| Effective Date: | 2007-01-18 |
| Airport Site Number: | 04508.*A |
| Airport Code: | ORD |
| Airport Location: | Chicago, IL |
| FAA Region: | AGL - Great Lakes |
| Runway: | 27L |
| Runway Dimension:: | 10144 x 150 ft |
| ILS Type: | Instrument Landing System/Distance Measuring Equipment |
| ILS Category: | III |
| Facility Owner: | Federal Aviation Admin. |
| Facility Operator: | Federal Aviation Admin. |
| Approach Bearing: | 273 (Degrees Magnetic) |
| Magnetic Variation: | 03W |
| Identification Code: | I-TSL |
| Frequency: | 111.10 MHz |
| Longitude/Latitude: | 087-55-32.617W/41-58-08.418N -87.925727/41.969005 |
| Course Width: | 3.60° |
| Dist. From Runway Stop End: | 1277 ft |
| Type: | Standard Glide Slope |
| Angle: | 3.00° |
| Frequency: | 331.70 MHz |
| Longitude/Latitude: | 087-53-15.050W/41-58-04.470N -87.887514/41.967908 |
| Dist. From Runway Approach End: | -1030 ft |
| Elevation: | 647.90 ft |
| Type: | Inner Marker Beacon Only |
| Longitude/Latitude: | 087-52-49.010W/41-58-01.102N -87.880281/41.966973 |
| Type: | Middle Marker Beacon Only |
| Longitude/Latitude: | 087-52-23.761W/41-58-08.716N -87.873267/41.969088 |
| Dist. from Runway Approach End: | 2845 ft |
| Type: | Outer Marker Beacon Only |
| Name: | WILLT |
| Longitude/Latitude: | 087-47-22.628W/41-58-09.738N -87.789619/41.969372 |
| Dist. from Runway Approach End: | 25594 ft |
| Channel: | 048X |
| Longitude/Latitude: | 087-55-32.931W/41-58-11.049N -87.925814/41.969736 |
| Dist. From Runway Stop End: | 1120 ft |