Introduction to Radio Instruments
UJPT, E2-C2, ADV, & IUT RIFP-01
NOTE: Glideslope frequencies are paired to localizer
frequencies and are automatically tuned upon selection of
localizer frequency.
3.
The beam usable range: 10 nm, provided aircraft is on localizer
course (may be certified for extended service volume which
exceeds 10 nm)
a.
Intersects inner marker beacon approximately 100 ft above
runway elevation
b.
Intersects middle marker beacon approximately 200 ft
above runway elevation
c.
Intersects outer marker beacon approximately 1,400 ft
above runway elevation
4.
Transmits on frequencies from 329.15 MHz through 335.0 MHz
in direction of final approach
WARNING: Never use displayed glidepath information on
missed approach.
Sg 11, fr 6, pg 1
ILS LOCALIZER COMPONENTS
OM
MM
IM
2.5
2.5
4 TO 7 MILES (DME)
MARKER BEACONS
C.
Marker beacons
1.
Outer
(8-97) Change 1
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