I often depart CHC not long after the EK SYD flight. Often in the lounge when the EK flight is called.

Never seen any special treatment for anyone. Usually there is only 1 security Xray machine in operation. Very occasionally they have 2. All the EK, NZ, CI, QF & JQ passengers line up together. Queue moves fast

After you exit the duty free turn right and walk past the shops to the Manaia lounge door on the right.