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Questions for ILS

Answer the following questions

1. The ILS marker with the higher aural frequency is the?
2. Assuming a five dot display on either side of the ILS localiser cockpit display. What is the angular displacement of the aircraft from the localiser centreline when the CDI is deflected 2 dots to the right?
3. On final on ILS approach, at 0.6 nm from the threshold, which marker are you likely to hear?
4. Outer marker beacon of an ILS transmit at?
5. Fill scale deflection of the localiser needle indicates that the aircraft is approximately?
6. The ILS middle marker modulation frequency is?
7. What according to ICAO Annex 10, is the range of a locator?
8. The ILS receiver of an aircraft on approach and flying on the glide path will receive?
9. The localiser transmits in?
10. An ILS receiver?
11. The ILS marker identified by a series of dots (6/sec) is the?
12. The heading rose of an HSI is frozen on 200 degrees. Lined up with the ILS of runway 25, the localiser will be?
13. Which of the following is an ILS localiser frequency?
14. What is measured in order to establish aircraft position in relation to the localiser beam on an ILS?
15. A VOR is situated at the far end of the runway on which an aircraft is making an ILS approach. Nav 1 is switched to the localiser frequency and Nav 2 to the VOR frequency. At the moment that the needle of #1 indicator reaches the outer dot the deflection needle of #2 indicator will be at?
16. The principle of operation of an localiser transmiter is based on two overlapping lobes that are transmitted on (i) .............. frequencies and carry different (ii) ..................
17. The ILS marker with the lower aural frequency is the?
18. The back CRS of an ILS may give?
19. Inner marker beacon of an ILS transmit at?
20. What is the function of the FM-immune filter?
21. The ILS marker identified visually by a white flashing light is the?
22. The ILS marker identified audibly by a series of two dashes per second is the?
23. The principles of operation of an ILS is?
24. Concerning the localiser principle of operation in an ILS, the difference in depth of modulation(DDM): 1. Decreases with respect to the angular displacement from the centreline. 2. Increases with right displacement from the cenreline. 3. Decreases with left displacement from the centreline. 4. Increases linearly with displacement from the centreline. The combination regrouping all of the correct statements is?
25. The ILS marker with an aural frequency of 400 Hz is?

 


 

26. Which approximate rate of descent is required in order to maintain a 3° glide path at a groundspeed of 90kt?
27. Which of the following correctly describes the Instrument Landing System (ILS) localiser rediation pattern?
28. The amplitude modulation and the colour of an outer marker (OM) is
29. On an ILS approach, when flying overhead the outer marker the colour of the flashing light will be?
30. Locators are: 1. High powered NDBs used for en route and airways. 2. Low powered NDBs used for airfield airfield runway approach. 3. Beacons with a usually range of 10 to 250 nm. 4. Beacons with a usually range of 10 to 25 nm. The combination regrouping all of the correct statements is?
31. On an ILS approach, when flying overhead the middle marker the colour of the flashing light will be?
32. According to ICAO Annex 10 a locator has a range of?
33. The ILS marker identified visually by an amber flashing light is the?
34. Concerning the localiser principle of operation in an ILS system, the difference in depth of modulation (DDM)?
35. What are the modulation frequencies of the two overlapping lobes that are used on an ILS approach?
36. Regarding ILS which of the following in true?
37. The ILS inner marker (if available) modulation frequency is?
38. If you are flying a back course ILS, you are flying a?
39. The transmission of the glide slope beacon is characterised by?
40. 108.35 MHz can only be?
41. Where, in relation to the runway, is the ILS localiser transmitting aerial normally situated?
42. The basic principle of operation of the ILS is the difference in depth of modulation (DDM) between the 90 Hz and the 150 Hz lobes. A DDM of zero indicates: 1. The higher tone lobe is received at a higher strength than the lower the lobe. 2. The exact runway centreline. 3. Aircraft is on the glide path. 4. A balance between modulations
43. Locatory are?
44. What is the approximate angular coverage of reliable navigation information for a 3 degree glide path out to a minimum distance of 10 nm?
45. The type of modulation used for the ILS frequency carrier is?
46. An aircraft carrying out a 3° glide ILS approach experiences a reduction i groudspeed from 150 kt at the outer marker to 120 kt over the threshold. The effect of this change in groundspeed on the aircraft's rate of descent will be a decrease of approximately
47. An ILS marker beacon operates in the?
48. The ILS marker with an aural frequency of 3000 Hz is the?
49. Concerning the glide path principle of operating in an ILS, the needle of the aircraft indicator is centred when the difference in depth of modulation (DDM) is?
50. According to ICAO Annex 10, in which frequency band(s) does the locator normally transmit?