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The flight crew of a B737 received a GPWS terrain warning for no apparent reason on short final to runway 18 at bhm. They appropriately executed a go around.
| Attributes | |
| ACN | 1002374 |
| Time | |
| Date | 201203 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | BHM.Airport |
| State Reference | AL |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | GPWS |
| Person 1 | |
| Function | First Officer |
| Experience | Flight Crew Last 90 Days 298 Flight Crew Type 3500 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Ground Event / Encounter Other / Unknown |
Narrative:
On short final to runway 18; we received a GPWS 'too low terrain' alert. The pilot flying initiated a go-around. Aircraft was on glide slope and airspeed. The visual was backed up by the RNAV glide slope. The PAPI was showing two red over two white.[this] could be an anomaly with the GPWS. There was a NOTAM on the RNAV for runway 36 approach; noting terrain warnings and that the approach was no longer authorized.
Original NASA ASRS Text
Title: The flight crew of a B737 received a GPWS Terrain warning for no apparent reason on short final to Runway 18 at BHM. They appropriately executed a go around.
Narrative: On short final to Runway 18; we received a GPWS 'Too Low Terrain' Alert. The pilot flying initiated a go-around. Aircraft was on glide slope and airspeed. The visual was backed up by the RNAV glide slope. The PAPI was showing two red over two white.[This] could be an anomaly with the GPWS. There was a NOTAM on the RNAV for Runway 36 approach; noting terrain warnings and that the approach was no longer authorized.
Data retrieved from NASA's ASRS site as of July 2013 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.