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The VOR/DME Runway 12 approach in effect at IAD at the time, which was
used by TWA 514, was defective in that the profile began at the FAF, even
though the intermediate segment was in the plan view. That did not meet
charting specs in effect at the time.


That may be, but the transcript shows the pilot was aware of the higher
altitude that applied to Round Hill and descended below it anyway.