Air NZ preparing to ground more planes for maintenance

Air New Zealand's expecting a rough financial ride this year, as it prepares to ground more planes for engine maintenance. It's profit for the half year ended December dipped 18 percent compared with a year ago, a net profit of 106 million dollars. Among its problems; the economic slow down and engine faults that have required unscheduled maintenance. Air New Zealand CEO Greg Foran spoke to Lisa Owen.