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runway localizer.
Autoland
In case of lateral wind, the autopilot will have
difficulties to follow the localizer. Real life
pilots say the autoland is NEVER used in case
of lateral wind. The human pilot is much better
than the autopilot to make small and accurate
trajectory changes in order to fly a good ILS
approach. The autoland is perfect for low
visibility approaches, but not for windy ones.
Autothrust usage
Many pilots say you shouldn’t use the autothrust
when flying the aircraft manually. This
is because it may amplify the trajectory
correction (especially in pitch) you make to fly
the aircraft along the glide slope. Other pilots
think the auto-thrust is reactive enough to be
used even when the aircraft is flown manually.
Airbus Series Vol.1
AUTOFLIGHT
AUTOFLIGHT
(c) 2007 Wilco Publishing www.wilcopub.com - www.FeelThere.com 21
You will make your own opinion.
In case of strong wind, you may see the autothrust
is constantly updating the thrust. This
may sound weird, but if you look carefully, this
is the best way to have the aircraft speed
conform to the FCU required selected or
managed speed. In my opinion, the impact of
the wind on the airspeed in FS is not totally
realistic, it is too strong.
Flying the aircraft manually
If you disconnect the auto-pilot to fly the
aircraft manually, many pilots suggest the use
of TRK/FPA mode instead of HDG/V/S mode. In
TRK-FPA, the green flight path vector symbol,
called the "bird", shows the aircraft trajectory
in a way that is easier to understand by a
human pilot :
• on the lateral plan, you can observe the
impact of the lateral wind and see where
the aircraft is really heading,
• on the vertical plan, you see the angle of
descent that allows you to easily fly an
approach visually.
Sidesticks and Rudder Pedals
In the real aircraft, the sidesticks are firmly
held in their center position when an autopilot
is engaged. A strong manual movement of a
sidestick or a rudder pedal input indicates that
the pilot wants to take the control of the
aircraft. It disconnects the autopilot with an
aural warning. This warning indicates it is not
the right way to disconnect the autopilot. This
warning can be stopped by one of the following
actions:
• re-engaging the autopilot through the FCU
pushbutton,
• pressing the sidestick button to confirm
the Autopilot disconnection action.
In Flight Simulator, this feature is simulated by a
strong movement of the joystick or rudder pedal. If
you move the joystick or rudder pedal to an extreme
position, it disconnects the autopilot like in the real
aircraft.
Thrust Levers
The thrust system of this aircraft has four
detents in which the levers can enter. When
the pilot moves the levers, he can feel “hard
points” when they reach one of the detents.
The four detents correspond to four possible
thrust modes:
• IDLE
• CL for Climb
• FLX/MCT for Flex/Maximum Continuous
Thrust
• TOGA for Take off go-around
The thrust levers have two red buttons on the
side, called instinctive buttons. They are used
to disarm the autothrust system.
Simulation of the lever movement in Flight Simulator :
As your throttle control does not have detents, this
is simulated by a sound that is played each time a
lever enters or leaves a detent. When you move your
throttle, pay attention to this sound because it
indicates when the levers have reached a detent. You
can also see the thrust mode indication on the
Engine/Warning Display (E/WD).
The autothrust system works properly if you control
the throttle through the keyboard. Nevertheless, the
use of a throttle device is highly recommended.
Simulation of the instinctive pushbuttons in Flight
Simulator :
The instinctive pushbutton function is mapped on
the FS auto-throttle system. You can map any key or
button to the “Autothrottle arming switch”
command and it will simulate the instinctive
pushbuttons.
When the thrust levers are in the manual
range (not in a detent), the levers command
the engines like any other aircraft : the engine
power is relative to the lever angle.
The levers can be moved in :
• the IDLE detent : the autothrust system is
automatically disconnected and idle power
Airbus Series Vol.1
22 For Microsoft Flight Simulator use only. Not for use in real aviation.
is always applied, unless TOGA LOCK mode
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