30 Questions
What is the primary difference between Class 2 EFBs and Class 3 EFBs?
Class 3 EFBs are installed systems, while Class 2 EFBs are portable
What is a feature of the Display Unit (DU) of a Class 3 EFB system?
A touchscreen interface
What is the purpose of the Cursor Control Device (CCD) in a Class 3 EFB system?
To input data into the EFB system
What type of display is used in the Display Unit (DU) of a Class 3 EFB system?
ActiveMatrix Liquid Crystal Display (AMLCD)
What is a benefit of using a Class 3 EFB system?
Enhancing the quality of information available to the crew
What is a feature of the Electronics Unit (EU) of a Class 3 EFB system?
It is responsible for processing data and graphics
What is the primary function of the CIDS Director?
To control and display cabin functions for passengers and crew
What is the purpose of the crosstalk bus in the CIDS system?
To check the results of the two directors and ensure correctness
What is the function of the Onboard Replacement Module (OBRM)?
To store software for the current cabin layout and equipment properties
What is the purpose of having two identical CIDS Directors?
To provide redundancy to the system
What is the function of the Data links in the CIDS system?
To interface with other system components
What is the role of the decoder/encoder units in the CIDS system?
To decode and encode cabin functions
How are calls from the cockpit initiated?
From the CALLS panel
What is the purpose of the service interphone system?
For communication during maintenance activities
What is the function of the DIRs and DEUs in the communication system?
To convert analogue to digital and digital to analogue
How does the emergency call or cockpit call affect communications between cabin stations?
It overrides all communications
What is required for the service interphone system to be available?
Landing gear down and locked
Where are the service interphone jacks located?
In the major service areas
What is a key benefit of the CIDS design?
It reduces the need for complex and time-expensive hardware changes.
What is the purpose of the access code in the CIDS cabin layout selection function?
To restrict access to authorized personnel.
How can the configuration of cabin zones be changed?
Through a dedicated programming page on the FAP.
What is the purpose of Field Loadable Software (FLS)?
To reconfigure the CIDS system.
Where can the Field Loadable Software (FLS) be loaded?
In both the OBRM of DIRs and the CAM on the FAP using flash memory cards.
What is the purpose of the Built-In Test Equipment (BITE) circuitry?
To detect faults in the connected systems.
What information is provided to passengers via display units mounted on cabin overhead panels or seat mounted?
Real-time video and audio details of the countries along the flight path
What is the main function of the PVIS Processor Unit (Digital Interface Unit or DIU)?
To calculate flight parameters and provide information to passengers
What is the purpose of the data bus interfaces of the PVIS Processor Unit?
To receive data from other systems to calculate flight parameters
What does the PVIS Processor Unit calculate?
The global position, altitude, distance to destination, and outside air temperature
What is the Passenger Information Network installed for?
To provide additional cabin control and monitoring functions to the cabin crew
What data is provided to the PVIS Processor Unit from the Flight Management Guidance and Envelope Computer?
Flight management data
Learn about the classification of Electronic Flight Bags (EFBs) in aviation, including Class 1, 2, and 3 EFBs and their functionalities. Understand the certification requirements and features of each class.
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