Results
Q1. 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 100T?
104T.
Q2. The north and south magnetic poles are the only positions on the earth’s surface where:
a freely suspended compass needle will stand vertical
Q3. Find the great circle distance from A (85S 105E) to B (55 S 075W).
2400
Q4. A Rhumb line is:
a line on the surface of the earth cutting all meridians at the same angle
Q5. Find the great circle distance from A (65N 085E) to B (55 S 095W).
10200
Q6. What is the definition of magnetic variation?
The angle at a given geographic spot between the directions from the spot to True North and Magnetic North
Q7. A negative (westerly) magnetic variation signifies that:
True North is East of Magnetic North
Q8. An aircraft departs from position A (04Degree 10Degree S~178Degree 22Degree 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?
45Degree 00Degree N 172Degree 38Degree E
Q9. An aeroplane flies from A (590S 1420W) to B (610S 1480W) with a TAS of 480 kts… On route AB, the true track:
increases by 5
Q10. In order to fly from position A (10Degree 00N , 030Degree 00Degree W) to position B (30Degree 00Degree N 050Degree 00Degree W , maintaining a constant true course, it is necessary to fly:
a rhumb line track
Q11. Which definition of the equator is correct?
The equator is a great circle with its plane perpendicular to the Earth’s rotational axis
Q12. The circumference of the earth is approximately:
21600 NM
Q13. Lines of latitude on a chart are always:
Small circles except for the Equator
Q14. At what approximate latitude is the length of one minute of arc along a meridian equal to one NM (1852 m) correct?
45Degree
Q15. 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?
30 NM and 60 NM
Q16. 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.
16 00 S 044 51 E
Q17. A semi great circle on the Earth which is running from the North Pole to the South Pole is a:
meridian
Q18. What is the formula for conversion angle?
(Change of longitude / 2) x Sine mean latitude
Q19. Which of the following statements concerning earth magnetism is completely correct?
An isogonal is a line which connects places with the same magnetic variation, the aclinic is the line of zero magnetic dip
Q20. 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?
05 00 S 056 41 E
Q21. Given: The coordinates of the heliport at Issy les Moulineaux are N48Degree 50Degree E002Degree 16.5Degree . The coordinates of the antipodes are:
S48Degree 50Degree W177Degree 43.5Degree
Q22. A line drawn on a chart which joins all points where the value of magnetic variation is zero is called an:
agonic line
Q23. The maximum difference between geocentric and geodetic latitude occurs at about:
45° North and South
Q24. You fly from 49N to 58N along the 180~E/W meridian. What is the distance in kilometres?
1000 km
Q25. If an aeroplane was to circle around the Earth following parallel 60Degree 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:
960 kt
Q26. What is the shortest distance between Point ‘A’ (3543N 00841E) and Point ‘B’ (5417N 17119W)?
5400 NM
Q27. 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?
0400N 170°00’35.”W
Q28. The agonic line:
indicates zero variation
Q29. The lines on the earth’s surface that join points of equal magnetic variation are called:
isogonals
Q30. On a direct Mercator chart, a Rhumb Line appears as a:
Straight line
Q31. The angle between True North and Magnetic North is called:
variation
Q32. A flight is to be made from A ( 49Degree S~180Degree E/W ) to B ( 58Degree S~180Degree E/W ). The distance in kilometres from A to B is approximately:
1000
Q33. 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?
270
Q34. An aircraft departing A(N40Degree 00Degree E080Degree 00Degree ) flies a constant true track of 270Degree at a ground speed of 120 kt. What are the coordinates of the position reached in 6 HR?
N40Degree 00Degree E064Degree 20Degree
Q35. An aircraft at position 60Degree N 005Degree W tracks 090Degree (T) for 315 km. On completion of the flight the longitude will be:
000Degree 40Degree E
Q36. Which definition of the equator is correct?
The equator is a great circle with its plane perpendicular to the Earth’s rotational axis –
Q37. What is the value of the magnetic dip at the magnetic south pole?
90Degree
Q38. 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 10Degree change of longitude?
30S and 25S
Q39. The diameter of the Earth is approximately:
12 700 km
Q40. The compression factor of the Earth:
All answers are correct
Q41. Grivation is the combination of
Variation and Grid Convergence
Q42. What is the time required to travel along the parallel of latitude 60Degree N between meridians 010Degree E and 030Degree W at a groundspeed of 480 kt?
2 HR 30 MIN
Q43. The suns moves from East to West at a speed of 15° longitude an hour. What ground speed will give you the opportunity to observe the sun due south at all times at 6000N
450 Kt. –
Q44. An aircraft flies a great circle track from 56Degree N 070Degree W to 62Degree N 110Degree E. The total distance travelled is?
3720 NM
Q45. An aircraft starts from P(05N 160E) and flies 200 Nm towards South. What’s the current position of the aircraft.
01°40’N 160°00’E – Type: Latitude Change (N/S). Formula: 1 NM = 1 minute Lat. ChLat = 200 min = 3.33 degrees. Start Lat: 05°00’N. Direction: South. New Lat: 01°40’N.
Q46. The poles on the surface of the earth may be defined as
The points where the earth’s axis of rotation cuts the surface of the earth –
Q47. Deviation applied to magnetic heading gives:
compass heading
Q48. 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 10Degree changes of longitude?
60 N and 55 Ν.
Q49. Ground speed is 540 knots. 72 NM to go. What is time to go?
8 min
Q50. An aircraft starts from P(50 S 169W) and flies 600 Nm towards West. what’s the current position of the aircraft.
