B757 Undifferentiated or Other Model
Flight Crew Multiengine; Flight Crew Air Transport Pilot (ATP); Flight Crew Instrument
Flight Crew Type 8192
Situational Awareness
Inflight Event / Encounter CFTT / CFIT; Inflight Event / Encounter Weather / Turbulence
Flight Crew Executed Go Around / Missed Approach; Flight Crew Diverted
Aircraft; Environment - Non Weather Related; Human Factors; Weather
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.
After executing a missed approach due to low visibility on our first try into SAN we were vectored north of the airport and cleared for the LOC 27 again. We were established in LOC and VNAV Path modes; at approximately 3;800 ft; approaching OKAIN; at 170 KIAS; flaps 20; gear up and speed brake armed. We received a 'TERRAIN; TERRAIN; PULL UP; PULL UP' GPWS Alert. The PF (Pilot Flying) (Captain) executed the GPWS escape maneuver and the alert did not reoccur. I alerted ATC of the GPWS alert and our maneuver. We were subsequently re-cleared the approach but were unable to re-establish VNAV Path in time; executed a missed approach and diverted.
B757 flight crew reported executing a go-around and diverting to an alternate after receiving a GPWS terrain alert on approach to SAN.