Southwest Airlines expects significant fuel savings from its $175 million rollout of RNP to its airports starting in 2011. Speaking at ATW's Eco-Aviation Conference in Washington, Senior Director-Flight Operations Jeff Martin said SWA "completed the activation of autothrottle technology in all 340 of our 737-700 aircraft and flew our first RNP demo flight, both significant milestones in implementing our program." The airline also has modified its speed schedule and is flying ...

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