VOR – Air – DGCA Question Bank For Politics

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#1. A VOR is sited at position A (45° 00'N, 010°00'E). An aircraft is located at position B (44°00'N, 010°00'E). Assuming that the magnetic variation at A is 10°W and at B is 15°W, the aircraft is on VOR radial:

195°

190°

185°

180°

#2. An RMI indicates aircraft heading. To convert the RMI bearings of NDBs and VORs to true bearings the correct combination for the application of magnetic variation is:

NDB: beacon position. VOR: beacon position.

NDB: beacon position. VOR: aircraft position.

NDB: aircraft position. VOR: beacon position.

NDB: aircraft position. VOR: aircraft position.

#3. An aircraft is flying on the true track 090° towards a VOR station located near the equator where the magnetic variation is 15°E. The variation at the aircraft position is 8°E. The aircraft is on VOR radial?

255°

278°

262°

285°

#4. Given: magnetic heading 280°. VOR radial 090°. What bearing should be selected on the omni-bearing selector in order to centralise the VOR deviation needle with a "TO" indication?

270°

280°

100°

090°

#5. A VOR is sited at position 58°00'N 073°00'W where the magnetic variation equals 32°W. An aircraft is located at position 56°00'N 073°00'W where the magnetic variation equals 28°W. The aircraft is on VOR radial?

208

212

360

180

#6. The principle used in VOR bearing measurement is:

Phase comparison

Envelope matching

Beat frequency discrimination.

Difference in depth of modulation.

#7. A VOR is sited at position A (35°00'N, 020°00'E). An aircraft is located at position B(34°00'N, 020°00'E). Assuming that the magnetic variation at A is 15°W and at B is 20°W, the aircraft is on VOR radial:

195°

175°

185°

180°

#8. A radial is the ......(i) bearing....... (ii) a VOR ground station?

Magnetic TO

Relative From.

Magnetic From.

True from.

#9. Tuned to a VOR station, with OBS needle central, the instrument reads 140 degrees with FROM indicated, Relative to the VOR station the receiver is in the?

Northwest sector.

Northeast or Southeast sector, depending on the heading of the aircraft when the reading is taken.

Southwest sector.

Southeast sector.

#10. The VOR to obtain CDI (course deviation indicator) indications in the correct sense when tracking towards a VOR on radial 255 degrees, the pilot should set on the OBS (Omni bearing selector)?

075 degrees with TO indicated.

235 degrees with FROM indicated.

055 degrees with FROM indicated.

235 degrees with TO indicated.

#11. In order to obtain CDI (Course Deviation Indicator) indications in the correct sense when tracking towards a VOR on radial 235 degrees, the pilot should set on the OBS (omni bearing selector)?

235 degrees with FROM indicated.

55 degrees with TO indicated.

055 degrees with FROM indicated.

235 degrees with TO indicated.

#12. A VOR is sited at position A (35°00'N, 020°00'E). An aircraft is located at position B (34°00N, 020° 00'E). Assuming that the magnetic variation at A is 15°E and at B is 20°E, the aircraft is on VOR radial:

165°

195°

160°

180°

#13. The VOR system is limited to about 1° of accuracy. One degree at 250 NM represents a width of:

2.0 NM.

2.5 NM.

4.4 NM.

3.0 NM.

#14. The VOR system is limited to about 1° of accuracy. One degree at 300 NM represents a width of :

5.2 NM.

4.0 NM.

4.5 NM.

3.0 NM.

#15. The two signals transmitted by a conventional VOR ground station are 180° out of phase on magnetic:

East.

West.

North.

South.

#16. The two signals transmitted by a conventional VOR ground station are 270° out of phase on magnetic:

West

East.

South.

North

#17. Which frequency band is used by VOR transmissions?

UHF

VHF

SHF

#18. Transmissions from VOR facilities may be adversely affected by:

Static interference.

Night effect.

Uneven propagation over irregular ground surfaces.

Quadrantal error.

#19. If VOR bearing information is used beyond the published protection range, errors could be caused by:

Interference from other transmitters.

Noice from precipitation static exceeding the signal strength of the transmitter.

Sky wave interference from the same transmitter.

Sky wave interference from distant transmitters on the same frequency.

#20. An aircraft is 100 NM from a VOR facility. Assuming no error when using a deviation indicator where 1 dot = 2° deviation, how many dots deviation from the centre line of the instrument will represent the limits of the airway boundary? (Assume that the airway is 10 NM wide)

1.5.

1.15.

1.7.

2.5.

#21. The two signals transmitted by a conventional VOR ground station are in phase on magnetic:

East.

North.

South.

West.

#22. An airway 12 NM wide is to be defined by two VORs each having a resultant bearing accuracy of plus or minus 5.5°. In order to ensure accurate track guidance within the airway limits the maximum distance apart for the transmitter is approximately?

50 NM.

165 NM.

210 NM.

124 NM.

#23. An airway 15 NM wide is to be defined by two VORs each having a resultant bearing accuracy of plus or minus 5.5°. In order to ensure accurate track guidance within the airway limits the maximum distance apart for the transmitter is approximately?

50 NM.

165 NM.

210 NM.

155 NM.

#24. An airway 20 NM wide is to be defined by two VORs each having a resultant bearing accuracy of plus or minus 5.5°. In order to ensure accurate track guidance within the airway limits the maximum distance apart for the transmitter is approximately?

208 NM.

50 NM.

165 NM.

210 NM.

#25. An aeroplane flying on a heading of 280 degrees magnetic is on a bearing of 180 degrees magnetic from of VOR. The bearing to the VOR that should be selected on the OMNI bearing selector to centralise the VOR/ILS deviation needle is?

360.

270.

180.

90.

