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WorksheetsRNAV EXAM 30/10/18
Total questions: 66
Worksheet time: 1hrs 22mins
The skip distance of HF-transmission will increase with:
Higher frequency and lower position of the reflecting ionospheric layer.
Lower frequency and higher position of the reflecting ionospheric layer.
Higher frequency and higher position of the reflecting ionospheric layer.
Lower frequency and lower position of the reflecting ionospheric layer.
When an operator increases the range on a radar-display, in general
Both the PRF and the pulse length increase
The PRF becomes higher and the pulse length smaller
Both the PRF and the pulse length decrease
The PRF becomes lower and the pulse length larger
VDF is the abbreviation for:
Very High Frequency Deviation Finding Station
VDF Direction Finder
Very Direct Finder
VHF Direction Finder
In an ILS system, concerning the Glide Path principle of operation, the difference in depth of modulation (DDM):
1. Decrease with angular displacement below the Glide Path.
2. Increase with angular displacement above the Glide Path.
3. Decrease with angular displacement above the Glide Path.
4. Increase with angular displacement below the Glide Path.
The combination regrouping all the correct statements is:
2 and 3.
1 and 4.
1 and 3.
2 and 4.
What is the colour sequence when passing over an Outer, Middle and Inner Marker beacon?
Amber - White - Green
Blue - Green - White
Blue - Amber - White
White - Amber - Blue
What is true about the FMC databases
The navigation database contains the company's cost index strategy
The data includes SIDs, STARS and runway approaches.
The data can not be customized for the specific airline operations.
Performance database contains aeronautical information for the planned area of operations of the aircraft.
Concerning the wave propagation in the ionosphere, we denote three layers. Those three layers are
D, E and F layers and their depth does not vary with time
D, E and F layers and their depth varies with time
A, C and E layers with equal depth
A, B and C layers and their depth varies with time
In which frequency band does an ILS glide slope transmit?
EHF
SHF
UHF
VHF
Select the correct grouping that reflects the Satelite Based Augmentation Systems (SBAS) currently in use.
EGNOS, WAAS, GAGAN, MSAS.
GALILEO, EGNOS, WADGPS, NAVSTAR
MSAS, GAGAN, GALILEO, WAAS.
NAVSTAR, WAAS, INDIAN INSS, GALILEO
An aircraft at FL 340 is tracking towards a DME with a 250 kt ground speed. What range and ground speed will be indicated 2 minute before flying overhead?
6nm <250kt
7nm <250kt
5nm <250kt
7nm>250kt
The maximum range that an aircraft at FL80 could expect to detect a signal from a VOR at an elevation of 313 m above sea level is:
100 NM
122 NM
149 NM
158 NM
Refer to image
An aircraft is flying on a MH of 210°. The Magnetic Variation at the VOR is 5°W and at the aircraft 10°W. Which VOR-RMI corresponds to the indications on the CDI shown on the Annex?
Figure C
Figure D
Figure A
Figure B
What type of antenna(s) must be used to obtain an ADF bearing?
Radome
Loop and Sense
Loop
Sense
A TCAS II equiped aircraft will have Mode S because:
True altitude is obtained from Mode S.
The datalink is required to co-ordinate evasive manoeuvres.
Mode S transmits a 3D position.
The data link is required to transmit relative position.
The reason why the measured distance between a NAVSTAR/GPS satellite and a receiver is called a 'Pseudo-Range' is because the:
Calculated range includes receiver clock error
Measured distance is based on the Pseudo Random Noise code
Calculated range is based on an idealised Keplerian orbit
Movement of satellite and receiver during the distance calculation is not taken into account
Which frequency corresponds to a wavelenght of 8.25m
36.36Mhz
3663mhz
3.63mhz
363.3mhz
A DME station is located 1000ft above MSL. An Aircraft flying at FL370 in ISA conditions which is 15nm away from the DME will have a DME reading of ?
16nm
17nm
18nm
19nm
A ground radar transmitting at a pulse recurrence frequency (PRF) OF 1200 pulses per second will have a maximum unimbiguous target and range of approx?
