Vision Ground ClassesTest 3Questions: 50 Time: 90 minsMarks: 100Set by Capt. Nalin Khanna+91-9664235003/+91-9833311414

1. If an aircraft flew around the world along a parallel of 6230N at a groundspeed of 512 kts, the flying time would bea) 18 hours 10 minutes 22 seconds b) 19 hours 28 minutes 48 seconds c) 20 hours 18 minutes 12 seconds

2. The Latitude where the distance between two meridians is half the distance between the same two meridians at 25N isa) 6208N b) 6231N c) 6303N

3. The length of one nautical mile is: a) Constant b) Maximum at the poles c) Maximum at the equator

4. Two aircraft depart from airfields 874 nm apart at the same time and pass each other after 68 minutes. At the crossing point one aircraft has covered 65 % of the distance. The groundspeed of the two aircraft are: a) 501 & 270 b) 492 & 279 c) 481 & 290

5. A line drawn on a chart which joins all points where the value of magnetic variation is zero is called an:A isotachB agonic lineC aclinic lineD isogonal

6. Given:Airport elevation is 1000 ft.QNH is 988 hPa.What is the approximate airport pressure altitude?(Assume 1 hPa = 27 FT)A 1680 FTB 320 FTC 680 FTD - 320 FT

7. An aircraft at latitude 10North flies south at a groundspeed of 445 km/HR. What will be its latitude after 3 HR?A 0350'SB 0200'SC 1215'SD 2200'S

8. Given:Distance 'A' to 'B' 2484 NMGroundspeed 'out' 420 ktGroundspeed 'back' 500 ktThe time from 'A' to the Point of Equal Time (PET) between 'A' and 'B' is:A 193 MINB 163 MINC 173 MIND 183 MIN

9. The distance between positions A and B is 180 NM. An aircraft departs position A and after having travelled 60 NM, its position is pinpointed 4 NM left of the intended track. Assuming no change in wind velocity, what alteration of heading must be made in order to arrive atposition B?A 2 LeftB 4 RightC 6 RightD 8 Right

10. Given:Distance A to B is 360 NM.Wind component A - B is -15 kt,Wind component B - A is +15 kt,TAS is 180 kt.What is the distance from the equal-time-point to B?A 180 NMB 170 NMC 165 NMD 195 NM

11. On a chart, the distance along a meridian between latitudes 45N and 46N is 6 cm. The scale of the chart is approximately:A 1 : 1 850 000B 1 : 1 000 000C 1 : 185 000D 1 : 18 500 000

12. On a Lambert conformal conic chart, with two standard parallels, the quoted scale is correct:A along the parallel of originB along the prime meridianC along the two standard parallelsD in the area between the standard parallels13. On which of the following chart projections is it NOT possible to represent the north or south poles?A Transverse MercatorB Polar stereographicC Direct MercatorD Lambert's conformal

14. Which of the following correctly lists the order of available selections of the Mode Selector switches of an inertial reference system (IRS) mode panel?A OFF - ALIGN - ATT - NAVB OFF - ALIGN - NAV - ATTC OFF - ON - ALIGN - NAVD OFF - STBY - ALIGN NAV

15. Given:Direct Mercator chart with a scale of 1 : 200 000 at equator; Chart length from 'A' to 'B', in the vicinity of the equator, 11 cm. What is the approximate distance from 'A' to 'B'?A 21 NMB 22 NMC 14 NMD 12 NM

16. The value of magnetic variation:A varies between a maximum of 45 East and 45 WestB cannot exceed 90C has a maximum of 180D must be 0 at the magnetic equator

17. On a Direct Mercator, rhumb lines are:A curves convex to the equatorB straight linesC curves concave to the equatorD ellipses

18. When is the magnetic compass most effective?A In the region of the magnetic South Pole.B In the region of the magnetic North Pole.C On the geographic equatorD About midway between the magnetic poles

19. Given:TAS = 485 kt,OAT = ISA +10C,FL 410.Calculate the Mach Number?A 0.90B 0.85C 0.87D 0.825

20. Parallels of latitude on a Direct Mercator chart are :A straight lines converging above the poleB parallel straight lines unequally spacedC parallel straight lines equally spacedD arcs of concentric circles equally spaced

21. Given:True course 300drift 8Rvariation 10Wdeviation -4Calculate the compass heading?A 322B 294C 278D 306

22. Given:Distance 'A' to 'B' 3623 NMGroundspeed 'out' 370 ktGroundspeed 'back' 300 ktThe time from 'A' to the Point of Equal Time (PET)between 'A' and 'B' is:A 238 MINB 263 MINC 288 MIND 323 MIN

23. A Rhumb line is :A any straight line on a Lambert projectionB a line convex to the nearest pole on a Mercator projectionC a line on the surface of the earth cutting all meridians at the same angleD the shortest distance between two points on a Polyconic Projection

24. An Oblique Mercator projection is used specifically toproduce:A charts of the great circle route between two pointsB radio navigational charts in equatorial regionsC topographical maps of large east/ west extentD plotting charts in equatorial regions

25. Which one of the following, concerning great circles on a Direct Mercator chart, is correct?A They are all curves concave to the equatorB They approximate to straight lines between the standard parallelsC They are all curves convex to the equatorD With the exception of meridians and the equator, they are curves concave to the equator

