C of G envelope - just continue the fore and aft lines up to 6800 and you have the revised envelope. (Make sure you are looking at the CG Envelope Rev 11 which moves the aft limit at 6400kg backwards to 5.504)
Performance at 6,800 Kg - OEI ROC 2.5 minute power
Sea level/40 deg C - 875 ft/min
2000 ft/30 deg C - 800 ft/min
5000 ft/20 deg C - 600 ft/min
8000 ft/10 deg C - 400 ft/min
G.
