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Questions and Answers
What colour indicates turbulence under JAR-25 colour code rules for Electronic Flight Instrument Systems (EFIS)?
What colour indicates turbulence under JAR-25 colour code rules for Electronic Flight Instrument Systems (EFIS)?
- Flashing red
- White or magenta (correct)
- High colour gradient
- Magenta
In an Electronic Flight Instrument System (EFIS), what do features displayed in green signify under JAR-25 colour code rules?
In an Electronic Flight Instrument System (EFIS), what do features displayed in green signify under JAR-25 colour code rules?
- The earth
- Cautions, abnormal sources
- The ILS deviation point
- Engaged modes (correct)
Under JAR-25 colour code rules, what colour is a selected heading represented as in an EFIS?
Under JAR-25 colour code rules, what colour is a selected heading represented as in an EFIS?
- Yellow
- White
- Green
- Magenta (correct)
What is the JAR OPS colour for a selected heading?
What is the JAR OPS colour for a selected heading?
What do features displayed in cyan/blue indicate in an Electronic Flight Instrument System (EFIS)?
What do features displayed in cyan/blue indicate in an Electronic Flight Instrument System (EFIS)?
How are increasing intensities of precipitation coloured in EFIS under JAR-25 colour code rules?
How are increasing intensities of precipitation coloured in EFIS under JAR-25 colour code rules?
Which components update positions on a Flight Management Computer?
Which components update positions on a Flight Management Computer?
Which colour is recommended in JAR OPS for armed AFCS modes?
Which colour is recommended in JAR OPS for armed AFCS modes?
Which colours are typically displayed for current data and values on an EFIS?
Which colours are typically displayed for current data and values on an EFIS?
What does the amber/yellow colour indicate under JAR-25 rules?
What does the amber/yellow colour indicate under JAR-25 rules?
How is turbulence represented on an EFIS?
How is turbulence represented on an EFIS?
Which of the following describes the accuracy requirement for basic RNAV?
Which of the following describes the accuracy requirement for basic RNAV?
What wavelength corresponds to a frequency of 35294 MHz?
What wavelength corresponds to a frequency of 35294 MHz?
What color is typically used for selected data and values on an EFIS?
What color is typically used for selected data and values on an EFIS?
Which describes the limits of the VHF band?
Which describes the limits of the VHF band?
What colour represents the active route according to JAR OPS 1 recommendations?
What colour represents the active route according to JAR OPS 1 recommendations?
Under the area navigation (RNAV) definition, which statement is correct?
Under the area navigation (RNAV) definition, which statement is correct?
What does attenuation of a radio wave refer to?
What does attenuation of a radio wave refer to?
What is the period of validity of the navigational database for a Flight DATA Storage Unit?
What is the period of validity of the navigational database for a Flight DATA Storage Unit?
To increase the maximum theoretical range of a pulse radar system, which option should be taken?
To increase the maximum theoretical range of a pulse radar system, which option should be taken?
What level of track-keeping accuracy is required for Precision RNAV (P-RNAV)?
What level of track-keeping accuracy is required for Precision RNAV (P-RNAV)?
Which function is performed by the computer in a basic RNAV system?
Which function is performed by the computer in a basic RNAV system?
Which combination of navigation systems provides the greatest accuracy in an RNAV system?
Which combination of navigation systems provides the greatest accuracy in an RNAV system?
What is the accepted accuracy of PRNAV?
What is the accepted accuracy of PRNAV?
On a 5 dot HSI in the RNAV approach mode (APR RNAV), what does each dot indicate?
On a 5 dot HSI in the RNAV approach mode (APR RNAV), what does each dot indicate?
In an RNAV system, which combination of external references provides the most accurate positioning?
In an RNAV system, which combination of external references provides the most accurate positioning?
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Study Notes
JAR-25 Colour Code Rules for EFIS
- Turbulence is displayed in white or magenta.
- Engaged modes are indicated in green on an EFIS.
- A selected heading is highlighted in magenta.
- The selected heading in JAR OPS is shown in magenta.
- Features displayed in cyan/blue represent the sky.
- Increasing intensity of precipitation is indicated as: green, amber/yellow, red, magenta.
- Current data and values appear in white.
JAR OPS Colour Recommendations
- Armed AFCS (Automatic Flight Control System) modes are represented in white.
- The active route is marked in magenta.
- Downpath waypoints are shown in white.
Navigation Techniques
- RNAV (Area Navigation) allows operation on any flight path within coverage of station-referenced aids or within limits of self-contained aids.
- Basic RNAV demands track-keeping accuracy of ±5 NM for 95% of flight time.
- Precision RNAV (P-RNAV) requires accuracy of ±1.0 NM for 95% of flight time.
Radio Wave and Frequency
- Attenuation of a radio wave refers to the reduction of its power due to absorption, scattering, or spreading.
- VHF band operates within the range of 30 – 300 MHz.
Radar Systems and Range
- To enhance the theoretical maximum range of a pulse radar system, reduce the Pulse Repetition Frequency (PRF) and increase power.
Accuracy and System Reference in RNAV
- A DME/DME configuration provides the best accuracy in an RNAV system.
- The accepted accuracy for P-RNAV is 1 NM.
- A 5-dot HSI in RNAV approach mode corresponds to 0.25 NM per dot.
- The most accurate RNAV position is achieved using Rho/Rho external references.
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