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MDW - CHICAGO MIDWAY INTL
CHICAGO, IL
INSTRUMENT APPROACH TO RUNWAY 31C
APPROACH AIDS INFORMATION AS PUBLISHED ON 22 OCTOBER 2009
ILS/DME (CAT. I) RWY 31C
Approach bearing
Magnetic bearing: 315
True bearing: 314
Magnetic variation: 01W
Localizer information
Type: ILS/DME
Frequency: 109.90 MHz
Identification code: I-MXT .. -- -..- -
Antenna location: 41-47-31.283N / 087-45-42.129W
Course width: 5.60 degrees
Glide slope information
Type: STANDARD GLIDE SLOPE
Glide slope angle: 3.00 degrees
Antenna location: 41-46-53.484N / 087-44-56.094W
-1597 ft. in from approach end of runway 31C
Runway elevation at GS: 613.00 ft. MSL
DME information
Channel: 036X (tune to 109.90 MHz)
Transponder location: 41-47-33.122N / 087-45-38.784W
Outer marker information
Type: OUTER MARKER BEACON & NONDIRECTIONAL RADIO BEACON
Name: KEDZI
Frequency: 248 kHz
Identifier: MX -- -..-
Location: 41-44-29.437N / 087-41-22.811W
3.3 nm (20166 ft.) from the approach end of runway 31C
Middle marker information
Type: MIDDLE MARKER BEACON ONLY
Location: 41-46-21.200N / 087-44-03.500W
0.6 nm (3540 ft.) from the approach end of runway 31C
No inner marker navaid
Remarks
- DME ALSO SERVES RY 13C.
- ILS CLASSIFICATION CODE 'IC'.
