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For various reasons, some Operators may use QNH reference for approach and landing
on QNH/QFE pin programmed aircraft. The flight crew should be aware of the following
consequences and should use the following procedures.
Applicable to: ,
CONSEQUENCES
• When the pin program is the QNH/QFE option, the 2R field of the MCDU PERF APPR page is
named “MDH” independently of the baro setting reference selected by the flight crew.
• At some airports in mountainous areas, GPWS warnings may be delayed by a maximum of five
seconds.
Applicable to:
CONSEQUENCES
When the pin program is the QNH/QFE option, the 2R field of the MCDU PERF APPR page is
named “MDH” independently of the baro setting reference selected by the flight crew.
QNH USE FOR TO/APPR/LDG ON QFE/QNH PIN - PROGRAMMED AIRCRAFT
Applicable to: ,
PROCEDURES
No specific procedures are necessary for takeoff, climb, cruise, descent and go around phases.
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
SUPPLEMENTARY PROCEDURES
NAVIGATION
A330/A340 FLEET PRO-SUP-34 P 18/24
FCOM 19 AUG 10
PROCEDURE FOR PRECISION APPROACHES (CAT2 AND CAT3):
Insert the DH into the DH field of the PERF APPR pages as usual.
PROCEDURE FOR ILS APPROACH (CAT1):
Insert the DA into the MDH field of the PERF APPR page.
PROCEDURE FOR NON-PRECISION APPROACHES (NPA):
For ‐ NPAs other than LOC and LOC B/C:
Use TRK/FPA or NAV/FPA modes, until visual references are met.
• If NAV-FPA or NAV-V/S mode is used, enter an MDA (not an MDH) in the MDH field of the
MCDU.The altitude indication on PFD becomes amber at MDA.
• If FINAL APP mode is used, enter an MDH in the MDH field of the MCDU. The AP will
disconnect and the FD will revert to HDG-V/S or TRK-FPA mode at an altitude (equal to
MDH + airport elevation - 50 ft), that corresponds to MDA - 50 ft . The altitude indication on
PFD does not become amber at MDA.
Use TRK-FPA or NAV-FPA or NAV-V/S or FINAL APP modes down to minimum.
‐ For LOC (or LOC B/C) approaches :
Use LOC/FPA (or LOC B/C / FPA) modes, until visual references are met.
‐ At the correct altitude the color on the PFD altitude scale changes from green to amber and
the “MINIMUM” auto callout occurs.
Note: If the MDA is greater than 5 000 ft, the value is not accepted and the message OUT
OF RANGE is displayed on the MCDU. In such a case, the MDH field remains blank
and the PNF should announce the callouts.
Applicable to:
PROCEDURES
No specific procedures are necessary for takeoff, climb, cruise, descent and go around phases.
PROCEDURE FOR PRECISION APPROACHES (CAT2 AND CAT3):
Insert the DH into the DH field of the PERF APPR pages as usual.
PROCEDURE FOR ILS APPROACH (CAT1):
Insert the DA into the MDH field of the PERF APPR page.
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
SUPPLEMENTARY PROCEDURES
NAVIGATION
A330/A340 FLEET PRO-SUP-34 P 19/24
FCOM 19 AUG 10
PROCEDURE FOR NON-PRECISION APPROACHES (NPA):
For ‐ NPAs other than LOC and LOC B/C:
Use TRK/FPA or NAV/FPA modes, until visual references are met.
• If NAV-FPA or NAV-V/S mode is used, enter an MDA (not an MDH) in the MDH field of the
MCDU.The altitude indication on PFD becomes amber at MDA.
• If FINAL APP mode is used, enter an MDH in the MDH field of the MCDU. The AP will
disconnect and the FD will revert to HDG-V/S or TRK-FPA mode at an altitude (equal to
MDH + airport elevation - 50 ft), that corresponds to MDA - 50 ft . The altitude indication on
PFD does not become amber at MDA.
Use TRK-FPA or NAV-FPA or NAV-V/S or FINAL APP modes down to minimum.
‐ For LOC (or LOC B/C) approaches :
Use LOC/FPA (or LOC B/C / FPA) modes, until visual references are met.
‐ At the correct altitude the color on the PFD altitude scale changes from green to amber and
the “MINIMUM” auto callout occurs.
Note: If the MDA is greater than 5 000 ft, the value is not accepted and the message OUT
OF RANGE is displayed on the MCDU. In such a case, the MDH field remains blank
and the PNF should announce the callouts.
PROCEDURE FOR RNP AR APPROACH:
‐ Insert a barometric Decision Height (DH) value in the MDH field of the MCDU. The AP will
automatically disconnect at the corresponding DA - 50 ft .
‐ The “Hundred Above” and “Minimum” callouts must be announced by the PNF. The
autocallout triggering and the altitude scale turning amber, will not occur or will occur
depending on the airfield elevation.
QFE USE FOR TO/APPR/LDG ON AIRCRAFT WITH QNH ONLY PIN PROGRAMMING
Applicable to: ALL
The crew should not use QFE on aircraft with a “QNH only” pin programming (incorrect profile
　
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