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Old 13th November 2013 | 18:46
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mustafagander
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: ATPL
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From: OZ
FTS, AFAIK 2D means azimuth guidance only, ie no vertical guidance, only altitude limits and 3D means the lot, vertical guidance along with the azimuth.

Hence and old fashioned NDB approach to Oodnagalarbie, with a listed start altitude and a listed minimum, is 2D but an ILS or Vnav/Rnav to Modernsberg is 3D.
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