Air Navigation question bank

Instrument Landing System: DGCA Air Navigation questions

5 sample questions from Oxford, with the correct answer shown.

Sample questions

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Question 1

The coverage of an ILS localizer extends to either side of the on-course line out to a range of NM.

Question 2

The upper and lower limits of an ILS glide path transmitter having a 3.5 degree glide slope are:

Question 3

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

Question 4

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 centre line and on the glide path are to fly:

Question 5

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

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