#26. An aeroplane flying on a heading of 280 degrees magnetic is on a bearing of 180 degrees magnetic from of VOR. The bearing from the VOR that should be selected on the OMNI bearing selector to centralise the VOR/ILS deviation needle is?

180

270

360.

#27. Given: VOR station position N66° E025° , variation 20°E; Estimated position of an aircraft N56° E025°, variation 25°E. What VOR radial is the aircraft on?

160°

345°

165°

195°

#28. An airway 10 NM wide is to be defined by two VORs each having a resultant bearing accuracy of plus or minus 5.5°. In order to ensure accurate track guidance with in the airway limits the maximum distance apart for the transmitter is approximately?

50 NM.

105 NM.

165 NM.

210 NM.

#29. An aircraft is required to approach a VOR via the 104° radial. Which of the following settings should be made on the VOR/ILS deviation indicator?

284° with the FROM flag showing.

284° with the TO flag showing.

104° with the TO flag showing.

104° with the FROM flag showing.

#30. An aircraft on a heading of 280°(M) is on a bearing of 090°(M) from a VOR. The bearing you should select on the OMNI bearing selector to centralise the VOR/ILS left/right deviation needle with a 'TO' indication is?

270°

090°

100°

280°

#31. Given: Aircraft heading 045°(M), Aircraft is on radial 080° from a VOR, Selected course on HSI is 090°. The HSI indication are deviation bar?

Behind the aeroplane symbol with the FROM flag showing.

Behind the aeroplane symbol with the TO flag showing.

Ahead of the aeroplane symbol with the FROM flag showing.

Ahead of the aeroplane symbol with the TO flag showing.

#32. Given: Aircraft heading 300°(M), Aircraft is on radial 280° from a VOR, Selected course on HSI is 270°. The HSI indications are deviation bar?

Behind the aeroplane symbol with the TO flag showing.

Ahead of the aeroplane symbol with the FROM flag showing.

Ahead of the aeroplane symbol with the TO flag showing.

Behind the aeroplane symbol with the FROM flag showing.

#33. Given: Aircraft heading 150°(M), Aircraft ison radial 100° from a VOR, Selected course on HSI is 090°. The HSI indications are deviation bar?

Behind the aeroplane symbol with the TO flag showing.

Ahead of the aeroplane symbol with the FROM flag showing.

Ahead of the aeroplane symbol with the TO flag showing.

Behind the aeroplane symbol with the FROM flag showing.

#34. What is the maximum distance between VOR and DME/TACAN ground installations if they are to have the same morse code identifier?

2000 m.

60 m.

300 m.

600m

#35. A VOR and DME are co-located. You want to identify the DME by listening to the callsign. Having heard the same callsign 4 times in 30 seconds the?

DME callsign is the one with the higher pitch that was broadcast only once

DME callsign was not transmitted, the distance information is sufficient proof of correct operation

DME callsign is the one with the lower pitch that was broadcast several times

VOR and DME callsigns were the same and broadcast with the same pitch

#36. In order to plot a bearing from a VOR station, a pilot needs to know the magnetic variation.

At the aircraft location.

At the VOR.

At the halfway point between the aircraft and the station.

At both the VOR and aircraft.

#37. An aircraft is required to approach a VOR station via the 244° radial. In order to obtain correct sense indications the deviation indicator should be set to:

064° with the FROM flag showing.

064° with the TO flag showing.

244° with the FROM flag showing.

244° with the TO flag showing.

#38. What is the maximum theoretical range that an aircraft at FL150 can receive signals from a VOR situated 609 feet above MSL?

220 NM.

147 NM.

184 NM.

156 NM.

#39. An RMI slaved to a remote indicating compass has gone unserviceable and is locked on to a reading of 090°. The tail of the VOR pointer shows 135°. The available information from the VOR is:

Radial 135°, relative bearing unknown.

Radial unknown, relative bearing 225°.

Radial unknown, relative bearing 045°.

Radial 315°, relative bearing unknown.

#40. Which of the following statements concerning the variable,or directional, signal of a conventional VOR is correct?

The transmitter varies the amplitude of the variable signal by 30 Hz each time it rotates.

The rotation of the variable signal at a rate of 30 times per second gives it the characteristics of a 30 Hz amplitude modulation.

The transmitter changes the frequency of the variable signal by 30 Hz either side of the allocated frequency each time it rotates.

The receiver adds 30 Hz to the variable signal before combining it with the reference signal.

#41. The maximum theoretical range at which an aircraft at FL230 may received signals from VOR facility sited at mean sea level is:

190 NM.

230 NM.

170 NM.

151 NM.

#42. If an aircraft flies along a VOR radial it will follow a:

Rhumbline track.

Line of constant bearing.

Great circle track.

Constant magnetic track.

#43. An aircraft at 6400 FT will be able to receive a VOR ground station at 190FT above MSL at an approximate maximum range of:

90 NM.

100 NM.

110 NM.

120 NM.

#44. A VOR and NDB are co-located. An aeroplane fitted with an RMI is things away from the beacons on a radial of 090 degrees. The variation is changing rapidly. Which of the following statements is true?

The ADF needle will not move, but the VOR needle will move as the variation changes.

The VOR needle will not move, but the ADF needle will move as the variation changes.

Both the VOR needle and the ADF needle will move as the variation changes.

Neither the VOR needle nor the ADF needle will move.

#45. A VOR and NDB are co-located. An aeroplane fitted with an RBI is flying away from the beacons on a radial of 090 degrees. The variation is changing rapidly. Which of the following statement is true?

The VOR needle will not move, but the ADF needle will move as the variation changes.

The ADF needle will not move, but the VOR needle will move as the variation changes.

Both the VOR needle and the ADF needle will move as the variation changes.

