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The flight crew of an A320 executed an egpws escape maneuver upon receipt of a 'terrain; terrain; pull up' warning. As they were beyond shafr and descending in full compliance with the constraints of the hhood RNAV STAR and ATC's altitude clearances beyond shafr at the time they wrote up the event as a false warning.
| Attributes | |
| ACN | 1183280 |
| Time | |
| Date | 201406 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | P80.TRACON |
| State Reference | OR |
| Environment | |
| Flight Conditions | IMC |
| Aircraft 1 | |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Final Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | GPWS |
| Person 1 | |
| Function | First Officer Pilot Not Flying |
| Experience | Flight Crew Last 90 Days 210 |
| Person 2 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 195 Flight Crew Total 14500 Flight Crew Type 6750 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Inflight Event / Encounter CFTT / CFIT |
Narrative:
Flying the hhood RNAV STAR into pdx. Passing 9;500 MSL we got the 2;500 foot call just east of shafr intersection. We were IMC in light rain showers. ATC vectored us to runway ILS 28R and cleared us to 5;500 MSL. After another turn ATC cleared us to 5;300 MSL. Around 5;600 MSL we got 'terrain; pull up' call captain; pilot flying performed the escape maneuver and we climbed to 7;700 MSL and notified ATC. ATC said the highest terrain in our area was 4;300 MSL. We reported to maintenance possible radar altimeter problem. Maintenance said they had had several write-ups about radar altimeters recently.
Original NASA ASRS Text
Title: The flight crew of an A320 executed an EGPWS escape maneuver upon receipt of a 'Terrain; Terrain; Pull Up' warning. As they were beyond SHAFR and descending in full compliance with the constraints of the HHOOD RNAV STAR and ATC's altitude clearances beyond SHAFR at the time they wrote up the event as a false warning.
Narrative: Flying the HHOOD RNAV STAR into PDX. Passing 9;500 MSL we got the 2;500 foot call just east of SHAFR intersection. We were IMC in light rain showers. ATC vectored us to runway ILS 28R and cleared us to 5;500 MSL. After another turn ATC cleared us to 5;300 MSL. Around 5;600 MSL we got 'Terrain; Pull Up' call Captain; pilot flying performed the escape maneuver and we climbed to 7;700 MSL and notified ATC. ATC said the highest terrain in our area was 4;300 MSL. We reported to Maintenance possible radar altimeter problem. Maintenance said they had had several write-ups about radar altimeters recently.
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.