Results
Q1. An aircraft flies a great circle track from 56° N 070° W to 62° N 110° E. The total distance travelled is?
Correct answer is – 3720 NM
Q2. What is the great circle track (measured from the starting position) from 70°S 030W to 70°S 060 E.
Correct answer is – 132 T
Q3. Given: The autopilot is coupled to the Inertial Navigation System steering from Waypoint 1 at 60 N 040W, to Waypoint 2 at 60 N 030 W, to Waypoint 3 at 60 N 020 W. What is the approximate track change on passing WPT2?
Correct answer is – 9 increase.
Q4. Position A is at 70S 030W, position B is 70S 060E. What is the great circle track of B from A, measured at A?
Correct answer is – 132°(T)
Q5. Given: The autopilot is coupled to the inertial Navigation System steering from Waypoint 1 at 60 N 030 W, to Waypoint 2 at 60 N 020 W, to Waypoint 3 at 60 N 010 W.What is the approximate track change on passing WPT 2?
Correct answer is – 9 increase.
Q6. Grivation is the combination of:
Correct answer is – Variation and Grid Convergence
Q7. Isogonal lines converge as follows:
Correct answer is – At the North and South Magnetic and both Geographical Poles
Q8. What is the longitude of a position 6 NM to the east of 58°42’N 094°00’W?
Correct answer is – 093°48.5′ W
Q9. The Great Circle bearing of B (70 S 060 E), from A (70 S 030 W), is in approximate?
Correct answer is – 135°(T)
Q10. The agonic line:
Correct answer is – indicates zero variation
Q11. What is the rhumb line track from A (4500N 01000W) to B (4830N 05000W)?
277
Q12. You fly from 49N to 58N along the 180 E/W meridian. What is the distance in kilometres?
Correct answer is – 1000 km
Q13. A great circle track joins positions A (59 S 141 W) and B (61 S 148 W). What is the difference between the great circle track at A and B?
Correct answer is – It increases by 6
Q14. Which of the following differences in latitude will produce the greatest difference between the initial great circle track and the mean great circle track, between two points which are separated by 10° change of longitude?
Correct answer is – 60 N and 55 N
Q15. An aircraft starts at position 50N 030 E & flown 600Nm on track 270, then makes a 090 degree left turn & flies 420 Nm after that makes an another turn of 90 degree to the left & flies 800 Nm. What is its final position?
Correct answer is – 43 00 N 032 40 E
Q16. An aircraft at latitude 02°20’N tracks 180°(T) for 685 km. On completion of the flight the latitude will be:
Correct answer is – 03°50’S
Q17. At a specific location, the value of magnetic variation:
Correct answer is – varies slowly over time
Q18. Given: The coordinates of the heliport at Issy les Moulineaux are: N48°50’00” E002°16’5.5″. The coordinates of the antipodes are :
Correct answer is – S48°50′ W177°43.5′
Q19. Isogrivs are lines that connect positions that have:
Correct answer is – the same grivation
Q20. Isogonic lines connect positions that have:
Correct answer is – the same variation
Q21. The value of magnetic variation on a chart changes with time. This is due to:
Correct answer is – Movement of the magnetic poles, which can cause either an increase or a decrease
Q22. An aircraft at position 40N 160W travels 900 NM due South, then travels 900 NM due East, then 900 NM due North and then 900 NM due West. What is the aircraft’s final position?
Correct answer is – 40 00 N 163 01 W
Q23. On a direct Mercator chart, a Rhumb Line appears as a:
Correct answer is – Straight line
Q24. Lines of latitude on a chart are always:
Correct answer is – Small circles except for the Equator
Q25. An aircraft takes off from A (060S 050E and flown to B 900Nm on track 270. After B, maintains a track of 360 for 520Nm reaches to C. From C maintains a track of 270 for 600Nm. What is its final position?