Neither the VOR needle nor the ADF needle will move.

#46. An aeroplane flying on heading of 180 degrees magnetic is on a bearing of 270 degrees magnetic from of VOR. The bearing to the VOR that should be selected on the OMNI bearing selector to centralise the VOR/ILS deviation needle is?

90.

270.

180.

360.

#47. An aeroplane flying on heading of 180 degrees magnetic is on a bearing of 270 degrees magnetic from of VOR. The bearing from the VOR that should be selected on the OMNI bearing selector to centralise the VOR/ILS deviation needle is?

90.

180.

270.

360.

#48. An aircraft at FL 100 should be able to receive a VOR ground station at 100 FT above MSL at an approximate maximum range of:

135 NM.

123 NM.

130 NM.

142 NM.

#49. The maximum theoretical range at which an aircraft at FL210 may receive signals from a VOR facility sited 340 feet above mean sea level is approximately:

245 nm.

163 nm.

183 nm.

204 nm.

#50. In which frequency band to VOR transmitters operate

UHF.

VHF.

SHF.

EHF.

#51. The two signals transmitted by a conventional VOR ground station are 90° out of phase on magnetic:

South.

East.

West.

North.

#52. An aircraft is flying on a heading of 270°(M). The VOR OBS is also set to 270° with the full left deflection and FROM flag displayed. In which sector is the aricraft from the VOR ground station?

SW.

NW.

SE.

NE.

#53. An Omni-bearing selector (OBS) shows full deflection to the left when within range of a serviceable VOR. What angular deviation are you from the selected radial?

10° or more.

Less than 10°

1.5° or more.

2.5 or more.

#54. An aircraft is on radial 120 with a magnetic heading of 300°, the track selector (OBS) reads : 330. The indications on the Course Deviation Indicator (CDI) are 'fly':

Left with 'TO' showing.

Right with 'TO' showing.

Right with 'FROM' showing.

Left with 'FROM' showing.

#55. Given: Course Deviation Indicator (CDI) for a VOR is selected to 090°. From/To indicator indicates "TO". CDI needle is deflected halfway to the right. On what radial is the aircraft?

85.

265.

95.

275.

#56. The frequency range of a VOR receiver is:

108 to 111.95 MHz.

108 to 117.95 MHz.

118 to 135.95 MHz.

108 to 135.95 MHz.

#57. If the reference phase differs 30° with the variable phase the radial from the VOR station will be:

030°.

330

210°

150°

#58. Given: VOR station position N61° E025° variation 13°E; Estimated position of an aircraft N59° E025°, variation 20°E. What VOR radial is the aircraft on?

167°

347°

160°

193

#59. The captain of an aircraft flying at FL100 wishes to obtain weather information at the destination airfield from the airfield's VOR. At what maximum theoretical range will it be possible to obtain this information?

123 km.

12.3 NM.

125 Nm.

1230 km.

#60. Given: Aircraft heading 160° (M), Aircraft is on radial 240° from a VOR, Selected course on HSI is 250°. The HSI indication are deviation bar?

Behind the aeroplane symbol with the FROM flag showing.

Behind the aeroplane symbol with the TO flag showing.

Ahead of the aeroplane symbol with the FROM flag showing.

Ahead of the aeroplane symbol with the To flag showing.

#61. You are on a compass heading of 090 degrees on the 255 radial from a VOR. You set the course 190 degrees on your OBS. The deviation bar will show?

Full scale deflection right with a "from" indication.

Full scale deflection left with a "To" indication.

Full scale deflection right with a "To" indication.

Full scale deflection left with a "from" indication.

#62. How does a VOR/DME Area Navigation system select the DME station to be used for positioning?

The pilot tunes the closest VOR/DME stations within range on the VOR/DME Area Navigation control panel.

The VOR/DME Area Navigation system has its own NAV tuner and the system itself tunes the DME stations closest to the aircraft.

The VOR/DME Area Navigation system has its own NAV tuner and the system itself tunes the DME stations providing the most accurate position.

The VOR/DME Area Navigation system uses whatever stations are tuned on the aircraft's normal VHF NA selector.

#63. In order to measure the radial from a VOR, the aircraft VOR receiver?

Measures the phase difference between the reference phase and the variable phase of the signal.

Measures the times difference between sending the interrogation signal and receiving the transponder signal.

Uses the pulse technique to determine the radial

Measures the time difference between reception of the two signals transmitted from the ground station.

#64. Apart from radials and distances from VOR/DME stations, what information is required by the VOR/DME Area Navigation computer in order to calculate the wind?

True airspeed from the Air Data Computer.

Heading from the aircraft compass system.

Vertical speed from the air data computer

Heading from the aircraft compass system and true airspeed from the Air Data Computer.

#65. An aircraft, on a heading of 180(M) is on a bearing of 270 (M) from a VOR. The bearing you should select on the OMNI bearing selector to centralise the VOR/ILS left/right needle with a TO indication is?

090 degrees.

360 degrees.

270 degrees.

180 degrees.

#66. An aircraft at FL 100 should be able to receive a VOR ground station at 100 ft above msl at an approximate maximum range of?

145 nm.

123 nm.

130 nm.

137nm

#67. An aircraft at 6400 ft should be able to receive a VOR ground station at 100 ft above msl at an approximate maximum range of?

113 nm.

90 nm.

123 nm.

98 nm.

#68. An OBS is set to 048 with a TO flag showing. The VOR deviation bar is showing full right deflection. Approximately what radial are you on?

058 degrees.

238 degrees.

218 degrees.

038 degrees

#69. An aircraft on a heading of 180 (M) is on bearing 270 (M) from a VOR. The bearing you should select on the OMNI Bearing Selector to centralise the VOR/ILS left/right deviation bar is?

