| Effective Date: | 2007-01-18 | 
| Airport Site Number: | 04508.*A | 
| Airport Code: | ORD | 
| Airport Location: | Chicago, IL | 
| FAA Region: | AGL - Great Lakes | 
| Runway: | 27R | 
| Runway Dimension:: | 7967 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-IAC | 
| Frequency: | 110.50 MHz | 
| Longitude/Latitude: | 087-55-17.978W/41-59-02.026N -87.921661/41.983896  | 
| Course Width: | 5.06° | 
| Dist. From Runway Stop End: | 900 ft | 
| Type: | Standard Glide Slope | 
| Angle: | 3.00° | 
| Frequency: | 329.60 MHz | 
| Longitude/Latitude: | 087-53-34.355W/41-59-06.812N -87.892876/41.985226  | 
| Dist. From Runway Approach End: | -1040 ft | 
| Elevation: | 651.20 ft | 
| Type: | Inner Marker Beacon Only | 
| Longitude/Latitude: | 087-53-09.193W/41-59-01.845N -87.885887/41.983846  | 
| Dist. to Runway Approach End: | 860 ft | 
| Type: | Middle Marker Beacon Only | 
| Longitude/Latitude: | 087-52-41.361W/41-59-02.045N -87.878156/41.983901  | 
| Dist. from Runway Approach End: | 2962 ft | 
| Type: | Outer Marker/Compass Locator | 
| Identifier: | IA | 
| Name: | TAFFS | 
| Frequency: | 414 KHz | 
| Longitude/Latitude: | 087-47-20.476W/41-59-03.535N -87.789021/41.984315  | 
| Dist. from Runway Approach End: | 27198 ft | 
| Channel: | 042X | 
| Longitude/Latitude: | 087-53-10.210W/41-59-04.690N -87.886169/41.984636  | 
| Dist. From Runway Approach End: | -783 ft |