Question Bank

1. The 'departure' between positions 60°N 160° E and 60° N 'x' is 900 NM. What is the longitude of 'x'?

2. The angle between the true great-circle track and the true rhumb line track joining the following points: A (60° S 165° W) B (60° S 177° E), at place of departure A, is?

3. Given: Waypoint 1. 75° S 030°W, Waypoint 2. 75° S 020°W. What will be the approximate latitude shown on the display unit of an inertial navigation system at longitude 025°W?

4. How are great circles shown on a direct Mercator chart?

5. Given: Position A 45° N, ?°E, Position B 45°N, 45° 15'E Distance A-B =200 NM, B is to the East of A, What is the longitude of position A?

6. Given: Position A 45°N, ?°E, Position B 45° N, 50° 15'E Distance A-B=280 NM, B is to the East of A, What is the longitude of position A?

7. An aircraft departs from position A (90° 10' S 178° 22'W) and flies northward following the meridian for 2750 NM. It then files westward along the parallel of latitude for 400 NM to position B. The coordinates of position B are?

8. The 'departure' between positions 60°N 90°E and 60° N 'x' is 1200 NM. What is the longitude of 'x'?

9. Which one of the following, concerning great circles on a Direct Mercator chart, is correct?

10. An aircraft is flying with the aid of an inertial navigation system (INS) connected to the autopilot. The following points have been entered in the INS computer: WPT 1: 60°N 030°W, WPT 2: 60° N 020°W has been passed, the latitude shown on the display unit of the inertial navigation system will be?

11. On a polar stereographic projection chart showing the South Pole, a straight line joins position A (75°S 065°E) to position B (75°S 025°W). The true course on departure from position A is approximately?

12. An aircraft files the following rhumb line tracks and distances from position 04° 00'N 030° 00'W; 700 NM South, then 700 NM East, then 700 NM North, then 700 NM West. The final position of the aircraft is?

13. The Great Circle bearing of 'B' (70° S 050° E), from 'A' (70°S 030°W), is approximately?

14. Two positions plotted on a polar stereographic chart, A (80°N 000°) and (70°N 102°W) are joined by a straight lie whose highest latitude is reached at 035°W. At point B, the true course is?

15. Two positions plotted on a polar stereographic chart, A (80°N 000°) and B (70°N 102°W) are joined by a straight line whose highest latitude is reached at 035°W. At point B, the true course is?

16. Parallels of latitude, except the equator, are?

17. A perfactly straight line on a Lamberts chart is?

18. What is a rhumb line?

19. An aeroplane flies from A (59° S 140° W) to B(61° S 149° W)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?

20. The automatic flight control system is coupled to the guidance outputs from an inertial navigation system.Which pair of latitudes will give the greatest difference between initial track read-out and the average true course given, in each case, a difference of longitude of 10°?

21. An aircraft autopilot is coupled to the INS steering from Waypoint 1 at 60°N 050°W, to Waypoint 2 at 60°N 040°W. What is the approximate latitude of the aircraft on passing 45°W?

22. As the INS position of the departure aerodrome, coordinates 35° 32.7'N 139° 46.3'W are input insted of 35° 32.7'N 139 46.3'E. When the aircraft subsequently passes point 52° N 180°W, the longitude value shown on the INS will be?

23. An aircraft files the following rhumb line tracks and distances from position 04°00'N 030° 00'W: 600 NM South, then 600 NM East, then 600 NM North, then 600 NM West. The final position of the aircraft is?

24. A straight line on a Lambert Conformal Projection chart for normal flight planning purposes?

25. Position A is 58°N 030°W and position B is 52°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?

26. Given: Position A 45°N, ?°E, Position B 45° 15'E Distance A-B =350 NM, B is to the East of A, What is the longitude of position A?

27. Given: Position A 45° N, ?°E, Poition B 45° N 45° 15'E Distance A-B=280 NM, B is to the East of A, What is the longitude of position A?

28. The following points are entered into an inertial navigation system (INS), WPT 1: 60° N 30°W, WPT 2 : 60°N 20°W, WPT 3: 60° N 10°W. The inertial navigation system is connected to the automatic pilot on route (1-2-3). The track change when passing WPT 2 will be approximately?

29. What is the great circle track (measured from the starting position) from 70°S 035°W, to 70°S 065°E?

30. The 'departure' between positions 60°N 60°E and 60°N 'x' is 1800 NM East. What is the longitude of 'x'?

31. 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 point, which are separated by 15° change of longitude?

32. An aircraft autopilot is coupled to the INS steering from Waypoint 1 at 60°N 040°W. to Waypoint 2 at 60°N 030°W. What is the approximate latitude of the aircraft on passing 35°W?

33. An aircraft departs from position A (04° 10' S 178° 22'W) and files northward following the meridian for 2950 NM. It then files westward along the parallel of latitude for 382 NM to position B. The coordinates of position B are?

34. On a Lambert Conformal Conic great circles that are not meridians are?

35. A Rhumb line is?

36. The Great Circle bearing of 'B' (70° S 060° E), from 'A' (70° S 030°W), is approximately?

37. In order to fly from position A (10° 00'N, 030° 00'W) t position B (30° 00'N, 050° 00'W) maintaining a constant true course, it is necessary to fly?

38. Given: Position A 45° N, ?°E, Position B 45°N, 45° 15'E Distance A-B =200 NM, B is to the East of A, What is the longitude of position A?

39. The automatic flight control system (AFCS) in an aircraft is coupled to the guidance outputs from an inertial navigation system (INS). The aircraft is flying between inserted waypoints No. 3 (55° 00'N 020° 00'W) and (55° 00'N 030° 00'W). With DSRTK/TS selected on the CDU, to the nearest whole degree, the initial track read-out from waypoint No. 3 will be?

40. Given: Waypoint 1.60° S 030°W, Waypoint 2,60° S 020°W. What will be the approximate latitude shown on the display unit of an inertial navigation system at longitude 025°W?

41. Which of the following is true of all parallels of latitude?

42. 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?

43. On a Direct Mercator, rhumb lines are?

44. What is a rhumb line?

45. An aircraft travels from point A to point B, using the autopilot connected to the aircraft's inertial system. The coordinates of A (65°S 010°W) and B(65°S 020°W) have been entered. The true course of the aircraft on its arrival at B, to the nearest degree, is?

46. What is the final position after the following rhumb line tracks and distances have been followed from position 60°00'N 030° 00'W? South for 3600 NM, East for 3600 NM, North for 3600 NM, West for 3600 NM?

47. On a Direct Mercator chart a great circle will be represented by a?

48. Given: A is N55° 000° B is N54° E010°. The average true course of the great circle is 100°. The true course of the rhumb line at point is?

49. What is the longitude of a position 15 NM to the east of 58° 42'N 094° 00'W?

50. A Lambert conformal conic chart has a constant of the cone of 0.80. A straight line course drawn on this chart from A (53°N 004°W) to B is 080° at A Course at B is 092°(T). What is the longitude of B?