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S Narayan wrote:

I am not so sure. See LVK ILS 25R (California), why is ADF required
here?
Almost exclusively, TRACY is used as the IAF for this approach. Maybe if
an
NDB is designated as an IAF, then ADF is required whether or not other
IAFs
exist.

The missed approach goes to the LOM. Whenever they do that, ADF is always
required.


Makes perfect sense. Thanks.