Question Bank

1. What will be the rate of descent when flying down a 5% glide slope, at a groundspeed of 450 knots?

2. If there is a 15 knot decrease in headwind by what amount must the rate of descent be changed in order to maintain a 3° glideslope?

3. What will be the rate of descent when flying down a 6% glide slope, at a groundspeed of 500 knots?

4. At 0400 an aircraft at FL370, GS 420kt, is on the direct track to VOR 'X' 185 NM distant. The aircraft is required to cross VOR 'X' at FL80. For a mean rate of descent of 1800 FT/MIN at a mean GS of 250 kt, the latest time at which to commence descent is ?

5. What is the rate of descent on a 12% glide slope if groundspeed is 320 knots?

6. At 0430 an aircraft is in level cruise flight at groundspeed of 350 knots, at FL 370, 165 nm from a VOR. It is required to descend at a mean rate of 1800 feet/min, to be at FL 80 overhead the VOR. What is the latest time to commence descent, if the mean ground speed in the descent is to be 200 knots?

7. If there is a 12 knot increase in headwind by what amount must the rate of descent be changed in order to maintain a 3° glideslope?

8. What will be the rate of descent when flying down a 7.5% glide slope, at a groundspeed of 400 knots?

9. An aircraft is on an ILS 3 degree glideslope, which passes over the runway threshold at a height of 50 feet. The DME range is 25 nm from the threshold. What is the height above the runway threshold elevation? (Use the 1 in 60 rule and the approximation 6000 feet = 1 nautical mile)

10. An aircraft at FL370 is required to commence descent when 120 nm from a DME facility and to cross the station at FL100. If the mean GS during the descent is 390 kt, minimum rate of descent required is approximately?

11. What will be the rate of descent when flying down 12% glide slope, at a groundspeed of 340 knots?

12. An aircraft is maintaining a 5.2% gradient is at 7 NM from the runway, on a terrain. Its height is approximately?

13. If there is a 5 knot increase in headwind by what amount must the rate of descent be changed in order to maintain a 3° glideslope?

14. At 105 nm from a VOR an aircraft commence a descent from FL350 in order to arrive overhead the VOR at FL120. What rate of descent is required if the mean groundspeed in the descent is to be 250 knots?

15. What will be the rate of descent when flying down a 10° glide slope, at a groundspeed of 400 knots?

16. At what approximate distance from the threshold would an aircraft intercept the glide path if the aircraft height is 2500 feet, and the ILS glide path angle is 3°?

17. What will be the rate of descent when flying down a 12% glide slope. at a groundspeed of 240 knots?

18. If there is a 15 knot increase in headwind by what amount must the rate of descent be changed in order to maintain a 3° glideslope?

19. For an aircraft at a height of 1500 feet, interception of a 3 ° ILS glide path will occur at approximately?

20. Given : ILS GP angle = 3.5 DEG, GS=250 kt Approximate rate of descent is ?

21. What will be the rate of descent when flying down a 10% glide slope, at a groundspeed of 350 knots.

22. 730 FT/MIN equals?

23. At 80 nm from a VOR an aircraft commences a descent from FL330 in order to arrive overhead the VOR at FL100. What rate of descent is required if the mean groundspeed in the descent is to be 240 knots?

24. An aircraft is descending down a 10% slope whilst maintaining a GS of 540 kt. The rate of descent of the aircraft is approximately?

25. An aircraft at FL 330 is required to commence descent when 95 NM from a VOR and to cross the VOR at FL100. The mean GS during the descent is 360 kt. What is the minimum rate of descent required?

26. What will be the rate of descent when flying down a 8% glide slope, at a groundspeed of 400 knots?

27. An aircraft at FL 350 is required to cross a VOR/DME facility at FL 110 and to commence descent when 100 NM from the facility. If the mean GS for the descent is 335 kt, the minimum rate of descent required is ?

28. When 65 nm from a VOR you commence a descent from FL330 with the intention of arriving at the VOR at FL100. What rate of descent is required if your mean ground speed is 240 knots?

29. At 75 nm from a VOR an aircraft commences a descent from FL350 in order to arrive overhead the VOR at FL120. What rate of descent is required if the mean groundspeed in the descent is to be 250 knots?

30. If there is a 65 knot decrease in headwind by what amount must the rate of descent be changed in order to maintain a 3° glideslope?

31. An aircraft at FL390 is required to descend to cross a DME facility at FL70. Maximum rate of descent is 2500 FT/MIN, mean GS during descent is 290 kt. Minimum range from the DME at which descent should commence is?

32. An aircraft at FL330 is required to commence descent when 65 NM from a VOR and to cross the VOR at FL100. The mean GS during the descent is 330 kt. What is the minimum rate of descent required?

33. If there is a 45 knot decrease in headwind by what amount must the rate of descent be changed in order to maintain a 3° glideslope?

34. An aircraft flying down a 3° ILS glideslope is at 35 nm DME from the threshold. Using the 1 in 60 approximating 1 nm to 6000 ft, calculate the aircraft height above the runway threshold, assuming that the ILS glidepath crosses the threshold at a height of 50 ft?

35. If there is a 25 knot increase in headwind by what amount must the rate of descent be changed in order to maintain a 3° glideslope?

36. An aircraft at FL350 is required to descend to cross a DME facility at FL80. Maximum rate of descent is 2000 FT/MIN and mean GS descent is 275 kt. The minimum range from the DME at which descent should start is?

37. An aircraft is on an ILS 3 degree glideslope, which passes over the runway threshold at a height of 50 feet. The DME range is 15 nm from the threshold. What is the height above the runway threshold elevation? (Use the 1 in 60 rule and the approximation 6000 feet = 1 nautical mile)

38. An aircraft at FL290 is required to commence descent when 75 NM from a VOR and to cross that VOR at FL80. Mean GS during descent is 290kt. What is the minimum rate of descent required?

39. An aircraft at FL290 is required to commence descent when 50 NM from a VOR and to cross that VOR at FL80. Mean GS during descent is 271kt. What is the minimum rate of descent required?

40. when 95 nm from a VOR you commence a descent from FL330 with the intention of arriving at the VOR at FL100. What rate of descent is required if your mean ground speed is 250 knots?

41. What will be the rate of descent when flying down a 12% glide slope, at a groundspeed of 150 knots?

42. What will be the rate of descent when flying down a 12% glide slope, at a groundspeed of 175 knots?

43. An aircraft is on an ILS 3 degree glideslope, which passes over the runway threshold at a height of 50 feet. The DME range is 25 nm from the threshold. What is the height above the runway threshold elevation? (Use the 1 in 60 rule and approximation 6000 feet= 1 nautical mile)

44. If there is a 22 knot decrease in headwind by what amount must the rate of decent be changed in order to maintain a 3° glideslope?

45. Given : ILS GP angle = 3.5 DEG, GS=150 kt. Approximate rate of descent is ?

46. Convert 70 metres /second into knots?

47. What will be the rate of descent when flying down a 7% glide slope, at a groundspeed of 250 knots?

48. An aircraft at FL350 is required to commence descent when 105 NM from a VOR and to cross the VOR at FL80. The mean GS for the descent is 370 kt. What is the minimum rate of descent required?

49. What will be the rate of descent when flying down a 10° glide slope, at a groundspeed of 500 knots?

50. What will be the rate of descent when flying down a 12% glide slope, at a groundspeed of 540 knots?