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B737 flight crew reported similar sounding fixes on the serfr STAR caused confusion and navigation to the incorrect fix.
| Attributes | |
| ACN | 1546850 |
| Time | |
| Date | 201805 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | SFO.Airport |
| State Reference | CA |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B737-700 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Descent Initial Approach |
| Route In Use | STAR SERFR |
| Flight Plan | IFR |
| Person 1 | |
| Function | Pilot Not Flying Captain |
| Qualification | Flight Crew Instrument Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 380 |
| Person 2 | |
| Function | First Officer Pilot Flying |
| Qualification | Flight Crew Instrument Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine |
| Experience | Flight Crew Last 90 Days 525 |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy Deviation - Track / Heading All Types |
Narrative:
We were on ther serfr arrival to sfo. We had briefed the approach so we were on legs page 2 when ATC gave us direct to 'gnarly'. We saw 'narwl'; brought it to the top of page 1 and executed it. A few minutes later ATC asked us if we were direct 'nrrli'. I said no we are direct to narwl. They said we were cleared direct to nrrli and we complied.
Original NASA ASRS Text
Title: B737 flight crew reported similar sounding fixes on the SERFR STAR caused confusion and navigation to the incorrect fix.
Narrative: We were on ther SERFR Arrival to SFO. We had briefed the approach so we were on LEGS page 2 when ATC gave us direct to 'GNARLY'. We saw 'NARWL'; brought it to the top of page 1 and executed it. A few minutes later ATC asked us if we were direct 'NRRLI'. I said no we are direct to NARWL. They said we were cleared direct to NRRLI and we complied.
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.