Correct answer is – 51 20 S 004 00 E
Q26. A semi great circle on the Earth which is running from the North Pole to the South Pole is a:
Correct answer is – meridian
Q27. The compression factor of the Earth:
Correct answer is – All answers are correct
Q28. The circumference of the parallel of latitude at 60°N is approximately:
Correct answer is – 10 800 NM
Q29. The angle between Magnetic North and Compass North is called:
Correct answer is – compass deviation
Q30. Complete the following statement regarding magnetic variation. The charted values of magnetic variation on earth normally change annually due to:
Correct answer is – magnetic pole movement causing numerical values at all locations to increase or decrease
Q31. Find the great circle distance from A (30S 065E ) to B (30 S 115W).
Correct answer is – 7200 nm
Q32. A negative (westerly) magnetic variation signifies that:
Correct answer is – True North is East of Magnetic North
Q33. An aircraft departs a point 0400N 17000W and flies 240 NM South, followed by 240 NM East, then 240 NM North, then 240 NM West. What is its final position?
Correct answer is – 0400N 170°00’35″W
Q34. What is the approximate course (T) and distance between Waterford VOR (WTD, 5212N 00705W) and Sligo VOR (SLG, 5417N 00836W)?
Correct answer is – 336; 137 NM
Q35. position A is 55 N 030 W and B is 54 N 020 W. What is the rhumb line bearing from A to B, if the great circle track from A to B, measured at A, is 100°T?
Correct answer is – 104T
Q36. Given: value for the ellipticity of the Earth is 1/297. Earth’s semi-major axis, as measured at the equator, equals 6378.4 km. What is the semi-minor axis (km) of the earth at the axis of the Poles?
Correct answer is – 6 356.9
Q37. When is the magnetic compass most effective?
Correct answer is – About midway between the magnetic poles
Q38. A Rhumb line is :
Correct answer is – a line on the surface of the earth cutting all meridians at the same angle
Q39. Consider the following statements on longitude:
Correct answer is – The largest value of longitude is 180°
Q40. Given: A is N55 E000 B is N54 E010. The average true course of the great circle is 100°. The true course of the rhumb line at point A is?
Correct answer is – 100
Q41. An aircraft at position 60°N 005°W tracks 090°(T) for 315 km. On completion of the flight the longitude will be:
Correct answer is – 000°40’E
Q42. Isogonals converge at the:
Correct answer is – North and South geographic and magnetic poles
Q43. Given : Position ‘A’ N60 W020, Position ‘B’ N60 W021, Position ‘C’ N59 W020. What are, respectively, the distances from A to B and from A to C?
Correct answer is – 30 NM and 60 NM
Q44. What is the formula for conversion angle?
Correct answer is – (Change of longitude / 2) x Sine mean latitude
Q45. An aircraft travels from point A to point B, using the autopilot connected to the aircraft’s inertial system. The coordinates of A (45 S 010 W) and B (45 S 030 W) have been entered. The true course of the aircraft on its arrival at B, to the nearest degree, is?
Correct answer is – 270
Q46. An aircraft starts from P (030 N 160E) and flies 300 Nm towards South to Q. From Q it maintains a track of 090 and covers 900 Nm up to R. From R maintains track 360 for 120 Nm. what’s the current position of the aircraft.
Correct answer is – 27 00 N 176 33 E
Q47. The variation at a position is 13W and the true track is 136. Consider the following statements and choose the correct one:
Correct answer is – The magnetic track is 149
Q48. A line drawn on a chart which joins all points where the value of magnetic variation is zero is called an:
Correct answer is – agonic line
Q49. The ‘departure’ between positions 60°N 160°E and 60°N ‘x’ is 900 NM. What is the longitude of ‘x’?
Correct answer is – 170°W
Q50. The angle between the plane of the Equator and the plane of the Ecliptic is:
Correct answer is – 23.5°
Q51. The north and south magnetic poles are the only positions on the earth’s surface where:
Correct answer is – a freely suspended compass needle will stand vertical
Q52. If an aeroplane was to circle around the Earth following parallel 60°N at a groundspeed of 480 kt. In order to circle around the Earth along the equator in the same amount of time, it should fly at a ground speed of:
Correct answer is – 960 kt
Q53. At what approximate latitude is the length of one minute of arc along a meridian equal to one NM (1852 m) correct?