26. Given the following:Magnetic heading: 060Magnetic variation: 8WDrift angle: 4 rightWhat is the true track?A 072B 056C 064D 048

27. The angle between Magnetic North and Compass North is called:A magnetic variationB alignment errorC compass deviationD compass error

28. An aircraft was over 'Q' at 1320 hours flying direct to 'R'.Given:Distance 'Q' to 'R' 3016 NMTrue airspeed 480 ktMean wind component 'out' -90 ktMean wind component 'back' +75 ktThe ETA for reaching the Point of Equal Time (PET) between 'Q' and 'R' is:A 1756B 1820C 1742D 1752

29. Given:Distance 'Q' to 'R' 1760 NMGroundspeed 'out' 435 ktGroundspeed 'back' 385 ktSafe endurance 9 HRThe distance from 'Q' to the Point of Safe Return (PSR) between 'Q' and 'R' is:A 1313 NMB 1467 NMC 1642 NMD 1838 NM

30. An aircraft was over 'A' at 1435 hours flying direct to 'B'.Given:Distance 'A' to 'B' 2900 NMTrue airspeed 470 ktMean wind component 'out' +55 ktMean wind component 'back' -75 ktThe ETA for reaching the Point of Equal Time (PET) between 'A' and 'B' is:A 1846B 1721C 1657D 174431. Given:Distance 'A' to 'B' 1973 NMGroundspeed 'out' 430 ktGroundspeed 'back' 385 ktSafe endurance 7 HR 20 MINThe distance from 'A' to the Point of Safe Return (PSR) 'A' is:A 1490 NMB 1664 NMC 1698 NMD 1422 NM

32. Approximately how many nautical miles correspond to 12 cm on a map with a scale of 1 : 2 000 000?A 329B 43C 130D 150

33. An aircraft passes position A (6000'N 12000'W) on route to position B (6000'N 14030'W). What is the great circle track on departure from A?A 279B 288C 261D 270

34. Which one of the following statements is correct concerning the appearance of great circles, with the exception of meridians, on a Polar Stereographic chart whose tangency is at the pole ?A The higher the latitude the closer they approximate to a straight lineB Any straight line is a great circleC They are complex curves that can be convex and/or concave to the PoleD They are curves convex to the Pole

35. What is the ISA temperature value at FL 330?A -56CB -66CC -81CD -50C

36. 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?A 45B 66C 0D 23

37. An aircraft flies the following rhumb line tracks and distances from position 0400'N 03000'W : 600 NM South, then 600 NM East, then 600 NM North, then 600 NM West. The final position of the aircraft is:A 0358'N 03002'WB 0400'N 02958'WC 0400'N 03002'WD 0400'N 03000'W

38. Given:Position 'A' is N00 E100,Position 'B' is 240(T), 200 NM from 'A'.What is the position of 'B'?A N0140' E09707'B S0140' E10140'C N0140' E10140'D S0140' E09707'

39. A negative (westerly) magnetic variation signifies that :A Compass North is West of Magnetic NorthB True North is East of Magnetic NorthC True North is West of Magnetic NorthD Compass North is East of Magnetic North

40. On a direct Mercator projection, the distance measured between two meridians spaced 5 apart at latitude 60N is 8 cm. The scale of this chart at latitude 60N is approximately:A 1 : 7 000 000B 1 : 6 000 000C 1 : 3 500 000D 1 : 4 750 000

41. A chart has the scale 1 : 1 000 000. From A to B on the chart measures 1.5 inches (one inch equals 2.54 centimetres), the distance from A to B in NM is :A 44.5B 54.2C 20.6D 38.1

42. Which one of the following describes the appearance of rhumb lines, except meridians, on a Polar Stereographic chart?A Straight linesB Curves concave to the PoleC Ellipses around the PoleD Curves convex to the Pole

43. At what approximate date is the earth furthest from the sun (aphelion)?A End of DecemberB Beginning of JanuaryC End of SeptemberD Beginning of July

44. On a transverse Mercator chart, the scale is exactly correct along the:A prime meridian and the equatorB meridians of tangencyC equator and parallel of originD meridian of tangency and the parallel of latitude perpendicular to it45. Given:Distance 'A' to 'B' 2346 NMGroundspeed 'out' 365 ktGroundspeed 'back' 480 ktThe time from 'A' to the Point of Equal Time (PET) between 'A' and 'B' is:A 219 MINB 290 MINC 197 MIND 167 MIN

46. What is the local mean time, position 6525'N 12345'W at 2200 UTC?A 0615B 0815C 1345D 2200

47. On the 27th of February, at 52S and 040E, the sunrise is at 0243 UTC. On the same day, at 52S and 035W, the sunrise is at:A 0243 UTCB 2143 UTCC 0523 UTCD 0743 UTC

48. The Local Mean Time at longitude 09520'W, at 0000 UTC, is :A 0621:20 previous dayB 1738:40 same dayC 0621:20 same dayD 1738:40 previous day

49. The diameter of the Earth is approximately:A 12 700 kmB 6 350 kmC 18 500 kmD 40 000 km

50. The parallels on a Lambert Conformal Conic chart are represented by:A straight linesB parabolic linesC hyperbolic linesD arcs of concentric circles