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This information may not be accurate or current and is not valid for navigation, flight planning, or for use in flight.
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ALN - ST LOUIS RGNL
ALTON/ST LOUIS, IL
INSTRUMENT APPROACH TO RUNWAY 29
APPROACH AIDS INFORMATION AS PUBLISHED ON 05 JUNE 2008
ILS/DME (CAT. I) RWY 29
Approach bearing
Magnetic bearing: 291
True bearing: 293
Magnetic variation: 02E
Localizer information
Type: ILS/DME
Frequency: 108.50 MHz
Identification code: I-ALN .. .- .-.. -.
Antenna location: 38-53-45.824N / 090-03-26.595W
Course width: 5.53 degrees
Glide slope information
Type: STANDARD GLIDE SLOPE
Glide slope angle: 3.00 degrees
Antenna location: 38-53-18.117N / 090-01-53.333W
-970 ft. in from approach end of runway 29
Runway elevation at GS: 531.00 ft. MSL
DME information
Channel: 022X (tune to 108.50 MHz)
Transponder location: 38-53-43.858N / 090-03-27.477W
Outer marker information
Type: OUTER MARKER BEACON & COMPASS LOCATOR
Name: ALPOS
Frequency: 218 kHz
Identifier: AL .- .-..
Location: 38-51-18.469N / 089-56-17.563W
4.6 nm (28210 ft.) from the approach end of runway 29
Middle marker information
Type: MIDDLE MARKER BEACON ONLY
Location: 38-53-00.669N / 090-01-12.675W
0.4 nm (2680 ft.) from the approach end of runway 29
No inner marker navaid
Remarks
- ILS UNMONITORED WHEN ATCT CLOSED.
- LOC BC UNUSBL BYD 18 DEGS LEFT & 23 DEG RGT OF CRS.
