20-AGL-21 - Multiple Ohio Towns - Amend the class D and E2 airspace at FFO and ILN; revoke the E4 airspace at ILN; and amend the E5 airspace at 3I7, MGY, I19, DAY, FFO, I74, and ILN ; establish E5 airspace at SGH due to the decommissioning of the SGH VOR, as part of the VOR MON Program, and the SGH LOC and GS