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B737-700 captain reported encountering 'heavy wake turbulence' in trail of a heavy on the seavu arrival to lax; resulting in a track deviation.
| Attributes | |
| ACN | 1185043 |
| Time | |
| Date | 201407 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | SCT.TRACON |
| State Reference | CA |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B737-700 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Descent |
| Route In Use | STAR SEAVU |
| Flight Plan | IFR |
| Person 1 | |
| Function | Pilot Flying Captain |
| Experience | Flight Crew Last 90 Days 226 Flight Crew Type 15000 |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Procedural Clearance Deviation - Track / Heading All Types Inflight Event / Encounter Wake Vortex Encounter |
Narrative:
I was pilot flying; flying the seavu into lax. ATC tucked us in about six miles behind a heavy aircraft ahead of us on the arrival. Approximately over seavu; we encountered heavy wake turbulence; which kicked off the autopilot. I engaged the autopilot in heading mode; and offset our course momentarily to escape the wake turbulence. I was turning back to luvyn; when ATC noticed we were off the arrival track; and gave us a clearance to reacquire the arrival at krain. We LNAV'd to krain; and flew the ILS 25L to lax. I should have immediately advised ATC of our situation to get a proper clearance back to the arrival. It would be very helpful if ATC would be more cognizant of the need to leave more space for arrivals following a heavy aircraft.
Original NASA ASRS Text
Title: B737-700 Captain reported encountering 'heavy wake turbulence' in trail of a heavy on the SEAVU arrival to LAX; resulting in a track deviation.
Narrative: I was pilot flying; flying the SEAVU into LAX. ATC tucked us in about six miles behind a heavy aircraft ahead of us on the arrival. Approximately over SEAVU; we encountered heavy wake turbulence; which kicked off the autopilot. I engaged the autopilot in heading mode; and offset our course momentarily to escape the wake turbulence. I was turning back to LUVYN; when ATC noticed we were off the arrival track; and gave us a clearance to reacquire the arrival at KRAIN. We LNAV'd to KRAIN; and flew the ILS 25L to LAX. I should have immediately advised ATC of our situation to get a proper clearance back to the arrival. It would be very helpful if ATC would be more cognizant of the need to leave more space for arrivals following a heavy aircraft.
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.