ILS

Question 1

Guidance down to the decision height will be achieved using:

Answer 1

• VHF Loc
• UHF glideslope
• VHF Markers
• High Intensity approach lights
• Radar monitoring

Question 2

The VHF localiser is a . degree wide beam

Answer 2

1.4

Question 3

The localiser beam is ___ft wide at the threshold

Answer 3

700

Question 4

If the localiser does not go across the extended centreline within __ degrees, it is offset

Answer 4

30

Question 5

The ILS frequency carrier is ___ modulated

Answer 5

amplitude

Question 6

There are up to _ VHF markers

Answer 6

3

Question 7

Markers are __ _Hz

Answer 7

75 MHz

Question 8

The middle marker is ___m from the threshold

Answer 8

1000m

Question 9

The outer marker is _nm from the

Answer 9

4

Question 10

Cat I approach has a baro decision height of ___ft, and an RVR of ___m

Answer 10

200 550

Question 11

Cat II has a decision height of __ft

Answer 11

100ft

Question 12

For Cat __ and __ operations, the aircraft must be certified for decision heights below 200ft, or none

Answer 12

II III

Question 13

Cat II approaches require at least __ pilots and a ___ altimeter

Answer 13

2 radio

Question 14

For Cat A, B, and C, a low vis takeoff is anything in less than an RVR of ___m

Answer 14

150

Question 15

For Cat D, a low vis takeoff is anything with less than an RVR of ___m

Answer 15

200

Question 16

For Cat II, _ transistometers are required to be operating

Answer 16

2

Question 17

Cat IIIa has a DH of ___ft, and an RVR of ___m

Answer 17

<100 200

Question 18

Cat IIIb has a DH of __ft, and an RVR of ___m

Answer 18

<50ft, 75-200m

Question 19

Anything higher than Cat II needs a ___ altimeter

Answer 19

high precision radio

Question 20

ILS wavelengths are ____

Answer 20

metric