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Thread: DH, DA and MDA
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Old 3rd Dec 2009, 11:36
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kenparry
 
Join Date: Feb 2003
Location: Brighton
Posts: 982
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Yes.

Cat III is always on radio altimeter, but remember it can be zero. (IIIB or IIIC)

Cat I ILS and non-precision are on the barometric altimeter.

Not just Boeing, this is industry-wide.
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