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B737 captain reported his aircraft rolled right and descended after encountering wake turbulence in trail of a B777 at FL340.
| Attributes | |
| ACN | 1338459 |
| Time | |
| Date | 201603 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZDC.ARTCC |
| State Reference | VA |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | B777 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Type 6701 |
| Events | |
| Anomaly | Deviation - Altitude Excursion From Assigned Altitude Inflight Event / Encounter Loss Of Aircraft Control Inflight Event / Encounter Wake Vortex Encounter |
Narrative:
Twenty miles in trail of a B777 [at FL340]; we got an uncommanded aircraft roll to the right and altitude loss from wake turbulence.
Original NASA ASRS Text
Title: B737 Captain reported his aircraft rolled right and descended after encountering wake turbulence in trail of a B777 at FL340.
Narrative: Twenty miles in trail of a B777 [at FL340]; we got an uncommanded aircraft roll to the right and altitude loss from wake turbulence.
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.