PPRuNe Forums - View Single Post - Aircraft intercepted near CNA last night 25/11/2011

26th Nov 2011, 01:50

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5milesbaby

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LSM - think you may be getting confused between quadrantle rule and semicircular there, FL275 is a strange level if the aircraft was civil.

Semicircular rule is odd FL's for eastbound, even one for westbound.

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