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Old November 24th 06, 07:10 AM posted to rec.aviation.piloting,rec.aviation.student
Greg Farris
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Posts: 138
Default Class D / Class C precedence

In article ,
says...


If Class C overlaps Class D (see Portland Troutdale airport), which
airspace takes precedence?

You must, at all costs, avoid the spot where they overlap.
The superimposition of thes two types of air produces standing lenticular
clouds, which can produce very dangerous turbulence.