B767 Undifferentiated or Other Model
Flight Crew Last 90 Days 200; Flight Crew Total 20000; Flight Crew Type 8000
Flight Deck / Cabin / Aircraft Event Illness / Injury; Inflight Event / Encounter Wake Vortex Encounter; Inflight Event / Encounter Weather / Turbulence
General Physical Injury / Incapacitation
Environment - Non Weather Related
Thirty seconds of clear air turbulence; possible wake from crossing traffic; seat belt sign on; no warning from radar or ATC/other aircraft. Flight attendant injured her head in fall; she then treated bump with ice and Advil. Also [two other] flight attendants received bruises from being tossed by turbulence. All 3 flight attendants reported to [medical] clinic after landing and clearing Customs on their own.
B767 Captain reported minor flight attendant injuries resulted from a wake vortex encounter in cruise flight at FL320.