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B737 first officer reported a 'strong jolt' of wake turbulence at FL340 when they passed another aircraft going in the opposite direction at FL350.
| Attributes | |
| ACN | 1271147 |
| Time | |
| Date | 201506 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Person 1 | |
| Function | First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 205 |
| Events | |
| Anomaly | Inflight Event / Encounter Wake Vortex Encounter |
Narrative:
While at 34;000 ft MSL in clear air; we experienced a strong jolt of turbulence that spilled drinks in cabin/galley. Seat belt sign was off - no turbulence reported or indicated in our paperwork. We had just passed another [air] carrier aircraft going opposite direction 1;000 ft above us approximately three miles to our east. (Possible wake turbulence). We asked flight attendants (F/a) if they were ok; they said no one was hurt; but after flight; one F/a said she had bumped her shoulder in the galley.
Original NASA ASRS Text
Title: B737 First Officer reported a 'strong jolt' of wake turbulence at FL340 when they passed another aircraft going in the opposite direction at FL350.
Narrative: While at 34;000 FT MSL in clear air; we experienced a strong jolt of turbulence that spilled drinks in cabin/galley. Seat belt sign was off - no turbulence reported or indicated in our paperwork. We had just passed another [air] carrier aircraft going opposite direction 1;000 FT above us approximately three miles to our east. (Possible wake turbulence). We asked flight attendants (F/A) if they were ok; they said no one was hurt; but after flight; one F/A said she had bumped her shoulder in the galley.
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.