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An air carrier flight crew gets a GPWS terrain warning while on downwind for runway 12 at sjc. This airport sits in a valley with high terrain on each side. The flight crew was at the MVA and properly executed the escape maneuver.
| Attributes | |
| ACN | 329526 |
| Time | |
| Date | 199602 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : sjc |
| State Reference | CA |
| Altitude | msl bound lower : 5100 msl bound upper : 5100 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : oak |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Super 80 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other |
| Flight Phase | descent : approach |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 329526 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | other anomaly other other spatial deviation |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | controller : issued new clearance flight crew : took evasive action |
| Consequence | Other |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | other |
| Situations | |
| ATC Facility | procedure or policy : unspecified |
Narrative:
GPWS warning while on downwind runway 12 at sjc, IMC and at 5100 ft MSL. I was flying and pulled up about 500 ft till out of clouds. Approach control notified and responded with GPWS warning on downwind for runway 12 at sjc. IMC and at 5100 ft MSL. Pulled up about 500 ft till warning stopped and clear of clouds. Approach control notified and vectors continued for uneventful landing.
Original NASA ASRS Text
Title: AN ACR FLC GETS A GPWS TERRAIN WARNING WHILE ON DOWNWIND FOR RWY 12 AT SJC. THIS ARPT SITS IN A VALLEY WITH HIGH TERRAIN ON EACH SIDE. THE FLC WAS AT THE MVA AND PROPERLY EXECUTED THE ESCAPE MANEUVER.
Narrative: GPWS WARNING WHILE ON DOWNWIND RWY 12 AT SJC, IMC AND AT 5100 FT MSL. I WAS FLYING AND PULLED UP ABOUT 500 FT TILL OUT OF CLOUDS. APCH CTL NOTIFIED AND RESPONDED WITH GPWS WARNING ON DOWNWIND FOR RWY 12 AT SJC. IMC AND AT 5100 FT MSL. PULLED UP ABOUT 500 FT TILL WARNING STOPPED AND CLR OF CLOUDS. APCH CTL NOTIFIED AND VECTORS CONTINUED FOR UNEVENTFUL LNDG.
Data retrieved from NASA's ASRS site as of July 2007 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.