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That's the way I understand it - that if it's an ILS, the beacon is not a necessity and the FAF would be the intercept altitude.
Of course - the plane I'll be doing my checkride in DOES have an ADF and I have been drilled - ad nausiam - about turning the thing on and tuning it in.
Good luck, Ed... you ready?
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Like I said in my first post, marker beacons aren't required for ILS or LOC IAPs, they're merely an approach aid. LOCs can use RADAR, or DME, for positioning, or even ADF bearings; of course with having the minimum equipment required.
MD