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CPL Test Series
Question Bank
Questions for VOR
Answer the following questions
Test Mode
Training Mode
1. An aircraft is attempting to home to a VOR beacon. The pilot has set 329 on the OBS of the deviation indicator. If the aircraft is situated on the 152 radial then the deviation indicator will show
one and a half dots fly right.
three dots fly left.
one and a half dots fly left
three dots fly right
2.
An aircraft bears 175°(M) from a VOR. If the aircraft OBS is set to 002 and its heading is 359°(M) which diagram below represents the aircraft VOR/ILS deviation indicator? (assume 1 dot = 2°)
B
D
C
A
3. A VOR receiver in an aircraft measures the phase difference from a DVOR as 220°. Which radial is the aircraft on?
220
040
140
320
4. An aircraft is on the airway boundary range 100 nm from a VOR marking the airway centre line. Assuming that each dot equates to 2° how many dots deviation will be shown on the deviation indicator?
1.5 dots
3.0 dots
2.5 dots
2.0 dots
5. Concerning conventional and Doppler VORs (DVOR), which of the following is correct?
There is no way of knowing from the instrumentation display which type is being used.
The conventional VOR has less site error.
The DVOR will always have a “D” in the ident
The DVOR has a higher pitch ident than the standard VOR.
6.
An aircraft is tracking away from a VOR on the 050 radial with 10° starboard drift. An NDB lies to the east of the VOR. Which of the RMIs illustrated below shows the aircraft when it is obtaining a relative bearing of 100° from the NDB?
A
B
C
D
7. In a Doppler VOR (DVOR) the reference signal is _________, the bearing signal is _________ and the direction of rotation of the bearing signal is _________:
FM, AM, clockwise.
AM, FM, clockwise.
AM, FM, anti-clockwise.
FM, AM, anti-clockwise.
8. An aircraft wishes to track towards a VOR along the 274 radial. If variation is 10° W what should be set on the OBS?
274
094
264
084
9. What is the theoretical maximum range that a pilot would obtain from a VOR situated 900 feet above mean sea level in an aircraft flying at 18,000 feet?
168nm
205nm
188nm
250nm
10. Assuming the maximum likely error in VOR to be 5.5°, what is the maximum distance apart that beacons can be situated on the centre line of a UK airway in order that an aircraft can guarantee remaining within the airway boundary?
54.5 nm
109 nm
66 nm
132 nm
11. The Designated Operational Coverage quoted for VOR beacons in the COMM section of the Air Pilot
Defines the airspace within which an aircraft is assured of protection from interference from other VORs on the same channel.
Is only applicable by day.
Guarantees a Protection Ratio of at least 3 to 1 by day and night.
Is determined by the type of surface over which the signal will have to travel.
12.
An aircraft is tracking away from a VOR on the 150 radial with 10° starboard drift. An NDB lies to the South of the VOR. Which of the RMIs illustrated below shows the aircraft when it is obtaining a relative bearing of 100° from the NDB?
C
A
B
D
13. The RMI indicates the aircraft magnetic heading. To convert the RMI bearings of NDBs and VORs to true bearings, the correct combination for the application of magnetic variation is
NDB aircraft position VOR beacon position
NDB beacon position VOR aircraft position
NDB beacon position VOR beacon position
NDB aircraft position VOR aircraft position
14. An aircraft is required to intercept and home to a VOR along the 064 Radial. The OBS should be set to
244 to get correct needle sense and a TO indication
064 to get correct needle sense and a TO indication
244 to get correct needle sense and a FROM indication
064 to get correct needle sense and a FROM indication.
15.
The VOR in an aircraft is correctly tuned and set to define the centre line of an airway within UK airspace which you intend to fly. The indication received on the VOR/ILS deviation indicator is shown below. At the same time the DME gave a range of 90nm from the facility. At the time of the observation, the aircraft's radial and distance from the airway centre-line were:
242 radial 6 nm
074 radial 6 nm
062 radial 9 nm
254 radial 9 nm
16. An aircraft is homing towards a VOR which marks the centre line of an airway. The beacon is 100 nms distant. If the pilot had the airway QDM set on the OBS what deflection of the deviation indicator would be given if the aircraft was on the boundary of the airway? Assume that one dot equals 2 degrees.
