Hi Guys. Our 777-200IGW max structual takeoff mass is 294835kg or 652000 pounds. that is with the GE90-90B, 900000 pounds of takeoff thrust. Came back this morning with max ZFM, min block fuel WMKK-LOWW 100200kg, actual takeoff weight 294630kg. Econ cruise cost index 56 results in .807 at FL280. Managed to get up to 310 with Bombay.