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A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
NAVIGATION
RADIO ALTIMETER - ELECTRICAL SUPPLY
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A318/A319/A320/A321 FLEET DSC-34-40-30 P 2/2
FCOM 19 AUG 10
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
NAVIGATION
ATC - DESCRIPTION
A318/A319/A320/A321 FLEET DSC-34-50-10 P 1/2
FCOM 19 AUG 10
DESCRIPTION
Applicable to:
The aircraft has two ATC transponders. They are controlled from a dual control box that is located on
the center pedestal.
Only the selected ATC transponder operates.
The associated ADIRS (1 for transponder 1, etc ...) provides altitude information for altitude reporting.
In case of a failure, ADIRS 3 can provides altitude information, when selected via the AIR DATA
SWITCHING selector.
DESCRIPTION
Applicable to:
,
,
MSN,,
4538,,
The aircraft has two ATC transponders. They are controlled from a dual control box that is located on
the center pedestal.
Only the selected ATC transponder operates.
The associated ADIRS (1 for transponder 1, etc ...) supplies the altitude for altitude reporting.
The ATC transponder is capable of enhanced surveillance : It transmits the following parameters
upon ground request :
Indicated airspeed, Mach number, and baro vertical speed, that ‐ are all supplied by the ADRs.
‐ Magnetic heading, ground speed, track angle, track angle rate, and inertial vertical speed, that are
all supplied by the IRs.
‐ Selected altitude and barometric reference settings supplied by the FCUs.
In the case of an ADR (1 or 2) failure, ADR 3 replaces the faulty ADR, when the AIR DATA
SWITCHING Selector is set to CAP on 3 or F/O on 3.
IR/FCU parameters are only transmitted to :
‐ ATC 1 by IR 1/FCU 1
‐ ATC 2 by IR 2/FCU 2
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
NAVIGATION
ATC - DESCRIPTION
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A318/A319/A320/A321 FLEET DSC-34-50-10 P 2/2
FCOM 19 AUG 10
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
NAVIGATION
ATC - CONTROLS AND INDICATORS
A318/A319/A320/A321 FLEET DSC-34-50-20 P 1/4
FCOM 19 AUG 10
CONTROL PANEL
Applicable to:
(1) ATC sel
Selects ATC transponder 1 or 2.
(2) Mode sel
STBY : Both ATC transponders are electrically-supplied, but are on standby.
ON : Selected ATC transponder operates in all modes.
AUTO : In flight : Selected ATC transponder operates in all modes.
On ground : Selected ATC transponder only operates in mode S (Selective aircraft
interrogation mode).
(3) ALT RPTG sw
ON : The transponder sends barometric standard altitude data.
OFF : No altitude data transmission. If the TCAS is installed, the upper ECAM
displays "TCAS STBY" in green.
(4) IDENT sw
The flight crew presses this button to send the aircraft identification signal.
(5) Code display
The window displays the selected code.
(6) Keyboard
The flight crew uses these pushbuttons to set the code assigned by ATC.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
NAVIGATION
ATC - CONTROLS AND INDICATORS
A318/A319/A320/A321 FLEET DSC-34-50-20 P 2/4
FCOM 19 AUG 10
(7) CLR pb
The flight crew uses this pushbutton to clear the code display.
Note: As long as the four figures of the new code are not entirely written, the previous code
remains.
(8) ATC FAIL
This light comes on if the selected transponder fails.
CONTROL PANEL
Applicable to: MSN,,,
(1) ATC sel
Selects ATC transponder 1 or 2.
(2) Mode sel
STBY : Both ATC transponders are electrically-supplied, but are on standby.
ON : Selected ATC transponder operates in all modes.
AUTO : In flight : Selected ATC transponder operates in all modes.
On ground : Selected ATC transponder only operates in mode S (Selective aircraft
interrogation mode).
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
NAVIGATION
ATC - CONTROLS AND INDICATORS
A318/A319/A320/A321 FLEET DSC-34-50-20 P 3/4
FCOM 19 AUG 10
(3) ALT RPTG sw
ON : The transponder sends barometric standard altitude data.
OFF : No altitude data transmission. If the TCAS is installed, the upper ECAM
displays "TCAS STBY" in green.
(4) IDENT sw
The flight crew presses this button to send the aircraft identification signal.
(5) Code display
The window displays the code selected.
(6) Code selector knobs
The flight crew uses these knobs to set the code assigned by ATC.
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 4(40)