Correct answer is – 45°
Q54. Which of the following differences in latitude will give the biggest difference in the initial great circle track and the mean great circle track between two points separated by 10° change of longitude?
Correct answer is – 30S and 25S
Q55. What is the definition of magnetic variation?
Correct answer is – The angle at a given geographic spot between the directions from the spot to True North and Magnetic North
Q56. Which definition of the equator is correct?
Correct answer is – The equator is a great circle with its plane perpendicular to the Earth’s rotational axis
Q57. A flight is to be made from ‘A’ 49°S 180°E/W to ‘B’ 40°S, 180°E/W. The distance in kilometres from ‘A’ to ‘B’ is approximately:
Correct answer is – 1000
Q58. The maximum difference between geocentric and geodetic latitude occurs at about:
Correct answer is – 45° North and South
Q59. An aircraft starts from P (000N 060E) and flies 600 Nm towards WEST to Q. From Q it maintains a track of 180 and covers 300 Nm up to R. From R maintains track 090 for 400 Nm. what’s the current position of the aircraft.
Correct answer is – 05 00 S 056 41 E
Q60. An aeroplane flies from A (59 S 142W) to B (61 S 148W) with a TAS of 480 kt. The autopilot is engaged and coupled with an Inertial Navigation System in which AB track is active. On route AB, the true track:
Correct answer is – increases by 5
Q61. The angle between True North and Magnetic North is called :
Correct answer is – variation
Q62. Ground speed is 540 knots. 72 NM to go. What is time to go?
Correct answer is – 8 min
Q63. Which of the following statements concerning the earth’s magnetic field is completely correct?
Correct answer is – The blue pole of the earth’s magnetic field is situated in North Canada
Q64. What is the shortest distance between Point ‘A’ (3543N 00841E) and Point ‘B’ (5417N 17119W)?
Correct answer is – 5400 NM
Q65. The directive force acting on a compass needle in an aircraft:
Correct answer is – is the resultant magnetic force in the horizontal plane in the position where the compass is installed
Q66. Isogrives are lines that connect positions that have:
Correct answer is – the same grivation
Q67. Compass deviation is defined as the angle between:
Correct answer is – Magnetic North and Compass North
Q68. An aircraft at latitude 10° North flies south at a groundspeed of 445 km/HR. What will be its latitude after 3 HR?
Correct answer is – 02°00’S
Q69. What is the value of the magnetic dip at the magnetic south pole?
Correct answer is – 90°
Q70. The variation at a position is 13W and the true track is 136. Consider the following statements and choose the correct one:
Correct answer is – The magnetic track is 149
Q71. The rhumb-line distance between points A (60°00’N 002°30’E) and B (60°00’N 007°30’W) is:
Correct answer is – 300 NM
Q72. Position A is 55N 30W. Position B is 54N 20W. The great circle track from A to B, measured at A, is 100°(T). What is the rhumb line bearing from A to B?
Correct answer is – 104°(T)
Q73. An Agonic line is a line that connects:
Correct answer is – positions that have 0° variation
Q74. The diameter of the Earth is approximately:
Correct answer is – 12 700 km
Q75. You are navigating in the Northern hemisphere based on a chart with a convergence of 30° between your departure and destination. Select the correct statement.
Correct answer is – Your great circle track will change by 30° throughout the flight
Q76. What is the time required to travel along the parallel of latitude 60° N between meridians 010° E and 030° W at a groundspeed of 480 kt?
Correct answer is – 2 HR 30 MIN
Q77. The lines on the earth’s surface that join points of equal magnetic variation are called:
Correct answer is – isogonals
Q78. Find the great circle distance from A (65 N 135E ) to B (14 S 045W).
Correct answer is – 7740 nm
Q79. An aircraft departing A (N40° 00′ E080° 00′) flies a constant true track of 270° at a ground speed of 120 kt. What are the coordinates of the position reached in 6 HR?
Correct answer is – N40° 00′ E064° 20′
Q80. Which of the following statements concerning earth magnetism is completely correct?
