#2. The angle between the plane of the ecliptic and the plane of equator is approximately :
#3. Which is the highest latitude listed below at which the sun will rise above the horizon and set every day?
#4. In which two months of the year is the difference between the transit of the Apparent Sun and Mean Sun across the Greenwich Meridian the greatest?
#5. What is the highest latitude listed below at which the sun will reach an altitude of 90° above the horizon at some time during the year?
#6. Assuming mid-latitudes (40° to 50°N/S).At which time of year is the relationship between the length of day and night, as well as the rate of change of declination of the sun, changing at the greatest rate?
#7. At what approximate date is the earth closest to the sun (perihelion)?
#8. At what approximate date is the earth furthest from the sun (aphelion)?
#9. Seasons are due to the:
#10. 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?
#11. 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 the place of departure A, is:
#12. Given: Waypoint 1. 60°S 030°W Waypoint 2. 60°S 020°WWhat will be the approximate latitude shown on the display unit of an inertial navigation system at longitude 025°W?
#13. 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?
#14. A Rhumb line is :
#15. A great circle track joins position A (59°S 141°W) and B (61°S 148°W). What is the difference between the great circle track at A and B?
#16. What is the longitude of a position 6 NM to the east of 58°42’N 094°00’W?
#17. 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?
#18. Position A is located on the equator at longitude 130°00E. Position B is located 100 NM from A on a bearing of 225°(T).The coordinates of position B are:
#19. 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:
#20. The rhumb line track between position A (45°00’N, 010°00’W) and position B (48°30’N, 015°00’W) is approximately:
#21. The diameter of the Earth is approximately
#22. The maximum difference between geocentric and geodetic latitude occurs at about:
#23. 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:
#24. Given:Position A 45°N, ?°EPosition B 45°N, 45°15’EDistance A-B = 280 NMB is to the East of ARequired: longitude of position A?
#25. If an aeroplane was to circle around the Earth following parallel 60°N at a ground speed 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:
#26. An aircraft passes position A (60°00’N 120°00’W) on route to position B (60°00’N 140°30’W). What is the great circle track on departure from A?
#27. An aeroplane flies from A (59°S 142°W) to B (61°S 148°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:
#28. The circumference of the earth is approximately:
#29. The Great Circle bearing of ‘B’ (70°S 060°E), from ‘A’ (70° S 030° W), is approximately:
#30. At what approximate latitude is the length of one minute of arc along a meridian equal to one NM (1852 m) correct?
#31. An aircraft flies a great circle track from 56° N 070° W to 62° N 110° E. The total distance travelled is?
#32. Given :A is N55° 000°B is N54° E010°The average true course of the great circle is 100°.The true course of the rhumbline at point A is:
#33. The circumference of the parallel of latitude at 60°N is approximately
#34. Given:The coordinates of the heliport at Issy les Moulineaux are:N48°50′ E002°16.5’The coordinates of the antipodes are :
#35. Given:Position ‘A’ is N00° E100°, Position ‘B’ is 240°(T), 200 NM from ‘A’.What is the position of ‘B’?
#36. The duration of civil twilight is the time:
#37. On the 27th of February, at 52°S and 040°E, the sunrise is at 0243 UTC. On the same day, at 52°S and 035°W, the sunrise is at:
#38. What is the local mean time, position 65°25’N 123°45’W at 2200 UTC?
#39. The Local Mean Time at longitude 095°20’W, at 0000 UTC, is :
#40. 5 HR 20 MIN 20 SEC corresponds to a longitude difference of:
#41. The main reason that day and night, throughout the year, have different duration, is due to the:
#42. What is the meaning of the term “”standard time”” ?
#43. Civil twilight is defined by :
#44. Given: true track is 348°, drift 17° left, variation 32° W, deviation 4°E. What is the compass heading?
#45. An Agonic line is a line that connects:
#46. Isogonic lines connect positions that have:
#47. Compass deviation is defined as the angle between:
#48. The angle between True North and Magnetic North is called :
#49. Deviation applied to magnetic heading gives:
#50. Isogrives are lines that connect positions that have
