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Pilot flying in to ord reports of a bad signal on the ILS due to B747 traffic taxiing in front of the signal.
| Attributes | |
| ACN | 1172522 |
| Time | |
| Date | 201405 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ORD.Tower |
| State Reference | IL |
| Aircraft 1 | |
| Make Model Name | Large Transport |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Final Approach |
| Route In Use | Visual Approach |
| Flight Plan | IFR |
| Person 1 | |
| Function | Pilot Flying |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Procedural Published Material / Policy |
Narrative:
We approached ord during multiple B747 operations. On final during a visual approach tower cleared a B747 for takeoff. When he taxied for takeoff he blocked the localizer and caused us to get multiple full scale deflections. We were on a stable visual approach and made a normal landing.
Original NASA ASRS Text
Title: Pilot flying in to ORD reports of a bad signal on the ILS due to B747 traffic taxiing in front of the signal.
Narrative: We approached ORD during multiple B747 operations. On final during a visual approach Tower cleared a B747 for takeoff. When he taxied for takeoff he blocked the localizer and caused us to get multiple full scale deflections. We were on a stable visual approach and made a normal landing.
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.