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Old January 28th 08, 08:31 PM posted to rec.aviation.piloting
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Default i think I flew into class c airspace accidentally withoutestablishing communication

On Jan 28, 2:07*pm, Bertie the Bunyip wrote:
One other simple nav trick is to be aware of how many degrees a
particular point of your airplane is form your eye position.


Another is that the tip of your thumb at arm's length subtends four
degrees. (Both portable and hard to lose.)