FlyerTalk Forums - View Single Post - Discrepancy Between CO Calculation and DL Calculation of Miles Earned
Old Oct 24, 2007 | 9:40 am
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ralfp
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Originally Posted by thit_cho
Delta calculates mileage based on a Mercator projection, whereas Continental relies on a Cassini projection.
Perhaps I'm missing something, but the Mercator projection would give really inaccurate results. Perhaps you mean [Universal] Transverse Mercator?

Maybe they should use the aircraft's odometer reading.
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