B737 Undifferentiated or Other Model
Flight Crew Air Transport Pilot (ATP)
Flight Crew Last 90 Days 202
Situational Awareness
Deviation / Discrepancy - Procedural Published Material / Policy; Inflight Event / Encounter CFTT / CFIT
General None Reported / Taken
Human Factors
Night VFR. Uneventful flight and descent to CRP.  Cleared Visual Approach to Runway 18. Fully configured at 1;000 feet and on speed with all checklists completed. Approximately 700 feet; received 'Caution Obstacle' GPWS. Lighted refinery stack in sight; VASI in sight; runway in sight and sink 400 rpm. Continued to land. Uneventful landing and taxi. After reviewing pubs after landing we should have executed a go-around in night VFR.
[Report narrative had no additional information].
B737 flight crew reported receiving a GPWS terrain alert on a night visual approach to CRP Runway 18. They continued the approach in violation of SOP.