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B737 flight crew and ATC clearance confusion associated with the west transition versus the wesla fix on the east transition of the sfo SERFR1 STAR.
| Attributes | |
| ACN | 1246107 |
| Time | |
| Date | 201503 |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Descent |
| Route In Use | STAR SERFR ONE |
| Flight Plan | IFR |
| Person 1 | |
| Function | First Officer Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy Deviation - Track / Heading All Types |
Narrative:
Cleared to descend via SERFR1 STAR; 'west transition.' queried ATC as to whether they meant the 'wesla' transition and they responded affirmatively. Frequency change and next controller asked where we were going. We responded we were descending via the wesla transition. ATC cleared us direct menlo for 28L. They had wanted us to descend for landing west; not wesla transition.
Original NASA ASRS Text
Title: B737 flight crew and ATC clearance confusion associated with the West transition versus the WESLA fix on the East transition of the SFO SERFR1 STAR.
Narrative: Cleared to descend via SERFR1 STAR; 'West transition.' Queried ATC as to whether they meant the 'WESLA' transition and they responded affirmatively. Frequency change and next Controller asked where we were going. We responded we were descending VIA the WESLA transition. ATC cleared us direct MENLO for 28L. They had wanted us to descend for landing west; not WESLA transition.
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.