Alaska Airlines orders scimitar winglets for Boeing 737s

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Alaska Airlines is now the fifth carrier to order a split-tip scimitar winglet to retrofit on the Boeing 737NG.

The deal with Aviation Partners Boeing calls for installing the fuel-reducing devices on 111 aircraft in the Alaska Airlines fleet.

The contract covers all of the carrier’s 737-900ERs and most 737-800s and 737-900s, Alaska Airlines says.

Aviation Partners Boeing will begin the installations for Alaska Airlines early next year and complete the work in 2017.

The winglet should save $20 million a year by reducing fuel consumption by 220,000l (58,000gal) per aircraft, Alaska Airlines says.

United, UPS, TUI Travel and Copa Airlines also have ordered the split-tip scimitar winglet for 737NGs.

The new configuration adds strengthened spars, scimitar-shaped caps and a large ventral strake to the original blended winglets.

The design is expected to improve the aerodynamic efficiency in the outboard section of the wing.