B787 Dreamliner Undifferentiated or Other Model
Flight Crew Multiengine; Flight Crew Instrument; Flight Crew Air Transport Pilot (ATP)
Flight Crew Total 19729; Flight Crew Type 1265
Deviation - Altitude Overshoot; Deviation / Discrepancy - Procedural Clearance; Inflight Event / Encounter Wake Vortex Encounter
Flight Crew Returned To Clearance
Environment - Non Weather Related; Procedure
Cleared for takeoff 1 minute behind B777-300. Mentioned I was concerned about wake; which we did encounter. Deviated off flight director commands slightly right of track and delayed clean up. Received turn as I was cleaning up aircraft. Became slightly overloaded and overshot 5000 ft. by 300ft. Received automated altitude warning and verbal warning from IRO just as we were cleared to higher altitude.
B787 First Officer reported overshooting charted altitude departing YSSY after encountering wake turbulence from preceding B777-300.