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B757 captain reported a track excursion occurred when they encountered wake turbulence on final approach to mem runway 18L.
| Attributes | |
| ACN | 1527933 |
| Time | |
| Date | 201803 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | MEM.Airport |
| State Reference | TN |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Final Approach |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Final Approach |
| Flight Plan | IFR |
| Person 1 | |
| Function | Pilot Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Deviation - Procedural Clearance Deviation - Track / Heading All Types Inflight Event / Encounter Wake Vortex Encounter Inflight Event / Encounter Weather / Turbulence |
Narrative:
While on final approach into memphis landing runway 18L; aircraft encountered significant wake turbulence (believed to be from the aircraft arriving runway 18R) that caused crew to disconnect autopilot to recover. Aircraft drifted east of course; but crew did their best to fly a heading that brought them back over to the localizer course. Approach did call saying we were east of localizer. We acknowledged the call; told them we encountered the wake turbulence and were correcting back to localizer. We re-established on localizer; intercepted the glideslope; and were stable by the 1000 ft parameter. We landed without any other issues. Crew also wondered if the ILS critical area was being protected for the approach.weather was a factor with strong winds out of the west which we believed caused our wake turbulence encounter. Not sure how to avoid wake turbulence issues with low ceilings and strong crosswinds coming into a major hub with all traffic being vectored around.
Original NASA ASRS Text
Title: B757 Captain reported a track excursion occurred when they encountered wake turbulence on final approach to MEM Runway 18L.
Narrative: While on final approach into Memphis landing Runway 18L; aircraft encountered significant wake turbulence (believed to be from the aircraft arriving Runway 18R) that caused crew to disconnect autopilot to recover. Aircraft drifted east of course; but crew did their best to fly a heading that brought them back over to the localizer course. Approach did call saying we were east of localizer. We acknowledged the call; told them we encountered the wake turbulence and were correcting back to localizer. We re-established on localizer; intercepted the glideslope; and were stable by the 1000 ft parameter. We landed without any other issues. Crew also wondered if the ILS critical area was being protected for the approach.Weather was a factor with strong winds out of the west which we believed caused our wake turbulence encounter. Not sure how to avoid wake turbulence issues with low ceilings and strong crosswinds coming into a major hub with all traffic being vectored around.
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.