360 degrees.

270 degrees.

090 degrees.

180 degrees.

#70. Given: Aircraft heading 160 (M), aircraft is on radial 240 from a VOR. Selected course on the HSI is 250 degrees. The HSI indications are deviation bar?

Behind the aeroplane symbol with FROM flag showing.

Ahead of the aeroplane symbol with the FROM flag showing.

Behind the aeroplane symbol with the TO flag showing

Ahead of the aeroplane symbol with the TO flag showing.

#71. Under which of the following circumstances does a VOR/DME Area Navigation System switch to Dead Reckoning Mode?

The system is receiving information from only one VOR and one DME.

The system is receiving information from only one VOR.

The system is receiving information from the two DME's.

The system is receiving information from one VOR and two DME's.

#72. A pilot flying an aircraft at FL80, turnes in a VOR, which has an elevation of 313m, Given ISA conditions, what is the maximum theoretical distance at which the pilot might expect to receive the VOR signals?

10 nm.

190 nm.

120 nm.

151 nm.

#73. An aircraft is on the 120 degree radial from a VOR. Course 340 degrees is selected on the HSI (Horizontal Situation Indicator). If the magnetic heading is 070 degrees, the deviation bar relative to the aeroplane model will be?

Behind

In front

Right.

Left

#74. The OBS is set to 048 degrees. "TO" appears in the window. The needle is close to full right deflection. The VOR radial is approximately?

238 degrees.

038 degrees

058 degrees

218 degrees.

#75. The OBS is set to 235 degrees. "TO" appears in the window. The needle is close to full right deflection. The VOR radial is approximately?

230 degrees

060 degrees

240 degrees

050 degrees

#76. Your aircraft is heading 075(M). The OBI is set to 025. The VOR indications are "TO" with the needle showing right deflection. Reflection. Relative to the station, you are situated in a quadrant defined by the radials?

025 degrees and 115 degrees.

205 degrees and 295 degrees.

295 degrees and 025 degrees.

115 degrees and 205 degrees.

#77. You are on compass heading 090 on the 255 radial from a VOR. You set the course 190 on your OBS. The deviation bar will show?

Full scale deflection left with a "TO" indication.

Full scale deflection right with a "FROM" indication.

Full scale deflection left with a "FROM" indication.

Full scale deflection right with a "TO" indication.

#78. An aircraft is flying on the true track 090 degrees, towards a VOR station located near the equator where the magnetic variation is 15 degrees East. The variation at the aircraft position is 8 degrees East. The aircraft is one the VOR radial?

255 degrees.

278 degrees

262 degrees

285 degrees

#79. Given: Magnetic heading 280 degrees, VOR radial 090 degrees. What bearing should be selected on the omni-bearing selector in order t centralise the VOR deviation needle with a £TO" indication?

100 degrees

270 degrees

280 degrees

090 degrees

#80. A VOR is sited at position (58 00 N, 073 00 W), where the magnetic variation is 32 degrees West. An aircraft is located at position (58 00 N, 073 00 W), where the magnetic variation is 28 degrees West. The aircraft is on VOR radial?

208 degrees

212 degrees

360 degrees

180 degrees

#81. A VOR is sited at position A, (45 00 N, 010 00 E), An aircraft if located at position B, (44 00 N, 010 00 E). Magnetic variation at position A = 10 degrees West, and at position B it is 15 degrees West. The aircraft is on VOR radial?

180 degrees

195 degrees

190 degrees

185 degrees

#82. An airway 10 mn wide is to b e defined by two VORs, each having a resultant bearing accuracy of plus or minus 5.5. degrees. In order, to ensure accurate track guidance within the airway limits, the maximum distance apart from the transmitter is approximately?

105 nm.

210 nm.

50 nm.

165 nm.

#83. An aircraft is required to approach a VOR via the 104 degrees radial. Which of the following settings should be made on the VOR/ILS deviation indicator?

284 degrees with the TO flag showing.

104 degrees with the TO flag showing.

284 degrees with the FROM flag showing.

104 degrees with the FROM flag showing.

#84. An aircraft is required to approach a VOR via the 244 degrees radial. Which of the following settings should be made on the VOR/ILS deviation indicator?

244 degrees with the TO flag showing.

064 degrees with the TO flag showing.

284 degrees with the FROM flagshowing.

064 degrees with the FROM flag showing.

#85. What is the maximum theoretical range that an aircraft at FL 150 can receive signals from a VOR situated at 609 ft above MSL?

220 nm.

156 nm.

184 nm.

147 nm.

#86. An RMI slaved to a remote indicating compass has gone unserviceable and is locked on to a reading of 090 degrees. The tail of the VOR needle shows 135 degrees. The available information from the VOR is?

Radial unknown, relative bearing 045 degrees.

Radial unknown, relative bearing 225 degrees.

Radial 135, relative bearing unknown.

Radial 315, relative bearing unknown.

#87. An aircraft at 6400 ft will be able to receive a VOR ground station at 100 ft above MSL at an approximate range of?

113 nm.

90 nm.

98 nm.

123 nm.

#88. An aircraft at FL 100 ft will be to receive a VOR ground station at 100 ft above MSL at an approximate range of?

137 nm.

130 nm.

145 nm.

123 nm.

#89. An aircraft is on radial 120 with a magnetic heading of 300 degrees. The track selector (OBS) reads 330 degrees. The indications on the Course Deviation Indicator (CDI) are "fly"?

Left with "FROM" showing.

Left with "TO" showing.

Right with "TO" showing.

Right with "FROM" showing.

#90. Given: Course Deviation Indicator (CDI) for a VOR is elected to 090 degrees. From/TO indicator indicates "TO". CDI needle is deflected halfway to the right. On what radial is the aircraft?

