29 Questions
What is the primary function of the Multipurpose Disk Drive Unit (MDDU)?
To upload software to the ATSU
What is the purpose of the ATSU?
To process and organize data for display on the DCDU
What is the maximum number of messages that can be stored in the DCDU message file?
29
What happens when an urgent or distress message is received?
It is automatically displayed on the DCDU
What is the function of the ARINC 429 high-speed bus?
To transmit data from the ATSU to the DCDU
What is displayed on the DCDU when the message file reaches its capacity?
The amber message 'file full'
What information does the ATIMS system send to the CMCs?
The part number and software number of each component
What is the purpose of acquiring A/C configuration parameters from the CMC?
To determine if any optional systems are installed on the aircraft
What is the role of the ATSU in exchanging data messages for AOC remote application?
It acts as a router
What is the function of the MCDUs in the ATIMS system?
To provide aircrew access to ATC system pages
How many FMCs are used in the ATIMS system?
Two
What information is acquired by the FMGEC from the ATSU?
Origin/destination airports, flight numbers, and fuel quantity
What is the function of the Landing Gear Control Interface Unit (LGCIU) in relation to the ATSU?
To determine whether the aircraft is on the ground or in flight
What is the purpose of the ATSU in relation to the cabin terminals?
To act as an ACARS router
What is the main concept that the ATIMS system is based on?
Communication Navigation and Surveillance (CNS)
What type of messages are hosted in the cabin terminals?
ARINC 619
What is the function of the ATSU in relation to the printer?
To acquire printer status
What is the function of the ATIMS system in relation to air traffic and airline operations?
To provide air traffic control and airline operational control
What is the primary purpose of FANS in air traffic control?
To improve ATC routings and reduce separations between aircraft
What is the frequency of automatic surveillance reports transmitted by FANS-equipped aircraft?
At least every one to five minutes
What is the primary source of position information for FANS-equipped aircraft?
The Global Positioning System (GPS)
What is a benefit of digital data communication between flight crews and air traffic controllers?
It reduces the possibility of error and allows for more efficient routings
What is a factor considered by FANS in improving ATC routings?
Both overall traffic and ATC restrictions or constraints
What type of information is displayed on the in-flight entertainment system?
Flight status and aircraft position
Which system provides real-time video and audio details of the countries along the flight path?
PVIS
What type of data is uploaded or downloaded through the Multi-purpose Disk Drive Unit (MDDU)?
Flight data
Which system interfaces with the PVIS to provide passengers with flight status and aircraft position data?
FMGEC and ADIRS
What is the purpose of the airshow displays provided by the PVIS?
To show maps with the aircraft flight course
Who is the targeted audience for the maintenance information displayed on the Aeroplane Maintenance Information system?
Line maintenance, hangar maintenance, and engineering staff
This quiz covers the Aircraft Traffic Service Unit (ATSU) and Data Control and Display Unit (DCDU) in aircraft systems, including their functions and interactions.
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