Vayudoot Aviation

1. An aircraft tracking to intercept the ILS localiser inbound on the approach side but outside the published coverage angle

will receive signals without coding.

can expect signals to give correct indications.

will not normally receive signals.

will receive false on-course or reverse sense signals.

2. A category 2 ILS installation encountered in the UK

provides accurate guidance down to 50' above the horizontal plane containing the runway threshold.

has a false glide path that is exactly twice the true glide path angle.

provides accurate guidance down to the runway and along the runway after landing.

has a steep glide path, normally 7.5°.

3. The upper and lower limits of an ILS glide path transmitter having a 3.5° glide slope are

5.250° - 1.350°

3.850° - 3.150°

6.125° - 1.575°

7.700° - 1.225°

4. The outer marker of an ILS installation has a visual identification of

alternating dots and dashes on a blue light.

continuous dashes at a rate of 2 per second, amber light

continuous dashes at a rate of 2 per second, blue light.

continuous dots at a rate of 3 per second, blue light.

5. The visual and aural indications obtained when overflying an ILS middle marker are

continuous high pitched dots with synchronised amber light.

one letter in Morse with synchronised white light.

continuous low pitched dashes with synchronised blue light.

alternating medium pitch dots and dashes with amber light.

6. An aircraft's Instrument Landing System glideslope and localiser receivers are receiving predominant 90Hz modulated signals. If the aircraft is within the coverage of the ILS, QDM of 264°, it is

north of the localiser and above the glideslope.

south of the localiser and above the glideslope

north of the localiser and below the glideslope.

south of the localiser and below the glideslope.

7. The specified maximum safe fly up indication on a 5 dot CDI is

half full scale needle deflection above the centre line.

just before full scale deflection.

1.3 dots fly up.

2.5 dots fly up.

8. The coverage of the Micro-wave Landing System in the UK extends to ______nm up to a height of ______and ______degrees either side of the on course line

35nm; 5,000ft; 20 degrees.

20nm; 20,000ft; 40 degrees.

35nm; 5,000ft; 40 degrees.

17nm; 2,000ft; 35 degrees.

9. The coverage of an ILS localiser extends to _________either side of the on course line out to a range of ….. nm.

10°, 35

35°, 10

25°, 25

35°, 17

10. In elevation the upper and lower limits of an ILS glide path transmitter having a 3.0 degree glide slope are

5.25° 1.35°

3.000 at least 6°

10.0° 35.0°

0.35° 0.70°

11. An aircraft is attempting to use an ILS approach outside the coverage sectors of an ICAO standard system

From the glideslope needle the captain may be receiving false course and reverse sense indications and from the localiser needle intermittent and incorrect indications.

From the localiser needle the captain may be receiving false course and reverse sense indications and from the glideslope needle intermittent and incorrect indications.

From the localiser needle the captain may be receiving false course and intermittent indications and from the glideslope needle reverse sense and incorrect indications.

The aircraft's receiver is not detecting any transmissions and the ILS needle OFF flags are visible.

12. An aircraft carrying out an ILS approach is receiving stronger 150 Hz signals than 90 Hz signals. The correct actions to be taken to place the aircraft on the centreline and on the glidepath are to fly

DOWN and LEFT.

UP and RIGHT.

UP and LEFT

DOWN and RIGHT.

13.
Which of these ILS indicators shows an aircraft on final approach left of the centre line and at maximum safe deviation below the glide path ?

A

B

C

D

14. The minimum angle at which a false glide path is likely to be encountered on a 3°glidepath is

normal glide slope times 0.70

5.35 degrees

normal glide slope times 1.75

6 degrees

15. The coverage of the ILS glideslope in azimuth is

± 35° out to 25nm

± 10° out to 8nm

± 12° out to 17nm

± 8° out to 10nm

Question Bank

Questions for ILS