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FCOM 19 AUG 10
The ATSU supports uplink and downlink messages.
They may be either automatically or manually handled, with or without information to the crew.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INFORMATION SYSTEM
GENERAL
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FCOM 19 AUG 10
COCKPIT ARRANGMENT
Applicable to: ,
The pilot interface consists of :
‐ The DCDU, to display any up and downlink ATC messages.
‐ The “ATC MSG” pushbuttons, to alert the crew of any ATC uplink arrivals, associated with a
dedicated chime.
‐ The MCDU, to handle the AOC and ATC functions and data transfer with the DCDU.
‐ The PRINTER, to print any type of messages.
‐ The ECAM, for operational information.
The ‐ RMP, to allow frequencies’ tuning.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INFORMATION SYSTEM
GENERAL
Intentionally left blank
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FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INFORMATION SYSTEM
ATSU COMMUNICATION FUNCTION
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FCOM 19 AUG 10
INTRODUCTION
Applicable to:
The ATSU Communication Function manages aircraft to ground communications. This is achieved :
‐ Automatically, without pilot action, or
‐ Manually, using the MCDU pages and/or RMP.
The pilot controls communications from the MCDU’s COMM MENU page.
(*) These fields are customized according to the airline’s AOC programming.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INFORMATION SYSTEM
ATSU COMMUNICATION FUNCTION
A330/A340 FLEET DSC-46-20 P 2/16
FCOM 19 AUG 10
INTRODUCTION
Applicable to: ,
The ATSU Communication Function manages aircraft to ground communications. This is achieved :
‐ Automatically, without pilot action, or
‐ Manually, using the MCDU pages and/or RMP.
The pilot controls communications from the MCDU’s COMM MENU page.
(*) These fields are customized according to the airline’s AOC programming.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INFORMATION SYSTEM
ATSU COMMUNICATION FUNCTION
A330/A340 FLEET DSC-46-20 P 3/16
FCOM 19 AUG 10
DOWNLINK AND UPLINK MESSAGES
Applicable to: ,
DOWNLINK MESSAGES
Aircraft to ground messages (downlink) include : Maintenance, monitoring, operational,
performance and cabin data, and later ATC messages. A report that is generated by a peripheral
system (CMS, ACMS, FMS, CABIN TERMINAL) can be automatically-downlinked by ATSU,
depending on the airline’s AOC programming.
Applicable to:
UPLINK MESSAGES
Ground to aircraft messages (uplink) contain either crew information (wind, for example), or data
to be uploaded into the FMS (Flight plan, for example). Uplinks can also include requests for the
transmission of specific downlink reports.
Messages are indicated (this does not include ATC messages) to the crew by a :
• “COMPANY MSG” memo, in green on the ECAM memo, or
• “COMPANY ALERT” memo, pulsing in green on the ECAM memo, or
• “COMPANY CALL” memo, in green on the ECAM memo, or
• MCDU MENU light comes on, if the MCDU is not in the mode where the uplink message can be
displayed, or
• Hardcopy on the cockpit printer, depending on the airline’s AOC programming.
Note: A steady green “DATALINK STBY” memo is displayed in case of communications loss
between aircraft and ground.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INFORMATION SYSTEM
ATSU COMMUNICATION FUNCTION
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FCOM 19 AUG 10
Depending on the memo displayed on ECAM the uplink message indications are available as in
the following examples :
For a “COMPANY MSG” ‐ or a “COMPANY ALERT” ECAM memo :
On the AOC MENU page, pressing the [1R] key displays the received message and clears the
ECAM memo.
Note: AOC MENU page is customized according to the AOC programming.
‐ For a “COMPANY CALL” ECAM memo :
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INFORMATION SYSTEM
ATSU COMMUNICATION FUNCTION
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FCOM 19 AUG 10
On the MCDU’s COMPANY CALL page :
Pressing the [1R] key clears the COMPANY CALL memo.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INFORMATION SYSTEM
ATSU COMMUNICATION FUNCTION
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