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Erj captain experiences an egpws terrain warning while at an ATC assigned altitude of 3;500 feet and on a west side downwind at gsp in IMC. A climb to 4;500 feet is initiated and ATC advised; but the cause of the warning could not be determined.
| Attributes | |
| ACN | 1226749 |
| Time | |
| Date | 201412 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | GSP.Airport |
| State Reference | SC |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | Embraer Jet Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Descent |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | GPWS |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
On downwind leg abeam the airport; west side at 3;500 feet in IMC; we received an oral warning: 'terrain terrain; pull up.' we climbed; notified ATC; and leveled off at 4;500 feet. Oral warning quickly ceased. We were in radar contact throughout the entire flight. No other warnings occurred. Continued to destination safely. I believe this was a computer glitch.
Original NASA ASRS Text
Title: ERJ Captain experiences an EGPWS terrain warning while at an ATC assigned altitude of 3;500 feet and on a west side downwind at GSP in IMC. A climb to 4;500 feet is initiated and ATC advised; but the cause of the warning could not be determined.
Narrative: On downwind leg abeam the airport; west side at 3;500 feet in IMC; we received an oral warning: 'terrain terrain; pull up.' We climbed; notified ATC; and leveled off at 4;500 feet. Oral warning quickly ceased. We were in radar contact throughout the entire flight. No other warnings occurred. Continued to destination safely. I believe this was a computer glitch.
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.