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B757 flight crew reported executing a go-around and diverting to an alternate after receiving a GPWS terrain alert on approach to san.
| Attributes | |
| ACN | 1599118 |
| Time | |
| Date | 201811 |
| Place | |
| Locale Reference | SAN.Airport |
| State Reference | CA |
| Environment | |
| Flight Conditions | IMC |
| Aircraft 1 | |
| Make Model Name | B757 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Final Approach |
| Flight Plan | IFR |
| Person 1 | |
| Function | Pilot Flying Captain |
| Qualification | Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument |
| Experience | Flight Crew Type 8192 |
| Person 2 | |
| Function | First Officer Pilot Not Flying |
| Qualification | Flight Crew Instrument Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine |
| Experience | Flight Crew Last 90 Days 161 Flight Crew Type 1828 |
| Events | |
| Anomaly | Inflight Event / Encounter CFTT / CFIT Inflight Event / Encounter Weather / Turbulence |
Narrative:
Established on localizer 27 between vydda and okain. Localizer capture and VNAV path were established. Speed 170 kts as assigned by ATC. Flaps 20 gear up. Descending to out of 3800 MSL and we received a GPWS warning 'terrain terrain - pull up pull up pull up' warning. Initiated terrain escape maneuver and as soon as we climbed 200 feet the warning ceased. We continued to climb to 4000 feet and advised ATC. After initiating terrain escape maneuver; we were unable to re-establish VNAV path and executed a go-around and diverted.
Original NASA ASRS Text
Title: B757 flight crew reported executing a go-around and diverting to an alternate after receiving a GPWS terrain alert on approach to SAN.
Narrative: Established on LOC 27 between VYDDA and OKAIN. LOC Capture and VNAV Path were established. Speed 170 Kts as assigned by ATC. Flaps 20 Gear Up. Descending to out of 3800 MSL and we received a GPWS warning 'Terrain Terrain - Pull Up Pull Up Pull Up' warning. Initiated Terrain Escape maneuver and as soon as we climbed 200 feet the warning ceased. We continued to climb to 4000 feet and advised ATC. After initiating Terrain Escape maneuver; we were unable to re-establish VNAV Path and executed a Go-Around and diverted.
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.