When being radar vectored for an ILS approach, at what point may you start a descent from your last assigned altitude to a lower minimum altitude if cleared for the approach?

Which of the following conditions is required before “timed approaches from a holding fix” may be conducted?

(Refer to figure 73.) After passing the OM, Bradley Approach Control advises you that the MM on the ILS RWY 6 approach is inoperative. Under these circumstances, what adjustments, if any, are required to be made to the DH and visibility?

(Refer to figure 126.) What is the ability to identify the RRS 2.5 stepdown fix worth in terms of localizer circle-to-land minimums for a category C aircraft?