275

265

#91. The maximum theoretical range at which an aircraft at FL 230 can receive signals from a VOR facility sited at MSL is?

190 nm.

170 nm.

230 nm.

151 nm.

#92. he VOR system is limited to about 1 degree of accuracy. One degree at 200 nm range represents a width of?

2.5 nm.

3.5 nm.

2.0 nm.

3.0 nm.

#93. An aircraft is situated at 30N, 005E, with magnetic variation of 10W, A VOR is located at 30N 013E with a magnetic variation of 15W. The aircraft is situated on the VOR radial?

101.

281.

286.

256.

#94. An aeroplane flies over position. A which is due north of a VOR station sited at position B. The magnetic variation at A = 18W. The magnetic variation at B = 10W. What radial from B is the aircraft on?

010 degrees.

342 degrees.

350 degrees.

018 degrees

#95. Under which of the following circumstance does a VOR/DME Area Navigation System switch to Dead Reckoning mode?

VOR/DME Area Navigation computer is not receiving information for the Air Data Computer.

VOR/DME Area Navigation computer is receiving neither radial nor distance data information from the VOR/DME station.

When "DR" is selected by the pilot

VOR/DME Area Navigation computer is not receiving information from the aircraft compass system

#96. The identification of a DME in combination. with a collocated VOR is as follows?

In a period of 40 seconds the DME ident will be heard once on an audio frequency of 1350 Hz.

Every 30 seconds the DME ident will be repeated.

The VOR ident and the DME ident are the same and no difference can be heard.

The DME ident will repeat three times every period of 30 seconds.

#97. Two aircraft are located on (arbitary) different radials but at equal distances from a VOR station. Which statement is true?

At a certain moment of time the phase of the reference signals is equal and the phases of the variable signals is equal for both

At a certain moment of time, both the phase of the reference signals and the phase of the variable signals and the phase of the variable signals are equal for both aircraft.

At a certain moment of time, both the phase of the reference signals and the phase of the variable signals are unequal for both aircraft.

At a certain moment of time the phase of the reference signals is equal and the phases of the variable signals is equal and the phases of the variable signals is unequal for both.

#98. Two aircraft are located on the same radial but at (arbitray) different distances from a VOR station. Which statement is true?

At a certain moment of time the phase of the reference signals is equal and the phases of the variable signals is unequal for both.

At a certain moment of time the phase of the reference signals is equal and the phases of the variable signals is equal for both.

At a certain moment of time, both the phase of the reference signals and the phase of the variable signals are equal for both aircraft.

At a certain moment of time, both the phase of the reference signals and the phase of the variable signals are unequal for both aircraft.

#99. An aircraft has a magnetic heading of 290 degrees and is on VOR radial 280. Which value has to be selected on the OBS to get a TO indication and the CDI centred?

280.

290.

100.

110.

#100. Given: Aircraft position 34 15N 098E, nagnetic variation 28W, FL 280, PTC VOR/DME position 36 12N 098E, magnetic variation 13E. In order to read the most accurate ground speed given by the DME receiver from his present position, the pilot must fly on which PTC Radia?

193.

167.

332.

Aircraft will not receive DME information from PTC due to the line of sight rule.

#101. An aircraft is flying on a MH of 210 degrees. The magnetic variation at the VOR is 5W and at the aircraft is 10W. According to the HSI in the diagram, the aircraft is on radial?

025 radial.

205 radial.

195 radial.

015 radial.

#102. Unless otherwise specified a radial is?

The magnetic great circle direction from the beacon.

The true great circle direction from the beacon.

The magnetic great circle direction to the beacon.

The true great circle direction to the beacon.

#103. On the RMI the tip of a VOR needle indicates 060. With the CRS set on 055 the indications on the HSI are?

TO half-scale deflected to the left.

FROM half-scale deflected to the right.

FROM half-scale deflected to the left.

TO half-scale deflected to the right.

#104. An aircraft is flying on a MH of 210 degrees. The magnetic variation at the VOR is 5W and at the aircraft is 10W. According to the CDI in the diagram, the aircraft is on radial?

205 radial.

195 radial.

015 radial.

025 radial.

#105. An aircraft is on the 065 radial with a heading of 090M. The Course Reference Selector ICRSO is set on 240. Which HSI in the diagram shows the correct indications?

Diagram A.

Diagram B.

Diagram C.

Diagram D.

#106. Which statement is correct about the different types of VOR?

A TVOR has a limited range.

A VOT is located along an airway with the purpose to provide an in-flight check of the airbome equipment.

A CVOR is primarily used for instrument approaches.

A DVOR is less accurate than a CVOR.

#107. A VOR and an NDB are located at the same position. Both the VOR and the ADF readings are displayed on the RMI. The aircraft is tracking away from the beacons along the 090 radial. The magnetic variation is changing rapidly. Which of the following is correct?

The direction of the VOR pointer will change, the direction of the ADF pointer will not change.

The direction of the ADF pointer will change, the direction of the VOR pointer will not change.

Both the direction of the ADF pointer and the direction of the VOR pointer will change.

Neither the direction of the ADF pointer nor the direction of the VOR pointer will change.

#108. An aircraft is flying on the 245 radial with a MH of 250 degrees. On the CDI the CRS is set to 060. Which of the CDIs in the diagram shows the correct indications?

Figure A.

Figure B.

Figure C.

Figure D.

#109. An aircraft is flying on the 170 radial with a MH of 315 degrees. On the CDI the CRS is set to 180. Which CDI shows the correct indications?

Figure A.

Figure B.

Figure C.

Figure D.

