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Questions and Answers
Why was standardization of instruments in the cockpit necessary?
Why was standardization of instruments in the cockpit necessary?
If a system works and shows normal function, it is associated with which color?
If a system works and shows normal function, it is associated with which color?
What do the Primary Flight Display (PFD) and Navigation Display (ND) form?
What do the Primary Flight Display (PFD) and Navigation Display (ND) form?
What is a cockpit layout called where analogue instruments are replaced by digital displays?
What is a cockpit layout called where analogue instruments are replaced by digital displays?
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Apart from standardized arrangements, what else is organized along a standard?
Apart from standardized arrangements, what else is organized along a standard?
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How many numbers comprise the binary system?
How many numbers comprise the binary system?
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What are the main parts of a fiber-optic cable?
What are the main parts of a fiber-optic cable?
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When two glass fibers are connected, what is the term used for this connection?
When two glass fibers are connected, what is the term used for this connection?
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What happens to the liquid crystal layer in a liquid crystal display when a voltage is applied?
What happens to the liquid crystal layer in a liquid crystal display when a voltage is applied?
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What is responsible for producing the picture on the screen of a Cathode Ray Tube (CRT)?
What is responsible for producing the picture on the screen of a Cathode Ray Tube (CRT)?
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What is a common problem associated with liquid crystal displays in aviation?
What is a common problem associated with liquid crystal displays in aviation?
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What is the primary use of CRT screens in aviation?
What is the primary use of CRT screens in aviation?
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How can the accuracy of a GPS system for precision approaches be increased?
How can the accuracy of a GPS system for precision approaches be increased?
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Which of the following is not a part of the Flight Management System (FMS)?
Which of the following is not a part of the Flight Management System (FMS)?
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What does IMA stand for in the context of aircraft systems?
What does IMA stand for in the context of aircraft systems?
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Which system is responsible for adjusting cabin lights, emergency signals, and doors status in an aircraft?
Which system is responsible for adjusting cabin lights, emergency signals, and doors status in an aircraft?
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Which communication tool is used by ATIMS (Air Traffic and Information Management System) for data transmission?
Which communication tool is used by ATIMS (Air Traffic and Information Management System) for data transmission?
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How do Electronic Instrument Systems develop around certain installations like TV and radio transmitters?
How do Electronic Instrument Systems develop around certain installations like TV and radio transmitters?
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What is the standard arrangement of instruments for speed, attitude, altitude, and heading called?
What is the standard arrangement of instruments for speed, attitude, altitude, and heading called?
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What do the Primary Flight Display (PFD) and the Navigation Display (ND) form?
What do the Primary Flight Display (PFD) and the Navigation Display (ND) form?
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Where does the Flight Management System (FMS) mainly display its information?
Where does the Flight Management System (FMS) mainly display its information?
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If a system requires attention, what color is used to indicate it?
If a system requires attention, what color is used to indicate it?
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What information is at least displayed on the Primary Flight Display (PFD)?
What information is at least displayed on the Primary Flight Display (PFD)?
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How many numbers comprise the binary system?
How many numbers comprise the binary system?
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What does a subscripted number 2 on the rear of a number signify?
What does a subscripted number 2 on the rear of a number signify?
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In the sequence 3210, what is the equivalent value?
In the sequence 3210, what is the equivalent value?
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When converting analog into digital data, what is the main factor regarding precision?
When converting analog into digital data, what is the main factor regarding precision?
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What is a 'bus' in computer architecture?
What is a 'bus' in computer architecture?
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In an asynchronous data transmission, how is each character generally handled?
In an asynchronous data transmission, how is each character generally handled?
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What do ARINC 429 bus system data words consist of?
What do ARINC 429 bus system data words consist of?
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Study Notes
Electronic Instrument Systems
- Standardization of instruments in the cockpit was necessary due to the growing complexity of aircraft and the need to fly internationally.
- A system that works and shows normal function is associated with the green color.
- The Primary Flight Display (PFD) and Navigation Display (ND) form the Electronic Flight Information System (EFIS).
- A cockpit layout where analogue instruments are replaced by digital displays is called a Glass Cockpit.
- Apart from arrangements, visual annunciation panel layouts, color for warnings and cautions, and audible alarms like bells and chimes are also standardized.
Numbering Systems
- The binary system comprises only two numbers: 0 and 1.
- A fiber-optic cable consists of Core, Cladding, and Jacket.
- When two strands or two glass fibers are connected, it is called a splice.
Electronic Displays
- In a liquid crystal display, the liquid crystal layer changes its characteristics when a voltage is applied, allowing the crystal to align and polarize the light, consequently passing through the polarization filter.
- The picture on the screen of a Cathode Ray Tube (CRT) is produced by the impact of the accelerated electrons.
- In aviation, liquid crystal displays are highly temperature sensitive.
- The main use for CRT screens in aviation is for displays of the electronic flight information system (EFIS).
Electrostatic Sensitive Devices
- ESD stands for Electrostatic Discharge.
- Electrostatic fields can develop around TV and radio transmitters, radar and satellite communication systems, and broadcasting antennas.
Typical Electronic/Digital Aircraft Systems
- GPS system accuracy can be increased for precision approaches by using differential GPS.
- The Flight Management System (FMS) consists of the flight management computer (FMC), but not the automatic flight control system (AFCS) or the fully authorized digital engine control (FADEC).
- Integrated Modular Avionics (IMA) refers to an airworthy, computer electronic unit consisting of standardized components and interfaces in hardware and software for communication between the various systems in an aircraft.
- The system used for adjusting cabin lights, emergency signals, doors status, etc. is the Cabin Intercommunication Data System (CID).
- ATIMS (Air Traffic and Information Management System) uses the Internet to send and receive data.
Additional Notes
- The standard arrangement of the instruments for speed, attitude, altitude, and heading is called the Basic T.
- If a system requires attention, it is announced with the red color.
- The Primary Flight Display (PFD) shows at least speed, altitude, attitude, and heading.
- The binary system comprises only two numbers: 0 and 1.
- The device that converts analog data to digital data is called an A/D Converter.
- In a synchronous data transmission, several characters are transmitted together in a block.
- A Unit, which receives or transmits data by using the necessary address information in a bus system, is called a Responsive bus.
- In an asynchronous data transmission, every character is transmitted individually and sent with one or two stop bits.
- In an ARINC 429 bus system, every data word consists of 32 bits.
- A correct digital transmission can be ensured by using the same internal clock for transmitter and receiver.
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Description
Test your knowledge on electronic instrument systems in the cockpit with this quiz. Explore the reasons behind the standardization of instruments and their importance in aviation.
