B767-300 and 300 ER
Flight Crew Air Transport Pilot (ATP)
Aircraft Equipment Problem Critical
Flight Crew Returned To Departure Airport; General Declared Emergency
Aircraft
Just before reaching top of climb; we lost Center Hydraulic System Pressure. Declared an emergency and returned to [departure airport] for overweight landing. Landed at 341;500 LBS and sink rate at touchdown was 100 FPM.
B767-300ER Captain reported loss of center hydraulic system near top of climb. Flight declared an emergency and returned to departure airport.