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of this dial is used to set the current QNH, above the transition
altitude set pressure to 29.92 inch Hg)
4. The top part of this dial is set by turning knob number 5 and
shows the selected cabin altitude during the cruise. The small
numbers show the cruising altitude in 1000 ft steps, the large
numbers on the dial show the corresponding cabin altitude
(also in 1000 ft steps). We will be cruising at FL220 so turn the
dial so the white line crosses the 22 on the small dial which
corresponds to a cabin altitude of 1500ft
5. Knob to set the cruise cabin altitude
6. Used to set the QNH for the cabin altitude controller, on the
ground set to the local QNH, when crossing the transition
altitude, set to 1013.25 MB or 29.92 inch Hg
7. Knob to set the cabin vertical speed. Default setting is 400fpm,
maximum is 2000 fpm
SimCheck Airbus A300B4-200
Aerosoft GmbH 2010
22
Preparation Checklist
START-UP AND PUSHBACK
APU START (FUEL PANEL SHIFT-7 OR 7)
We’ll perform an engine start using APU bleed air.
Open the fuel panel, the APU subpanel is located
to the right of the fuel gauges. Set the master
switch to ON, turn the fuel pump ON and set the
control system switch to NORM.
Then press the START button. APU start is
completely automatic and takes approximately 1
minute. You will first notice an increase in the N2
and a decrease in oil quantity as the oil gets
pumped round the APU. Next the EGT will start
to rise and N1 goes up. The APU uses fuel from
the left tanks.
Once the APU is
up and running
we can switch the electrics supply to
the APU. The pneumatics supply has
switched to the APU automatically as
this was setup earlier on by the
previous crew.
We don’t need the ground power
supply anymore so we will cancel that through the set-up panel.
23
SPEED BUG SETTINGS
Start by setting the speed bugs for the take-off. We
have included a hidden click zone on the airspeed
indicator, to automatically set the speed bugs. The
V-speeds are based on the current weight of the
aircraft and the flap settings.
The default settings are based on a 8 slat – 0 flap
setting. To be sure the correct weight is used, start by
clicking the hidden total weight button on the weight
indicator on the main panel.
N1 Computer Setup
Move on to the N1 computer to select TO or
FLX TO thrust setting. The N1 computer is part
of the captain subpanel that can be opened by
clicking the hidden click spot over the left
reverse thrust indicator.
To save fuel and to extend engine life you
should try to sue FLX TO when possible, as
general rule, set the assumed take-off temperature
that will yield an N1 limit of approximately
101-108%. For our current take-off weight
and the long runway in Brussels, we will use an
assumed temperature of 40°C which results in a take-off N1 of
101.4%.
For take-off weight over 345 000 lbs or for short runway, use TO
instead of FLX TO.
Close the captain pop-up panel again.
SimCheck Airbus A300B4-200
Aerosoft GmbH 2010
24
Final Checks
Once start-up clearance has been obtained,
we turn on the beacon light on the overhead
panel, this notifies everyone that we are about
to start up the engines.
Check that the parking brake is set and
enough pressure remains in the yellow accu
system (throttle quadrant).
Open the doors subpanel and depress the
TEST button to make sure all the
doors are closed and indicator lights
stay OFF and the DOORS warning
light goes on on the MWP.
On the fuel panel set TANK 1A and
2A PUMPS switches to ON, set TANK
1 and 2 PUMPS switches to AUTO,
set CTR TANK PUMPS switches to
SHUT as we don’t have any fuel
loaded in this tank.
On the pneumatics page close the pack vales to avoid contaminated
air flowing into the cabin after engine start.
25
BEFORE PUSHBACK OR
START checklist
ENGINE START
Normally engine 2 is started first (right hand
side). Open the overhead panel, the engine
start panel is situated in the middle of the
overhead panel.
Set the start arm switch to ARM, this will open
the start valves (lights go on for approximately
3 seconds). Turn the ENG START switch to START A or B (use alternating
systems between flights).
Check with the ground crew that you can start the engines and pull
the ENG 2 start button (yellow/shiny button) by left clicking the
button.
Close the overhead panel and open the throttle panel. When the right
engine N2 hits 20% switch on the number 2 fuel switch. Repeat the
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