#110. An aircraft is flying on a MH of 210 degrees. The magnetic variation at the VOR is 5W and at the aircraft 10W. Which VOR RMI corresponds to the indications on the CDI shown in the diagram?

Figure A.

Figure B.

Figure C.

Figure D.

#111. An aircraft is flying on a MH of 010 degrees. The magnetic variation at the VOR is 10W and at the aircraft 12W. Which VOR RMI corresponds to the indications on the CDI shown in the diagram?

Figure D.

Figure A.

Figure C.

Figure B.

#112. An aircraft is flying on the 245 radial with a MH of 250 degrees. On the HSI the CRS is set to 060. Which HSI shows the correct indications in the diagram?

Figure A.

Figure B.

Figure C.

Figure D.

#113. An aircraft is flying on a MH of 010 degrees. The magnetic variation at the VOR is 10W and at the aircraft 12W. Which VOR RMI corresponds to the indications on the CDI in the diagram?

Figure A.

Figure B.

Figure C.

Figure D.

#114. An aircraft is flying on the 050 radial with a MH of 250 degrees. On the HSI the CRS is set to 060. Which HSI in the diagram shows the correct indications?

Figure A.

Figure B.

Figure C.

Figure D.

#115. An aircraft is flying on a MH of 210. The magnetic variation at the VOR is 5W and at the aircraft it is 10W; Which VOR RBI corresponds to the indications on the HSI in the diagram?

Figure A.

Figure B.

Figure C.

Figure D.

#116. An aircraft is flying on a MH of 010. The magnetic variation at the VOR is 10W and at the aircraft it is 12W; Which VOR RBI in the diagram corresponds to the indications on the VOR HSI?

Figure B.

Figure A.

Figure C.

Figure D.

#117. An aircraft is flying on the 050 radial with a MH of 250. On the CDI the CRS is set to 060. Which CDI in the diagram shows the correct indications?

Figure A.

Figure B.

Figure C.

Figure D.

#118. An aircraft is flying on the 170 radial with a MH of 315. On the HSI the CRS is set to 180. Which HSI in the diagram shows the correct indications?

Figure A.

Figure B.

Figure C.

Figure D.

#119. The three main components of VOR airborne equipment are?

Receiver, Phase comparator, Range gates.

Display, Pulse generator, Phase comparator.

Receiver, Antenna, Display.

Demodulator, Antenna, CPU.

#120. In the VOR receiver the radial is determined by measurement of the?

Time difference between the reception of the variable signal and the reference signal.

Doppler shift on the reference signal.

Phase of the variable signal.

Phase difference between the variable signal and the reference signal.

#121. On an RMI the font end of the VOR pointer indicates the?

Radial

Magnetic heading from the station.

Radial plus 180 degrees.

Magnetic bearing from the station.

#122. Which of the following statements about the scalloping (path deflection) of VOR radials, in relation to the accuracy of navigation using a VOR/DME RNAV system is correct?

Scalloping has a negative effect on the accuracy of navigation.

Scalloping has a positive effect on the accuracy of navigation.

Scalloping has no effect on the accuracy of navigation because the accuracy is independent of VOR or DME measurements.

Scalloping has no effect on the accuracy of navigation because it only results in the movement of the needle of the Course Deviation Indicator.

#123. TVOR is a?

Test VOR transmitting such a signal that the reference ad variable signals are always in phase.

High power VOR in the frequency used in the terminal area.

VOR with a limited range used in the terminal area.

Low power VOR in the frequency range 112 MHz to 118 MHz

#124. An aircraft is flying on a heading of 245 towards a VOR at FL300. The HSI displays a "selected course" of 255 with a TO indication. The variation at the VOR is 15E. Variation at the aircraft is 16E. Compass deviation is +1. When the pilot keeps the CDI on the left inner dot on a display with two dots on either side?

The VOR will be approached along the radial 070.

The VOR will be approached along the radial 080.

The aircraft will pass south of the VOR.

The aircraft will pass north of the VOR.

#125. Given: Aircraft position 52 09 S 024 E, magnetic variation 14W, FL310. BIT VOR/DME position 54 42 S 024 E. Magnetic variation 14E. In order to read the most accurate ground speed given by the DME receiver from this positive, the pilot must follow which BIT radial?

346 degrees.

014 degrees.

166 degrees.

194 degrees.

#126. An aircraft is flying on a MH of 010. The magnetic variation at the VOR is 10W and at the aircraft it is 12W. Which VOR RMI in the diagram shows the correct indications?

Figure C.

Figure A.

Figure B.

Figure D.

#127. You are flying along an airway, which is 10 nm wide (5 nm either side of the centreliner). The distance to the VOR/DME you are using is 100 nm. If you are on the airway boundary, how many dots deviation will the VOR needle show if I dot represents 2 degrees?

4.5.

3.0.

6.0.

1.5.

#128. Which statement is true about the use of the Doppler VOR?

The Doppler effect is used to create a signal, which is received by the aircraft's VOR receiver as frequency modulated signal.

The Doppler effect is used to create a signal, which is received by the aircraft's VOR receiver as amplitude modulated signal.

By using Doppler effect it is also possible to determine the aircraft's approach speed to the VOR.

By using Doppler effect it is also possible to determine the range of the aircraft from the VOR. Station more accurately.

#129. The VOR system is limited to about 1º of accuracy. One degrees at 200 NM represents a width of:

2.0 NM

2.5 NM

3.0 NM

3.5 NM

Finish

Dgca Question Bank For Pilots

Results

#1. A VOR is sited at position A (45° 00'N, 010°00'E). An aircraft is located at position B (44°00'N, 010°00'E). Assuming that the magnetic variation at A is 10°W and at B is 15°W, the aircraft is on VOR radial:

#2. An RMI indicates aircraft heading. To convert the RMI bearings of NDBs and VORs to true bearings the correct combination for the application of magnetic variation is:

#3. An aircraft is flying on the true track 090° towards a VOR station located near the equator where the magnetic variation is 15°E. The variation at the aircraft position is 8°E. The aircraft is on VOR radial?

