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Air carrier flight crew reported confusion while on KARLB2 STAR due the similar sounding fixes; goatz and coazt.
| Attributes | |
| ACN | 1660385 |
| Time | |
| Date | 201906 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZLA.ARTCC |
| State Reference | CA |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Descent |
| Route In Use | STAR KARLB2 |
| Flight Plan | IFR |
| Person 1 | |
| Function | Pilot Flying First Officer |
| Qualification | Flight Crew Instrument Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 80 Flight Crew Total 9000 Flight Crew Type 5600 |
| Person 2 | |
| Function | Pilot Not Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 40 Flight Crew Total 10000 Flight Crew Type 700 |
| Events | |
| Anomaly | Deviation - Altitude Crossing Restriction Not Met Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy Deviation - Track / Heading All Types |
Narrative:
On the KARLB2 arrival into ont; we received a clearance to cross coazt at 16;000 feet. Read back clearance. Was queried by controller if we would make the restriction. We had just started our descent to make the restriction in prof. Shortly thereafter; we received a heading 90 degrees left of course; then another heading 90 left. We asked the controller as to the nature of the headings; and controller replied 'for traffic.' then informed us that the restriction was for goatz; not coazt. These points are very close together on the STAR; and sound very similar.
Original NASA ASRS Text
Title: Air carrier flight crew reported confusion while on KARLB2 STAR due the similar sounding fixes; GOATZ and COAZT.
Narrative: On the KARLB2 arrival into ONT; we received a clearance to cross COAZT at 16;000 feet. Read back clearance. Was queried by Controller if we would make the restriction. We had just started our descent to make the restriction in PROF. Shortly thereafter; we received a heading 90 degrees left of course; then another heading 90 left. We asked the Controller as to the nature of the headings; and Controller replied 'for traffic.' Then informed us that the restriction was for GOATZ; not COAZT. These points are very close together on the STAR; and sound very similar.
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.