67.5km
67.5nm
27km
270nm
The ILS receiver of an aircraft flying down the exact runway centreline will receive:
The maximum magnitude of the difference between the 90 Hz and 150 Hz amplitudes.
90 Hz and 150 Hz lobes at equal depth.
The same frequency modulated signal from both lobes with the maximum of magnitude.
No modulated signal because the left and the right lobes cancel each other along the centerline.
The VHF Omnirange (VOR) uses the following wavelengths:
Decimetric
Hectometric
Centimetric
Metric
Refer to image
An aircraft is flying on a MH of 010°. The Magnetic Variation at the VOR is 10°W and at the aircraft 12°W. Which VOR-RMI corresponds to the indications on the CDI shown on the Annex?
Figure A
Figure A
Figure C
Figure D
Refer to image.
An aircraft is flying on the 170 radial with a MH of 315º. On the CDI the CRS is set to 180. Which CDI shows the correct indications?
Figure A
Figure C
Figure B
Figure D
An electromagnetic wave consists of an oscillating electric field (E) and an oscillating magnetic field (H). Which statement is correct?
A dipole antenna can only transmit field (H)
The E and H fields are perpendicular to each other
When AC current passes through the antenna, fields E and H are parallel
The H field is parallel to the wire and the field E is perpendicular to the wire
HF "Volmet" broadcasts meteorological information for aircraft in flight by using HF radio transmissions. The characteristics of the HF signal are that:
the carrier wave is amplitude modulated with a fixed modulation depth
the carrier wave is frequency modulated with a modulation index of 16
the carrier wave is frequency modulated and only one of the two sidebands is transmitted (single sideband transmission)
the carrier wave is amplitude modulated and only one of the two sidebands is transmitted (single sideband transmission)
Complete the following statement: a signal of wavelength 711 m is transmitted in the (1) band and it propagates by using the (2) wave path.
Which combination of answers states the correct answers for (1) and (2)?
(1) MF (2) ground
(1) LF (2) space
(1) VHF (2) direct
(1) HF (2) sky
The phenomenon of a change in direction of an EM-wave occuring at an interface between two different media, so that the wave returns into the medium from which it originated, is called?
Reflection
Diffraction
Interference
Refraction
In aviation electronic systems the so-called Doppler principle may be used in:
VOR, DME and ILS
VOR, MTI and the mapping mode of AWR
VOR, DME and GPS
VOR, GPS and MTS and the turbulence mode of AWR
What is meant by keying A1A modulation?
Interrupting the modulating signal to break it into dots and dashes
Interrupting the carrier wave to break it into dots and dashes
Changing the amplitude of the carrier wave to add information
Adding information on the carrier wave by use of modulating signal
In order to ascertain whether a cloud return on an Aircraft Weather Radar (AWR) is at or above the height of the aircraft, the tilt control should be set to:
(Assume a beam width of 5°)
0°
2.5° up
2.5° down
5° down
Which of the following is a complete list of airborne weather radar antenna stabilisation axes?
Roll and yaw
Roll, pitch and yaw
Roll and pitch
Pitch and yaw
When an aircraft is operating its Secondary Surveillance Radar in Mode C an air traffic controller's presentation gives information regarding the aircraft's indicated pressure altitude in increments of:
250 ft
100 ft
200 ft
150 ft
Autotilt on a modern radar is used when?
to tilt downward on the ground.
Change of attitude
to track areas of greatest precipitation
Change of altitude
The allocation of 24-bit aircraft addresses is described in ICAO annex 10, it states that:
Civil aircraft will have been allocated with an ICAO Aircraft Address which is hard coded into the airframe
Military aircraft will have been allocated with an ICAO Aircraft Address which is hard coded into the airframe
Every aircraft will have been allocated with a NATO Aircraft Address which is hard coded into the airframe
Every aircraft will have been allocated with an ICAO Aircraft Address which is hard coded into the airframe
Flag Question
In the Flight Management Computer (FMC) of the Flight Management System (FMS), data relating to aircraft flight envelope computations is stored in the:
Navigation database
Performance database
Auto flight computers
Air data computer
The track-line on the Electronic Horizontal Situation Indicator (EHSI) or Navigation Display of an Electronic Flight Instrument System:
Indicates that the pilot has made a manual track selection
Represents the track of the aircraft over the ground. When it co-incides with the desired track, wind influence is compensated for
Indicates to the pilot that a manually selected heading is being flown
Corresponds to the calculated IRS TH and is correct during turns
Which statement about RNAV-routes is correct?
