Originally Posted by
mistarose
I think that if it says ILS or LOC, you may fly either approach; however, if it just says ILS, you may not fly a localizer approach unless the ILS is OTS. On an ILS approach, if the glideslope fails - you should probably go missed.
That is entirely incorrect.
Although I do not know the answer to the original question. I'll research it. If I don't find an answer easily enough and no one else has the answer I'll email the AF Advanced Instrument School and get an answer.