(Refer to figure 25) During the ILS RWY 13L procedure at DSM, what altitude minimum applies if the glide slope becomes inoperative?

(Refer to figure 26) The final approach fix for the ILS precision approach is located at

A pilot performing a published instrument approach is not authorized to perform a procedure turn when

After an ATC clearance has been obtained, a pilot may not deviate from that clearance, unless the pilot

(Refer to figure 55) En route on V448 from YKM VORTAC to BTG VORTAC, what minimum navigation equipment is required to identify ANGOO intersection?