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Showing results for tags 'md-11 course deviation pmdg'.
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I started noticing a problem with my MD-11's ability to hold the localiser on an ILS approach a few flights ago. Even in relatively calm winds (right crosswind of 4 kts), the plane was unable to hold the localiser better than one to one-and-a-half dots of deviation left of course. I clicked off the autopilot 3 miles out because inside that distance a correction to return to centerline would've required larger and larger bank angles. If I had let the plane autoland (it was available), I would've most likely touched down in the grass. This problem has continued, and I've noticed enroute devations left of course as well. Usually the deviation is about 1nm left of course. If I input an offset parallel course into the FMS of right 1nm, the plane flies almost on the original intended course. If I remove the offset parallel course, the plane returns to it's track about 1nm left of course. I have had other PMDG MD-11 users claim to have similar problems starting about a month ago. I looked through my flights (I fly with a VA that keeps position reports accurate and often enough to show the deviation enroute), and this problem started about a month ago for me as well. I initially suspected the navigraph update was the error, but that doesn't REALLY explain why the plane is showing itself left of course on the map display, and fly well off centerline on ILS's. Also, I am using PMDG's recommendations for weather addons to counter-act the sensitivity of the PMDG products. Has anyone else encountered this problem? Has anyone found a fix? I intend to submit a ticket to PMDG as well.
