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B737-900 flight crew reported executing a go-around after receiving a GPWS warning 'too low; flaps' on approach.
| Attributes | |
| ACN | 1725078 |
| Time | |
| Date | 202002 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B737-900 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Final Approach |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Instrument Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 207 Flight Crew Type 905 |
| Person 2 | |
| Function | Pilot Flying First Officer |
| Qualification | Flight Crew Instrument Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Deviation - Procedural Published Material / Policy |
Narrative:
Night IMC through WX. Dark cockpit; procedures followed. Simply missed flap setting. I erroneously executed landing checklist. Instead of flaps 30; green light; flaps were actually flaps 25: with a green light. Runway was in sight; first officer (first officer) flying; ap; at off. GPWS call came approaching 500 ft. AGL; too low; terrain; followed by too low; flaps. I called for and we immediately executed a go-around without incident. Was very busy go-around 1200-1400 ft. Ceilings; IMC above airport and busy. Initial altitude 1700 ft. MSL; multiple vectors to downwind and low altitude. Followed vectors around to set up for [another approach]. And just to make sure we had practice; tower cancelled approach clearance at 1500 ft. AGL due traffic compression. Went around and did it again.
Original NASA ASRS Text
Title: B737-900 flight crew reported executing a go-around after receiving a GPWS warning 'Too low; flaps' on approach.
Narrative: Night IMC through WX. Dark cockpit; procedures followed. Simply missed flap setting. I erroneously executed Landing Checklist. Instead of Flaps 30; Green Light; Flaps were actually Flaps 25: with a Green Light. Runway was in sight; FO (First Officer) flying; AP; AT off. GPWS call came approaching 500 ft. AGL; TOO LOW; TERRAIN; followed by TOO LOW; FLAPS. I called for and we immediately executed a go-around without incident. Was very busy go-around 1200-1400 ft. ceilings; IMC above airport and busy. Initial altitude 1700 ft. MSL; multiple vectors to downwind and low altitude. Followed vectors around to set up for [another approach]. And just to make sure we had practice; Tower cancelled approach clearance at 1500 ft. AGL due traffic compression. Went around and did it again.
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.