#4. Given: magnetic heading 280°. VOR radial 090°. What bearing should be selected on the omni-bearing selector in order to centralise the VOR deviation needle with a "TO" indication?

#5. A VOR is sited at position 58°00'N 073°00'W where the magnetic variation equals 32°W. An aircraft is located at position 56°00'N 073°00'W where the magnetic variation equals 28°W. The aircraft is on VOR radial?

#6. The principle used in VOR bearing measurement is:

#7. A VOR is sited at position A (35°00'N, 020°00'E). An aircraft is located at position B(34°00'N, 020°00'E). Assuming that the magnetic variation at A is 15°W and at B is 20°W, the aircraft is on VOR radial:

#8. A radial is the ......(i) bearing....... (ii) a VOR ground station?

#9. Tuned to a VOR station, with OBS needle central, the instrument reads 140 degrees with FROM indicated, Relative to the VOR station the receiver is in the?

#10. The VOR to obtain CDI (course deviation indicator) indications in the correct sense when tracking towards a VOR on radial 255 degrees, the pilot should set on the OBS (Omni bearing selector)?

#11. In order to obtain CDI (Course Deviation Indicator) indications in the correct sense when tracking towards a VOR on radial 235 degrees, the pilot should set on the OBS (omni bearing selector)?

#12. A VOR is sited at position A (35°00'N, 020°00'E). An aircraft is located at position B (34°00N, 020° 00'E). Assuming that the magnetic variation at A is 15°E and at B is 20°E, the aircraft is on VOR radial:

#13. The VOR system is limited to about 1° of accuracy. One degree at 250 NM represents a width of:

#14. The VOR system is limited to about 1° of accuracy. One degree at 300 NM represents a width of :

#15. The two signals transmitted by a conventional VOR ground station are 180° out of phase on magnetic:

#16. The two signals transmitted by a conventional VOR ground station are 270° out of phase on magnetic:

#17. Which frequency band is used by VOR transmissions?

#18. Transmissions from VOR facilities may be adversely affected by:

#19. If VOR bearing information is used beyond the published protection range, errors could be caused by:

#20. An aircraft is 100 NM from a VOR facility. Assuming no error when using a deviation indicator where 1 dot = 2° deviation, how many dots deviation from the centre line of the instrument will represent the limits of the airway boundary? (Assume that the airway is 10 NM wide)

#21. The two signals transmitted by a conventional VOR ground station are in phase on magnetic:

#22. An airway 12 NM wide is to be defined by two VORs each having a resultant bearing accuracy of plus or minus 5.5°. In order to ensure accurate track guidance within the airway limits the maximum distance apart for the transmitter is approximately?

#23. An airway 15 NM wide is to be defined by two VORs each having a resultant bearing accuracy of plus or minus 5.5°. In order to ensure accurate track guidance within the airway limits the maximum distance apart for the transmitter is approximately?

#24. An airway 20 NM wide is to be defined by two VORs each having a resultant bearing accuracy of plus or minus 5.5°. In order to ensure accurate track guidance within the airway limits the maximum distance apart for the transmitter is approximately?

#25. An aeroplane flying on a heading of 280 degrees magnetic is on a bearing of 180 degrees magnetic from of VOR. The bearing to the VOR that should be selected on the OMNI bearing selector to centralise the VOR/ILS deviation needle is?

#26. An aeroplane flying on a heading of 280 degrees magnetic is on a bearing of 180 degrees magnetic from of VOR. The bearing from the VOR that should be selected on the OMNI bearing selector to centralise the VOR/ILS deviation needle is?

#27. Given: VOR station position N66° E025° , variation 20°E; Estimated position of an aircraft N56° E025°, variation 25°E. What VOR radial is the aircraft on?

#28. An airway 10 NM wide is to be defined by two VORs each having a resultant bearing accuracy of plus or minus 5.5°. In order to ensure accurate track guidance with in the airway limits the maximum distance apart for the transmitter is approximately?

#29. An aircraft is required to approach a VOR via the 104° radial. Which of the following settings should be made on the VOR/ILS deviation indicator?

#30. An aircraft on a heading of 280°(M) is on a bearing of 090°(M) from a VOR. The bearing you should select on the OMNI bearing selector to centralise the VOR/ILS left/right deviation needle with a 'TO' indication is?

#31. Given: Aircraft heading 045°(M), Aircraft is on radial 080° from a VOR, Selected course on HSI is 090°. The HSI indication are deviation bar?

#32. Given: Aircraft heading 300°(M), Aircraft is on radial 280° from a VOR, Selected course on HSI is 270°. The HSI indications are deviation bar?

#33. Given: Aircraft heading 150°(M), Aircraft ison radial 100° from a VOR, Selected course on HSI is 090°. The HSI indications are deviation bar?

#34. What is the maximum distance between VOR and DME/TACAN ground installations if they are to have the same morse code identifier?

#35. A VOR and DME are co-located. You want to identify the DME by listening to the callsign. Having heard the same callsign 4 times in 30 seconds the?

#36. In order to plot a bearing from a VOR station, a pilot needs to know the magnetic variation.

#37. An aircraft is required to approach a VOR station via the 244° radial. In order to obtain correct sense indications the deviation indicator should be set to:

#38. What is the maximum theoretical range that an aircraft at FL150 can receive signals from a VOR situated 609 feet above MSL?

