Air Berlin receives first 737 with updated engines

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Air Berlin has taken delivery of its first Boeing 737-800 with updated CFM International CFM56-7BE engines.

The aircraft, registered as D-ABKW, has a 2% lower fuel burn than its earlier siblings thanks to changes to the engine core and aerodynamic refinements to the airframe, such as more streamlined anti-collision light and wheel well fairings.

CFM modified airfoils and seals in the engine's high- and low-pressure turbines. Apart from lower fuel consumption, the upgrade should also lead to 4% lower maintenance costs, according to the manufacturer.

Boeing delivered the first 737 with CFM56-7BE engines, which have now become standard for the narrowbody family, to China Southern Airlines last month.

Air Berlin has outstanding orders for eight 737-700s and 47 737-800s, according to Flightglobal's ACAS database.