E2-C2 BIFP-06 & IUT BIFP-05
ILS Procedures
C.
Marker beacons
1.
Outer
a.
Provides range/distance reference point
(beacon signal indicates aircraft passage over
beacon)
b.
Often marks FAF
NOTE: Not all ILS approaches have an outer
marker at the FAF. On some ILS approaches,
DME, radar, or crossing radial is used to mark
the FAF.
2.
Middle
a.
Provides range/distance reference point for all
ILS runway categories
b.
Indicates decision height point for Category I
approach (200 ft RVR 2400)
NOTE: With TDZ and centerline lighting, RVR
is 1800 for A, B & C A/C categories.
NOTE: T-45A is only equipped for Category I
ILS approach.
3.
Inner
a.
Indicates decision height point for Category II
approach (100 ft RVR 1200)
b.
Provides progress reference point for
Category III approach (RVR 700). Special
authorization and equipment are required for
Category II and IIIA ILS approaches
(03-97) Original
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