| Effective Date: | 2007-01-18 |
| Airport Site Number: | 04507.*A |
| Airport Code: | MDW |
| Airport Location: | Chicago, IL |
| FAA Region: | AGL - Great Lakes |
| Runway: | 31C |
| Runway Dimension:: | 6522 x 150 ft |
| ILS Type: | Instrument Landing System/Distance Measuring Equipment |
| ILS Category: | I |
| Facility Owner: | Federal Aviation Admin. |
| Facility Operator: | Federal Aviation Admin. |
| Approach Bearing: | 315 (Degrees Magnetic) |
| Magnetic Variation: | 01W |
| Identification Code: | I-MXT |
| Frequency: | 109.90 MHz |
| Longitude/Latitude: | 087-45-42.129W/41-47-31.283N -87.761702/41.792023 |
| Course Width: | 5.60° |
| Dist. From Runway Stop End: | 239 ft |
| Type: | Standard Glide Slope |
| Angle: | 3.00° |
| Frequency: | 333.80 MHz |
| Longitude/Latitude: | 087-44-56.094W/41-46-53.484N -87.748915/41.781523 |
| Dist. From Runway Approach End: | -1597 ft |
| Elevation: | 613.00 ft |
| Type: | Middle Marker Beacon Only |
| Longitude/Latitude: | 087-44-03.500W/41-46-21.200N -87.734306/41.772556 |
| Dist. from Runway Approach End: | 3540 ft |
| Type: | Outer Marker/Nondirectional Radio Beacon. |
| Identifier: | MX |
| Name: | KEDZI |
| Frequency: | 248 KHz |
| Longitude/Latitude: | 087-41-22.811W/41-44-29.437N -87.689670/41.741510 |
| Dist. from Runway Approach End: | 20166 ft |
| Channel: | 036X |
| Longitude/Latitude: | 087-45-38.784W/41-47-33.122N -87.760773/41.792534 |