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A320 pilot reports the FMGC auto tuning the wrong ILS frequency for the ILS runway 12R at sat. The correct frequency is then manually tuned on the rad navigation page and a normal landing ensues.
| Attributes | |
| ACN | 872018 |
| Time | |
| Date | 201002 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | SAT.Airport |
| State Reference | TX |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | FMS/FMC |
| Person 1 | |
| Function | Pilot Not Flying |
| Experience | Flight Crew Last 90 Days 250 Flight Crew Total 12000 Flight Crew Type 1000 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
FMGC was auto tuning and auto tuned the wrong localizer frequency (109.9 vs 110.90). Runway 12R was correct and the box was current. Did a go around and had to manually tune the localizer on the rad navigation page. Weather was moderate rain cells and night IFR. We needed an approach and yet the automation failed us.
Original NASA ASRS Text
Title: A320 pilot reports the FMGC auto tuning the wrong ILS frequency for the ILS Runway 12R at SAT. The correct frequency is then manually tuned on the RAD NAV page and a normal landing ensues.
Narrative: FMGC was auto tuning and auto tuned the wrong localizer frequency (109.9 vs 110.90). Runway 12R was correct and the box was current. Did a go around and had to manually tune the localizer on the RAD NAV page. Weather was moderate rain cells and night IFR. We needed an approach and yet the automation failed us.
Data retrieved from NASA's ASRS site as of April 2012 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.