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A B737 flight crew deviated from the ATC expected civet arrival track when their runway assignment was different than what they believed they were cleared to.
| Attributes | |
| ACN | 741533 |
| Time | |
| Date | 200706 |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : lax.airport |
| State Reference | CA |
| Altitude | msl single value : 9000 |
| Environment | |
| Flight Conditions | IMC |
| Aircraft 1 | |
| Controlling Facilities | tracon : sct.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | B737-500 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | ils localizer & glide slope : 25l |
| Flight Phase | descent : approach |
| Route In Use | arrival star : civet |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Experience | flight time last 90 days : 35 flight time total : 3000 flight time type : 300 |
| ASRS Report | 741533 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Experience | flight time last 90 days : 200 flight time total : 10000 flight time type : 3000 |
| ASRS Report | 741532 |
| Events | |
| Anomaly | non adherence : clearance non adherence : published procedure other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance flight crew : returned to intended or assigned course |
| Supplementary | |
| Problem Areas | ATC Human Performance Flight Crew Human Performance |
| Primary Problem | Ambiguous |
Narrative:
Given clearance to descend via the civet arrival delete speed restr. At waypoint taroc approach queried if we were correcting to runway 24R. We planned; flew and believed we heard cleared runway 25L. Approach gave us a vector to intercept runway 24R. Approach and landing normal.
Original NASA ASRS Text
Title: A B737 FLT CREW DEVIATED FROM THE ATC EXPECTED CIVET ARR TRACK WHEN THEIR RWY ASSIGNMENT WAS DIFFERENT THAN WHAT THEY BELIEVED THEY WERE CLRED TO.
Narrative: GIVEN CLRNC TO DSND VIA THE CIVET ARR DELETE SPEED RESTR. AT WAYPOINT TAROC APCH QUERIED IF WE WERE CORRECTING TO RWY 24R. WE PLANNED; FLEW AND BELIEVED WE HEARD CLEARED RWY 25L. APCH GAVE US A VECTOR TO INTERCEPT RWY 24R. APCH AND LNDG NORMAL.
Data retrieved from NASA's ASRS site as of January 2009 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.