"Occasionally, a chart may depict an IAF, although there is no initial approach segment for the procedure. This usually occurs at a point located within the en route structure where the intermediate segment begins. In this situation, the IAF signals the beginning of the intermediate segment." (IPH, 4-50, 53)
I can't get my head around this. Why isn't it just marked as an IF rather than an IAF if the intermediate segment begins from that fix? Anyone who understand this, could you please find a chart that examplifies this description?
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