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ERJ175 flight crew reports encountering wake turbulence from preceding B747 during the erlin 2 arrival to atl. Flight crew climbed slightly and turns then reported incident to ATC.
| Attributes | |
| ACN | 841919 |
| Time | |
| Date | 200907 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ATL.Airport |
| State Reference | GA |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | EMB ERJ 170/175 ER&LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Descent |
| Route In Use | STAR ERLIN |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | B747-400 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Descent |
| Route In Use | STAR ERLIN |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | First Officer Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Deviation - Track / Heading All Types Inflight Event / Encounter Wake Vortex Encounter |
Narrative:
During a descent into atl on ERLIN2 arrival we encountered wake turbulence from a B747 ahead. We were told the B747 was 10 mile ahead of us by ATC. On TCAS it appeared to be more like 7 miles. Cleared to cross erlin at 12000. While passing through 15200 ft we encountered moderate wake from the B747. At that time we stopped our descent; and climbed to 15500 ft and turned right of course a few degrees. We had a right quartering tailwind. When we told the controller he gave us a turn to heading 180 then handed us off to approach. Approach had us descend to 13000 and put us back on the arrival. We then finished the approach and landing into atl.
Original NASA ASRS Text
Title: ERJ175 flight crew reports encountering wake turbulence from preceding B747 during the ERLIN 2 arrival to ATL. Flight crew climbed slightly and turns then reported incident to ATC.
Narrative: During a descent into ATL on ERLIN2 arrival we encountered wake turbulence from a B747 ahead. We were told the B747 was 10 mile ahead of us by ATC. On TCAS it appeared to be more like 7 miles. Cleared to cross ERLIN at 12000. While passing through 15200 FT we encountered moderate wake from the B747. At that time we stopped our descent; and climbed to 15500 FT and turned right of course a few degrees. We had a right quartering tailwind. When we told the Controller he gave us a turn to heading 180 then handed us off to approach. Approach had us descend to 13000 and put us back on the arrival. We then finished the approach and landing into ATL.
Data retrieved from NASA's ASRS site as of April 2012 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.