Correct answer is – An isogonal is a line which connects places with the same magnetic variation, the aclinic is the line of zero magnetic dip
Q81. An aircraft starts from P (005 S 005W) and flies 600 Nm towards NORTH to Q. From Q it maintains a track of 270 and covers 1200 Nm up to R. From R maintains track 180 for 570 Nm. what’s the current position of the aircraft.
Correct answer is – 04 30 S 025 05 W
Q82. The value of magnetic variation:
Correct answer is – has a maximum of 180°
Q83. An aircraft at position 30S 170E travels 1800 NM due North, then travels 1800 NM due East, then 1800 NM due south and then 1800 NM due west. What is the aircraft’s final position?
Correct answer is – 30 00 S 174 38 W
Q84. An aircraft starts from P (005 S 005W) and flies 2400 Nm towards EAST to Q. From Q it maintains a track of 180 and covers 660 Nm up to R. From R maintains track 090 for 560 Nm. what’s the current position of the aircraft.
Correct answer is – 16 00 S 044 51 E
Q85. Deviation applied to magnetic heading gives:
Correct answer is – compass heading
Q86. An aircraft at latitude 10° South flies north at a GS of 890 km/HR. What will its latitude be after 1.5 HR?
Correct answer is – 02°00’N
Q87. The great circle distance between position A (59°34.1’N 008°08.4’E) and B (30°25.9’N 171°51.6’W) is:
Correct answer is – 5 400 NM
Q88. The automatic flight control system (AFCS) in an aircraft is coupled to the guidance outputs from an inertial navigation system (INS) and the aircraft is flying from waypoint No. 2 (60 00S 070 00W) to No. 3 (60 00S 080 00W). Comparing the initial track (T) at 070 00W and the final track (T) at 080 00W, the difference between them is that the initial track is approximately:
Correct answer is – 9 less than the final one.
Q89. The circumference of the earth is approximately:
Correct answer is – 21600 NM
Q90. Find the great circle distance from A (85 S 105E ) to B (55 S 075W).
Correct answer is – 2400
Q91. Find the great circle distance from A (65N 085E ) to B (55 S 095W).
Correct answer is – 10200
Q92. An aeroplane flies from A (59 S 142 W) to B (61 S 148W) with a TAS of 480 kt. The autopilot is engaged and coupled with an Inertial Navigation System in which AB track is active. On route AB, the true track?
Correct answer is – Increases by 5
Q93. When flying on a westerly great circle track in the southern hemisphere you will:
Correct answer is – Experience an increase in the value of the true track
Q94. An aircraft departs from position A (04°10′ S 178°22’W) and flies northward following the meridian for 2950 NM. It then flies westward along the parallel of latitude for 382 NM to position B. The coordinates of position B are?
Correct answer is – 45°00’N 172°38’E
Q95. What is the correct definition of latitude of a position on the Earth?
Correct answer is – Latitude is the angle between the plane of the equator and the line from the centre of the earth to the position
Q96. An aircraft takes off from A: 30S 175E and flown to B 300Nm on track 090. After B, maintains a track of 180 for 720Nm reaches to C. From C maintains a track of 090 for 1200Nm. What is its final position?
Correct answer is – 42 00 S 152 20 E
Q97. In order to fly from position A (10°00’N, 030°00’W) to position B (30°00’N, 050°00’W), maintaining a constant true course, it is necessary to fly:
Correct answer is – a rhumb line track
Q98. The horizontal component of the earth’s magnetic field:
Correct answer is – is approximately the same at magnetic latitudes 50°N and 50°S
Q99. An aircraft starts from P (020 N 170W) and flies 900 Nm towards EAST to Q. From Q it maintains a track of 360 and covers 420 Nm up to R. From R maintains track 270 for 300 Nm. What’s the current position of the aircraft.
Correct answer is – 27 00 N 159 39 W
Q100. The Earth can be considered as being a magnet with the:
Correct answer is – blue pole near the north pole of the earth and the direction of the magnetic force pointing straight down to the earth’s surface