A method of navigation which permIts aircraft operation on any desired flight path.
All waypoints of RNAV-routes are called phantom stations
RNAV-routes are only used in terminal areas in order to make more efficient use of the approach and landing facilities of an airport
In general RNAV-routes coincide with standard routes in order to make optimum use of the available VOR/DME-stations
Refer to image
Which of the figures depicts an Electronic Flight Instrument System (EFIS) display in Expanded (EXP) VOR/ILS mode with an VOR frequency selected?
Figure 6
Figure 4
Figure 1
Figure 5
In which of the following cases would ETOs and ETA at destination calculated by the Flight Management Computer (FMC) be correct?
When the FMC computes each ETO and ETA using the correct GS
When the FMC positions and GS are accurate
When the actual winds match the forecast winds, and the actual cruising Mach number is equal to the FMC calculated Mach number
When the ETOs and ETA are based on the forecast winds calculated from the actual take-off time
When entering and using a phantom waypoint in area navigation equipment, you:
The referenced station must be positively identified by at least 1 pilot
Don't need to be in range of the referenced station to enter or use it
You must be in range of the referenced station to enter or use it
You don't need to be within range of the referenced station to enter the waypoint, but you must be to use it
Refer to image
Which of the figures depicts an Electronic Flight Instrument System (EFIS) display in MAP mode?
Figure 5
Figure 4
Figure 3
Figure 2
What is the heading bug selected to?
300°(M)
272°(M)
260°(M)
280°(M)
An aircraft is flying at FL 150 with a modern EADI display. Which of the following is not displayed?
Heading & Track
Pressure altitude
Radio Height
Attitude
Under CS-25 colour code rules, features displayed in red on an Electronic Flight Instrument System (EFIS), indicate:
Cautions and abnormal sources; engaged modes
Flight envelope and system limits; engaged modes
Warnings; flight envelope and system limits
Warnings; cautions and abnormal sources
Which component of the B737-400 Electronic Flight Instrument System generates the visual displays on the EADI and EHSI?
Flight Control Computer
Flight Management Computer
Symbol Generator
Navigation database
Refer to image
What drift is being experienced?
20° Right
20° Left
12° Right
8° Left
According to the ILS coverage area as defined by ICAO Annex 10, in which of the following situations will the pilot be guaranteed a reliable signal from the localiser?
27 NM from touchdown inbound and 8º displaced from the localiser centreline
10 NM from touchdown inbound and 14º displaced from the localiser centreline
19 NM from touchdown inbound and 13º displaced from the localiser centreline
20 NM from touchdown inbound and 8º displaced from the localiser centreline
The frequency range of a VOR receiver is:
108 to 119.95 MHz
118 to 135.95 MHz
108 to 135.95 MH
108 to 117.95 MHz
What is the maximum distance between VOR and DME/TACAN ground installations if they are to have the same morse code identifier?
2000 m
600 m
300 m
60 m
Microwave Landing Systems (MLS) allow the aircraft to fix its position accurately in three dimensions by means of:
Information from four satellites transmitting microwaves
Timing the interval between pulses in azimuth and elevation and timing the delay for pulses to reach the aircraft to define range
Directional aerials and DME
Timing the passage of two scanning beams integrated with DME
An aircraft wishes to use PAMPLONA VOR/DME which shows on a chart as co-located, ident PPN, frequency 112.30 MHz. If the aircraft is within range and the VHF frequency suitably tuned which of the following statements is true?
No slant range will be provided because only the VHF VOR frequency can be tuned
No slant range will be provided because the UHF DME frequency needs to be entered separately.
