Air New Zealand has said that its new blended
winglets, which are being fitted to its fleet of Boeing 767-300ER
aircraft, are delivering 19% higher fuel savings than forecast.
The airline's original expectations were that
more than six million litres of fuel would be saved annually with
the installation of new performance-enhancing blended winglets on
its fleet of five Boeing 767 aircraft.
However, with four
aircraft now fitted with the winglets, the airline is reporting fuel savings are 19% higher
than predicted, with the fleet now expected to reduce fuel usage
by more than seven million litres and 18,400 tonnes of carbon
The blended winglets, which have been
developed by Aviation Partners Boeing, are 3.4 metre high wing-tip
devices. They make the aircraft's wing more efficient by reducing
drag, increasing lift and significantly improving fuel use and
In addition to significant fuel savings
and reduction in carbon emissions, the blended winglets provide
additional commercial benefits for aircraft operating services on
longer sectors, including enabling the aircraft to climb faster
and improving payload performance.
The final aircraft is
now being refitted and will be back in service in early November.
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