA.
CATEGORY II
Applicable to: ,
, MSN,,
Minimum decision height...................................................................................................... 100 ft AGL
At least one autopilot must be engaged in APPR mode, and CAT 2, CAT 3 SINGLE or CAT 3 DUAL
must be displayed on the FMA.
MAXIMUM WIND CONDITIONS FOR CAT II AUTOMATIC APPROACH
Head wind : 40 kt
Tail wind : 10 kt
Cross wind : 25 kt
CATEGORY III FAIL PASSIVE (SINGLE)
Applicable to: ALL
Minimum decision height.................................................................................................................50 ft
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 5(74)
