B777 Undifferentiated or Other Model
Ground Event / Encounter Other / Unknown
General Physical Injury / Incapacitation
Human Factors; Procedure
Working within envelope; a B777 due to hanger on the adjacent gate. After pushback; [the taxi crew]overpowered engines; sharply turning away from the gate onto the taxiway. This resulted in a empty LD3; which was in process of being filled with bags; lifting  off its secured carrier and blown to the ground. It rolled knocking me to the ground; left side of head; shoulder and hip; landing on my right; pinning to a stationary cart which contained bags. The resulting incident causing myself to be sent to the ER.
A ramp person reports being struck by an LD3 container that is blown over by a B777 being taxied by a maintenance crew from the adjacent gate.