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B757 flight crew reported encountering wake turbulence at FL330 from an aircraft at FL340 that resulted in minor injuries to three flight attendants.
| Attributes | |
| ACN | 1262970 |
| Time | |
| Date | 201505 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZID.ARTCC |
| State Reference | IN |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B757 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 150 Flight Crew Total 30000 Flight Crew Type 4500 |
| Person 2 | |
| Function | First Officer Pilot Not Flying |
| Experience | Flight Crew Last 90 Days 240 Flight Crew Total 7000 Flight Crew Type 300 |
| Events | |
| Anomaly | Inflight Event / Encounter Wake Vortex Encounter |
Narrative:
Cruise climb stopped at FL330 by ATC for unseen traffic at FL340. Suspect crossed jetwash/wake turbulence. Sudden; very quick turbulence jolt encountered from smooth condition both before and after event. Flight attendants had just started service and were in aisle. 3 reported injured knee; wrist or back ache but declined medical assistance and continued flight to destination.
Original NASA ASRS Text
Title: B757 flight crew reported encountering wake turbulence at FL330 from an aircraft at FL340 that resulted in minor injuries to three flight attendants.
Narrative: Cruise climb stopped at FL330 by ATC for unseen traffic at FL340. Suspect crossed jetwash/wake turbulence. Sudden; very quick turbulence jolt encountered from smooth condition both before and after event. Flight attendants had just started service and were in aisle. 3 reported injured knee; wrist or back ache but declined medical assistance and continued flight to destination.
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.