#39. An RMI slaved to a remote indicating compass has gone unserviceable and is locked on to a reading of 090°. The tail of the VOR pointer shows 135°. The available information from the VOR is:

#40. Which of the following statements concerning the variable,or directional, signal of a conventional VOR is correct?

#41. The maximum theoretical range at which an aircraft at FL230 may received signals from VOR facility sited at mean sea level is:

#42. If an aircraft flies along a VOR radial it will follow a:

#43. An aircraft at 6400 FT will be able to receive a VOR ground station at 190FT above MSL at an approximate maximum range of:

#44. A VOR and NDB are co-located. An aeroplane fitted with an RMI is things away from the beacons on a radial of 090 degrees. The variation is changing rapidly. Which of the following statements is true?

#45. A VOR and NDB are co-located. An aeroplane fitted with an RBI is flying away from the beacons on a radial of 090 degrees. The variation is changing rapidly. Which of the following statement is true?

#46. An aeroplane flying on heading of 180 degrees magnetic is on a bearing of 270 degrees magnetic from of VOR. The bearing to the VOR that should be selected on the OMNI bearing selector to centralise the VOR/ILS deviation needle is?

#47. An aeroplane flying on heading of 180 degrees magnetic is on a bearing of 270 degrees magnetic from of VOR. The bearing from the VOR that should be selected on the OMNI bearing selector to centralise the VOR/ILS deviation needle is?

#48. An aircraft at FL 100 should be able to receive a VOR ground station at 100 FT above MSL at an approximate maximum range of:

#49. The maximum theoretical range at which an aircraft at FL210 may receive signals from a VOR facility sited 340 feet above mean sea level is approximately:

#50. In which frequency band to VOR transmitters operate

#51. The two signals transmitted by a conventional VOR ground station are 90° out of phase on magnetic:

#52. An aircraft is flying on a heading of 270°(M). The VOR OBS is also set to 270° with the full left deflection and FROM flag displayed. In which sector is the aricraft from the VOR ground station?

#53. An Omni-bearing selector (OBS) shows full deflection to the left when within range of a serviceable VOR. What angular deviation are you from the selected radial?

#54. An aircraft is on radial 120 with a magnetic heading of 300°, the track selector (OBS) reads : 330. The indications on the Course Deviation Indicator (CDI) are 'fly':

#55. Given: Course Deviation Indicator (CDI) for a VOR is selected to 090°. From/To indicator indicates "TO". CDI needle is deflected halfway to the right. On what radial is the aircraft?

#56. The frequency range of a VOR receiver is:

#57. If the reference phase differs 30° with the variable phase the radial from the VOR station will be:

#58. Given: VOR station position N61° E025° variation 13°E; Estimated position of an aircraft N59° E025°, variation 20°E. What VOR radial is the aircraft on?

#59. The captain of an aircraft flying at FL100 wishes to obtain weather information at the destination airfield from the airfield's VOR. At what maximum theoretical range will it be possible to obtain this information?

#60. Given: Aircraft heading 160° (M), Aircraft is on radial 240° from a VOR, Selected course on HSI is 250°. The HSI indication are deviation bar?

#61. You are on a compass heading of 090 degrees on the 255 radial from a VOR. You set the course 190 degrees on your OBS. The deviation bar will show?

#62. How does a VOR/DME Area Navigation system select the DME station to be used for positioning?

#63. In order to measure the radial from a VOR, the aircraft VOR receiver?

#64. Apart from radials and distances from VOR/DME stations, what information is required by the VOR/DME Area Navigation computer in order to calculate the wind?

#65. An aircraft, on a heading of 180(M) is on a bearing of 270 (M) from a VOR. The bearing you should select on the OMNI bearing selector to centralise the VOR/ILS left/right needle with a TO indication is?

#66. An aircraft at FL 100 should be able to receive a VOR ground station at 100 ft above msl at an approximate maximum range of?

#67. An aircraft at 6400 ft should be able to receive a VOR ground station at 100 ft above msl at an approximate maximum range of?

#68. An OBS is set to 048 with a TO flag showing. The VOR deviation bar is showing full right deflection. Approximately what radial are you on?

#69. An aircraft on a heading of 180 (M) is on bearing 270 (M) from a VOR. The bearing you should select on the OMNI Bearing Selector to centralise the VOR/ILS left/right deviation bar is?

#70. Given: Aircraft heading 160 (M), aircraft is on radial 240 from a VOR. Selected course on the HSI is 250 degrees. The HSI indications are deviation bar?

#71. Under which of the following circumstances does a VOR/DME Area Navigation System switch to Dead Reckoning Mode?

#72. A pilot flying an aircraft at FL80, turnes in a VOR, which has an elevation of 313m, Given ISA conditions, what is the maximum theoretical distance at which the pilot might expect to receive the VOR signals?

#73. An aircraft is on the 120 degree radial from a VOR. Course 340 degrees is selected on the HSI (Horizontal Situation Indicator). If the magnetic heading is 070 degrees, the deviation bar relative to the aeroplane model will be?

#74. The OBS is set to 048 degrees. "TO" appears in the window. The needle is close to full right deflection. The VOR radial is approximately?

#75. The OBS is set to 235 degrees. "TO" appears in the window. The needle is close to full right deflection. The VOR radial is approximately?

#76. Your aircraft is heading 075(M). The OBI is set to 025. The VOR indications are "TO" with the needle showing right deflection. Reflection. Relative to the station, you are situated in a quadrant defined by the radials?

#77. You are on compass heading 090 on the 255 radial from a VOR. You set the course 190 on your OBS. The deviation bar will show?

#78. An aircraft is flying on the true track 090 degrees, towards a VOR station located near the equator where the magnetic variation is 15 degrees East. The variation at the aircraft position is 8 degrees East. The aircraft is one the VOR radial?