C3 - ILS Flashcards
ILS
1
Q
Airway Marker / Fan Marker Frequency
A
3000 Hz
2
Q
ICAO Visbility Distances:
Cat I
Cat II
Cat III
A
Cat I: 800 m / 2600 ft
Cat 2: 400 m / 1200 ft
Cat 3: 200 m / 700 ft
3
Q
Localizer:
Frequency
Channel spacing
A
108.10 to 111.95 MHz, first odd decimals, 50kHz spacing
4
Q
Localizer Beams Frequency
A
Left: 90 Hz
Right: 150 Hz
5
Q
Localizer coverage
A
Within 10° of runway ctr line up to 25 nm
Within 35° of runway ctr line up to 17 nm
6
Q
Localizer Deviation
A
1° produces 75 µA
7
Q
Glideslope:
Frequency
Channel Spacing
A
329.5 to 335.0 MHz, 150 kHz spacing
8
Q
Glideslope Beams Frequency
A
Upper: 90 Hz
Lower: 150 Hz
9
Q
Glideslope Coverage
A
1.35° to 5.25° up to 10 nm
10
Q
Glideslope Deviation
A
0.35° produces 75 µA
