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19th May 2017, 23:05

#13 (permalink)

barit1

Join Date: Feb 2005

Location: flyover country USA

Age: 82

Posts: 4,579

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I won't quarrel about takeoff fuel savings, but that's not the only piece of the cost pie. If there's a fuel burn deterioration guarantee from the OEM, derate (or ATM) is taken into account in any settlement of cruise fuel burn payout.

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