Posted Nov 13, 2015, 7:08 PM
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Registered User
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Join Date: Dec 2006
Location: Dynamic city near the Rockies
Posts: 2,298
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I'm not much of an aviation expert and have a question. What is meant by O&D? If Calgary to Beijing is 25,000 O&D, does that mean that 25,000 per year travel between the two cities as the point of departure and the end destination?
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