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crew can press the left key adjacent to the hold
fix (2L in this example). The LAT REV page
appears and pressing HOLD (3L) brings the
hold page which allows modification of the
hold settings.
FMGC
Airbus Series Vol.1
(c) 2007 Wilco Publishing www.wilcopub.com - www.FeelThere.com 85
To delete a holding pattern, the pilot can
delete the hold fix or the holding pattern itself
(2L or 3L in this example).
Saving a route
After the flight plan is created, you may want
to save it for future use. You can do this
through the DATA page, which allows you to
save a route (refer to the DATA page section for
more information). Remember that a route is
not a flight plan. If you save the route, the
departure/arrival airports and all the
waypoints/airways used in the flight plan are
saved. The departure/arrival runways,
procedures (SID/STAR) and flight plan related
information (cruise altitude, cost index, …) are
not saved.
The saved routes are accessible when the
FROM/TO airports have been entered in the
INIT A page (see the ROUTE SELECTION page).
DIR Page
This page is accessible by pressing the DIR key
on the MCDU. It allows the pilot to create a
DIRECT. This operation consists in flying
directly to a waypoint instead of going through
all the waypoints of the flight plan. This
operation is usually commanded by the air
traffic controller if traffic conditions allow the
aircraft to fly its route as directly as possible.
This saves time and fuel.
Pressing the DIR key brings up the DIR page,
which displays all the flight plan waypoints
from the NEXT to the arrival airport. The crew
can command a DIRECT to an existing
waypoint by pressing the left key adjacent to
this waypoint. Making a DIRECT to another
waypoint not listed in the flight plan is also
possible by entering its name in the
scratchpad and pressing 1L.
PERFORMANCE PAGES
The performance pages are accessible by
pressing the PERF key on the MCDU.
Depending on the current flight phase,
different pages can be displayed, according to
the following table:
Flight Phase PERF Page
PREFLIGHT TAKE OFF
TAKE OFF TAKE OFF
CLIMB CLB
CRUISE CRZ
DESCENT DES
APPROACH APPR
GO AROUND GO AROUND
DONE APPR
When a PERF page is displayed, you have the
ability to display the page that corresponds to
the next phases, but you can not access the
previous phase pages.
When a PERF page is displayed, its title is
displayed in green if the corresponding phase
is active, otherwise in white.
When the flight is finished and the flight phase
is DONE, pressing the PERF key resets the
flight phase to PREFLIGHT.
PERF TAKE OFF PAGE
This page is displayed when the flight phase is
PREFLIGHT or TAKE OFF. It lets the pilot enter
all the necessary data for take off.
FMGC
Airbus Series Vol.1
86 For Microsoft Flight Simulator use only. Not for use in real aviation.
The page appears like this when no data has
been entered. Some fields are filled with
default values, others are mandatory.
The same page with all the necessary data
entered.
V1, VR, V2 (1L, 2L, 3L)
The crew should enter the V1, VR and V2
speeds here. These speeds depend on the
aircraft gross weight, the flap configuration,
the weather (wind, rain on the runway,
pressure) and the runway length. In order to
enter these speeds, real pilots have sheets
that describe each airport runway and that
give these numbers in all the possible
conditions.
As you may not have all this information, the
simulated FMGC can help you:
- If you are in Beginner mode, these fields are
already filled with average speed values that
should work in all situations. Even if they are
filled, you can change the values in these
fields as you wish.
- If you are in Intermediate mode, assistance is
available to provide you average values if you
wish.
- If you are in Expert mode, no help is
available.
> In Beginner or Intermediate mode, the
assistance is available only if you have filled
line 3R to let the FMGC know which flap
setting you want to use for takeoff.
TRANS ALT (4L)
This field displays the transition altitude, the
altitude at which you should change from
altitude in feet to flight level by altering the
barometric setting from QNH to STD (1013 hPa
or 29.92 inHg).
By default, this altitude is set to 18000 feet
(written is small characters) because this is
the value that is taken into account by FS. You
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