50°00’S 175°27’E – Type: Departure (E/W). Formula: ChLong(min) = Dist / cos(Lat). ChLong = 600 / cos(50) = 933.4 min = 15.56 degrees. Start Long: 169°00’W. Direction: West. New Long: 175°27’E.
Q51. The ‘departure’ between positions 60Degree N 160Degree E and 60Degree NDegree xDegree is 900 NM. What is the longitude of ‘x’?
170Degree W
Q52. 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. Position?
16 00 S 044 51 E
Q53. 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 010W. What is the approximate track change on passing WPT 2?
9 increase.
Q54. 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 090for 1200Nm. What is its final position?
42 00 S 152 20 W
Q55. The circumference of the parallel of latitude at 60Degree N is approximately:
10 800 NM
Q56. What is the correct definition of latitude of a position on the Earth?
Latitude is the angle between the plane of the equator and the line from the centre of the earth to the position
Q57. The Great Circle bearing of ‘B'(70 S 060 E), from ‘A'(70 S 030 W), is approximate?
135(T).
Q58. What is the rhumb line track from A (4500N 01000W) to B (4830N 00500W)?
045Degree T
Q59. 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?
6 356.9
Q60. 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?
104Degree (T)
Q61. The directive force acting on a compass needle in an aircraft:
Is the resultant magnetic force in the horizontal plane in the position where the compass is installed
Q62. The automatic flight control system… from waypoint No. 2 (60S 070W) to No. 3 (60S 080W). Comparing the initial track (T)… difference is that the initial track is:
9 less than the final one.
Q63. 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?
Increases by 5
Q64. 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. Final position?
40 00 N 163 01 W
Q65. 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. Current position?
04 30 S 025 05 W
Q66. An aircraft at position 30S 170W 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?
30 00 S 174 38 W
Q67. 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. Final position?
27 00 N 159 39 W
Q68. What is the longitude of a position 6 NM to the east of 58Degree 42Degree N 094Degree 00Degree W?
093Degree 48.5Degree W
Q69. 3. An aircraft starts at position 05S 170W and heads true north for 1800 NM, then turns 90 degrees Right, and maintains a rhumb line track for 100 Nm. What is its final position?
25°00’N 168°10’W – Leg 1 (N 1800 NM): dLat 30°. New Lat 25°N. Leg 2 (E 100 NM): dLong = 100/cos(25) = 110.3 min = 1°50′. New Long 170W – 1°50′ = 168°10’W.
Q70. Find the great circle distance from A (30S 065E) to B (30 S 115W).
7200 nm
Q71. The value of magnetic variation:
has a maximum of 180Degree
Q72. The horizontal component of the earth’s magnetic field:
is approximately the same at magnetic latitudes 50Degree N and 50Degree S
Q73. The Great Circle bearing of ‘B'(70 S 060 E), from ‘A'(70 S 030 W), is approximate?
135(T).
Q74. Isogrivs are lines that connect positions that have:
the same grivation
Q75. What is the great circle track (measured from the starting position) from 70S 030 W to 70 S 060 E.
132 T
Q76. Consider the following statements on longitude:
The largest value of longitude is 1800
Q77. Isogonals converge at the:
North and South geographic and magnetic poles
Q78. The variation at a position is 13W and the true track is 136. Consider the following statements and choose the correct one:
The magnetic track is 149
Q79. An aircraft starts at position 50N 030 E & flown 600Nm on track 270, then makes a 90degree 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?
43 00 N 032 40 E
Q80. The Earth can be considered as being a magnet with the:
blue pole near the north pole of the earth and the direction of the magnetic force pointing straight down to the earth’s surface
Q81. An aircraft at latitude 02Degree 20Degree N tracks 180Degree (T) for 685 km. On completion of the flight the latitude will be:
03Degree 50Degree S
Q82. 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?
51 20 S 004 00 E
Q83. What is the approximate course (T) and distance between Waterford VOR (WTD, 5212N 00705W) and Sligo VOR (SLG, 5417N 00836W)?
336; 137 NM
Q84. An aircraft at latitude 10Degree South flies north at a GS of 890~km/HR What will its latitude be after 1.5 HR?
02Degree 00Degree N
Q85. 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?
100
Q86. 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. Position?
27 00 N 176 33 E
Q87. When flying on a westerly great circle track in the southern hemisphere you will:
Experience an increase in the value of the true track
Q88. Isogrives are lines that connect positions that have:
the same grivation
Q89. The angle between Magnetic North and Compass North is called:
compass deviation
Q90. Find the distance between A (30S 065W) and B (30S 165W).
5196 – Formula: Departure = ChLong(min) * cos(Lat). ChLong =
Q91. 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?
9 increase.
Q92. The great circle distance between position A (59Degree 34.1Degree N~008Degree 08.4Degree E) and B (30Degree 25.9Degree N~171Degree 51.6Degree W) is:
5 400 NM
Q93. Which of the following statements concerning the earth’s magnetic field is completely correct?
The blue pole of the earth’s magnetic field is situated in North Canada
Q94. The charted values of magnetic variation on earth normally change annually due to:
magnetic pole movement causing numerical values at all locations to increase or decrease
Q95. Isogonic lines connect positions that have:
the same variation
Q96. The rhumb-line distance between points A (60Degree 00Degree N~002Degree 30Degree E) and B (60Degree 00Degree N007Degree 30Degree W) is:
300 NM
Q97. When is the magnetic compass most effective?
About midway between the magnetic poles
Q98. The variation at a position is 13W and the true track is 136. Consider the following statements and choose the correct one:
The magnetic track is 149
Q99. The angle between the plane of the Equator and the plane of the Ecliptic is:
23.5Degree
Q100. 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.
Your great circle track will change by 30 throughout the flight