April 1999 Issue

No-Fly Zones

Large weather systems and local geography can combine to create new hazards

You are flying a well-appointed, 180-hp Cessna 172 and with a friend have just taken off from Aspen, Colo., on a trip back to Wichita. You make a right climbing turn over the hills north of the airport and, at 80 knots, continue climbing to the southeast. The air has a gentle texture, not even light turbulence.

As you gain altitude in the valley of the Roaring Fork River you are below the tops of the mountains. The September gold of the aspens is phenomenal. Thereís a cloudless, blue sky. You are feeling good because you flew in and out of Aspen successfully and didnít foul up in the busy mix of aircraft types and opposite direction traffic on runway 15-33.

Your airplane rises steadil...

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