Air New Zealand is achieving an approximate 1.6% better fuel burn from its blended winglet program on its 767-300ERs than guaranteed, according to GM-Operations and Chief Pilot Dave Morgan. In a briefing in Auckland, Morgan told Eco-Aviation Today that Aviation Partners Boeing had guaranteed a 3.8% improvement and that ANZ expected to get 4.5% but is actually achieving 5.3%. "The 3.4-m.-high kinked tips will save us 1.3 million liters of fuel on each 767 and 16,000 tonnes of CO2 ...

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