From: email@example.com (Kim Hackett) Organization: Your Organization Date: 27 Jun 96 12:56:58 References: 1 Followups: 1
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>Hi, during a recent ATL-DFW flight, the 727-223 I was riding began a series >of oscillations of increasing size. The first was about 2-3 degrees and the >10th was about 15-20 degrees. I am a bit uncertain of the exact values as >I had no way of precisely measuring the activity. A second set of oscillations >of lesser intensity and duration occurred about 2 minutes later. > Question I have is can anyone give me a good explanation? >I tried to talk to the flight crew but they were gone from the cockpit by >the time I got to the front after arrival. It is always amazing that the flight crew is visible and available following a smooth flight with a good landing. When the flight was bumpy or the landing was not the best, they are always in the cockpit with the door closed on deplaning. If I had to guess it would be that the yaw damper was inoperative and they were manually controlling the dutch roll mode.