Slant range will be provided because tuning the VHF frequency automatically includes the UHF frequency of the DME
Slant range will be provided because both VOR and DME operate on the VHF frequency.
What approximate Rate of Descent is required in order to maintain a 3° Glide Path at a Ground Speed of 90 kt?
600 ft/min
700 ft/min
400 ft/min
450 ft/min
Which statement is correct for homing towards an NDB in an area with constant wind and constant Magnetic Variation?
The Relative Bearing of the NDB should be equal to the QDM
The Relative Bearing of the NDB should be kept 000°
The Relative Bearing of the NDB should be equal (in magnitude and sign) to the applied Wind Correction Angle
The Relative Bearing of the NDB should be equal (in magnitude and sign) to the experienced Drift Angle
If the reference phase differs 30° with the variable phase the radial from the VOR station will be :
210°
030°
150°
330°
(Refer to image)
An aircraft is tracking the 255° radial inbound to VOR X. With 15 ° Port Drift, which of the following indications will be correct when crossing the 121° radial from VOR Y?
(d)
(c)
(b)
(a)
Your QUJ is 335° by VDF. The variation of a VOR at the same location is 12°W. What is the phase difference between the reference and variable phase signals being received at the aircraft from that VOR?
167°
323°
143°
347°
Which of the following components of the ILS are protected from interference by the FM-Immunity filters in NAV equipment?
Localiser only
Glidepath and DME
Localiser and Glidepath
Glidepath only
Which statement about VHF/UHF Frequencies is correct?
Neither VHF/UHF has a sky wave under any conditions. For VHF the surface wave is the main propagation path and for UHF the space wave
VHF has, under normal conditions, a sky wave whereas UHF has not. For both VHF/UHF propagation the space wave is the main propagation path
VHF frequencies below 120 MHz may be subjected to sporadic E-reflections and then have sky wave. For both VHF/UHF the sky wave is the main propagation path of practical use
For both VHF/UHF propagation, the space wave is the only propagation path of practial use. There is no sky wave under normal conditions
A reason that GPS satellites use helical antennae is:
That the signal has a circular polarization
To neutralize the ionospheric delay
To achieve better omni directional receiving qualities
To improve the signal to noise ratio
Satellite corrections in the Navigation message are used to correct:
satellite time
receiver time
atmospheric distortion
satellite and receiver time
When referring to the European Galileo global positioning system which of the answers is true?
It consists of 24 satellites, in 4 planes in a near circular orbit at an altitude of 19 222 km inclinded at 56o
It consists of 30 satellites, in 3 planes in a near circular orbit at an altitude of 23 222 km inclinded at 56o
It consists of 24 satellites, in 4 planes in a near circular orbit at an altitude of 23 222 km inclinded at 65o
It consists of 30 satellites, in 3 planes in a near circular orbit at an altitude of 23 222 km inclinded at 65o
What is the deviation per dot on the HSI when using an EFIS 2-dot RNAV system in the EN ROUTE (ENR) mode?
5 NM
2 NM
1 NM
10 NM
The maximum range obtainable from an ATC En-Route Surveillance Radar is approximately:
100-200 NM
300-400 NM
50-100 NM
200-300 NM
What is the advantage of an SSR with Selective Addressing over PSR?
SSR Secondary Surveillance Radar
PSR Primary Surveillance Radar
Unambiguous aircraft identification
In the event of an SSR failure, it can act as PSR
No interaction with the air or space segment.
Range does not depend on transmitter power.
The "gain" control knob of an AWR adjusts:
The brightness of the display.
The receiver sensitivity in order to achieve optimum target acquisition.
The power level of the transmitted energy is made dependent on the selected range.
The automatic gain control of the AWR is activated.
If you are flying a back course ILS, you are flying a:
Precision approach on the precision approach runway
Non precision approach on the reciprocal runway of the precision approach runway
Precision approach on the reciprocal runway of the precision approach runway
Non precision approach on the precision approach end of the runway
When a DME arc is used to guide an aircraft to join a holding procedure which entries are permitted
Sector 1
Sector 2
Sector 1 & 3
Sector 2 & 3
