Question Bank

1. The chart that is generally used for navigation in polar areas is based on a

2. On a chart, meridians at 43N are shown every 10 degrees apart. This is shown on the chart by a distance of 14 cm. What is the scale?

3. Gyro-compassing in an INS

4. What is the diameter of the Earth?

5. An aircraft starts at position 0410S 17822W and heads true north for 2950 nm,then turns 90 degrees left, and maintains a rhumb line track for 314 kilometers. What is its final position?

6. On a Polar Stereographic map, a straight line is drawn from position A (70N 102W) to position B (80N 006E). The point of highest latitude along this line occurs at longitude 035 W. What is the initial straight-line track angle from A to B, measured at A?

 

 

7. (For this question use Annex C) Complete line 5 of the ‘FLIGHT NAVIGATION LOG’, position ‘J’ to ‘K’. What is the HDG°(M) and ETA?

8. How do Rhumb lines (with the exception of meridians) appear on a Polar Stereographic chart?

9. During a low level flight 2 parallel roads are crossed at right angles by an aircraft. The time between these roads can be used to check the aircraft

10. In an Inertial Navigation System, what is the output of the first stage North/South integrator?

11. An aircraft at position 0000 N/S 16327W flies a track of 225°T for 70 nm. What is its new position?

12. IRS differs from INS in that it

13. At the magnetic equator

14. OAT = +35°C, Pressure alt = 5000 feet. What is true alt?

15. On a Direct Mercator chart, great circles are shown as

16. In an Inertial Navigation System (INS), Ground Speed (GS) is calculated

17. In the Boeing 737-400 FMS, the CDU is used to

18. An aircraft has a TAS of 300 knots and a safe endurance of 10 hours. If the wind component on the outbound leg is 50 knots head, what is the distance to the point of safe endurance?

19. The following waypoints are entered into an inertial navigation system (INS) WPT 1: 60N 30W WPT 2: 60N 20W WPT 3: 60N 10W The inertial navigation is connected to the automatic pilot on the route WP1 → WP2 → WP3. The track change on passing WPT 2 will be approximately

20. What are the levels of message on the Boeing 737-400 FMC?

 

 

21. On a Lambert’s chart the constant of the cone is 0.80. A is at 53N 04W. You plan to fly to B. The initial Lambert’s chart straight-line track is 070T and the Rhumb Line track from A to B is 082T. What is the longitude of B?

22. Civil Twilight occurs between

23. On a chart, 49 nautical miles is represented by 7.0 centimetres. What is the scale?

24. Reference Jeppesen E(LO)1, position 5211N 00931W, which of the following denotes all the symbols?

25. An aircraft is flying around the Earth eastwards along the 60N parallel of latitude at a groundspeed of 240 knots. At what groundspeed would another aircraft have to fly eastwards along the Equator to fly once round the Earth in the same journey time?

26. What is the reason for seasonal changes in climate?

27. On the Jeppesen E(LO)1, Kerry (5210.9N 00932.0W) is 41 nm DME, Galway (5318.1N 00856.5W) is 50 nm DME. What is your position?

28. What is the advantage of the remote indicating compass (slaved gyro compass) over the direct reading magnetic compass?

29. The initial straight track from A(75N 60E) to B (75N 60W) on a Polar Stereographic chart is

30. Given: For take-off an aircraft requires a headwind component of at least 10 kt and has a crosswind limit of 35 kt. The angle between the wind direction and the runway is 60°. Calculate the maximum and minimum allowable wind speeds

31. 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°. What is the longitude of B?

32. Heading is 156°T, TAS is 320 knots, W/V is 130/45. What is your true track?

33. The circumference of the Earth is approximately

34. The value of magnetic variation on a chart changes with time. This is due to

35. Please refer to Annex A. Which is the symbol for a VOR?

36. The rhumb-line distance between points A (60° 00’N 002° 30’E) and B (60° 00’N 007° 30’W) is

37. An aircraft at position 2700N 17000W travels 3000 km on a track of 180°T, then 3000 km on a track of 090°T, then 3000 km on a track of 000°T, then 3000 km on a track of 270°T. What is its final position?

38. You leave A to fly to B, 475 nm away, at 1000 hours. Your ETA at B is 1130. At 1040, you are 190 nm from A. What groundspeed is required to arrive on time at B?

39. What is a line of equal magnetic variation?

40. Your position is 5833N 17400W. You fly exactly 6 nm eastwards. What is your new position?

41. You are at FL 150 and the SAT is -5°C. You are over an airport with an elevation of 720 feet. The QNH is 1003. Assume 27 feet = 1HPa. What is your true height?

42. You are on a heading of 105°C, deviation 3 E. WTD NDB (5211.3N 00705.0W) bears 013 R, CRK VOR (5150.4N 00829.7W) QDM is 211. What is your position? (Use Jeppesen E(LO)1)

43. In an INS, what is the output of the E/W second-stage integrator?

44. Alignment of INS and IRS equipments can take place in which of the following modes?

45. What is the average true track and distance between WTD NDB (5211.3N 00705.0W) and FOY NDB (5234.0N 00911.7W) - use your Jeppesen E(LO)1 Track Dist

46. At what times of the year does the length of the hours of daylight change most rapidly?

47. In which month does aphelion occur?

48. An aircraft is flying TAS 180 knots and tracking 090°T. The W/V is 045/50. How far can the aircraft fly out from its base and return within 1 hour?

49. The purpose of the TAS input, from the air data computer, to the Inertial Navigation System is for

50. An aircraft on the Equator accelerates whilst traveling westwards. What will be the effect on a direct reading compass?