2.5 dots
3 dots
2 dots
1.5 dots
17. What is the theoretical maximum range that an aircraft at flight level 360 will obtain from a VOR beacon situated at 900 feet above mean sea level?
274 nms
112 nms
255 nms
224 nms
18. The OBS on a deviation indicator is set to 330° and gives a 3 dots fly right demand with FROM indicated. What is the QDM of the aircraft to the station?
324
144
336
156
19. An aircraft is attempting to home to a VOR on the 064 radial. The CDI shows 4 dots fly right with a TO indication. At the same time the co-located DME shows a range of 45 nm. Where is the aircraft in relation to the required track?
3 nm left of track.
6 nm right of track
6 nm left of track.
3 nm right of track.
20.
Both the VOR and the ADF in an aircraft are correctly tuned and identified. The indications from both are shown on the RMI illustrated. Use the information to answer the following: The information given on the RMI indicates:
that the aircraft is heading 330°(M), is on the 130° radial from the VOR, and bears 230°(M) from the NDB.
that the aircraft is heading 330°(M), is on the 130° radial from the VOR, and bears 050°(M) from the NDB.
that the aircraft is heading 330°(M), is on the 310° radial from the VOR, and bears 050° from the NDB.
that the aircraft is heading 033°(M), is on the 310° radial from the VOR, and bears 050°(M) from the NDB.
21. The type of emission radiated by a VOR beacon is
A VHF carrier wave with a 90 Hz frequency modulation and a 150 Hz amplitude modulation.
A double channel VHF carrier with one channel being amplitude modulated and the second channel being frequency modulated.
A single channel VHF carrier wave amplitude modulated at 30 Hz with a sub carrier being frequency modulated at 30 Hz.
A VHF pulse modulated emission with a pulse repetition frequency of 30 pps
22. What is the approximate maximum range that an aircraft flying at 25000' would expect to obtain from a VOR beacon situated 900' above mean sea level?
220nm
100nm
198nm
235nm
23. The VOR indications on an RMI whose deviation is not zero
are magnetic.
are compass
are relative.
must have deviation applied before being used
24.
An aircraft is tracking away from VOR “A” on the 310° radial with 8° starboard drift; NDB “X” is north of “A”. Which diagram below illustrates the RMI when the aircraft is on its present track with a QDR from “X” of 270°?
A
D
C
B
25. Assuming the maximum likely error in VOR to be 5°, what is the maximum distance apart that beacons can be situated on the centre line of a UK airway in order that an aircraft can guarantee remaining within the airway boundary?
60nm
100nm
120nm
150nm
26. AN aircraft, heading 150°, is 100 nm north of a VOR, the pilot intends to home to the VOR on the 030 radial. The pilot should set ….. on the OBS and on reaching the 030 radial should turn ….. onto a heading of ….., assuming zero wind.
030 right 210
210 right 210
150 left 210
210 left 030
27. A Conventional VOR
has an AM reference signal and an FM variable signal.
has a 150Hz reference signal and a 90Hz variable signal
has an FM reference signal and an AM variable signal
has an AM reference signal and a 150 Hz variable signal
28. An aircraft is tracking away from a VOR on a heading of 287°M with 14° starboard drift. If the variation is 6°W what is the phase difference between the reference and variable phase components of the VOR transmission?
295°
301°
121°
315°
29. A VOR beacon ceases to transmit its normal identification which is substituted by ‘TST'. This means that
This is a temporary short range transmission and will have approximately half its normal range.
The beacon is undergoing maintenance or calibration and should not be used.
The beacon is under test and pilots using it should report its accuracy to air traffic control.
The beacon may be used providing that extreme caution is used.
30. What is the theoretical maximum range that an aircraft at flight level 420 will obtain from a VOR beacon situated at 400 feet above mean sea level?
256 nm
225 nm
257 nm
281 nm
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